Graded energy consumption type disc spring self-resetting damper

Abstract

The invention discloses a graded energy dissipation type disc spring self-resetting damper, and relates to the technical field of structural damping, the disc spring self-resetting damper comprises a guide rod, the middle part of the guide rod is fixedly provided with a first push stop block, a first mounting base block and a second push stop block in sequence; a plurality of first metal energy consumption plates with fan-shaped structures are uniformly arranged on the side wall of the first mounting base block in a surrounding manner; the first-stage reset disc spring group is arranged on the second mounting section of the guide rod in a sleeving manner; the second first-stage reset disc spring group is arranged on the third mounting section of the guide rod in a sleeving manner; the first sliding push block and the first secondary reset disc spring group are sequentially arranged on the first mounting section of the guide rod in a sleeving manner; the second sliding push block and the second-stage reset disc spring set are sequentially arranged on the fourth installation section of the guide rod in a sleeving mode. According to the structure, sufficient energy consumption and resetting can be conducted according to different earthquake intensities, and residual deformation of the structure after an earthquake can be effectively reduced.

Description

Technical Field

[0001] The present application relates to the technical field of structural shock absorption, and in particular to a graded energy-absorbing disc spring self-resetting damper. Background Art

[0002] Once an existing energy dissipation damper is assembled, its energy dissipation capacity is often fixed. It may have insufficient energy dissipation capacity for different earthquake intensities or may be difficult to play an energy dissipation role for smaller earthquakes.

[0003] Resetting materials should usually have higher bearing capacity and stronger elastic deformation ability. Shape memory alloy is a good choice, but it is expensive and difficult to popularize. Although prestressed tendons are relatively cheap, they are difficult to anchor, have poor durability, and may cause prestress loss. Disc springs are a type of compressive material with stable self-healing properties and good economic performance. Both its bearing capacity and deformation capacity can be flexibly set through different combinations, solving the problems of high economic cost, difficult anchoring and prestress damage of reset materials.

[0004] According to the existing seismic design specifications, the structure is allowed to undergo a certain amount of plastic deformation under a large earthquake to ensure that the structure will not collapse. However, the residual deformation of the structure has caused great trouble to the post-earthquake repair and renovation work, and the maintenance cost is extremely high. Therefore, how to reduce the residual deformation of the structure after an earthquake is an issue that needs to be addressed. Self-resetting energy-dissipating dampers have been widely used in engineering due to their good self-recovery ability and stable energy dissipation capacity.

[0005] Therefore, in order to meet actual needs, a graded energy-absorbing disc spring self-resetting damper is provided. Summary of the invention

[0006] In view of the defects existing in the prior art, the purpose of this application is to provide a graded energy-absorbing disc spring self-resetting damper to solve the problems of the existing damper's solid energy-absorbing capacity and high cost of self-resetting materials, difficult assembly, and prestress loss. It can achieve sufficient energy absorption and reset for different earthquake intensities and can effectively reduce the residual deformation of the structure after the earthquake.

[0007] In order to achieve the above objectives, the technical solution adopted by this application is:

[0008] The present application provides a graded energy-dissipating disc spring self-resetting damper, the disc spring self-resetting damper comprising:

[0009] A guide rod, wherein a first push stopper, a first mounting base block and a second push stopper are fixedly arranged in sequence in the middle of the guide rod, and the three push stoppers divide the guide rod into a first mounting section, a second mounting section, a third mounting section and a fourth mounting section;

[0010] A plurality of first metal energy-absorbing plates with fan-shaped structures are evenly arranged around the side wall of the first mounting base block;

[0011] A No. 1 primary return disc spring assembly sleeved on the second mounting section of the guide rod;

[0012] A No. 2 primary return disc spring assembly sleeved on the third mounting section of the guide rod;

[0013] A first sliding push block and a No. 1 secondary return disc spring group are sequentially sleeved on the first mounting section of the guide rod, and a plurality of second metal energy-absorbing plates with fan-shaped structures are evenly arranged around the side wall of the first sliding push block;

[0014] A second sliding push block and a No. 2 secondary reset disc spring group are sequentially sleeved on the fourth mounting section of the guide rod, and a plurality of third metal energy-absorbing plates with fan-shaped structures are evenly arranged around the side wall of the second sliding push block.

[0015] On the basis of the above technical solution, a plurality of the first metal energy-absorbing plates are arranged in a staggered manner at multiple layers on the side wall of the first mounting base block;

[0016] A plurality of the second metal energy-absorbing plates are arranged alternately in multiple layers on the side wall of the first sliding push block;

[0017] The plurality of third metal energy-absorbing plates are arranged alternately and in multiple layers on the side wall of the second sliding push block.

[0018] On the basis of the above technical solution, a plurality of the first metal energy-absorbing plates are arranged in three layers at intervals and staggered on the side wall of the first mounting base block;

[0019] A plurality of the second metal energy-absorbing plates are arranged alternately in three layers on the side wall of the first sliding push block;

[0020] The plurality of third metal energy-absorbing plates are arranged alternately in three layers on the side wall of the second sliding push block.

[0021] On the basis of the above technical solution, the thickness of the second metal energy absorbing plate is consistent with that of the third metal energy absorbing plate, and is greater than the thickness of the first metal energy absorbing plate.

[0022] On the basis of the above technical solution, the disc spring thickness of the No. 1 secondary reset disc spring group and the No. 2 secondary reset disc spring group are the same;

[0023] The disc spring thickness of the No. 1 primary reset disc spring group and the No. 2 primary reset disc spring group is the same;

[0024] The disc spring thickness of the No. 1 first-level reset disc spring group and the No. 2 first-level reset disc spring group is smaller than the disc spring thickness of the No. 1 second-level reset disc spring group and the No. 2 second-level reset disc spring group.

[0025] On the basis of the above technical solution, two inner sleeve assemblies of semicircular cylindrical structures, the two inner sleeve assemblies form an inner sleeve structure for accommodating the guide rod;

[0026] The top and bottom of the inner sleeve structure are provided with through holes, and the two ends of the guide rod pass through the top and bottom of the inner sleeve structure;

[0027] The inner sleeve structure is sequentially provided with a first accommodating cavity, a second accommodating cavity, a third accommodating cavity, a fourth accommodating cavity, a fifth accommodating cavity, a sixth accommodating cavity and a seventh accommodating cavity;

[0028] The No. 1 secondary return disc spring assembly is arranged in the first accommodating cavity, and a first push piece is arranged on the inner wall of the first accommodating cavity close to the second accommodating cavity, and the first push piece is sleeved on the first mounting section of the guide rod;

[0029] The first sliding push block is arranged in the second accommodating cavity, and the free end of the second metal energy-absorbing plate is embedded in the side wall of the second accommodating cavity, and the side wall of the second accommodating cavity is provided with a plurality of first recessed structures for fixing the free end of the second metal energy-absorbing plate;

[0030] The first push block is located in the second accommodating cavity, and the bottom end of the first push block is located in the through hole at the bottom end of the second accommodating cavity, and the sizes of the two are matched, and the bottom end of the first push block can move in the through hole at the bottom end of the second accommodating cavity;

[0031] The No. 1 primary reset disc spring group is arranged in the third accommodating cavity, and a second push piece is arranged between the two ends of the No. 1 primary reset disc spring group and the inner wall of the third accommodating cavity, the second push piece is sleeved on the second mounting section of the guide rod, and the two second push pieces are respectively located on the inner walls of the upper and lower ends of the third accommodating cavity;

[0032] The first mounting base block is located in the fourth accommodating cavity, the side wall of the first metal energy-absorbing plate is embedded in the side wall of the fourth accommodating cavity, the side wall of the fourth accommodating cavity is provided with a plurality of second recessed structures for fixing the free end of the first metal energy-absorbing plate, and the two ends of the first push stopper are respectively located at the through holes of the third accommodating cavity and the fourth accommodating cavity and at the through holes of the fourth accommodating cavity and the fifth accommodating cavity, and the two ends of the first mounting base block can move at the two through holes;

[0033] The No. 2 first-level reset disc spring group is arranged in the fifth accommodating cavity, and a third push piece is arranged between the two ends of the No. 2 first-level reset disc spring group and the inner wall of the fifth accommodating cavity, and the third push piece is sleeved on the third mounting section of the guide rod, and the two third push pieces are respectively located on the inner walls of the upper and lower ends of the fifth accommodating cavity;

[0034] The second sliding push block is arranged in the sixth accommodating cavity, and the free end of the third metal energy-absorbing plate is embedded in the side wall of the sixth accommodating cavity, and the side wall of the sixth accommodating cavity is provided with a plurality of third recessed structures for fixing the free end of the third metal energy-absorbing plate;

[0035] The No. 2 secondary reset disc spring group is arranged in the seventh accommodating cavity, and the inner wall of the seventh accommodating cavity close to the sixth accommodating cavity is provided with a fourth push plate, and the fourth push plate is sleeved on the fourth mounting section of the guide rod.

[0036] On the basis of the above technical solution, the size of the through hole at the top of the first accommodating cavity matches the size of the guide rod;

[0037] The sizes of the through holes at the bottom of the first accommodating cavity and the top of the second accommodating cavity match the sizes of the first sliding push block;

[0038] The sizes of the through holes at the bottom of the second accommodating cavity and the top of the third accommodating cavity match the sizes of the first push stopper;

[0039] The through hole sizes of the bottom of the third accommodating cavity and the top of the fourth accommodating cavity match the size of the first mounting base block;

[0040] The through hole sizes of the bottom of the fourth accommodating cavity and the top of the fifth accommodating cavity match the size of the first mounting base block;

[0041] The through hole sizes of the bottom of the fifth accommodating cavity and the top of the sixth accommodating cavity match the size of the second push stopper;

[0042] The sizes of the through holes at the bottom of the sixth accommodating cavity and the top of the seventh accommodating cavity match the sizes of the second sliding push block;

[0043] The size of the through hole at the bottom of the seventh accommodating cavity matches the size of the guide rod.

[0044] On the basis of the above technical solution, an outer sleeve assembly of a cylindrical structure and an outer sleeve cover plate arranged at the bottom open end of the outer sleeve assembly;

[0045] The outer sleeve assembly and the outer sleeve cover plate constitute an outer sleeve structure for accommodating the inner sleeve structure;

[0046] The outer sleeve assembly and the outer sleeve cover plate are provided with through holes for assembling the two ends of the guide rod;

[0047] Two ends of the guide rod pass through the through holes at the top and bottom of the outer sleeve structure.

[0048] On the basis of the above technical solution, the sizes of the through holes at the top and bottom of the outer sleeve structure match the sizes of the guide rod.

[0049] On the basis of the above technical solution, the guide rod is divided into an upper guide rod and a lower guide rod which are arranged in sequence from top to bottom;

[0050] The middle section of the upper guide rod is provided with the first push stopper;

[0051] The middle section of the lower guide rod is provided with the second push stopper;

[0052] The top end of the first mounting base block is threadedly connected to the bottom end of the upper guide rod;

[0053] The bottom end of the first mounting base block is threadedly connected to the top end of the lower guide rod.

[0054] Compared with the prior art, the advantages of this application are:

[0055] The present application is used to solve the problems of high cost, difficult assembly, and prestress loss of the existing damper energy dissipation capacity solidification and self-resetting materials, and achieves sufficient energy dissipation and reset for different earthquake intensities, which can effectively reduce the residual deformation of the structure after the earthquake.

[0056] The present application uses a preloaded disc spring group as a damper reset element, which saves reset material costs and is more convenient to assemble and install. The disc springs can be combined to change the performance of the reset disc spring to meet different engineering needs.

[0057] All components of the present application except the energy-absorbing metal sheet can be reused. After an earthquake, only new energy-absorbing sheets need to be replaced to reuse the device. The device has a simple structure, a clear force transmission mechanism, and various components of the device can be easily processed in a modular manner.

[0058] The technical solution of the embodiment of the present application can perform step-by-step energy consumption according to different earthquake intensities. In the case of small and medium earthquakes, the damper can achieve shock absorption by relying on only the primary energy consumption group; in the case of a large earthquake, the secondary energy consumption group cooperates with the primary energy consumption group to consume energy together. BRIEF DESCRIPTION OF THE DRAWINGS

[0059] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0060] Figure 1 This is a schematic structural diagram of a graded energy-absorbing disc spring self-resetting damper according to an embodiment of the present application;

[0061] Figure 2 It is a schematic diagram of assembling the guide rod, the first sliding push block and the second sliding push block of the stepped energy dissipation disc spring self-resetting damper of the embodiment of the present application;

[0062] Figure 3 It is a schematic diagram of assembling the guide rod of the stepped energy-absorbing disc spring self-resetting damper according to an embodiment of the present application;

[0063] In the figure:

[0064] 1. Outer sleeve assembly; 10. Outer sleeve cover; 2. Inner sleeve assembly; 21. First accommodating cavity; 22. Second accommodating cavity; 220. First recessed structure; 23. Third accommodating cavity; 24. Fourth accommodating cavity; 240. Second recessed structure; 25. Fifth accommodating cavity; 26. Sixth accommodating cavity; 260. Third recessed structure; 27. Seventh accommodating cavity; 3. Guide rod; 30. First push stopper; 31. First mounting base block; 310. First metal energy-absorbing plate; 32. Second push stopper Block; 33, upper guide rod; 34, lower guide rod; 4a, No. 1 first-level reset disc spring group; 4b, No. 2 first-level reset disc spring group; 5, first sliding push block; 50, second metal energy-absorbing plate; 6, second sliding push block; 60, third metal energy-absorbing plate; 7a, No. 1 second-level reset disc spring group; 7b, No. 2 second-level reset disc spring group; 8a, first push piece; 8b, second push piece; 8c, third push piece; 8d, fourth push piece; A, first installation section; B, second installation section; C, third installation section; D, fourth installation section. DETAILED DESCRIPTION

[0065] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0066] The embodiments of the present application are further described in detail below in conjunction with the accompanying drawings.

[0067] The embodiment of the present application provides a graded energy-absorbing disc spring self-resetting damper to solve the problems of the existing damper's solid energy-absorbing capacity and high cost of self-resetting materials, difficult assembly, and prestress loss. It achieves sufficient energy absorption and resetting for different earthquake intensities and can effectively reduce the residual deformation of the structure after the earthquake.

[0068] In order to achieve the above technical effects, the overall idea of ​​this application is as follows:

[0069] A graded energy-dissipating disc spring self-resetting damper, the disc spring self-resetting damper comprising:

[0070] A guide rod 3, wherein a first push stopper 30, a first mounting base block 31 and a second push stopper 32 are fixedly disposed in sequence in the middle of the guide rod 3, and the three push stoppers divide the guide rod 3 into a first mounting section A, a second mounting section B, a third mounting section C and a fourth mounting section D;

[0071] The side wall of the first installation base block 31 is evenly surrounded by a plurality of first metal energy dissipation plates 310 with fan-shaped structures;

[0072] A No. 1 primary return disc spring assembly 4a sleeved on the second mounting section B of the guide rod 3;

[0073] A No. 2 primary return disc spring assembly 4b sleeved on the third mounting section C of the guide rod 3;

[0074] A first sliding push block 5 and a No. 1 secondary return disc spring assembly 7a are sequentially sleeved on the first mounting section A of the guide rod 3, and a plurality of second metal energy-absorbing plates 50 with fan-shaped structures are evenly arranged around the side wall of the first sliding push block 5;

[0075] The second sliding push block 6 and the No. 2 secondary reset disc spring group 7b are sequentially sleeved on the fourth mounting section D of the guide rod 3, and the side wall of the second sliding push block 6 is evenly surrounded by a plurality of fan-shaped third metal energy-absorbing plates 60.

[0076] The embodiments of the present application are further described in detail below in conjunction with the accompanying drawings.

[0077] See also Figures 1 to 3 As shown, the embodiment of the present application provides a graded energy-absorbing disc spring self-resetting damper, which includes:

[0078] A guide rod 3, wherein a first push stopper 30, a first mounting base block 31 and a second push stopper 32 are fixedly disposed in sequence in the middle of the guide rod 3, and the three push stoppers divide the guide rod 3 into a first mounting section A, a second mounting section B, a third mounting section C and a fourth mounting section D;

[0079] The side wall of the first installation base block 31 is evenly surrounded by a plurality of first metal energy dissipation plates 310 with fan-shaped structures;

[0080] A No. 1 primary return disc spring assembly 4a sleeved on the second mounting section B of the guide rod 3;

[0081] A No. 2 primary return disc spring assembly 4b sleeved on the third mounting section C of the guide rod 3;

[0082] A first sliding push block 5 and a No. 1 secondary return disc spring assembly 7a are sequentially sleeved on the first mounting section A of the guide rod 3, and a plurality of second metal energy-absorbing plates 50 with fan-shaped structures are evenly arranged around the side wall of the first sliding push block 5;

[0083] The second sliding push block 6 and the No. 2 secondary reset disc spring group 7b are sequentially sleeved on the fourth mounting section D of the guide rod 3, and the side wall of the second sliding push block 6 is evenly surrounded by a plurality of fan-shaped third metal energy-absorbing plates 60.

[0084] The technical solution of the embodiment of the present application is used to solve the problems of the existing damper's energy dissipation capacity solidification and high cost of self-resetting materials, difficult assembly, and prestress loss. It can achieve sufficient energy dissipation and reset for different earthquake intensities, and effectively reduce the residual deformation of the structure after the earthquake.

[0085] Furthermore, the plurality of first metal energy dissipation plates 310 are arranged in a staggered manner at multiple layers on the side wall of the first mounting base block 31;

[0086] A plurality of the second metal energy-absorbing plates 50 are arranged in a staggered manner at multiple layers on the side wall of the first sliding push block 5;

[0087] The plurality of third metal energy-absorbing plates 60 are arranged alternately and in multiple layers on the side wall of the second sliding push block 6 .

[0088] Furthermore, the plurality of first metal energy dissipation plates 310 are arranged in three layers at intervals and staggered on the side wall of the first mounting base block 31;

[0089] The plurality of second metal energy-absorbing plates 50 are arranged alternately in three layers on the side wall of the first sliding push block 5;

[0090] The plurality of third metal energy-absorbing plates 60 are arranged alternately in three layers on the side wall of the second sliding push block 6 .

[0091] Furthermore, the thickness of the second metal energy absorbing plate 50 is consistent with that of the third metal energy absorbing plate 60 , and is greater than the thickness of the first metal energy absorbing plate 310 .

[0092] Furthermore, the disc springs of the No. 1 secondary reset disc spring group 7a and the No. 2 secondary reset disc spring group 7b have the same thickness;

[0093] The disc spring thickness of the No. 1 primary return disc spring group 4a and the No. 2 primary return disc spring group 4b is the same;

[0094] The disc spring thickness of the No. 1 primary reset disc spring group 4a and the No. 2 primary reset disc spring group 4b is smaller than the disc spring thickness of the No. 1 secondary reset disc spring group 7a and the No. 2 secondary reset disc spring group 7b.

[0095] Further, two inner sleeve assemblies 2 of semicircular cylindrical structures, the two inner sleeve assemblies 2 form an inner sleeve structure for accommodating the guide rod 3;

[0096] The top and bottom of the inner sleeve structure are provided with through holes, and the two ends of the guide rod 3 pass through the top and bottom of the inner sleeve structure;

[0097] The inner sleeve structure is sequentially provided with a first accommodating cavity 21, a second accommodating cavity 22, a third accommodating cavity 23, a fourth accommodating cavity 24, a fifth accommodating cavity 25, a sixth accommodating cavity 26 and a seventh accommodating cavity 27;

[0098] The No. 1 secondary return disc spring assembly 7a is disposed in the first accommodating cavity 21, and a first push piece 8a is disposed on the inner wall of the first accommodating cavity 21 close to the second accommodating cavity 22, and the first push piece 8a is sleeved on the first mounting section A of the guide rod 3;

[0099] The first sliding push block 5 is disposed in the second accommodating cavity 22, and the free end of the second metal energy-absorbing plate 50 is embedded in the side wall of the second accommodating cavity 22, and the side wall of the second accommodating cavity 22 is provided with a plurality of first recessed structures 220 for fixing the free end of the second metal energy-absorbing plate 50;

[0100] The first push block 30 is located in the second accommodating cavity 22, and the bottom end of the first push block 30 is located in the through hole at the bottom end of the second accommodating cavity 22, and the sizes of the two are matched, and the bottom end of the first push block 30 can move in the through hole at the bottom end of the second accommodating cavity 22;

[0101] The No. 1 primary return disc spring group 4a is arranged in the third accommodating cavity 23, and a second push piece 8b is arranged between the two ends of the No. 1 primary return disc spring group 4a and the inner wall of the third accommodating cavity 23, and the second push piece 8b is sleeved on the second mounting section B of the guide rod 3, and the two second push pieces 8b are respectively located on the inner walls of the upper and lower ends of the third accommodating cavity 23;

[0102] The first mounting base block 31 is located in the fourth accommodating cavity 24, the side wall of the first metal energy-absorbing plate 310 is embedded in the side wall of the fourth accommodating cavity 24, the side wall of the fourth accommodating cavity 24 is provided with a plurality of second recessed structures 240 for fixing the free end of the first metal energy-absorbing plate 310, and the two ends of the first mounting base block 31 are respectively located at the through holes of the third accommodating cavity 23 and the fourth accommodating cavity 24 and at the through holes of the fourth accommodating cavity 24 and the fifth accommodating cavity 25, and the two ends of the first push stopper 31 can move at the two through holes;

[0103] The No. 2 primary reset disc spring group 4b is arranged in the fifth accommodating cavity 25, and a third push piece 8c is arranged between the two ends of the No. 2 primary reset disc spring group 4b and the inner wall of the fifth accommodating cavity 25, and the third push piece 8c is sleeved on the third mounting section C of the guide rod 3, and the two third push pieces 8c are respectively located on the inner walls of the upper and lower ends of the fifth accommodating cavity 25;

[0104] The second sliding push block 6 is disposed in the sixth accommodating cavity 26, and the free end of the third metal energy-absorbing plate 60 is embedded in the side wall of the sixth accommodating cavity 26, and the side wall of the sixth accommodating cavity 26 is provided with a plurality of third recessed structures 260 for fixing the free end of the third metal energy-absorbing plate 60;

[0105] The No. 2 secondary reset disc spring group 7b is arranged in the seventh accommodating cavity 27, and the inner wall of the seventh accommodating cavity 27 close to the sixth accommodating cavity 26 is provided with a fourth push piece 8d, and the fourth push piece 8d is sleeved on the fourth mounting section D of the guide rod 3.

[0106] Furthermore, the size of the through hole at the top of the first accommodating cavity 21 matches the size of the guide rod 3;

[0107] The sizes of the through holes at the bottom of the first accommodating cavity 21 and the top of the second accommodating cavity 22 match the sizes of the first sliding push block 5;

[0108] The through hole sizes of the bottom of the second accommodating cavity 22 and the top of the third accommodating cavity 23 match the size of the first push stopper 30;

[0109] The through hole sizes of the bottom of the third accommodating cavity 23 and the top of the fourth accommodating cavity 24 match the size of the first mounting base block 31;

[0110] The through hole sizes of the bottom of the fourth accommodating cavity 24 and the top of the fifth accommodating cavity 25 match the size of the first mounting base block 31;

[0111] The through hole sizes of the bottom of the fifth accommodating cavity 25 and the top of the sixth accommodating cavity 26 match the size of the second push stopper 32;

[0112] The through hole sizes of the bottom of the sixth accommodating cavity 26 and the top of the seventh accommodating cavity 27 match the size of the second sliding push block 6;

[0113] The size of the through hole at the bottom of the seventh accommodating cavity 27 matches the size of the guide rod 3 .

[0114] Furthermore, the stepped energy dissipation disc spring self-resetting damper further comprises an outer sleeve assembly 1 of a cylindrical structure and an outer sleeve cover plate 10 arranged at the bottom open end of the outer sleeve assembly 1, wherein the outer sleeve assembly 1 and the outer sleeve cover plate 10 constitute an outer sleeve structure for accommodating the inner sleeve structure, and the outer sleeve assembly 1 and the outer sleeve cover plate 10 are provided with through holes for assembling the two ends of the guide rod 3;

[0115] Both ends of the guide rod 3 pass through the through holes at the top and bottom of the outer sleeve structure.

[0116] Furthermore, the sizes of the through holes at the top and bottom of the outer sleeve structure match the sizes of the guide rod 3 .

[0117] It should be noted that the inner diameter of the outer sleeve structure matches the outer diameter of the inner sleeve structure.

[0118] Furthermore, the guide rod 3 is divided into an upper guide rod 33 and a lower guide rod 34 which are arranged sequentially from top to bottom;

[0119] The middle section of the upper guide rod 33 is provided with the first push stopper 30;

[0120] The middle section of the lower guide rod 34 is provided with the second push stopper 32;

[0121] The top end of the first mounting base block 31 is threadedly connected to the bottom end of the upper guide rod 33;

[0122] The bottom end of the first mounting base block 31 is threadedly connected to the top end of the lower guide rod 34 .

[0123] Based on the drawings in the specification Figure 1 , the specific operation mode of the technical solution of the embodiment of the present application is explained:

[0124] When in use, the disc spring self-resetting damper is connected between two external connection devices, specifically, the top end and the bottom end of the guide rod 3 are connected between the two external connection devices;

[0125] First working condition:

[0126] The guide rod 3 is subjected to a force from the top to the bottom. At this time, the first push block 30 is in contact with the second push piece 8b after being assembled. However, due to the inner wall of the second accommodating cavity 22 in the inner sleeve structure, the first push block 30 is not subjected to force. When the disc spring self-reset damper enters the working state, the first push block 30 will immediately compress the second push piece 8b, thereby compressing the No. 1 primary reset disc spring group 4a;

[0127] At the same time, the first installation base block 31 will also move downward synchronously with the first push stopper 30, and the first metal energy dissipation plate 310 will be deformed due to the limitation of the second recessed structure 240;

[0128] Furthermore, the first mounting base block 31 will squeeze the third push piece 8c on the top inner wall of the fifth accommodating cavity 25, thereby compressing the No. 2 primary return disc spring assembly 4b;

[0129] At this time, the first-level return disc spring group 4a and the second-level return disc spring group 4b are mainly used to provide a return function, and the internal energy of the plastic deformation of the first metal energy-absorbing plate 310 is used to achieve a shock-absorbing function;

[0130] When a medium or large earthquake occurs, the input energy of the earthquake motion is relatively large, and the guide rod 3 continues to move downward until the second push block 32 contacts the second sliding push block 6 and pushes the second sliding push block 6 to move downward. At this time, the third metal energy-absorbing plate 60 is limited by the third recessed structure 260, and the third metal energy-absorbing plate 60 is deformed, and the shock-absorbing function is realized through the internal energy of the plastic deformation of the first metal energy-absorbing plate 310 and the third metal energy-absorbing plate 60.

[0131] The movement of the second sliding push block 6 and the fourth push piece 8d is synchronous, and the energy input by the ground vibration will be simultaneously converted into the deformation internal energy of the third metal energy-absorbing plate 60 and the compression potential energy of the second secondary return disc spring group 7b;

[0132] In this working condition, the first-level reset disc spring group 4a and the second-level reset disc spring group 4b are mainly used to perform the reset function, and the first metal energy-absorbing plate 310 is used as a first-level energy-absorbing working part;

[0133] The No. 1 secondary reset disc spring set 7a and the No. 2 secondary reset disc spring set 7b are also mainly used to perform the reset function, and the first metal energy-absorbing plate 310 and the third metal energy-absorbing plate 60 serve as secondary energy-absorbing working parts;

[0134] The ultimate shock absorption effect is achieved through the above two levels of energy consumption.

[0135] Second working condition:

[0136] The guide rod 3 is subjected to a force from the bottom end to the top end. At this time, the second push block 32 moves upward, and the second push block 32 gradually enters the fifth accommodating cavity 25, and contacts the third push piece 8c located on the bottom inner wall of the fifth accommodating cavity 25, thereby pressing the No. 2 primary return disc spring group 4b;

[0137] At the same time, the first installation base block 31 will also move upward synchronously with the first push stopper 30, and the first metal energy-absorbing plate 310 will be deformed due to the limitation of the second recessed structure 240;

[0138] Furthermore, the first mounting base block 31 will squeeze the second push piece 8b on the inner wall of the bottom of the third accommodating cavity 23, thereby compressing the No. 1 primary return disc spring assembly 4a;

[0139] At this time, the No. 2 primary return disc spring group 4b and the No. 1 primary return disc spring group 4a are used to realize the return function, and the internal energy of the plastic deformation of the first metal energy-absorbing plate 310 is used to realize the shock-absorbing function;

[0140] When a medium or large earthquake occurs, the input energy of the earthquake motion is relatively large, and the first push block 30 contacts the first sliding push block 5 and pushes the first sliding push block 5 to move upward. At this time, the second metal energy-absorbing plate 50 is limited by the first recessed structure 220, and the second metal energy-absorbing plate 50 is deformed, and the shock-absorbing function is realized through the internal energy of the plastic deformation of the first metal energy-absorbing plate 310 and the second metal energy-absorbing plate 50.

[0141] The first push block 30 squeezes the first push piece 8a of the inner wall of the bottom end of the first accommodating cavity 21, thereby pressing the No. 1 secondary return disc spring group 7a, and the No. 1 secondary return disc spring group 7a is deformed;

[0142] Under this working condition, the first level return disc spring group 4a and the second level return disc spring group 4b are mainly used for the return function, and the first metal energy dissipation plate 310 is used as the first level energy dissipation working part;

[0143] The No. 1 secondary reset disc spring group 7a is mainly used for the reset function, and the second metal energy-absorbing plate 50 is used as the secondary energy-absorbing working part;

[0144] The ultimate shock absorption effect is achieved through the above two levels of energy consumption.

[0145] It should be noted that, in the detailed description of the working of the first working condition and the second working condition, downward movement specifically refers to movement from the top end to the bottom end of the guide rod 3, and upward movement specifically refers to movement from the bottom end to the top end of the guide rod 3, that is, the directions of "upward" and "downward" are based on the top and bottom ends of the guide rod 3, and are description methods adopted for the convenience of description.

[0146] Furthermore, the shape, size, opening size and material strength of each component of the technical solution of the embodiment of the present application can adapt to the above-mentioned first working condition and second working condition to achieve the purpose of graded energy consumption.

[0147] In summary, the technical solution of the embodiment of the present application has the following technical advantages:

[0148] The technical solution of the embodiment of the present application uses a preloaded disc spring group as a damper reset element, which saves the cost of reset materials and is more convenient to assemble and install. The disc springs can be combined to change the performance of the reset disc spring to meet different engineering needs.

[0149] Except for the energy-absorbing metal sheet, all components of the technical solution of the embodiment of the present application can be reused. After an earthquake, only new energy-absorbing sheets need to be replaced and the device can be used again. The structure is simple, the force transmission mechanism is clear, and the components of the device can be easily modularized for processing.

[0150] The technical solution of the embodiment of the present application can perform step-by-step energy consumption according to different earthquake intensities. In the case of small and medium earthquakes, the damper can achieve shock absorption by relying on only the primary energy consumption group; in the case of a large earthquake, the secondary energy consumption group cooperates with the primary energy consumption group to consume energy together.

[0151] In the description of the present application, it should be noted that the terms "upper", "lower", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying 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 the present application. Unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0152] It should be noted that, in this application, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0153] The above description is only a specific implementation of the present application, so that those skilled in the art can understand or implement the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest range consistent with the principles and novel features applied for herein.

Claims

1. A graded energy-absorbing disc spring self-resetting damper, characterized in that: The disc spring self-resetting damper comprises: A guide rod (3), wherein a first push stopper (30), a first mounting base block (31) and a second push stopper (32) are fixedly arranged in sequence in the middle of the guide rod (3), and the three push stoppers divide the guide rod (3) into a first mounting section (A), a second mounting section (B), a third mounting section (C) and a fourth mounting section (D); A plurality of first metal energy-absorbing plates (310) having a fan-shaped structure are evenly arranged around the side wall of the first installation base block (31); A No. 1 primary return disc spring assembly (4a) sleeved on the second mounting section (B) of the guide rod (3); A No. 2 primary return disc spring assembly (4b) sleeved on the third mounting section (C) of the guide rod (3); A first sliding push block (5) and a No. 1 secondary return disc spring assembly (7a) are sequentially sleeved on the first mounting section (A) of the guide rod (3), and a plurality of second metal energy-absorbing plates (50) with fan-shaped structures are evenly arranged around the side wall of the first sliding push block (5); A second sliding push block (6) and a No. 2 secondary return disc spring group (7b) are sequentially sleeved on the fourth mounting section (D) of the guide rod (3), and a plurality of third metal energy-absorbing plates (60) with fan-shaped structures are evenly arranged around the side wall of the second sliding push block (6).

2. The step-by-step energy dissipation disc spring self-resetting damper according to claim 1, characterized in that: A plurality of the first metal energy-absorbing plates (310) are arranged in a staggered manner at multiple layers on the side wall of the first mounting base block (31); A plurality of the second metal energy-absorbing plates (50) are arranged in a staggered manner at multiple layers on the side wall of the first sliding push block (5); The plurality of third metal energy-absorbing plates (60) are arranged in a staggered manner at multiple layers on the side wall of the second sliding push block (6).

3. The step-by-step energy dissipation disc spring self-resetting damper according to claim 2, characterized in that: A plurality of the first metal energy-absorbing plates (310) are arranged in three layers at intervals and in a staggered manner on the side wall of the first mounting base block (31); A plurality of the second metal energy-absorbing plates (50) are arranged in three layers at intervals and staggered on the side wall of the first sliding push block (5); The plurality of third metal energy-absorbing plates (60) are arranged in three layers at intervals and in an alternating manner on the side wall of the second sliding push block (6).

4. The step-by-step energy dissipation disc spring self-resetting damper according to claim 1, characterized in that: The thickness of the second metal energy absorbing plate (50) is consistent with that of the third metal energy absorbing plate (60), and is greater than the thickness of the first metal energy absorbing plate (310).

5. The step-by-step energy dissipation disc spring self-resetting damper according to claim 1, characterized in that: The disc springs of the No. 1 secondary return disc spring group (7a) and the No. 2 secondary return disc spring group (7b) have the same disc spring thickness; The disc spring thickness of the No. 1 first-level reset disc spring group (4a) and the No. 2 first-level reset disc spring group (4b) is the same; The disc spring thickness of the No. 1 primary reset disc spring group (4a) and the No. 2 primary reset disc spring group (4b) is smaller than the disc spring thickness of the No. 1 secondary reset disc spring group (7a) and the No. 2 secondary reset disc spring group (7b).

6. The step-by-step energy dissipation disc spring self-resetting damper according to claim 1, characterized in that: Two inner sleeve assemblies (2) of semicircular cylindrical structures, wherein the two inner sleeve assemblies (2) form an inner sleeve structure for accommodating the guide rod (3); The top and bottom of the inner sleeve structure are provided with through holes, and the two ends of the guide rod (3) pass through the top and bottom of the inner sleeve structure; The inner sleeve structure is sequentially provided with a first accommodating cavity (21), a second accommodating cavity (22), a third accommodating cavity (23), a fourth accommodating cavity (24), a fifth accommodating cavity (25), a sixth accommodating cavity (26) and a seventh accommodating cavity (27); The No. 1 secondary return disc spring group (7a) is arranged in the first accommodating cavity (21), and a first push piece (8a) is arranged on the inner wall of the first accommodating cavity (21) close to the second accommodating cavity (22), and the first push piece (8a) is sleeved on the first mounting section (A) of the guide rod (3); The first sliding push block (5) is arranged in the second accommodating cavity (22), and the free end of the second metal energy-absorbing plate (50) is embedded in the side wall of the second accommodating cavity (22), and the side wall of the second accommodating cavity (22) is provided with a plurality of first recessed structures (220) for fixing the free end of the second metal energy-absorbing plate (50); The first pushing block (30) is located in the second accommodating cavity (22), and the bottom end of the first pushing block (30) is located in a through hole at the bottom end of the second accommodating cavity (22), and the sizes of the two are matched, and the bottom end of the first pushing block (30) can move in the through hole at the bottom end of the second accommodating cavity (22); The No. 1 first-level reset disc spring group (4a) is arranged in the third accommodating cavity (23), and a second push piece (8b) is arranged between the two ends of the No. 1 first-level reset disc spring group (4a) and the inner wall of the third accommodating cavity (23), and the second push piece (8b) is sleeved on the second mounting section (B) of the guide rod (3), and the two second push pieces (8b) are respectively located on the inner walls of the upper and lower ends of the third accommodating cavity (23); The first mounting base block (31) is located in the fourth accommodating cavity (24), the side wall of the first metal energy-absorbing plate (310) is embedded in the side wall of the fourth accommodating cavity (24), the side wall of the fourth accommodating cavity (24) is provided with a plurality of second recessed structures (240) for fixing the free end of the first metal energy-absorbing plate (310), and the two ends of the first push stopper (31) are respectively located at the through holes of the third accommodating cavity (23) and the fourth accommodating cavity (24) and at the through holes of the fourth accommodating cavity (24) and the fifth accommodating cavity (25), and the two ends of the first mounting base block (31) can move at the two through holes; The No. 2 first-level reset disc spring group (4b) is arranged in the fifth accommodating cavity (25), and a third push piece (8c) is arranged between the two ends of the No. 2 first-level reset disc spring group (4b) and the inner wall of the fifth accommodating cavity (25), and the third push piece (8c) is sleeved on the third mounting section (C) of the guide rod (3), and the two third push pieces (8c) are respectively located on the inner walls of the upper and lower ends of the fifth accommodating cavity (25); The second sliding push block (6) is arranged in the sixth accommodating cavity (26), and the free end of the third metal energy-absorbing plate (60) is embedded in the side wall of the sixth accommodating cavity (26), and the side wall of the sixth accommodating cavity (26) is provided with a plurality of third recessed structures (260) for fixing the free end of the third metal energy-absorbing plate (60); The No. 2 secondary return disc spring group (7b) is arranged in the seventh accommodating cavity (27), and a fourth push piece (8d) is provided on the inner wall of the seventh accommodating cavity (27) close to the sixth accommodating cavity (26), and the fourth push piece (8d) is sleeved on the fourth mounting section (D) of the guide rod (3).

7. The step-by-step energy dissipation disc spring self-resetting damper according to claim 6, characterized in that: The size of the through hole at the top of the first accommodating cavity (21) matches the size of the guide rod (3); The sizes of the through holes at the bottom of the first accommodating cavity (21) and the top of the second accommodating cavity (22) match the sizes of the first sliding push block (5); The sizes of the through holes at the bottom of the second accommodating cavity (22) and the top of the third accommodating cavity (23) match the sizes of the first pushing stopper (30); The through hole sizes of the bottom of the third accommodating cavity (23) and the top of the fourth accommodating cavity (24) match the size of the first mounting base block (31); The through hole sizes of the bottom of the fourth accommodating cavity (24) and the top of the fifth accommodating cavity (25) match the size of the first mounting base block (31); The size of the through holes at the bottom of the fifth accommodating cavity (25) and the top of the sixth accommodating cavity (26) matches the size of the second push stopper (32); The sizes of the through holes at the bottom of the sixth accommodating cavity (26) and the top of the seventh accommodating cavity (27) match the sizes of the second sliding push block (6); The size of the through hole at the bottom of the seventh accommodating cavity (27) matches the size of the guide rod (3).

8. The step-by-step energy dissipation disc spring self-resetting damper according to claim 6, characterized in that: An outer sleeve assembly (1) of a cylindrical structure and an outer sleeve cover plate (10) arranged at the bottom open end of the outer sleeve assembly (1); The outer sleeve assembly (1) and the outer sleeve cover plate (10) form an outer sleeve structure for accommodating the inner sleeve structure; The outer sleeve assembly (1) and the outer sleeve cover plate (10) are provided with through holes for assembling the two ends of the guide rod (3); Both ends of the guide rod (3) pass through the through holes at the top and bottom of the outer sleeve structure.

9. The step-by-step energy dissipation disc spring self-resetting damper according to claim 8, characterized in that: The sizes of the through holes at the top and bottom of the outer sleeve structure match the sizes of the guide rod (3).

10. The step-by-step energy dissipation disc spring self-resetting damper according to claim 1, characterized in that: The guide rod (3) is divided into an upper guide rod (33) and a lower guide rod (34) which are arranged in sequence from top to bottom; The middle section of the upper guide rod (33) is provided with the first push stopper (30); The middle section of the lower guide rod (34) is provided with the second push stopper (32); The top end of the first mounting base block (31) is threadedly connected to the bottom end of the upper guide rod (33); The bottom end of the first mounting base block (31) is threadedly connected to the top end of the lower guide rod (34).

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