CN114045953A - Rhombus energy dissipation module and swing support - Google Patents
Rhombus energy dissipation module and swing support Download PDFInfo
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- CN114045953A CN114045953A CN202111445113.9A CN202111445113A CN114045953A CN 114045953 A CN114045953 A CN 114045953A CN 202111445113 A CN202111445113 A CN 202111445113A CN 114045953 A CN114045953 A CN 114045953A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
- E04H9/023—Bearing, supporting or connecting constructions specially adapted for such buildings and comprising rolling elements, e.g. balls, pins
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
- E04H9/0235—Anti-seismic devices with hydraulic or pneumatic damping
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
- E04H9/0237—Structural braces with damping devices
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Abstract
The invention discloses a rhombic energy dissipation module and a swing bracket, wherein the rhombic energy dissipation module comprises two first connecting rods which are arranged in a crossed manner and are mutually hinged, the end parts of the first connecting rods are connected through second connecting rods to form a first rhombic frame and a second rhombic frame respectively, and the first connecting rods are hinged with the second connecting rods; the connecting point of the first diamond frame and the second diamond frame is a hinge point of the two first connecting rods; the device comprises a first diamond frame, a second diamond frame and a screw rod assembly, and is characterized by further comprising an inertial container, a damping assembly and a screw rod assembly, wherein the inertial container is connected with two opposite ends of the first diamond frame, the damping assembly is connected with two opposite ends of the second diamond frame, and the screw rod assembly is connected with the first diamond frame and the second diamond frame. When the rhombic energy dissipation module is impacted by earthquake or other loads, energy can be absorbed and consumed through the inertial container, the damping assembly and the screw rod assembly, and the rhombic energy dissipation module has the advantage of good anti-seismic effect.
Description
Technical Field
The invention relates to the field of structural engineering, is mainly used for a shock absorption and isolation structure, plays a role in dissipating seismic energy and enhancing the seismic performance of a main body structure, and particularly relates to a rhombic energy dissipation module and a swing bracket.
Background
When earthquake disasters occur, building structures are subjected to huge horizontal earthquake action, a large number of buildings are damaged and collapsed, serious life and property losses are caused, and how to better resist the earthquake action and protect the building structures is always a target searched by structural engineers.
The steel structure frame with the common support resists earthquake together with the main structure by means of the material stress characteristic of the support rod piece, but the support rod piece enters the inelastic stage to generate unrecoverable compression buckling when being subjected to the strong earthquake action, the hysteretic performance of the support rod piece after buckling is poor under the action of sudden change load, and both the tension and compression bearing capacity are reduced, so that the overall earthquake resistance of the structure is weakened. The energy dissipation support with the energy dissipation frame improves the anti-seismic performance and does not consume energy by using a main body structure, but the durability of the support structure is reduced when the support structure is subjected to repeated loading, the structure is seriously damaged when the support structure is subjected to strong earthquake action, and the component is difficult to replace.
In view of the above, there is a need for a new rhombic energy dissipating module and a rocking support, which solve or at least improve the above technical drawbacks.
Disclosure of Invention
The invention mainly aims to provide a rhombic energy dissipation module and a swing support, and aims to solve the technical problem that the existing device in the prior art is poor in anti-seismic performance.
In order to achieve the above object, according to one aspect of the present invention, the invention provides a rhombic energy dissipation module, which includes two first connecting rods that are arranged in a crossed manner and hinged to each other, wherein ends of the first connecting rods are connected to form a first rhombic frame and a second rhombic frame respectively through second connecting rods, and the first connecting rods are hinged to the second connecting rods; the connecting point of the first diamond-shaped frame and the second diamond-shaped frame is a hinge point of the two first connecting rods;
the device comprises an inertial container, a damping assembly and a screw rod assembly, wherein the inertial container is connected with two opposite ends of a first diamond frame, the damping assembly is connected with two opposite ends of a second diamond frame, and the screw rod assembly is connected with the first diamond frame and the second diamond frame.
In an embodiment, the damping component comprises a damper, a first elastic element and two connecting pieces respectively connected to two ends of the second diamond frame, two ends of the damper are respectively connected with the two connecting pieces, two ends of the first elastic element are respectively connected with the two connecting pieces, and the damper and the first elastic element are arranged in a flush manner.
In an embodiment, the connecting piece comprises a connecting rod, and a hinged end and a cross rod which are respectively arranged at two ends of the connecting rod, the hinged end is hinged to the second diamond frame, two ends of the cross rod are provided with shaft caps, and the damper and the first elastic element are respectively connected to the cross rod.
In one embodiment, the damper is a hydraulic damper and comprises a first connecting plate, a piston rod, a hydraulic cylinder, an oil storage cylinder, a damping control valve and a second connecting plate, wherein one end of the piston rod is connected with the first connecting plate and is positioned in the hydraulic cylinder, the oil storage cylinder is fixedly sleeved outside the hydraulic cylinder, and the damping control valve is positioned at the end part of the hydraulic cylinder and is connected with the second connecting plate.
In one embodiment, the first elastic element is a spring, and two ends of the spring are respectively connected to the two cross rods.
In an embodiment, the inerter comprises a shell, and a first connecting end and a second connecting end which are respectively arranged on two sides of the shell, wherein the first connecting end and the second connecting end are respectively hinged with two opposite ends of the first diamond frame, a rack, a first pinion, a second pinion, a gearwheel and a flywheel are arranged in the shell, one end of the rack is connected to the first connecting end, the other end of the rack is meshed with the first pinion, the gearwheel is meshed with the second pinion, the first pinion and the gearwheel are coaxially arranged, and the second pinion and the flywheel are coaxially arranged to drive the flywheel to rotate.
In an embodiment, the screw rod assembly includes a screw rod, two nuts, two connecting rings and a second elastic element, the two nuts are respectively located at the upper end and the lower end of the screw rod and can slide along the screw rod, the two connecting rings are welded to the side surfaces of the nuts and are respectively hinged to the first connecting rod and the second connecting rod, the elastic element is a spring, and the spring is sleeved on the screw rod and abutted to the two nuts.
In an embodiment, the inerter is connected to two opposite ends of the first diamond frame, which are not the hinge point, the damping assembly is connected to two opposite ends of the second diamond frame, which are not the hinge point, the inerter and the damping assembly are arranged in parallel, and the screw rod assembly is connected to the first diamond frame and the second diamond frame.
According to another aspect of the present invention, there is also provided a rocking cradle comprising:
the bottom plate, a vertical rod, an upper inclined rod, a lower inclined rod and a fixed hinged support, wherein the upper inclined rod and the lower inclined rod are respectively and symmetrically arranged relative to the vertical rod; the energy dissipation device is characterized by further comprising the rhombic energy dissipation module, and the rhombic energy dissipation module is connected to the bottom end of the upper inclined rod and the top end of the lower inclined rod respectively.
In one embodiment, the vertical rod is vertically arranged, the upper inclined rod and the lower inclined rod are obliquely arranged and are in the same plane, the bottom end of the lower inclined rod is hinged to the fixed hinged support through a first connecting shaft and a bearing, and the top end of the upper inclined rod is hinged to the vertical rod through a second connecting shaft and a bearing.
In the scheme, the rhombic energy dissipation module comprises two first connecting rods which are arranged in a crossed manner and are hinged with each other, the end parts of the first connecting rods are connected through second connecting rods to form a first rhombic frame and a second rhombic frame respectively, and the first connecting rods are hinged with the second connecting rods; the connecting point of the first diamond frame and the second diamond frame is a hinge point of the two first connecting rods; the device comprises a first diamond frame, a second diamond frame and a screw rod assembly, and is characterized by further comprising an inertial container, a damping assembly and a screw rod assembly, wherein the inertial container is connected with two opposite ends of the first diamond frame, the damping assembly is connected with two opposite ends of the second diamond frame, and the screw rod assembly is connected with the first diamond frame and the second diamond frame.
The invention mainly has the following beneficial effects:
the rhombic energy dissipation structure is based on a geometric nonlinear design, the inerter-spring, the screw rod, the damper and the elastic element are placed in the rhombic frame to be combined, and nonlinear damping with an energy loss amplification function is provided, so that compared with the traditional linear damping, the rhombic energy dissipation structure has better tunability, higher stability and stronger robustness, and has a stronger shock absorption and energy dissipation function.
The invention improves the static bearing capacity of the structure, and ensures that the structure can keep good bearing capacity and motion stability while realizing shock absorption and energy consumption.
The invention is an assembly type steel structure, and has the advantages of light weight, modularization, convenience in disassembly, adjustability of components and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a rhombic energy dissipation module according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an internal structure of an inerter according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a damper according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a connector according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a lead screw assembly according to an embodiment of the present invention;
FIG. 6 is a schematic perspective view of a rocking support according to another embodiment of the present invention;
FIG. 7 is a front elevation view of a rocking support according to another embodiment of the invention;
fig. 8 is a rear elevation view of a rocking support according to another embodiment of the present invention.
The reference numbers illustrate:
1. a base plate; 2. a fixed hinge support; 3. a vertical rod; 4. an upper diagonal rod; 5. a first connecting rod; 6. a second connecting rod; 7. an inerter; 701. a housing; 702. a rack; 703. a first pinion gear; 704. a bull gear; 705. a second pinion gear; 706. a flywheel; 707. a first connection end; 708. a second connection end; 8. a damper; 801. a first connecting plate; 802. a piston rod; 803. a hydraulic cylinder; 804. an oil storage cylinder; 805. a damping control valve; 806. a second connecting plate; 9. a connecting member; 901. a connecting rod; 902. a cross bar; 903. a shaft cap; 10. a first elastic element; 11. a lower diagonal rod; 12. a bearing; 13. a first connecting shaft; 14. a second connecting shaft; 15. a screw assembly; 1501. a nut; 1502. a screw rod; 1503. a connecting ring; 1504. and a second elastic element.
The implementation, functional features and advantages of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
It should be noted that all the directional indicators (such as the upper and lower … …) in the embodiment of the present invention are only used to explain the relative position relationship, movement, etc. of the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
Moreover, the technical solutions in the embodiments of the present invention may be combined with each other, but it is necessary to be able to be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
Referring to fig. 1 to 8, according to an aspect of the present invention, the present invention provides a rhombic energy dissipation module, which includes two first connecting rods 5 that are arranged in a crossing manner and hinged to each other, wherein the ends of the first connecting rods 5 are connected by second connecting rods 6 to form a first rhombic frame and a second rhombic frame, respectively, and the first connecting rods 5 are hinged to the second connecting rods 6; the connecting point of the first diamond frame and the second diamond frame is a hinge point of the two first connecting rods 5;
the inerter 7 is connected with two opposite ends of the first diamond frame, the damping assembly is connected with two opposite ends of the second diamond frame, and the screw rod assembly 15 is connected with the first diamond frame and the second diamond frame.
In the above embodiment, the rhombic energy dissipation module comprises a first rhombic frame and a second rhombic frame, the inertial container 7 is arranged in the first rhombic frame and can absorb energy, the damping component is arranged in the second rhombic frame and can also absorb and consume energy, the screw rod component 15 is arranged in front of the first rhombic frame and the second rhombic frame and can also absorb energy, the bearing performance of the structure is improved, the first rhombic frame and the second rhombic frame are hinged to enable the first rhombic frame and the second rhombic frame to move relatively, and the first rhombic frame and the second rhombic frame are formed by hinging and connecting the first connecting rod 5 and the second connecting rod 6 which are hinged to each other and have a certain flexible movable connection structure. This embodiment is capable of rotating with each other to absorb and transmit shock when impacted by an earthquake or other load, and absorbs and dissipates energy through the inerter 7, the damping assembly, and the lead screw assembly 15. This embodiment has the effectual advantage of antidetonation. Meanwhile, the embodiment adopts the assembled component, is convenient to replace, and has the advantages of selecting the size of the component, adjusting the damping and the like according to the actual engineering requirement.
In addition, as shown in fig. 1, the inerter 7 can be connected to two opposite ends of a non-hinged point of the first rhombus frame, the damping component is connected to two opposite ends of a non-hinged point of the second rhombus frame, the inerter 7 and the damping component are arranged in parallel and level, and the screw rod component 15 is connected to the first rhombus frame and the second rhombus frame. The length of the first connecting rods 5 can be smaller than that of the second connecting rods 6, and the number of the first connecting rods 5 of the first diamond-shaped frame and the second diamond-shaped frame is two.
Referring to fig. 1, in an embodiment, the damping assembly includes a damper 8, an elastic element one 10 and two connecting pieces 9 respectively connected to two ends of the second diamond frame, two ends of the damper 8 are respectively connected to the two connecting pieces 9, two ends of the elastic element one 10 are respectively connected to the two connecting pieces 9, and the damper 8 and the elastic element one 10 are disposed in parallel and level. Specifically, one end of the connecting member 9 is connected to the second diamond frame, and the other end is connected to the damper 8 and the first elastic member 10. The elastic element I10 can absorb and store energy, and the rhombic energy dissipation module is restored to the original state through the elastic element I10 after the vibration disappears, so that the residual deformation of the rhombic energy dissipation module is reduced. The damper 8 can also play a role in energy consumption, and reduce vibration and deformation of the rhombic energy dissipation module caused by earthquake or other load impact. The damper 8 and the first elastic element 10 are arranged in parallel, so that the damper 8 and the first elastic element 10 can absorb energy and consume energy in the same direction, as shown in figures 6-8, a dotted line frame in the figures represents a rhombic energy dissipation module, and when the rhombic energy dissipation module is arranged on a bracket swinging left and right, the damper 8 and the first elastic element 10 can be arranged in the left and right direction, so that the energy absorption effect can be enhanced. Along with the swinging vibration of the main body structure, the rhombic energy dissipation structure with elastic expansion performance deforms, the damper 8 and the elastic element 10 which are attached to the rhombic energy dissipation structure begin to operate to dissipate energy, and the vibration of the main body structure is reduced.
Referring to fig. 1 and 4, in an embodiment, the connecting member 9 includes a connecting rod 901, and a hinged end and a cross rod 902 respectively disposed at two ends of the connecting rod 901, the hinged end is hinged to the second diamond frame, two ends of the cross rod 902 are disposed with a shaft cap 903, and the damper 8 and the first elastic element 10 are respectively connected to the cross rod 902. Specifically, the hinged end may be a circular end, the cross bar 902 is provided to provide a connection point for the damper 8 and the first elastic element 10, and the cross bar 902 has a certain length, and the two can have a certain interval after being connected without causing mutual influence. The connection point of the damper 8 and the first elastic element 10 is between the two shaft caps 903, ensuring that they do not slip off the cross-bar 902 after connection, especially during shock.
Referring to fig. 1 and 3, in an embodiment, damper 8 includes a first connection plate 801, a piston rod 802, a hydraulic cylinder 803, a reservoir cylinder 804, a damping control valve 805, and a second connection plate 806. The first connecting plate 801 and the second connecting plate 806 are respectively connected with two cross rods 902. The movement of the piston rod 802 causes the fluid inside the hydraulic cylinder 803 to flow, thereby creating viscous fluid damping. The fluid inside the cylinder 803 is squeezed to flow to the reservoir 804 when the piston rod 802 is moved, and then flows back to the cylinder 803, and the fluid in the damper 8 circulates for one cycle when the piston rod 802 completes one cycle of movement. The damping control valve 805 can control the maximum movement range of the piston rod 802, and the damping control valve 805 can effectively alleviate the impact on the top of the piston rod 802 by using silica gel or rubber materials, so that the piston rod 802 is protected, and the service life of the piston rod 802 is prolonged. In the hydraulic cylinder 803, the internal radius or diameter size of the hydraulic cylinder 803 may be selected as desired to determine the volume of fluid within the hydraulic cylinder 803. In reservoir 804, designing different sized coil diameters or radii can control the fluid flow rate and thus the equivalent damping coefficient of viscous fluid damping.
Referring to fig. 1 and 2, in an embodiment, the inerter 7 includes an outer shell 701, and a first connection end 707 and a second connection end 708 respectively disposed at two sides of the outer shell 701, where the first connection end 707 and the second connection end 708 are respectively hinged to two ends of the first diamond frame, a rack 702, a first pinion 703, a second pinion 705, a gearwheel 704, and a flywheel 706 are disposed in the outer shell 701, one end of the rack 702 is connected to the first connection end 707, the other end of the rack 702 is engaged with the first pinion 703, the gearwheel 704 is engaged with the second pinion 705, the first pinion 703 is disposed coaxially with the gearwheel 704, and the second pinion 705 is disposed coaxially with the flywheel 706 to drive the flywheel 706 to rotate. The flywheel 706 has a size larger than the diameter of the first pinion 703, so that when there is relative motion between the two ends of the inerter 7, the linear motion can be converted into rotation of the large flywheel 706, and the final equivalent mass can be several hundred times of the actual physical mass. In the embodiment, based on a geometric nonlinear design, the inertial volume damper 8 is added into the first diamond frame, the energy dissipation capacity of the inertial volume damper 8 is further enlarged, and effective vibration reduction of the diamond energy dissipation module is realized.
Referring to fig. 1 and 5, in an embodiment, the lead screw assembly 15 includes two nuts 1501, a lead screw 1502, two connection rings 1503 and two elastic elements 1504, the connection rings 1503 are clamped between the first connection rod 5 and the second connection rod 6 and connected with the first connection rod and the second connection rod 6 through a bearing 12 and a second connection shaft 14, the connection rings 1501 are welded to the side surfaces of the nuts 1501, the nuts 1501 are disposed at two ends of the lead screw 1502 and can slide up and down along the lead screw 1502, and the elastic elements 1504 are sleeved on the lead screw 1502 and abut against the nuts 1504 at two ends. The second elastic element 1504 can also absorb and store energy, and the rhombic energy dissipation module is restored to the original state through the second elastic element 1504 after the shock disappears, so that the residual deformation of the rhombic energy dissipation module is reduced. When the rhombic energy dissipation module with elastic expansion performance deforms, the nuts 1501 at two ends move up and down along the threads on the screw rod 1502, the elastic element II 1504 abutted to the nuts 1501 starts to operate to dissipate energy, and the vibration reduction capability of the structure is further improved. In addition, prestress can be applied to the second elastic element 1504 according to actual needs, so that the purposes of improving the bearing capacity and the shock resistance of the structure are achieved.
Referring to fig. 6-8, according to another aspect of the present invention, there is also provided a rocking support comprising:
the device comprises a bottom plate 1, a vertical rod 3, an upper inclined rod 4, a lower inclined rod 11 and a fixed hinge support 2, wherein the upper inclined rod 4 and the lower inclined rod 11 are symmetrically arranged relative to the vertical rod 3 respectively, the fixed hinge support 2 is fixed on the bottom plate 1, the top end of the upper inclined rod 4 is hinged to the vertical rod 3, and the bottom end of the lower inclined rod 11 is hinged to the fixed hinge support 2; the energy dissipation device further comprises the rhombic energy dissipation module, and the rhombic energy dissipation module is connected to the bottom end of the upper inclined rod 4 and the top end of the lower inclined rod 11 respectively. The embodiment mainly bears the vertical load transferred by the upper building, has good stability, the rod pieces are connected with each other through the bearing and the connecting piece 9, and can rotate in a plane along with the vibration of the upper building during earthquake, thereby providing a foundation for the deformation and energy consumption of the rhombic energy dissipation module on the rod piece. Because the swing support comprises all the technical schemes of the rhombic energy dissipation module, the swing support at least has all the beneficial effects brought by the technical schemes, and the beneficial effects of the rhombic energy dissipation module are not repeated one by one.
For the swing bracket, specifically, three fixed hinge supports 2 arranged at intervals along the longitudinal center line direction of the plate are welded on a horizontally placed bottom plate 1, bearings 12 are fixed on the fixed hinge supports 2, and in addition, as shown in fig. 3, a first connecting rod and a second connecting rod can also be hinged through another bearing 12. Furthermore, bearings 12 can be fixedly mounted at two ends of the vertical rod 3, two ends of the upper and lower inclined rods 11, two ends of the short connecting rod, two ends of the long connecting rod and the middle part of the long connecting rod, the bottom ends of the vertical rod 3 and the lower inclined rod 11 are hinged with the bottom plate 1, and the upper end of the vertical rod 3 is hinged with the top end of the upper inclined rod 4.
As a specific implementation manner of the above embodiment, the vertical rod 3 is vertically disposed, the upper slanting rod 4 and the lower slanting rod 11 are obliquely disposed and are in the same plane, the bottom end of the lower slanting rod 11 is hinged to the fixed hinged support 2 through the first connecting shaft 13 and the bearing 12, and the top end of the upper slanting rod 4 is hinged to the vertical rod 3 through the second connecting shaft 14 and the bearing 12. Specifically, the vertical rod 3 is vertically arranged in the middle of the bottom plate 1, the bearing 12 at the lower end of the vertical rod is connected with the bearing 12 of the fixed hinged support 2 in the middle of the bottom plate 1 through the first connecting shaft 13, the two lower oblique rods 11 are obliquely and symmetrically arranged on two sides of the vertical rod 3, the bearing 12 at the lower end of the vertical rod is connected with the bearing 12 of the fixed hinged support 2 on two sides of the bottom plate 1 through the first connecting shaft 13, and the vertical rod 3 and the lower oblique rods 11 can freely rotate around the fixed hinged support 2. The two upper inclined rods 4 are also obliquely and symmetrically arranged on two sides of the vertical rod 3 and are positioned on the same plane with the lower inclined rod 11 on one side of the upper inclined rod 4, the top end bearings 12 of the upper inclined rods 4 are connected with the upper end bearings 12 of the vertical rod 3 through second connecting shafts 14 and move left and right along with the vertical rod 3, and the bottom end bearings 12 of the upper inclined rods can also be connected with the rhombic energy dissipation module through another second connecting shaft 14. The above components constitute the general structure of the rocking support. The middle parts of the upper inclined rod 4 and the lower inclined rod 11 are rhombic energy dissipation modules. Therefore, the swinging bracket is formed, and particularly can be a human-shaped swinging bracket.
When the structure is subjected to the action of an earthquake, the humanoid swing support swings left and right, the rhombic structure is compressed or stretched and deformed, and two ends of the inerter 7 generate relative motion to form equivalent amplification mass, so that nonlinear damping with an energy loss amplification function is provided, and the earthquake resistance robustness of the system is improved; the damper 8 and the elastic element I10 are combined with the inerter 7, so that the structure has a tuned damping effect, and meanwhile, the energy dissipation capacity of the damper 8 can be effectively amplified by utilizing the geometric nonlinearity of a diamond structure, so that the system can dissipate more vibration energy under large-amplitude vibration to reduce the vibration amplitude, especially can effectively inhibit the resonance peak amplitude, and is very effective in improving the structural vibration robustness; the second elastic element 1504 on the screw rod assembly 15 can also absorb and store energy, so that the residual deformation of the rhombic energy dissipation module is further reduced, and the bearing capacity and the anti-seismic performance of the structure can be improved by applying prestress. The invention is an assembly structure, all the component sizes and related performance parameters can be selected according to actual engineering requirements, and the invention has the advantages of light weight, modularization and convenience for disassembly.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents made by the claims and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A rhombus energy dissipating module, comprising:
the connecting device comprises two first connecting rods which are arranged in a crossed manner and are hinged with each other, wherein the end parts of the first connecting rods are connected through second connecting rods to form a first diamond-shaped frame and a second diamond-shaped frame respectively, and the first connecting rods are hinged with the second connecting rods; the connecting point of the first diamond-shaped frame and the second diamond-shaped frame is a hinge point of the two first connecting rods;
the device comprises an inertial container, a damping assembly and a screw rod assembly, wherein the inertial container is connected with two opposite ends of a first diamond frame, the damping assembly is connected with two opposite ends of a second diamond frame, and the screw rod assembly is connected with the first diamond frame and the second diamond frame.
2. The rhombic energy dissipation module as claimed in claim 1, wherein the damping assembly comprises a damper, a first elastic element and two connecting pieces connected to two ends of the second rhombic frame respectively, two ends of the damper are connected to the two connecting pieces respectively, two ends of the first elastic element are connected to the two connecting pieces respectively, and the damper and the first elastic element are arranged in a flush mode.
3. A diamond energy dissipation module according to claim 2, wherein the connecting member comprises a connecting rod, and a hinged end and a cross rod respectively arranged at two ends of the connecting rod, the hinged end is hinged with the second diamond frame, two ends of the cross rod are provided with shaft caps, and the damper and the first elastic element are respectively connected to the cross rod.
4. The rhombic energy dissipation module according to claim 3, wherein the damper is a hydraulic damper and comprises a first connecting plate, a piston rod, a hydraulic cylinder, an oil storage cylinder, a damping control valve and a second connecting plate, one end of the piston rod is connected with the first connecting plate and located in the hydraulic cylinder, the oil storage cylinder is fixedly sleeved outside the hydraulic cylinder, and the damping control valve is located at the end part of the hydraulic cylinder and connected with the second connecting plate.
5. A diamond energy dissipating module according to claim 3, wherein the first elastic element is a spring, and both ends of the spring are connected to the two cross bars respectively.
6. The rhombic energy dissipation module according to any one of claims 1 to 5, wherein the inertia container comprises a shell and a first connecting end and a second connecting end which are respectively arranged on two sides of the shell, the first connecting end and the second connecting end are respectively hinged with two opposite ends of the first rhombic frame, a rack, a first pinion, a second pinion, a gearwheel and a flywheel are arranged in the shell, one end of the rack is connected to the first connecting end, the other end of the rack is meshed with the first pinion, the gearwheel is meshed with the second pinion, the first pinion is coaxially arranged with the gearwheel, and the second pinion is coaxially arranged with the flywheel to drive the flywheel to rotate.
7. The rhombic energy dissipation module according to any one of claims 1 to 5, wherein the lead screw assembly comprises a lead screw, two nuts, two connecting rings and a second elastic element, the two nuts are respectively positioned at the upper end and the lower end of the lead screw and can slide along the lead screw, the connecting rings are welded on the side surfaces of the nuts and are respectively hinged with the first connecting rod and the second connecting rod, the elastic element is a spring, and the spring is sleeved on the lead screw and is abutted against the two nuts.
8. The rhombus energy dissipating module of any one of claims 1-5, wherein the inerter connects opposite ends of the first rhombus frame not the hinge point, the damping assembly connects opposite ends of the second rhombus frame not the hinge point, the inerter and the damping assembly are arranged flush, and the lead screw assembly connects the first rhombus frame and the second rhombus frame.
9. A rocking cradle, comprising:
the bottom plate, a vertical rod, an upper inclined rod, a lower inclined rod and a fixed hinged support, wherein the upper inclined rod and the lower inclined rod are respectively and symmetrically arranged relative to the vertical rod;
further comprising diamond-shaped energy dissipating modules according to any one of claims 1 to 8 connected to the bottom ends of the upper and lower inclined rods, respectively.
10. The rocking support of claim 9, wherein the vertical rod is vertically disposed, the upper and lower diagonal rods are obliquely disposed and in the same plane, the bottom end of the lower diagonal rod is hinged to the fixed hinged support via a first connecting shaft and a bearing, and the top end of the upper diagonal rod is hinged to the vertical rod via a second connecting shaft and a bearing.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113530331A (en) * | 2021-07-19 | 2021-10-22 | 重庆大学 | Self-reset module, frame structure with self-reset module and assembling method |
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| CN114045953B (en) | 2022-07-19 |
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