CN112963488A - Inertial capacity energy consumption and efficiency increasing device - Google Patents
Inertial capacity energy consumption and efficiency increasing device Download PDFInfo
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- CN112963488A CN112963488A CN202110329193.5A CN202110329193A CN112963488A CN 112963488 A CN112963488 A CN 112963488A CN 202110329193 A CN202110329193 A CN 202110329193A CN 112963488 A CN112963488 A CN 112963488A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/30—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium with solid or semi-solid material, e.g. pasty masses, as damping medium
- F16F9/303—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium with solid or semi-solid material, e.g. pasty masses, as damping medium the damper being of the telescopic type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/30—Flywheels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
- F16F9/504—Inertia, i.e. acceleration,-sensitive means
Abstract
The invention relates to an inertia capacity energy consumption and efficiency enhancement device which comprises a ball screw type inertia capacity assembly and a viscous damping assembly, wherein the ball screw type inertia capacity assembly comprises a first outer cylinder, a spiral pair and a rotating flywheel, a screw stroke chamber and a flywheel chamber communicated with the outside are arranged in the first outer cylinder, the spiral pair comprises a screw, a nut and a plurality of balls, the viscous damping assembly comprises a second outer cylinder, a guide rod and a piston, the second outer cylinder is connected with the first outer cylinder, a main chamber and an auxiliary chamber which are communicated are arranged in the second outer cylinder, the main chamber is communicated with the screw stroke chamber, the guide rod is connected with the screw, the piston divides the main chamber into the first chamber and the second chamber, and viscous fluid is filled in the first chamber and the second chamber. Compared with the prior art, the device has large output force and long stroke, the double-output-rod structure can avoid the phenomenon of dead jacking, the stability is enhanced, the form is simple and easy to realize, and the device is connected with a spring or a support and the like and then installed in a structure, can generate an asynchronous phase with the structure, and generates energy absorption-energy consumption damping synergy.
Description
Technical Field
The invention belongs to the field of vibration control, and particularly relates to an inertia capacity energy consumption and efficiency increasing device.
Background
At present, inertial capacity elements are generally used as independent devices and are connected with energy consumption devices, springs and the like to form a damping system, and all the elements are designed and processed independently and then put into use. The prior art proposes an inertial mass damper comprising a rotary viscous damping element and an inertial volume element, wherein a cylinder of the viscous damping element part and a ball nut of the inertial volume part synchronously rotate to amplify mass and damping effects, but the inertial volume energy consumption and efficiency enhancement device has a complex mechanism, is difficult to process and implement, and is not popularized and used at present.
The patent CN102494080A proposes an integral shock absorber device with an inertial container and a damper connected in parallel coaxially, however, the device is in a single-rod type, because the volume of the oil cylinder and viscous fluid inside the oil cylinder can not be compressed, when the piston moves, the pressure in the cylinder can change rapidly, the phenomenon of vacuum and jacking occurs in the oil cylinder during the process of withdrawing and retracting the guide rod, the movement of the guide rod is blocked, the output and damping performance is not ideal, the stable and balanced axial stress can not be ensured, and the device is difficult to put into practical use. Meanwhile, because the flywheel is positioned in the inertial container working cavity in the shock absorber device, the transverse width of the whole shock absorber device is larger, the shock absorber device meets the requirement of being suitable for the field of automobile engineering, the arrangement is based on the consideration that the space for arranging the inertial container in a vehicle chassis is smaller, the working stroke of the inertial container and the damping is limited, and the like, the main purpose of integrating the inertial container and the damping is to overcome the defects that the mechanical element arrangement space in the vehicle chassis is smaller and the working stroke is limited, and the damping structure part adopts a piston, a piston rod and a throttle valve to work in a matching way, so that the device has short stroke and limited output force, therefore, the device has small tonnage, short stroke and limited output force, and can not solve the vibration control problem of a large-scale structure.
Disclosure of Invention
The invention aims to provide an inerter energy consumption synergistic device, wherein a viscous damping component moving axially and a ball screw type inerter component moving rotationally are integrated into a whole, the inerter energy consumption synergistic device is connected with a spring or a steel support and then installed in a structure, and energy absorption-energy consumption damping synergy can be generatedEfficiency, under the certain condition of structural deformation, the energy of dissipation is greater than traditional viscous damper to produce better damping effect. And defining a dimensionless parameter of the energy consumption deformation magnification rate a to describe the damping efficiency improvement characteristic of the inertia capacity energy consumption efficiency improvement device, and simultaneously taking the vibration reduction ratio b as an index parameter of the structure vibration reduction effect. Based on a random vibration theory, analytical expressions of random response, energy consumption deformation amplification rate and vibration reduction ratio of a single-degree-of-freedom vibration reduction structure provided with the inerter energy consumption synergistic device are obtained, and a damping synergistic formula of an inerter system is found through mathematical derivation, namely: b2(1+a2C/d) is 1, wherein the energy consumption deformation magnification rate a is the ratio of the deformation of the inerter energy consumption synergistic device to the structural deformation at the installation position, the vibration reduction ratio b is the ratio of the vibration reduction structural response of the inerter energy consumption synergistic device to the original structural response, c is the damping ratio of the inerter energy consumption synergistic device, and d is the inherent damping ratio of the structure.
The inertia capacity coefficient of the ball screw type inertia capacity assembly in the device is a nonlinear function related to geometric parameters and the like, meanwhile, the contribution of friction and the like to energy consumption is considered, and the damping force and the viscous coefficient of the viscous damping assembly also have a nonlinear exponential relationship. The inertia capacity energy consumption synergistic device is in a double-rod form, so that the phenomenon of vacuum or jacking is avoided, and the stability of output is enhanced; meanwhile, the device has the advantages of large output, long stroke, simplicity and easiness in processing, and can be used for vibration control of large civil structures.
The purpose of the invention is realized by the following technical scheme:
an inertial capacity energy consumption and efficiency enhancement device comprises a ball screw type inertial capacity assembly and a viscous damping assembly, wherein the ball screw type inertial capacity assembly comprises an outer barrel, a spiral pair and a flywheel, the outer barrel is hollow and provided with a screw stroke chamber and a flywheel chamber communicated with the outside, the flywheel is rotatably positioned in the flywheel chamber, the spiral pair comprises a screw, a nut and a plurality of balls, the screw movably penetrates through the centers of the screw stroke chamber and the flywheel and extends out of the flywheel chamber, the nut is rotatably arranged between the screw and the flywheel, the balls can be rotatably arranged between the nut and the screw, the viscous damping assembly comprises a second outer barrel, a guide rod and a piston, the second outer barrel is connected with the first outer barrel, the inner part of the second outer barrel is hollow and provided with a main cavity and an auxiliary cavity which are communicated, and the main cavity is communicated with the screw stroke chamber, the guide rod is connected with the screw rod and movably located in the main cavity and the auxiliary cavity.
The guide arm is two play poles, the piston is located between two play poles, and both ends are two play poles and are located the main cavity indoor, the piston is located the main cavity indoor, separates into a room and No. two rooms with the main cavity indoor, it has the viscidity fluid all to fill in a room and No. two rooms. The first and second chambers are variable in volume, particularly as regards the position in which the piston is located in the main chamber. The inertia capacity energy consumption synergistic device has large output and long stroke and is suitable for the vibration control problem of large civil structures.
The nut comprises a nut body and an annular sheath, wherein the nut body and the annular sheath are integrally formed and coaxially arranged, the nut body is arranged between the screw rod and the flywheel, the annular sheath is located on the outer side of the flywheel, and a plurality of channels for containing balls are arranged on the inner side wall of the nut body.
The ball screw type inerter assembly further comprises a flange plate arranged at the end part of the first outer cylinder, an auxiliary cavity used for accommodating the annular sheath is formed between the flange plate and the first outer cylinder, the auxiliary cavity is communicated with the flywheel chamber, and the flange plate and the first outer cylinder can be connected through bolts.
The flywheel and the nut are connected through a hinge joint or a key.
The lead on the screw is kept constant along the axial direction of the screw, so that the inertial volume coefficient can be kept constant.
The viscous damping assembly further comprises a sealing piece arranged at the joint of the main cavity and the screw stroke chamber, and the sealing piece is arranged around the guide rod. The sealing element can be a rubber sealing ring.
The inner diameter of the sealing element is consistent with the outer diameter of the guide rod, so that the sealing effect is guaranteed, and viscous fluid cannot flow into the screw stroke chamber to influence the axial movement of the screw.
The end part of the screw rod, which extends out of the flywheel chamber, is provided with a first lifting lug, and the first lifting lug is provided with a first connecting hole. The lifting lug I is used for being connected with a vibration reduction structure (particularly a large civil structure).
No. two urceolus are equipped with No. two lugs along axial tip, be equipped with No. two connecting holes on No. two lugs. The second lifting lug is used for being connected with a vibration reduction structure (particularly a large civil structure). The relative deformation of the first lifting lug and the second lifting lug can influence the output of the whole device.
The second outer cylinder and the first outer cylinder are coaxially arranged.
No. two urceolus and a urceolus integrated into one piece avoid making ball screw formula inertia appearance subassembly and viscidity damping component phase separation because of the too violent action in the external world in the course of the work, lead to being used to hold the unable work of power consumption increase device.
The screw rod and the guide rod are integrally formed.
The main cavity, the auxiliary cavity, the screw stroke chamber and the flywheel chamber are coaxially arranged, so that the guide rod and the screw can be coaxially arranged, and the condition of unsmooth axial movement can be avoided.
The outer diameter of the flywheel is smaller than the inner diameter of the flywheel chamber, so that the flywheel cannot collide with the inner side wall of the flywheel chamber in the rotating process.
The inner diameter of the flywheel chamber is larger than that of the screw rod stroke chamber, the outer diameter of the flywheel is larger than that of the screw rod stroke chamber, and the inertia force generated by the ball screw rod type inertia capacity assembly during working can be increased by properly increasing the outer diameter of the flywheel.
The outer diameter of the screw is smaller than the inner diameter of the screw stroke chamber, and part of the nut body is also positioned in the screw stroke chamber, namely the axial length of the nut body is larger than that of the flywheel.
The outer diameter of the nut body is consistent with the inner diameter of the screw stroke chamber.
The outer diameter of the piston is consistent with the inner diameter of the main cavity, so that the first chamber and the second chamber cannot be communicated, and the damping force is increased.
The inner diameter of the main cavity is larger than that of the auxiliary cavity, the main cavity is required to contain a piston, and the auxiliary cavity is only required to contain a guide rod.
The outer diameter of the guide rod is consistent with the inner diameter of the auxiliary chamber.
The viscous fluid can be one or more selected from oil, silicon oil or silica gel, the damping force is related to the type of the viscous fluid, different viscous fluids have different viscosities (namely viscosity coefficients), and the damping force and the viscosity of the viscous fluid have a nonlinear relationship.
The invention provides an inerter energy consumption and efficiency enhancement device which is different from the traditional inerter energy consumption and efficiency enhancement device with a viscous damping assembly and an inerter assembly synchronously rotating, and is formed by connecting an axially moving viscous damping assembly and a ball screw type inerter assembly which can axially move and can rotate in parallel, when the inerter energy consumption and efficiency enhancement device is arranged on a vibration damping structure, the relative movement of the vibration damping structure drives the screw to axially move, thereby leading the rotation of the flywheel in the ball screw type inertia assembly and the linear reciprocating motion of the piston in the viscous damping assembly, leading the screw to drive the flywheel to rotate at high speed to realize the mass efficiency enhancement, leading the pressure difference of the piston to lead the viscous fluid to be axially sheared and deformed, therefore, damping force is generated, and the integral energy absorption and energy consumption process is realized by utilizing the inertia vibration absorption of the inertia capacitance element and the energy consumption of the viscous damping element, so that the energy absorption and the energy consumption are integrated in the same device. Specifically, the viscous damping assembly generates a viscous damping force by the flow of the viscous fluid, and the damping force can be expressed as
cdIs viscosity coefficient, alpha is index (alpha is more than or equal to 0.1 and less than or equal to 1),
the relative speed between the first lifting lug and the second lifting lug is obtained; the ball screw type inertia capacity assembly can realize mass efficiency increase, and the inertia force can be expressed as
Wherein
Is the relative acceleration between the first lifting lug and the second lifting lug, and has an inertial volume coefficient (i.e. apparent mass magnification) min(r0，ri，Ld) Is equal to the inner diameter r of the flywheel0Outer diameter riLead L of screwdThe related function, the coefficient of inertia of the linear ball screw type inertia capacity assembly can be ideally expressed as
The coefficient of inertia and several variables of the ball screw inertia assembly are generally non-linear functions when considering the friction contribution and the change in geometry. The inertia capacity energy consumption and efficiency enhancement device provided by the invention aims at the vibration control of a large-tonnage civil structure, the inertia capacity coefficient of a ball screw type inertia capacity assembly in the device and geometric parameters of a plurality of variables are related nonlinear functions, and the damping force and the viscous coefficient of a viscous damping assembly also have nonlinear exponential relationshipin(r0，ri，Ld) The screw is large, and can be realized by prolonging the stroke of the screw, enlarging the radius of the flywheel, properly reducing the thread pitch and the like. The viscous damping assembly moving axially is matched with the ball screw type inertia-capacitance assembly moving rotationally, so that a complete energy absorption and energy consumption process is realized.
The inertial capacity energy consumption synergistic device is clear in mechanism, simple to process and easy to realize, and can be used as a mature product to be processed and selected for reference and selection of engineering designers through the integrated design of parameters of all components so as to effectively control the dynamic response of an engineering structure.
Drawings
FIG. 1 is a schematic diagram of an inertial volume energy consumption enhancing device;
FIG. 2 is a schematic structural view of a section B-B in FIG. 1;
FIG. 3 is a schematic structural view of section C-C of FIG. 1;
FIG. 4 is a schematic diagram of the asynchronous phase principle of the inertial energy consumption enhancing device.
In the figure: 1-a first outer cylinder; 101-a screw stroke chamber; 102-a flywheel chamber; 201-screw rod; 202-a nut; 202A-a nut body; 202B-an annular sheath; 203-a ball bearing; 204-lifting lug I; 205-connection hole number one; 3-a flywheel; 4-a flange plate; 401-an auxiliary chamber; 5-second outer cylinder; 501-first chamber; 502-chamber number two; 503-a sub-chamber; 504-lifting lug II and 505-connecting hole II; 6-a guide rod; 7-a piston; 8-a seal; 9-main structure; 10-steel support; 11-inertia capacity energy consumption synergistic device; 12-deformation of the inertial volume energy consumption synergistic device; 1201-displacement of a first end point of the inerter energy consumption enhancing device; 1202-second endpoint displacement of the inerter energy consumption enhancement device; 13-deformation of the main structure.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments.
Examples
As shown in fig. 1, 2 and 3, an inertia capacity energy consumption enhancing device includes a ball screw type inertia capacity assembly and a viscous damping assembly, a straight arrow in the direction of the ball screw type inertia capacity assembly in fig. 2 points outward to indicate that a screw 201 moves axially outward, a bent arrow indicates that a flywheel 3 is driven by the screw 201 to rotate, a straight arrow in the direction of the viscous damping assembly in fig. 2 points outward to indicate that a second outer cylinder 5 moves axially outward, and a guide rod 6 moves axially in the opposite direction relative to the second outer cylinder 5, so that a piston 7 stirs viscous fluid in a first chamber 501.
The ball screw type inertia assembly comprises a first outer cylinder 1, a screw pair, a flywheel 3 and a flange plate 4, wherein the first outer cylinder 1 is T-shaped, the end with the larger outer diameter is used for arranging the flywheel 3, the first outer cylinder 1 is hollow and is provided with a screw stroke chamber 101 and a flywheel chamber 102 communicated with the outside, the screw stroke chamber 101 is T-shaped, the end with the larger inner diameter is adjacent to a viscous damping assembly, the flywheel 3 is rotatably arranged in the flywheel chamber 102 (the axial length of the flywheel chamber 102 is consistent with the thickness of the flywheel 3), the screw pair comprises a screw 201, a nut 202 and a plurality of balls 203, the screw 201 movably penetrates through the centers of the screw stroke chamber 101 and the flywheel 3 and extends out of the flywheel chamber 102, the lead on the screw 201 is kept unchanged along the axial direction of the screw 201, the nut 202 is rotatably arranged between the screw 201 and the flywheel 3, the flywheel 3 and the nut 202 are connected through hinges or keys, and the plurality of balls 203 can be arranged between the nut 202 and the screw 201 in a, the nut 202 comprises a nut body 202A and an annular sheath 202B which are integrally formed and coaxially arranged, the outer diameter of the annular sheath 202B is larger than that of the nut body 202A, the nut body 202A is arranged between the screw 201 and the flywheel 3, the annular sheath 202B is arranged on the outer side of the flywheel 3, a plurality of channels for containing the balls 203 are arranged on the inner side wall of the nut body 202A, the flange plate 4 is arranged at the end part of the first outer cylinder 1, an auxiliary chamber 401 for containing the annular sheath 202B is formed between the flange plate 4 and the first outer cylinder 1 (the axial length of the auxiliary chamber 401 is consistent with the thickness of the annular sheath 202B, the outer diameter of the annular sheath 202B is smaller than the inner diameter of the auxiliary chamber 401), the auxiliary chamber 401 is communicated with the flywheel chamber 102, a through hole is arranged in the middle part of the flange plate 4 and is matched with the outer diameter of the screw 201, and, a first connecting hole 205 is formed in the first lifting lug 204, and the shape of the first lifting lug 204 can be set according to a specific connected vibration damping structure.
The viscous damping component comprises a second outer cylinder 5, a guide rod 6, a piston 7 and a sealing element 8, the second outer cylinder 5 is connected with a first outer cylinder 1, the second outer cylinder 5 is hollow, a main cavity and an auxiliary cavity 503 which are communicated are arranged, the main cavity is communicated with a screw stroke chamber 101, the guide rod 6 is connected with a screw 201 and movably positioned in the main cavity and the auxiliary cavity 503, the guide rod 6 is a double-out rod, the piston 7 is arranged between the double-out rod, two ends of the piston 7 are coaxial rod pieces with the same diameter, the piston 7 is positioned in the main cavity, the guide rod 6 is divided into a first guide rod which can be inserted into the auxiliary cavity 503 and a second guide rod which is positioned in the main cavity by the piston 7, the axial length of the first guide rod is consistent with the axial length of the auxiliary cavity 503, the main cavity is divided into a first chamber 501 and a second chamber 502 with variable volumes by the piston 7, viscous fluids are filled in the first chamber 501 and the second chamber 502, the sealing element 8 is arranged at the joint of the, the inner diameter of the sealing element 8 is consistent with the outer diameter of the guide rod 6, a second lifting lug 504 is arranged at the end part of the second outer cylinder 5 along the axial direction, a second connecting hole 505 is formed in the second lifting lug 504, and the shape of the second lifting lug 504 can be set according to a specific connected vibration damping structure.
The second outer cylinder 5 and the first outer cylinder 1 are coaxially arranged and integrally formed, the main cavity, the auxiliary cavity 503, the screw stroke cavity 101 and the flywheel cavity 102 are coaxially arranged, the outer diameter of the flywheel 3 is smaller than the inner diameter of the flywheel cavity 102, the inner diameter of the flywheel cavity 102 is larger than the inner diameter of the screw stroke cavity 101, the outer diameter of the screw 201 is smaller than the inner diameter of the screw stroke cavity 101, the outer diameter of the nut body 202A is consistent with the inner diameter of the screw stroke cavity 101, the outer diameter of the piston 7 is consistent with the inner diameter of the main cavity, the inner diameter of the main cavity is larger than the inner diameter of the auxiliary cavity 503, and the outer diameter of the guide rod 6 is consistent with the inner diameter.
As shown in fig. 4, an energy consumption enhancing device 11 is connected with the steel support 10 and installed in the main structure 9. Energy can be absorbed from the main structure 9 into the inerter energy enhancing device 11 through a tuning mechanism and dissipated by the damping assembly. Under the action of external power, the inerter energy consumption synergistic device 11 can generate asynchronous phase with the main structure 9, the deformation 12 of the inerter energy consumption synergistic device is the sum of the displacement 1201 of the first end point of the inerter energy consumption synergistic device and the displacement 1202 of the second end point of the inerter energy consumption synergistic device, and the deformation 12 of the inerter energy consumption synergistic device can be obviously larger than the deformation 13 of the main structure at the installation position, namely the deformation of the inerter energy consumption synergistic device is amplified, so that the energy consumption efficiency of the damping assembly is obviously improved, and high-efficiency energy absorption-energy consumption damping synergistic effect is generated.
As shown in fig. 4, an installation manner of the inertial energy consumption synergistic device 11 in the main structure 9 can generate damping energy consumption synergistic effect of asynchronous phase in fig. 4, but the installation manner is not limited to the form of fig. 4.
In this embodiment, the placement directions of the inertial volume energy consumption enhancing devices shown in fig. 1 and 2 are not unique, and can be selected according to actual situations.
The embodiments described above are described to facilitate an understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (10)
1. The inertia capacity energy consumption synergistic device is characterized by comprising a ball screw type inertia capacity assembly and a viscous damping assembly, wherein the ball screw type inertia capacity assembly comprises an outer barrel (1), a spiral pair and a flywheel (3), the inner part of the outer barrel (1) is hollow and is provided with a screw stroke chamber (101) and a flywheel chamber (102) communicated with the outside, the flywheel (3) is rotatably positioned in the flywheel chamber (102), the spiral pair comprises a screw (201), a nut (202) and a plurality of balls (203), the screw (201) movably penetrates through the centers of the screw stroke chamber (101) and the flywheel (3) and extends out of the flywheel chamber (102), the nut (202) is rotatably arranged between the screw (201) and the flywheel (3), the balls (203) can be arranged between the nut (202) and the screw (201) in a rolling manner, and the viscous damping assembly comprises a second outer barrel (5), Guide arm (6) and piston (7), urceolus (5) and urceolus (1) No. two are connected, No. two inside cavity of urceolus (5) are equipped with main cavity and vice cavity (503) that are linked together, main cavity and screw rod stroke room (101) are linked together, guide arm (6) and screw rod (201) are connected and movably are located main cavity and vice cavity (503).
2. The inertia capacity energy consumption and efficiency enhancement device according to claim 1, wherein the guide rod (6) is a double-out rod, the piston (7) is arranged between the double-out rods, two ends of the piston are coaxial rod pieces with the same diameter, the piston (7) is positioned in the main chamber, the main chamber is divided into a first chamber (501) and a second chamber (502), and viscous fluid is filled in the first chamber (501) and the second chamber (502).
3. An inertia capacity energy consumption synergistic device according to claim 1, wherein the nut (202) comprises a nut body (202A) and an annular sheath (202B) which are integrally formed and coaxially arranged, the nut body (202A) is arranged between the screw rod (201) and the flywheel (3), the annular sheath (202B) is positioned at the outer side of the flywheel (3), and a plurality of channels for accommodating the balls (203) are arranged on the inner side wall of the nut body (202A).
4. The inerter energy consumption and efficiency enhancement device as recited in claim 1, wherein the ball screw inerter assembly further comprises a flange (4) arranged at an end of the first outer cylinder (1), an auxiliary chamber (401) is formed between the flange (4) and the first outer cylinder (1), and the auxiliary chamber (401) is communicated with the flywheel chamber (102);
the flywheel (3) and the nut (202) are connected through a hinge joint or a key;
the lead on the screw (201) is kept constant along the axial direction of the screw (201).
5. An inerter energy consumption enhancement device according to claim 1, wherein the viscous damping assembly further comprises a sealing member (8) disposed at the junction of the main chamber and the screw stroke chamber (101), the sealing member (8) being disposed around the guide rod (6).
6. The inerter energy consumption and efficiency enhancement device is characterized in that a first lifting lug (204) is arranged at the end part of the screw rod (201) extending out of the flywheel chamber (102), and a first connecting hole (205) is formed in the first lifting lug (204);
no. two lugs (504) are arranged at the end part of the No. two outer cylinders (5) along the axial direction, and No. two connecting holes (505) are formed in the No. two lugs (504).
7. An inertia capacity energy consumption synergistic device according to claim 1, wherein the second outer cylinder (5) and the first outer cylinder (1) are coaxially arranged, and the main chamber, the auxiliary chamber (503), the screw stroke chamber (101) and the flywheel chamber (102) are coaxially arranged.
8. An inertia capacity energy consumption enhancing apparatus according to claim 1, wherein the flywheel (3) has an outer diameter smaller than the inner diameter of the flywheel chamber (102), the flywheel chamber (102) has an inner diameter larger than the inner diameter of the screw stroke chamber (101), the screw (201) has an outer diameter smaller than the inner diameter of the screw stroke chamber (101), the piston (7) has an outer diameter corresponding to the inner diameter of the primary chamber, the primary chamber has an inner diameter larger than the inner diameter of the secondary chamber (503), and the guide rod (6) has an outer diameter corresponding to the inner diameter of the secondary chamber (503).
9. The inerter energy consumption and efficiency enhancement device of claim 1, wherein the device is in the form of a double-rod, thereby avoiding vacuum or jacking and enhancing the stability of the output force.
10. The inerter energy consumption and efficiency enhancement device according to claim 1, wherein the device is connected with a spring or a steel support and then installed in a structure, and can generate energy absorption-energy consumption damping efficiency enhancement, compared with a traditional vibration damping device, the damping efficiency enhancement characteristic can absorb energy from the structure into the inerter energy consumption and efficiency enhancement device through a tuning mechanism and dissipate the energy by a damping component, and can generate an asynchronous phase with the structure to amplify the deformation of the inerter energy consumption and efficiency enhancement device and improve the energy consumption efficiency of the damping component, and the dissipated energy is larger than that of a traditional viscous damper under the condition that the structure deforms to a certain extent.
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| CN202110329193.5A CN112963488A (en) | 2021-03-27 | 2021-03-27 | Inertial capacity energy consumption and efficiency increasing device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114351886A (en) * | 2022-01-19 | 2022-04-15 | 同济大学 | Inertial volume coefficient self-adaptive adjustment inertial volume |
| CN114498515A (en) * | 2021-12-15 | 2022-05-13 | 国网山东省电力公司济南供电公司 | Semi-active air pressure inertial volume-hydraulic damping combined type anti-galloping energy consumption device |
| CN114809349A (en) * | 2022-05-19 | 2022-07-29 | 广州大学 | Large-tonnage inertial volume type self-resetting damper with variable apparent mass |
| CN117230911A (en) * | 2023-11-16 | 2023-12-15 | 北京市建筑设计研究院有限公司 | Integrated serial-type inertial damping and shock absorbing device |
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| CN102494080A (en) * | 2011-11-15 | 2012-06-13 | 江苏大学 | Integral shock absorber device of inertial container and damper in coaxial parallel connection |
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| CN114351886A (en) * | 2022-01-19 | 2022-04-15 | 同济大学 | Inertial volume coefficient self-adaptive adjustment inertial volume |
| CN114351886B (en) * | 2022-01-19 | 2022-12-16 | 同济大学 | Be used to container of adaptive control of volume coefficient |
| CN114809349A (en) * | 2022-05-19 | 2022-07-29 | 广州大学 | Large-tonnage inertial volume type self-resetting damper with variable apparent mass |
| CN117230911A (en) * | 2023-11-16 | 2023-12-15 | 北京市建筑设计研究院有限公司 | Integrated serial-type inertial damping and shock absorbing device |
| CN117230911B (en) * | 2023-11-16 | 2024-02-06 | 北京市建筑设计研究院有限公司 | Integrated serial-type inertial damping and shock absorbing device |
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