An assembled double self-resetting-friction energy dissipation steel frame system

Abstract

The application relates to an assembled double self-resetting-friction energy dissipation steel frame system, which comprises a steel column, a steel beam, a first connecting device, a support type self-resetting-friction energy dissipation system and a shearing type self-resetting-friction energy dissipation system. The first connecting device is located at the joint of the steel column and the steel beam. The support type self-resetting-friction energy dissipation system comprises an internal system, the internal system comprises a self-resetting system and an energy dissipation system, and the support type self-resetting-friction energy dissipation system is oppositely arranged at the joint of the steel column and the steel beam through the first connecting device. The shearing type self-resetting-friction energy dissipation system comprises a damping system and a self-resetting connecting piece. The shearing type self-resetting-friction energy dissipation system is arranged in the steel column and connected with the upper steel column and the lower steel column through the self-resetting connecting piece. The device adopts two self-resetting and energy dissipation devices, provides double protection for the structure under the action of an earthquake, and provides double reset force and friction energy dissipation capacity for the structure.

Description

Technical Field

[0001] The present invention relates to the field of civil engineering earthquake resistance technology and can be applied to modular assembled steel structures, in particular to an assembled double self-resetting-friction energy-absorbing steel frame system. Background Art

[0002] Traditional steel frame structures typically utilize rigid connections at beam-column joints. This connection provides the structure with high lateral stiffness and dissipates seismic energy through plastic deformation at the beam ends during earthquakes, resulting in excellent seismic performance. However, actual earthquake damage investigations have revealed that traditional rigid joints can suffer severe damage and significant residual deformation after earthquakes. This significantly increases the cost and time required to repair the structure, with repair costs sometimes exceeding reconstruction costs.

[0003] The prefabricated self-resetting energy-absorbing steel frame structure is an improvement to the above-mentioned problem. By introducing additional self-resetting components into the steel frame, residual deformation of the structure after an earthquake is eliminated. The additional energy-absorbing components dissipate the earthquake energy and protect the main components of the structure from damage. However, the existing self-resetting energy-absorbing steel frame structure still has some problems:

[0004] (1) Usually, the outer beam-column joints in the overall frame adopt self-resetting beam-column joints, and the internal beam-column joints adopt hinged form, so that the overall frame has the best reset effect, but the overall frame stiffness is relatively small and it is difficult to meet the seismic requirements.

[0005] (2) When the self-resetting energy-absorbing support is applied to the frame structure, the frame beam-column nodes connected to the support usually adopt a hinged structure. If the frame beam-column nodes without support are also hinged, the overall structural stiffness will be too small. If the frame beam-column nodes without support are rigidly connected, the internal frame will be unable to reset.

[0006] To solve the above problems, this paper proposes an assembled double self-reset-friction energy dissipation steel frame system. Summary of the Invention

[0007] The present application provides an assembled double self-resetting-friction energy-dissipating steel frame system to solve the problem of mutual restriction between the resetting effect and the rigidity of the existing self-resetting energy-dissipating steel frame structure.

[0008] In order to solve the above technical problems, the present application provides an assembled double self-resetting-friction energy dissipation steel frame system, comprising: steel columns, steel beams, a first connecting device, a supporting self-resetting friction energy dissipation system, and a shearing self-resetting friction energy dissipation system;

[0009] The first connecting device is located at the node where the steel column and the steel beam are connected;

[0010] The support type self-resetting friction energy dissipation system is diagonally connected at the joint of the steel column and the steel beam through the first connecting device.

[0011] The steel column connected with the support type self-resetting friction energy dissipation system is connected with the steel beam through a hinged mode.

[0012] The shear type self-resetting friction energy dissipation system comprises the damping system and the self-resetting connecting piece; the shear type self-resetting friction energy dissipation system is arranged in the steel column and connected with the upper steel column and the lower steel column through the self-resetting connecting piece.

[0013] The steel column provided with the shear type self-resetting friction energy dissipation system is connected with the steel beam through a rigid mode.

[0014] Further, the rigid mode is welding.

[0015] Further, the rigid joint of the steel column provided with the shear type self-resetting friction energy dissipation system and the steel beam is further provided with a haunch plate and a stiffener.

[0016] Further, the hinged mode is connected through an angle steel and a bolt, one side of the angle steel is fixed on the steel column, and the other side of the angle steel is fixed on the beam column through the bolt.

[0017] Further, the first connecting device comprises a second ear plate, and the support type self-resetting friction energy dissipation system is diagonally connected at the joint of the steel column and the steel beam through the second ear plate.

[0018] Further, the support type self-resetting friction energy dissipation system comprises an internal system, the internal system comprises a self-resetting system and an energy dissipation system, the energy dissipation system is used for energy dissipation when the self-resetting system is displaced, and the self-resetting system is used for providing a resetting force when the support type self-resetting friction energy dissipation system is displaced. The support type self-resetting friction energy dissipation system can not only provide self-resetting and energy dissipation functions, but also can play a supporting role.

[0019] Still further, the support type self-resetting friction energy dissipation system comprises:

[0020] a sleeve pipe, a space for accommodating the internal system is arranged in the sleeve pipe;

[0021] the internal system comprises a self-resetting system and an energy dissipation system, the energy dissipation system is used for energy dissipation when the self-resetting system is displaced;

[0022] the self-resetting system comprises:

[0023] a disc spring assembly, the disc spring assembly is sleeved on the connecting rod;

[0024] a disc spring baffle, which is sleeved on the connecting rod and is used to limit the disc spring assembly;

[0025] a limit stopper, the limit stopper being sleeved on the connecting rod and located outside the disc spring baffle;

[0026] A steel cable assembly, arranged along the length of the connecting rod, passing through the disc spring baffle and the limit block, with one end fixedly connected to the outer sleeve and the other end connected to the steel cable anchor plate, which is fixedly connected to the connecting rod;

[0027] The connecting rod and the outer sleeve are respectively connected to the structure, and the prestress of the disc spring assembly is adjusted by adjusting the distance between the disc spring baffle and the limit block, so that the prestress of the steel cable assembly is zero in the initial state. When the connecting rod moves driven by the structure, the reset force provided by the disc spring assembly and the tension provided by the steel cable assembly jointly resist the relative movement of the connecting rod and the outer sleeve, and the energy is consumed by the energy consumption system when the connecting rod moves relative to the outer sleeve.

[0028] Furthermore, the steel cable assembly is provided with two groups, namely a first steel cable device and a second steel cable device, one end of the first steel cable device is connected to the outer sleeve at the right end of the disc spring assembly, and the other end is connected to the connecting rod at the left end of the disc spring assembly; one end of the second steel cable device is connected to the outer sleeve at the left end of the disc spring assembly, and the other end is connected to the connecting rod at the right end of the disc spring assembly.

[0029] Furthermore, two disc spring baffles are provided, namely a first baffle and a second baffle, and the first baffle and the second baffle are respectively provided on opposite sides of the movement direction of the disc spring assembly.

[0030] Furthermore, two limit blocks are provided, namely a first block and a second block. The first block is provided on a side of the first baffle away from the second baffle, and the second block is provided on a side of the second baffle away from the first baffle. The first block and the second baffle are detachably connected to the connecting rod or fixed by welding.

[0031] Furthermore, the self-resetting system also includes a limit baffle, which is fixedly connected to the outer sleeve and is used to fix the fixed end of the steel cable assembly.

[0032] Furthermore, the limit baffles are provided in two groups, namely the third baffle and the fourth baffle. The third baffle and the fourth baffle are provided at the left and right opposite ends of the disc spring assembly, and are respectively used for relative fixation of the second steel cable device, the first steel cable device and the outer sleeve.

[0033] Furthermore, one end of the steel cable assembly is fixed to the limit baffle through a steel cable fixer, and the other end is fixed to the steel cable anchor plate through another set of steel cable fixers.

[0034] Furthermore, the energy dissipation system includes a friction plate, a friction plate and a first bracket, the first bracket is connected to the connecting rod or the steel cable anchor plate as a whole, the first bracket and the friction plate are detachably connected by connecting rivets, and the friction plate is fixed on the outer sleeve to form a friction energy dissipation system with the friction plate.

[0035] Furthermore, a second long slot hole is provided on the first bracket, a first long slot hole is provided on the friction plate, a circular hole is opened on the friction plate, and the connecting rivet passes through the friction plate from the outside of the outer sleeve to fix the friction plate to the first bracket.

[0036] Furthermore, an ear plate is provided at one end of the outer sleeve, one end of the connecting rod extends out of the outer sleeve, and a third connecting plate is provided on the end extending out of the outer sleeve, and another ear plate is provided on the third connecting plate; and the connection is made to the first connecting device through the ear plate.

[0037] Furthermore, the shear-type self-resetting friction energy dissipation system includes a damping system and a self-resetting connector. The damping system is used to dissipate energy when the shear-type self-resetting friction energy dissipation system undergoes horizontal displacement, and the self-resetting connector is used to provide a reset force when the shear-type self-resetting friction energy dissipation system undergoes horizontal displacement.

[0038] Furthermore, the damping system includes a T-shaped steel plate, an L-shaped steel plate and fasteners, the flange of the T-shaped steel plate is provided with a circular hole, the web of the T-shaped steel plate is provided with a horizontal long slot circular hole, the web of the L-shaped steel plate and the flange of the L-shaped steel plate are respectively provided with a circular hole, and the web of the T-shaped steel plate and the web of the L-shaped steel plate are connected by fasteners;

[0039] The self-resetting connector is located between the upper steel column and the lower steel column. The end of the self-resetting connector is provided with a thread, and the steel column and the damping system are fastened together by a matching first fastening nut, a second fastening nut, a third fastening nut and a fourth fastening nut.

[0040] Furthermore, two L-shaped steel plates are provided, which are respectively located on both sides of the web of the T-shaped steel plate, and the diameters of the circular holes in the web of the L-shaped steel plate are respectively equal to the short diameters of the long slot circular holes in the web of the T-shaped steel plate.

[0041] Furthermore, a brass plate is arranged between the T-shaped steel plate web and the L-shaped steel plate web, and a circular hole is provided on the brass plate, and the aperture of the circular hole is equal to the aperture of the circular hole of the L-shaped steel plate web and the short diameter of the long slot circular hole of the T-shaped steel plate web.

[0042] Furthermore, the thickness of the brass plate is smaller than the thickness of the web of the L-shaped steel plate, and the brass plate is subjected to a rough surface treatment.

[0043] Furthermore, the connection surfaces of the T-shaped steel plate, the L-shaped steel plate and the end plate are roughened.

[0044] Furthermore, the fasteners are bolts or rivets.

[0045] Furthermore, the self-resetting connector is made of shape memory alloy.

[0046] Furthermore, the lower end of the upper steel column and the upper end of the lower steel column are respectively provided with end plates, and the end plates are provided with circular holes.

[0047] Furthermore, the horizontal end plate circular holes of the upper steel column and the circular holes of the T-shaped steel plate flange are aligned, and pass through the self-resetting connector and are fixed by the first fastening nut and the second fastening nut; the horizontal end plate circular holes of the lower steel column and the circular holes of the L-shaped steel plate flange are aligned, and pass through the self-resetting connector and are fixed by the third fastening nut and the fourth fastening nut.

[0048] Compared with the prior art, the system of the present invention has the following advantages:

[0049] 1) The device uses two self-resetting friction energy dissipation devices to provide the structure with dual reset force and friction energy dissipation, providing double protection for the structure when subjected to earthquakes.

[0050] 2) This frame system still uses a hinged connection method at the nodes between the steel columns and steel beams on both sides, but a rigid connection method is used at the nodes between the steel beam and the middle steel column. While ensuring double reset and friction energy dissipation, it effectively improves the overall stiffness of the self-resetting frame.

[0051] 3) The overall structure of the frame has the advantages of low processing precision requirements, convenient pre-pressure application, large deformation capacity and high bearing capacity. BRIEF DESCRIPTION OF THE DRAWINGS

[0052] Figure 1 This is a plan view of the framework system of the present invention;

[0053] Figure 2 for Figure 1 Front view of the middle A-axis frame;

[0054] Figure 3 (a) Figure 2 The schematic diagram of the steel beam-steel column connection node marked by the dotted circle A, Figure 3 (b) Figure 2 Schematic diagram of the steel beam-steel column connection node marked by the dotted circle B;

[0055] Figure 4for Figure 1 Schematic diagram of the working principle of the middle A-axis frame in tension state;

[0056] Figure 5 This is a schematic diagram of the overall structure of the supported self-resetting friction energy dissipation system according to an embodiment of the present invention;

[0057] Figure 6 This is a schematic diagram of the overall structure of the internal system assembly in the supported self-resetting friction energy dissipation system according to an embodiment of the present invention;

[0058] Figure 7 This is a schematic diagram of the overall assembly structure of the self-resetting system in the supported self-resetting friction energy dissipation system according to an embodiment of the present invention;

[0059] Figure 8 for Figure 7 Schematic diagram of the right side structure of the middle disc spring baffle;

[0060] Figure 9 for Figure 7 Schematic diagram of the right side structure of the middle limit baffle;

[0061] Figure 10 This is a schematic diagram of the overall assembly structure of the friction energy dissipation system in the supported self-resetting friction energy dissipation system according to an embodiment of the present invention;

[0062] Figure 11 for Figure 10 Schematic diagram of the top view of the middle friction plate;

[0063] Figure 12 for Figure 10 A schematic diagram of the top view of the first bracket;

[0064] Figure 13 It is a side view schematic diagram of the overall assembly structure of the friction energy dissipation system in the supported self-resetting friction energy dissipation system according to an embodiment of the present invention;

[0065] Figure 14 This is a structural diagram of the disc spring assembly and the friction energy dissipation system assembly in the supported self-resetting friction energy dissipation system according to an embodiment of the present invention;

[0066] Figure 15 This is a structural diagram of the disc spring assembly and the friction energy dissipation system in the supported self-resetting friction energy dissipation system according to an embodiment of the present invention, after being assembled and mounted to the outer sleeve;

[0067] Figure 16 This is a structural diagram of an assembled steel cable assembly in the supported self-resetting friction energy dissipation system according to an embodiment of the present invention;

[0068] Figure 17 This is a schematic side view of the assembled support type self-resetting friction energy dissipation system according to an embodiment of the present invention;

[0069] Figure 18 This is a schematic diagram of the working principle of the supported self-resetting friction energy dissipation system in a tension state according to an embodiment of the present invention;

[0070] Figure 19 This is a schematic diagram of the working principle of the supported self-resetting friction energy dissipation system in a compressed state according to an embodiment of the present invention;

[0071] Figure 20 This is a schematic diagram of the overall structure of the shear-type self-resetting friction energy dissipation system according to an embodiment of the present invention;

[0072] Figure 21 This is a schematic diagram of the installation of the damping system according to an embodiment of the present invention;

[0073] Figure 22 This is a schematic diagram of the installation of a self-resetting connector according to an embodiment of the present invention;

[0074] Figure 23 This is a schematic diagram of the installation of a brass plate according to an embodiment of the present invention;

[0075] Figure 24 This is a schematic diagram of a T-shaped steel plate according to an embodiment of the present invention;

[0076] Figure 25 Schematic diagram of an L-shaped steel plate according to an embodiment of the present invention;

[0077] Figure 26 It is a schematic diagram of the working principle of the shear type self-resetting friction energy dissipation system in a tension state according to an embodiment of the present invention.

[0078] Description of reference numerals:

[0079] 100-steel column; 400-steel beam; 500-support type self-resetting friction energy dissipation system; 600-shear type self-resetting friction energy dissipation system; 700-first connecting device; 001-stiffening plate; 002-axillary plate; 003-angle steel;

[0080] 1-outer sleeve; 101-first connecting plate; 102-second connecting plate; 2-connecting rod; 3-internal system; 31-self-resetting system; 311-disc spring assembly; 312-steel cable assembly; 3121-first steel cable assembly; 3122-second steel cable assembly; 313-disc spring baffle; 3131-first baffle; 3132-second baffle; 314-limiting baffle; 3141-third baffle; 3142-fourth baffle; 3143-stiffening rib; 315-limiting block; 3151-first block; 3152 -Second stopper; 316 - Cable anchor plate; 3161 -First anchor plate; 3162 -Second anchor plate; 3163 -Third anchor plate; 317 - Cable fixer; 3171 -First fixer; 3172 -Second fixer; 3173 -Third fixer; 3174 -Fourth fixer; 32 -Energy dissipation system; 321 -Friction plate; 322 -Friction plate; 3221 -First slotted hole; 323 -Connecting rivet; 324 -First bracket; 3241 -Second slotted hole; 4 -Ear plate; 5 -Third connecting plate;

[0081] 110-end plate; 200-damping system; 210-T-shaped steel plate; 211-T-shaped steel plate flange; 212-T-shaped steel plate web; 220-L-shaped steel plate; 221-L-shaped steel plate flange; 222-L-shaped steel plate web; 230-fastener; 240-brass plate; 300-self-resetting connector; 310-first fastening nut; 320-second fastening nut; 330-third fastening nut; 340-fourth fastening nut. DETAILED DESCRIPTION

[0082] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention but are not intended to limit the scope of the present invention.

[0083] In the description of this application, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application.

[0084] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. Throughout this application, unless otherwise specified, "plurality" means two or more.

[0085] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0086] Figure 1 A plan of the framework system of the present application (for example, 3x5 spans) is provided, region 1 is provided with a support type self-resetting friction energy dissipation system 500, region 2 is provided with a shear type self-resetting friction energy dissipation system 600, and an A-axis frame provided with the self-resetting friction energy dissipation system 500 and the shear type self-resetting friction energy dissipation system 600 is selected for illustration.

[0087] As shown in Figure 2 A fabricated double self-resetting-friction energy dissipation steel frame system, comprising: a steel column 100, a steel beam 400, a first connecting device 700, a support type self-resetting friction energy dissipation system 500, a shear type self-resetting friction energy dissipation system 600;

[0088] The first connecting device 700 is located at the node where the steel column 100 and the steel beam 400 are connected;

[0089] The support type self-resetting friction energy dissipation system 500 is connected diagonally at the node of the steel column 100 and the steel beam 400 through the first connecting device 700;

[0090] The steel column 100 connected with the support type self-resetting friction energy dissipation system and the steel beam 400 are connected by hinged connection;

[0091] The shear type self-resetting friction energy dissipation system 600 comprises the damping system 200 and the self-resetting connecting piece 300; the shear type self-resetting friction energy dissipation system 600 is arranged in the steel column 100 and connected with the upper steel column and the lower steel column through the self-resetting connecting piece 300;

[0092] The steel column 100 provided with the shear type self-resetting friction energy dissipation system and the steel beam 400 are connected by rigid connection.

[0093] Further, the support type self-resetting friction energy dissipation system 500 comprises an internal system, the internal system comprises a self-resetting system 31 and an energy dissipation system 32, the energy dissipation system 32 is used for energy dissipation when the self-resetting system 31 is displaced, and the self-resetting system 31 is used for providing a resetting force when the support type self-resetting friction energy dissipation system 500 is displaced.

[0094] Further, the first connecting device 700 comprises a second ear plate, which is connected with the support type self-resetting friction energy dissipation system 500.

[0095] Further, the rigid connection mode is welding.

[0096] Further, as shown in Figure 3 (b), the rigid connection between the steel column 100 provided with the shear type self-resetting friction energy dissipation system and the steel beam 400 is further provided with a haunch plate 002 and a stiffener plate 001. The rigidity of the joint is further increased by the provision of the haunch plate 002 and the stiffener plate 001.

[0097] Further, as shown in Figure 3 (a), the hinged connection mode is achieved by an angle steel 003 and bolts, one side of the angle steel 003 is fixed on the steel column 100, and the other side of the angle steel 003 is fixed on the steel beam 400 by bolts. The flexible rotation ability between the beam and the column is achieved by the hinged connection mode.

[0098] As shown in Figure 4 for the A-axis frame, the steel column and the steel beam connected with the support type self-resetting friction energy dissipation system are connected by the hinged connection mode. When the overall frame is subjected to the action of earthquake, the support type self-resetting friction energy dissipation system provided on the left side is subjected to tension, and the support type self-resetting friction energy dissipation system provided on the right side is subjected to compression. At this time, the self-resetting system and the energy dissipation system of the support type self-resetting friction energy dissipation system work simultaneously to provide the resetting force resisting deformation and dissipate the seismic energy.

[0099] As shown in Figure 4 for the A-axis frame, in order to ensure the rigidity of the overall frame, the steel column and the steel beam provided with the shear type self-resetting friction energy dissipation system are connected by the rigid connection mode. Under the action of earthquake, the upper steel column and the lower steel column of the shear type self-resetting friction energy dissipation system are subjected to relative deformation. At this time, the damping system dissipates energy by friction, and the self-resetting connector provides the resetting force resisting such deformation to realize the self-resetting of the structure.

[0100] In summary, the restoring force of the frame system is provided by the self-restoring system of the support-type self-restoring friction energy dissipation system and the self-restoring connector of the shear-type self-restoring friction energy dissipation system. This allows the entire frame to generate a greater restoring force when subjected to an earthquake, effectively eliminating the residual effects of the earthquake and better achieving the self-restoration of the entire frame. The seismic energy dissipation of the frame system is provided by the energy dissipation system of the support-type self-restoring friction energy dissipation system and the damping system of the shear-type self-restoring friction energy dissipation system. This allows the entire frame to dissipate more energy when subjected to an earthquake, effectively protecting other components of the structure and achieving low damage to the entire structure. Thus, the support-type self-restoring friction energy dissipation system and the shear-type self-restoring friction energy dissipation system achieve good self-restoring and energy dissipation capabilities for the entire structure.

[0101] like Figures 5 to 19 As shown, the present application discloses a support type self-resetting friction energy dissipation system, comprising:

[0102] An outer sleeve 1, inside which a space is provided for accommodating an internal system 3;

[0103] The internal system 3 includes a self-resetting system 31 and an energy consumption system 32, wherein the energy consumption system 32 is used to consume energy when the self-resetting system 31 is displaced;

[0104] The self-resetting system 31 includes:

[0105] The disc spring assembly 311 is sleeved on the connecting rod 2;

[0106] a disc spring baffle 313, which is sleeved on the connecting rod 2 and is used to limit the disc spring assembly 311;

[0107] a limit stopper 315, which is sleeved on the connecting rod 2 and located outside the disc spring baffle 313;

[0108] A steel cable assembly 312 is arranged along the length of the connecting rod 2, passes through a disc spring baffle 313 and a limit stop 315, has one end fixedly connected to the outer sleeve 1, and the other end is connected to a steel cable anchor plate 316, which is fixedly connected to the connecting rod 2;

[0109] The connecting rod 2 and the outer sleeve 1 are respectively connected to the structure, and the prestress of the disc spring assembly 311 is adjusted by adjusting the distance between the disc spring baffle 313 and the limit block 315, so that the prestress of the steel cable assembly 312 is zero in the initial state. When the connecting rod 2 or the outer sleeve 1 moves relative to each other under the drive of the structure, the reset force provided by the disc spring assembly 311 and the tension provided by the steel cable assembly 312 jointly resist the relative movement of the connecting rod 2 and the outer sleeve 1, and when the connecting rod 2 moves relative to the outer sleeve 1, energy is consumed through the energy consumption system 32.

[0110] The supported self-resetting friction energy dissipation system disclosed in the present application is a new supported self-resetting friction energy dissipation system formed by combining a disc spring assembly 311 with a steel cable assembly 312. The disc spring assembly 311 and the steel cable assembly 312 work together, combined with the energy dissipation mechanism of the energy dissipation system, to achieve the functions of self-resetting and energy dissipation. When the existing disc spring assembly 311 is used as a self-resetting component, because the disc spring itself has a large stiffness but a small deformation, if a large deformation is to be achieved, it is necessary to combine multiple disc springs by matching or overlapping. However, after the multiple disc springs are combined together, the stiffness will be reduced. Therefore, it is difficult for the disc spring to meet the requirements of stiffness and deformation at the same time. The steel cable has a relatively large deformation and stiffness, but it is difficult to apply pre-tightening force to the steel cable structure, and it requires a complex device to apply pre-tightening force to it, which is very impractical in high-rise building applications.

[0111] The applicant innovatively combines the disc spring assembly 311 with the steel cable assembly 312, and the reset system is actually composed of two parts, one is the disc spring assembly 311, and the other is the steel cable assembly 312. The disc spring assembly 311, as a part of the self-resetting system, is sleeved on the connecting rod 2 and is limited by the disc spring baffle 313 and the limiting block 315. In the initial state, by adjusting the distance between the disc spring baffle 313 and the limiting block 315, a certain pre-stress can be applied to the disc spring assembly 311. When the connecting rod 2 or the outer sleeve 1 is subjected to the action of the structure and moves relatively, the disc spring assembly 311 will provide a reset force to try to restore the connecting rod 2 and the outer sleeve 1 to the initial position. In order to achieve greater deformation capacity, multiple disc springs are combined together in the application, but this will reduce the overall stiffness of the disc spring assembly 311. In order to make up for this deficiency, the steel cable assembly 312 is introduced. The steel cable assembly 312 is arranged along the length direction of the connecting rod 2, one end is fixedly connected with the outer sleeve 1, and the other end is fixedly connected with the connecting rod 2 through the steel cable anchoring plate 316. In the initial state, by adjusting the pre-tightening force of the disc spring assembly 311, the pre-stress of the steel cable assembly 312 can be zero. When the connecting rod 2 or the outer sleeve 1 is subjected to the action of the structure and moves relatively, the steel cable assembly 312 will be subjected to tensile action. Since the steel cable assembly 312 has large stiffness, it can provide additional tension to resist the relative movement of the connecting rod 2 and the outer sleeve 1. In this way, the disc spring assembly 311 and the steel cable assembly 312 jointly constitute the self-resetting system, which realizes large deformation capacity and maintains high stiffness. At the same time, the energy dissipation system 32 also plays an important role in the whole process. When the connecting rod 2 moves relative to the outer sleeve 1, the energy dissipation system 32 will dissipate energy through friction, damping or other mechanisms, thereby reducing the impact of vibration or impact, helping to protect the structure from damage, and improving the stability and safety of the overall structure.

[0112] The supported self-resetting friction energy dissipation system disclosed in the present application drives the disc spring baffle 313 to move to one side by adjusting the position of the limit block 315 on the connecting rod 2 with a wrench, thereby causing the disc spring assembly 311 to deform and generate a certain preload force. By combining multiple disc springs together, the deformation capacity is satisfied, and the factor of reduced stiffness after the combination of multiple disc springs is compensated by the steel cable assembly 312. Since the stiffness of the steel cable assembly 312 is relatively large, by adjusting the preload force of the disc spring assembly 311, the steel cable assembly 312 is preloaded in the initial state. The stress is zero. When the connecting rod 2 or the outer sleeve 1 is subjected to relative movement by the structure, the steel cable assembly 312 is subjected to tension. Since the steel cable assembly 312 has great rigidity, the support-type self-resetting friction energy dissipation system described in the present application also has great anti-deformation ability, which compensates for the problem of low rigidity of the disc spring assembly 311 after large deformation. Moreover, through the above-mentioned arrangement, the steel cable assembly 312 does not need to be tensioned and prestressed. The installation is relatively simple and convenient. It can be installed directly without applying pre-tightening force. The overall rigidity is relatively large and the anti-deformation ability is strong.

[0113] The supported self-resetting friction energy dissipation system disclosed in the present application combines the disc spring assembly 311 with the steel cable assembly 312 to have a large deformation capacity while maintaining a high rigidity. The installation process is simple and convenient. The prestress of the steel cable assembly 312 in the initial state is zero, so there is no need for complicated tensioning operations to apply pre-tightening force, which greatly reduces the installation difficulty and cost and improves construction efficiency. Combined with the characteristics of large overall rigidity and strong anti-deformation ability, the device has broad application prospects in structures such as high-rise buildings.

[0114] As a preferred example of the present application, the steel cable assembly 312 is provided with two groups, namely a first steel cable device 3121 and a second steel cable device 3122. One end of the first steel cable device 3121 is connected to the outer sleeve 1 at the right end of the disc spring assembly 311, and the other end is connected to the connecting rod 2 at the left end of the disc spring assembly 311; one end of the second steel cable device 3122 is connected to the outer sleeve 1 at the left end of the disc spring assembly 311, and the other end is connected to the connecting rod 2 at the right end of the disc spring assembly 311. The present application sets up two groups of steel cable assemblies 312. When one group of steel cable assemblies 312 is deformed by tension, the other group of steel cable assemblies 312 is in a relaxed state, so that when the disc spring assembly 311 is compressed or stretched, there is always one group of steel cable assemblies 312 that is deformed by tension, so that when the outer sleeve 1 and / or the connecting rod 2 move relative to each other under the drive of the structure, there is always one group of steel cable assemblies 312 used in conjunction with the disc spring assembly 311, providing a greater reset force for the supported self-resetting friction energy dissipation system.

[0115] By setting up two groups of steel cable assemblies 312, the supported self-resetting friction energy dissipation system of the present application realizes that under different movement states of the structure, there is always a group of steel cable assemblies 312 used in conjunction with the disc spring assembly 311, providing a continuous and stable reset force for the structure, so that the structure can return to its original position more quickly and accurately after being subjected to external force.

[0116] As a preferred embodiment of the present application, two disc spring baffles 313 are provided: a first baffle 3131 and a second baffle 3132. The first baffle 3131 and the second baffle 3132 are respectively arranged on opposite sides of the disc spring assembly 311 in its direction of motion. By providing the first baffle 3131 and the second baffle 3132 at opposite ends of the disc spring assembly 311, these two baffles not only facilitate the integrated assembly of multiple disc springs, ensuring the structural stability and integrity of the disc spring assembly 311, improving the overall assembly efficiency and convenience of the disc spring assembly 311, and simplifying the installation process, but also guide the disc spring assembly 311 to reliably deform during the pre-compression process, ensuring that the disc spring assembly 311 can evenly withstand external forces during operation and avoiding local overload and damage. Furthermore, this design enables the disc spring assembly 311 to deform as a whole when under compression or tension, improving its energy absorption and buffering capabilities, optimizing the operating performance of the disc spring assembly 311, extending its service life, and enhancing the reliability and safety of the entire system.

[0117] As a preferred example of the present application, two limit blocks 315 are provided, namely a first block 3151 and a second block 3152. The first block 3151 is provided on the side of the first baffle 3131 away from the second baffle 3132, and the second block 3152 is provided on the side of the second baffle 3132 away from the first baffle 3131. The first block 3151 and the second baffle 3132 are detachably connected to the connecting rod 2 or welded and fixed. On the one hand, this design allows the disc spring assembly 311 to be deformed by applying a preload force in the initial state, so that the preload force of the steel cable assembly 312 is zero when it is initially installed, which simplifies the installation and maintenance process of the system, reduces costs, and enhances the practicality and economy of the system; on the other hand, when the structure undergoes relative movement, the first stop 3151 and the second stop 3152 will limit the movement range of the disc spring assembly 311, and the steel cable assembly 312 can freely extend or shorten, cooperating with the disc spring assembly 311 to provide the required reset force, thereby ensuring the stability and safety of the entire structure, optimizing the working performance of the disc spring assembly 311 and the steel cable assembly 312, and improving the performance and reliability of the entire system.

[0118] As a preferred example of the present application, the self-resetting system 31 further includes a limit baffle 314, which is fixedly connected to the outer sleeve 1 and is used to fix the fixed end of the steel cable assembly 312. As an example of the present application, the limit baffle 314 is provided in two groups, namely a third baffle 3141 and a fourth baffle 3142. The third baffle 3141 and the fourth baffle 3142 are provided at the left and right opposite ends of the disc spring assembly 311, respectively used to relatively fix the second steel cable device 3122 and the first steel cable device 3121 to the outer sleeve 1. In the example of the present application, one side of the position-limiting baffle 314 is in contact with the disc spring baffle 313 for position limiting, and a stiffening rib 3143 is provided on the other side corresponding to the contacting side. That is, in the example of the present application, a stiffening rib 3143 is provided on the side of the third baffle 3141 away from the first baffle 3131, and a stiffening rib 3143 is provided on the side of the fourth baffle 3142 away from the second baffle 3132. The third baffle 3141 and the fourth baffle 3142 are detachably connected or welded to the first connecting plate 101 and the second connecting plate 102 of the outer sleeve 1. Avoidance holes or avoidance grooves for accommodating the connecting rod 2 and the position-limiting block 315 are provided near the middle of the third baffle 3141 and the fourth baffle 3142. Preferably, a plurality of stiffening ribs 3143 are provided, and the plurality of stiffening ribs 3143 are designed in a cross shape on the position-limiting baffle 314.

[0119] This setting discloses a method in which one end of a steel cable assembly 312 is relatively fixedly connected to the outer sleeve 1, so that the system can effectively absorb and release energy, thereby maintaining the stability of the structure when subjected to external impact. At the same time, it improves the convenience of installation and the reliability of use of the supported self-resetting friction energy dissipation system described in this application. The stiffening rib 3143 design of the limit baffle 314 enhances the rigidity and load-bearing capacity of the structure, making the system more stable and reliable.

[0120] As a preferred example of the present application, one end of the steel cable assembly 312 is fixed to the limit baffle 314 through a steel cable fastener 317 , and the other end is fixed to the steel cable anchor plate 316 through another set of steel cable fasteners 317 . As a specific example of the present application, the steel cable anchor plate 316 includes a first anchor plate 3161 and a second anchor plate 3162. The first anchor plate 3161 and the second anchor plate 3162 are welded to the connecting rod 2 and are located on opposite sides of the disc spring assembly 311. The left end of the first steel cable device 3121 passes through the first anchor plate 3161 and is locked and fixed by the first fixer 3171. The right end of the first steel cable device 3121 passes through the second baffle 3132 and the fourth baffle 3142 and is locked and fixed by the second fixer 3172; the left end of the second steel cable device 3122 passes through the first baffle 3131 and the third baffle 3141 and is locked and fixed by the third fixer 3173. The right end of the second steel cable device 3122 passes through the second anchor plate 3162 and is locked and fixed by the fourth fixer 3174. As a specific example of the present application, four first steel cable devices 3121 are provided, and the four first steel cable devices 3121 are symmetrically arranged along the central axis of the connecting rod 2. Similarly, four second steel cable devices 3122 are provided.

[0121] This arrangement ensures that when the structural member connected to the outer sleeve 1 and the connecting rod 2 is subjected to external forces, the steel cable assembly 312 will bear the tension and transmit the tension to the steel cable anchor plate 316 and the connecting rod 2 through the steel cable fixer 317, forming a stable mechanical structure. This significantly enhances the stability and load-bearing capacity of the structure, allowing the structure to better maintain its shape and position when subjected to external forces, reducing the possibility of deformation and damage, facilitating installation and maintenance, and improving construction efficiency and ease of use. In addition, the symmetrical arrangement of the first and second steel cable devices 3121 and 3122 achieves a uniform distribution of tension, avoids localized excessive stress, and thus extends the service life of the structure.

[0122] As a preferred example of the present application, the energy dissipation system 32 includes a friction plate 321, a friction plate 322 and a first bracket 324. The first bracket 324 is connected to the connecting rod 2 or the steel cable anchor plate 316. The first bracket 324 and the friction plate 322 are detachably connected by a connecting rivet 323. The friction plate 321 is fixed on the outer sleeve 1 and forms a friction energy dissipation system with the friction plate 322. As a preferred example of the present application, a second long slot hole 3241 is provided on the first bracket 324, and a first long slot hole 3221 is provided on the friction plate 322. The connecting rivet 323 passes through the friction plate 321 from the outside of the outer sleeve 1 to fix the friction plate 322 to the first bracket 324. The first bracket 324 serves as a cover plate, the connecting rivet 323 is a ring groove rivet, the friction plate 321 is a brass plate, the connecting rod 2 is a steel rod, and the steel cable anchor plate 316 is a steel plate. The friction plate 321 is fixed to the outer sleeve 1. When fixing, the ring groove rivet is used instead of the traditional high-strength bolt to prevent the loss of the pre-tightening force of the traditional high-strength bolt. The first bracket 324 with the second long slot hole 3241 is fixed to the steel cable anchor plate 316, and the friction plate 322 with the first long slot hole 3221 is placed on the first bracket 324 for easy replacement. When the connecting rod 2 drives the steel cable anchor plate 316 connected to the first bracket 324 to make axial movement, the steel cable anchor plate 316 simultaneously drives the friction plate 322 with the long slotted hole and the first bracket 324 to make axial movement in the outer sleeve 1, and the friction plate 322 and the friction plate 321 produce relative slippage, thereby generating friction energy consumption.

[0123] This arrangement, through the friction energy dissipation mechanism incorporated into the supported self-resetting friction energy dissipation system, effectively dissipates energy input into the structure, thereby significantly reducing the structural vibration amplitude and improving the structure's earthquake and wind resistance. The simple structure facilitates installation and maintenance, and the friction plate 322 is easily replaceable, which helps extend the system's service life. Furthermore, in this application, the contact surface between the friction plate 321 and the friction plate 322 can be designed to be larger, thereby providing a greater energy dissipation capacity, enabling the structure to maintain good stability and safety even under strong earthquakes or strong winds.

[0124] As a preferred example of the present application, the cable anchor plate 316 further includes a third anchor plate 3163, which is disposed between the second anchor plate 3162 and the second baffle plate 3132. The third anchor plate 3163 is fixedly connected to the connecting rod 2, and opposite ends of the first bracket 324 are integrally connected to the third anchor plate 3163 and the second anchor plate 3162, respectively. Preferably, a preset gap is provided between the third anchor plate 3163 and the second baffle plate 3132.

[0125] This setting forms a more stable energy dissipation system 32 by adding a third anchor plate 3163 and combining it with the first bracket 324, thereby improving the seismic and wind resistance of the structure, so that the steel cable anchor plate 316 not only has the traditional tensile bearing capacity, but also has the function of energy dissipation and shock absorption, optimizes the product structure, facilitates installation and maintenance, and improves the service life of the supported self-resetting friction energy dissipation system described in this application.

[0126] As a preferred example of the present application, two first brackets 324 are provided, and the two first brackets 324 are located in parallel between the third anchor plate 3163 and the second anchor plate 3162. The third anchor plate 3163, the second anchor plate 3162 and the two first brackets 324 are arranged in a rectangular shape. A friction plate 322 is provided on each of the first brackets 324, and a friction plate 321 is provided on the outer sleeve 1 corresponding to each of the friction plates 322.

[0127] This arrangement further optimizes the friction energy dissipation system composed of the first bracket 324 and the friction plate 322 - friction plate 321 to form an efficient energy dissipation mechanism that can effectively consume the energy input into the system, thereby reducing the vibration response of the structure and improving the safety and stability of the structure.

[0128] As a preferred example of the present application, an ear plate 4 is provided at one end of the outer sleeve 1, one end of the connecting rod 2 extends out of the outer sleeve 1, and a third connecting plate 5 is provided at the end extending out of the outer sleeve 1, and another ear plate 4 is provided on the third connecting plate 5. As a specific example of the present application, one end of the connecting rod 2 extends into the interior of the outer sleeve 1, and this end is provided close to the end of the outer sleeve 1 where the ear plate 4 is provided. A first anchor plate 3161 is provided at the end extending into the interior of the outer sleeve 1, and the movable end of the first steel cable device 3121 is fixed to the first anchor plate 3161. The other end of the outer sleeve 1 can be covered by the second anchor plate 3162 or the third connecting plate 5. The movable end of the second steel cable device 3122 is fixed to the second anchor plate 3162, and the third connecting plate 5 is provided at the end of the connecting rod 2 extending out of the second anchor plate 3162.

[0129] This setting facilitates the supported self-resetting friction energy dissipation system described in this application to be easily connected to other components or systems, thereby improving the flexibility and applicability of the overall structure. The overall structure is relatively simple and easy to process, install and maintain, which is beneficial to extending the service life of the system and reducing maintenance costs.

[0130] The supported self-resetting friction energy dissipation system described in the present invention realizes the dual advantages of large deformation capacity and high stiffness of the supported self-resetting friction energy dissipation system by innovatively combining prestressed disc springs and zero prestressed steel cables as reset components. The prestressed disc springs not only meet the deformation requirements through the combined composition, but also provide the support with an initial restoring force through the applied prestress, thereby ensuring the self-resetting function of the structure; at the same time, the design of the zero prestressed steel cable avoids the complicated prestressing process, simplifies the installation procedure, reduces costs, and improves construction efficiency. During the loading process, the joint deformation of the disc spring assembly 311 and the steel cable assembly 312 provides the support with a larger axial loading stiffness, thereby enhancing the stability and bearing capacity of the structure. In addition, the rotating friction energy dissipator connected by high-strength ring groove rivets as an energy dissipation system effectively consumes the energy input into the structure, reduces the vibration response, and improves the earthquake resistance and wind resistance. Compared with traditional high-strength bolt connections, the use of ring groove rivets solves the problem of preload loss and extends the service life of the system.

[0131] In summary, the supported, self-resetting friction energy dissipation system of the present invention offers advantages such as low machining precision requirements, convenient preload application, large deformation capability, and high load-bearing capacity. This not only optimizes the product structure but also improves installation and maintenance convenience, reduces costs, and enhances the system's reliability and affordability. Therefore, this invention has broad application prospects in structures such as high-rise buildings, providing a continuous and stable restoring force, protecting them from damage, and improving the overall structural stability and safety.

[0132] The supporting self-resetting friction energy dissipation system of the present invention has an assembly method comprising the following steps:

[0133] S1: The disc spring assembly 311 is assembled and fixed on the connecting rod 2;

[0134] During installation, the multiple disc springs in the disc spring assembly 311 are first assembled on the connecting rod 2 in a matching manner, and then the disc spring baffle 313 and the limit block 315 are installed. The first baffle 3131 and the second baffle 3132 in the disc spring baffle 313 are respectively installed at the opposite ends of the disc spring assembly 311, and the positions of the first baffle 3131 and the second baffle 3132 on the connecting rod 2 are limited by the first baffle 3151 and the second baffle 3152 in the limit block 315. The first baffle 3151 and the second baffle 3152 are sleeved on the connecting rod 2 and are threaded, plugged in, or detachably connected or welded.

[0135] S2: After assembling the energy dissipation system 32, put it on the connecting rod 2;

[0136] To prevent the final installation of the energy dissipation system 32 from causing friction between the friction plate 321 and the friction plate 322, which increases the difficulty of installation, the friction plate 321 and the outer sleeve 1 only need to be fixed in position and do not require friction. Therefore, after the energy dissipation system 32 is assembled externally, it is placed into the connecting rod 2 and then fixed to the outer sleeve 1.

[0137] First, weld the second anchor plate 3162 and the third anchor plate 3163 to the connecting rod 2, then fix the two ends of the first bracket 324 between the second anchor plate 3162 and the third anchor plate 3163, then place the friction plate 322 with the first long slot hole 3221 on the first bracket 324, and finally place the friction plate 321 with a circular hole on the friction plate 322 with the long slot hole.

[0138] S3: Fix the limiting baffle 314 in the outer sleeve 1, put the assembled disc spring assembly 311 and the connecting rod 2 structure of the energy dissipation system 32 into the outer sleeve 1, and connect the rivets 323 to fix the outer sleeve 1 and the friction plate 321.

[0139] The limiting baffle 314 includes a third baffle 3141 and a fourth baffle 3142. The third baffle 3141 and the fourth baffle 3142 are welded and fixed to the outer sleeve 1. The assembled disc spring assembly 311 and the connecting rod 2 structure of the energy consumption system 32 are placed into the outer sleeve 1 from the front. The first baffle 3131 and the second baffle 3132 are located between the third baffle 3141 and the fourth baffle 3142. The disc spring assembly 311 and the energy consumption system 32 are installed.

[0140] S4: Install two sets of stress-free steel cable assemblies 312;

[0141] The first anchor plate 3161 is welded to the left end of the connecting rod 2, the left end of the first steel cable device 3121 is fixed to the first anchor plate 3161 using the first fixer 3171, and the right end is fixed to the fourth baffle 3142 using the second fixer 3172, the left end of the second steel cable device 3122 is fixed to the third baffle 3141 using the third fixer 3173, and the right end is fixed to the second anchor plate 3162 at the rightmost end using the fourth fixer 3174, and the two sets of stress-free steel cable assemblies 312 are installed.

[0142] S5: Sealing assembly and overall assembly of the outer sleeve 1;

[0143] The outer sleeve 1 is welded and sealed on the front, and an ear plate 4 is set on the left end plate of the outer sleeve 1. The third connecting plate 5 and another ear plate 4 are welded to the right end of the connecting rod 2. The overall assembly of the supporting self-resetting friction energy dissipation system is completed.

[0144] The support type self-resetting friction energy dissipation system described in the application fixes the disc spring assembly 311 with a rectangular baffle (limiting baffle 314) in advance to generate a pre-stress F, and the size of F is greater than or equal to the size of the friction force f of the friction system. The inner and outer groups of non-pre-stressed steel cables (first steel cable device 3121 and second steel cable device 3122) bear the tension when the support is subjected to tension and compression, and after the tension and compression disappears, the reset force is provided together with the disc spring assembly 311 to restore the overall support to the original position. Taking the case of fixing the left connecting end of the support device and the right connecting end subjected to tension and compression, the force and movement form of the support are as shown in Figure 18 、 Figure 19

[0145] As shown in Figure 18 , when the support device is subjected to tension: the left connecting end of the support is fixed, the right connecting end is subjected to tension, the connecting rod 2 drives the disc spring assembly 311, the second steel cable device 3122, the first stop block 3151, the second stop block 3152, the first baffle 3131 and the friction plate 322 to move Δ1 to the right together.

[0146] At this time, the first baffle 3131 extrudes the pre-pressed disc spring assembly 311 by a distance Δ1 to the right side fourth baffle 3142, and the movable end of the second steel cable device 3122 is pulled to a length Δ1 to the right. At this time, the first steel cable device 3121 does not exist tension and compression stress, so the steel cable is loose. The disc spring assembly 311 provides a reset force F1 in the opposite direction, and the tension T1 provided by the second steel cable device 3122 also serves as a reset force. The reset force provided by the disc spring assembly 311 and the tension provided by the second steel cable device 3122 jointly resist the friction force, and relative to the single disc spring or single steel cable self-resetting support, the reset force provided is greater. The right end friction energy dissipation system occurs relative displacement Δ1 inside the outer sleeve 1 to friction energy dissipation.

[0147] As shown in Figure 19 , when the support device is subjected to compression: the left connecting end of the support is fixed, the right connecting end is subjected to compression, the connecting rod 2 drives the disc spring assembly 311, the first steel cable device 3121, the first stop block 3151, the second stop block 3152, the second baffle 3132 and the friction plate 322 to move Δ2 to the left together.

[0148] ​At this point, the second baffle 3132 squeezes the preloaded disc spring assembly 311 toward the left third baffle 3141 by a distance Δ2, causing the movable end of the first cable assembly 3121 to be stretched to the left by a distance Δ2. However, the second cable assembly 3122 is now free of tensile or compressive stress, resulting in a slackness in the cable. The disc spring assembly 311 provides a restoring force F2 in the opposite direction, while the first cable assembly 3121 provides a tensile force T2 that also serves as a restoring force. The restoring force provided by the disc spring assembly 311 and the tensile force provided by the first cable assembly 3121 jointly counteract frictional forces and provide a greater restoring force than a single disc spring or single cable self-restoring support. The right-end friction energy dissipation system undergoes a relative displacement Δ2 within the outer sleeve 1, dissipating frictional energy.

[0149] The assembly method of the supported self-resetting friction energy dissipation system described in the present invention is based on the improved supported self-resetting friction energy dissipation system. Through precise and orderly steps, it ensures the efficient and accurate assembly of key components such as the disc spring assembly, the energy dissipation system, and the stress-free steel cable assembly, which not only improves production efficiency but also ensures the overall performance and quality of the device. The ingenious assembly and fixing method of the disc spring assembly makes the application of prestress more convenient, while reducing the processing accuracy requirements, laying a solid foundation for the realization of large deformation and high load-bearing capacity; the external pre-installed design of the energy dissipation system effectively avoids the friction problem during the installation process and ensures the smooth operation of the energy dissipation mechanism; the installation of the stress-free steel cable assembly further enhances the reset ability of the device, so that the device can perform well under tension and compression, and provide greater reset force to resist external forces; in addition, the sealed assembly of the outer sleeve and the overall assembly design further ensure the durability and long-term performance of the device.

[0150] The assembly method of the supported self-resetting friction energy dissipation system described in the present invention not only optimizes the production process and improves production efficiency, but also ensures the excellent performance of the supported self-resetting friction energy dissipation system in terms of structural stability, safety and economy, and shows broad application prospects and market promotion value.

[0151] like Figure 20-26 As shown, according to some embodiments of the present application, the shear-type self-resetting friction energy dissipation system 600 includes the damping system 200 and the self-resetting connector 300, the damping system 200 is used to dissipate energy when the shear-type self-resetting friction energy dissipation system 600 undergoes horizontal displacement, and the self-resetting connector 300 is used to provide a reset force when the shear-type self-resetting friction energy dissipation system 600 undergoes horizontal displacement.

[0152] According to some embodiments of the present application, the damping system 200 comprises a T-shaped steel plate 210, an L-shaped steel plate 220 and a fastener 230, the T-shaped steel plate flange 211 is provided with a round hole, the T-shaped steel plate web 212 is provided with a horizontally long slot round hole, the L-shaped steel plate web 222 and the L-shaped steel plate flange 221 are respectively provided with a round hole, and the T-shaped steel plate web 212 and the L-shaped steel plate web 222 are connected by the fastener 230.

[0153] The self-resetting connecting piece 300 is located between the upper steel column and the lower steel column, the end of the self-resetting connecting piece is provided with a screw thread, and the steel column 100 and the damping system 200 are fastened and connected by the matched first fastening nut 310, the second fastening nut 320, the third fastening nut 330 and the fourth fastening nut 340.

[0154] According to some embodiments of the present application, the T-shaped steel plate web 212 is provided with a horizontally long slot round hole, has a large deformation capacity in the energy dissipation state, and can meet the deformation requirements of the structure under large earthquakes and super large earthquakes by cooperating with the synchronous shear large deformation capacity of the self-resetting connecting piece 300.

[0155] According to some embodiments of the present application, the shear type self-resetting friction energy dissipation system is arranged at the inflection point of the intermediate column of the frame, does not bear a bending moment, and only bears a horizontal shear force. The self-resetting connecting piece 300 is preheated or electrified to generate a prestress, which serves as the initial resetting force of the overall device. Under the action of an earthquake, the L-shaped steel plate web 222 and the T-shaped steel plate web 212 produce a horizontal relative displacement and perform friction energy dissipation, at this time, the self-resetting connecting piece 300 also produces a corresponding shear deformation and a horizontal resetting force due to its good deformation capacity and self-resetting capacity. After the earthquake ends, the resetting force generated by the deformation of the self-resetting connecting piece 300 resists the friction force of the damping system, so as to realize the self-resetting of the overall device.

[0156] According to some embodiments of the present application, the L-shaped steel plate 220 is provided with two plates, which are respectively located on both sides of the T-shaped steel plate web 212, and the diameters of the round holes of the L-shaped steel plate web 222 are equal to the short diameters of the long slot round holes of the T-shaped steel plate web 212.

[0157] According to some embodiments of the present application, a brass plate 240 can be arranged between the T-shaped steel plate web 212 and the L-shaped steel plate web 222, the brass plate 240 is provided with a round hole, and the diameters of the round holes are respectively equal to the diameters of the round holes of the L-shaped steel plate web 222 and the short diameters of the long slot round holes of the T-shaped steel plate web 212.

[0158] Furthermore, the thickness of the brass plate 240 is less than the thickness of the L-shaped steel plate web 222. The brass plate 240 is roughened and has a more stable friction coefficient, which is suitable for multiple friction energy consumption. The brass plate 240 can be arranged between the T-shaped steel plate web 212 and the L-shaped steel plate web 222 to further increase the energy consumption of the damping system 200.

[0159] According to some embodiments of the present application, the connection surfaces of the T-shaped steel plate 210, the L-shaped steel plate 220 and the end plate 110 are roughened. By increasing the friction coefficient through roughening, more stable friction energy consumption can be achieved.

[0160] According to some embodiments of the present application, the fastener 230 may be a bolt or a rivet.

[0161] According to some embodiments of the present application, the self-resetting connector 300 is made of shape memory alloy.

[0162] According to some embodiments of the present application, the self-resetting connector 300 is preferably a cylinder.

[0163] According to some embodiments of the present application, the lower end of the upper steel column and the upper end of the lower steel column are respectively provided with horizontal end plates 110 , and the end plates 110 are provided with circular holes.

[0164] According to some embodiments of the present application, the circular hole of the horizontal end plate 110 of the upper steel column is aligned with the circular hole of the T-shaped steel plate flange 211, and passes through the self-resetting connector 300, and is fixed by the first fastening nut 310 and the second fastening nut 320; the circular hole of the horizontal end plate 110 of the lower steel column 100 is aligned with the circular hole of the L-shaped steel plate flange 221, and passes through the self-resetting connector 300, and is fixed by the third fastening nut 330 and the fourth fastening nut 340.

[0165] According to some embodiments of the present application, the self-resetting connector 300 fastens the steel column 100 and the damping system 200 by tightening the nut, which not only has a connection function, but also enhances the vertical bearing capacity compared with the traditional intermediate column friction damper, and can also achieve the reset of the shear deformation of the intermediate column after an earthquake through its own strong deformation recovery ability.

[0166] According to some embodiments of the present application, a method for installing a shear-type self-resetting friction energy dissipation system is characterized by the following specific steps:

[0167] A. Install the steel column 100 and securely connect the upper and lower steel columns to the main building structure.

[0168] B. Install the damping system 200. First, align the circular holes in the T-shaped steel plate flange 211 with the circular holes in the horizontal end plate 110 of the upper steel column. Then, place the L-shaped steel plates 220 on both sides of the T-shaped steel plate web 212, so that the circular holes in the T-shaped steel plate web 212 and the L-shaped steel plate web 222 are aligned, and the circular holes in the L-shaped steel plate flange 221 and the horizontal end plate 110 of the lower steel column are aligned. Finally, connect the T-shaped steel plate web 212 and the L-shaped steel plate web 222 with the fasteners 230.

[0169] C. Install the self-resetting connector 300. First, place the second fastening nut 320 and the third fastening nut 330 on the lower part of the circular hole of the T-shaped steel plate flange 211 and the upper part of the circular hole of the L-shaped steel plate flange 221, respectively. The center lines of the second fastening nut 320 and the third fastening nut 330 are aligned with the center lines of the circular hole of the T-shaped steel plate flange 211 and the circular hole of the L-shaped steel plate flange 221, respectively. Then, pass the self-resetting connector 300 through the circular hole of the end plate 110 of the upper steel column 100, the T-shaped steel plate flange 221, and the L-shaped steel plate flange 221. The circular hole of the plate flange 211, the second fastening nut 320, the third fastening nut 330, the circular hole of the L-shaped steel plate flange 221, the circular hole of the end plate 110 of the lower steel column 100, tighten the second fastening nut 320 and the third fastening nut 330, and finally place the first fastening nut 310 and the fourth fastening nut 340 on the upper part of the circular hole of the horizontal end plate 110 of the upper steel column 100 and the lower part of the circular hole of the horizontal end plate 110 of the lower steel column 100, pass through the self-resetting connector 300 and tighten it.

[0170] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principles of the present invention. These improvements and substitutions should also be regarded as the scope of protection of the present invention.

Claims

1. An assembled double self-resetting friction energy dissipation steel frame system, characterized by: include: Steel column (100), steel beam (400), first connecting device (700), supporting self-resetting friction energy dissipation system (500), shearing self-resetting friction energy dissipation system (600); The first connecting device (700) is located at a node where the steel column (100) and the steel beam (400) are connected; The supporting self-resetting friction energy dissipation system (500) is diagonally connected to the node between the steel column (100) and the steel beam (400) via a first connecting device (700); The steel column (100) connected to the supporting self-resetting friction energy dissipation system and the steel beam (400) are connected by a hinged manner; The shear-type self-resetting friction energy dissipation system (600) comprises a damping system (200) and a self-resetting connector (300); the shear-type self-resetting friction energy dissipation system (600) is arranged in the steel column (100) and is connected to the upper steel column and the lower steel column via the self-resetting connector (300); The steel column (100) provided with the shear-type self-resetting friction energy dissipation system and the steel beam (400) are connected by a rigid connection.

2. The assembled double self-reset-friction energy dissipation steel frame system according to claim 1, characterized in that: The rigid connection method is welding.

3. The assembled double self-resetting-friction energy dissipation steel frame system according to claim 1 or 2, characterized in that: A haunch plate (002) and a stiffening plate (001) are also provided at the rigid connection between the steel column (100) provided with a shear-type self-resetting friction energy dissipation system and the steel beam (400).

4. The assembled double self-resetting-friction energy dissipation steel frame system according to claim 1, characterized in that: The hinged connection is achieved by connecting with an angle steel (003) and bolts, one side of the angle steel (003) is fixed to the steel column (100), and the other side of the angle steel (003) is fixed to the steel beam (400) by bolts.

5. The assembled double self-reset-friction energy dissipation steel frame system according to claim 1, characterized in that: The first connecting device (700) includes a second lug plate, and the supporting self-resetting friction energy dissipation system (500) is diagonally connected to a node between a steel column (100) and a steel beam (400) via the second lug plate.

6. The assembled double self-reset-friction energy dissipation steel frame system according to claim 1, characterized in that: The supported self-resetting friction energy dissipation system (500) comprises: An outer sleeve (1) having a space therein for accommodating an internal system (3); The internal system (3) includes a self-resetting system (31) and an energy consumption system (32), wherein the energy consumption system (32) is used to consume energy when the self-resetting system (31) is displaced; The self-resetting system (31) comprises: A disc spring assembly (311), wherein the disc spring assembly (311) is sleeved on the connecting rod (2); a disc spring baffle (313), the disc spring baffle (313) being sleeved on the connecting rod (2) and used to limit the disc spring assembly (311); A limit stopper (315), the limit stopper (315) being sleeved on the connecting rod (2) and located outside the disc spring baffle (313); a steel cable assembly (312), the steel cable assembly (312) being arranged along the length direction of the connecting rod (2), passing through a disc spring baffle (313) and a limit block (315), one end of which is fixedly connected to the outer sleeve (1), and the other end of which is connected to a steel cable anchor plate (316), wherein the steel cable anchor plate (316) is fixedly connected to the connecting rod (2); The connecting rod (2) and the outer sleeve (1) are respectively connected to the structure, and the prestress of the disc spring assembly (311) is adjusted by adjusting the distance between the disc spring baffle (313) and the limit block (315), so that the prestress of the steel cable assembly (312) is zero in the initial state. When the connecting rod (2) moves under the drive of the structure, the reset force provided by the disc spring assembly (311) and the tension provided by the steel cable assembly (312) jointly resist the relative movement of the connecting rod (2) and the outer sleeve (1), and when the connecting rod (2) moves relative to the outer sleeve (1), energy is consumed through the energy consumption system (32).

7. The assembled double self-resetting-friction energy dissipation steel frame system according to claim 6, characterized in that: An ear plate (4) is provided at one end of the outer sleeve (1), one end of the connecting rod (2) extends out of the outer sleeve (1), and a third connecting plate (5) is provided at the end extending out of the outer sleeve (1), and another ear plate (4) is provided on the third connecting plate (5), and is connected to the first connecting device (700) through the ear plate (4).

8. The assembled double self-reset-friction energy dissipation steel frame system according to claim 1, characterized in that: The damping system (200) comprises a T-shaped steel plate (210), an L-shaped steel plate (220) and a fastener (230), wherein the T-shaped steel plate flange (211) is provided with a circular hole, the T-shaped steel plate web (212) is provided with a horizontally long slot circular hole, the L-shaped steel plate web (222) and the L-shaped steel plate flange (221) are respectively provided with a circular hole, and the T-shaped steel plate web (212) and the L-shaped steel plate web (222) are connected by a fastener (230); The self-resetting connector (300) is located between the upper steel column and the lower steel column. The end of the self-resetting connector (300) is provided with a thread, and the steel column (100) and the damping system (200) are fastened and connected by a matching first fastening nut (310), a second fastening nut (320), a third fastening nut (330) and a fourth fastening nut (340).

9. The assembled double self-resetting-friction energy dissipation steel frame system according to claim 8, characterized in that: The lower end of the upper steel column and the upper end of the lower steel column are respectively provided with end plates (110), and the end plates (110) are provided with circular holes.

10. The assembled double self-reset-friction energy dissipation steel frame system according to claim 9, characterized in that: The circular hole of the end plate (110) of the upper steel column is aligned with the circular hole of the T-shaped steel plate flange (211), and passes through the self-resetting connector (300) and is fixed by a first fastening nut (310) and a second fastening nut (320); the circular hole of the end plate (110) of the lower steel column is aligned with the circular hole of the L-shaped steel plate flange (221), and passes through the self-resetting connector (300) and is fixed by a third fastening nut (330) and a fourth fastening nut (340).

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