CN111561534A - Servo-type vertical shock absorber and application structure and shock absorption method thereof - Google Patents
Servo-type vertical shock absorber and application structure and shock absorption method thereof Download PDFInfo
- Publication number
- CN111561534A CN111561534A CN202010419768.8A CN202010419768A CN111561534A CN 111561534 A CN111561534 A CN 111561534A CN 202010419768 A CN202010419768 A CN 202010419768A CN 111561534 A CN111561534 A CN 111561534A
- Authority
- CN
- China
- Prior art keywords
- servo
- vibration
- shock absorber
- bridge
- motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/10—Vibration-dampers; Shock-absorbers using inertia effect
- F16F7/1005—Vibration-dampers; Shock-absorbers using inertia effect characterised by active control of the mass
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D12/00—Bridges characterised by a combination of structures not covered as a whole by a single one of groups E01D2/00 - E01D11/00
-
- 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
- F16F2230/00—Purpose; Design features
- F16F2230/18—Control arrangements
Abstract
The invention discloses a servo-type vertical shock absorber and an application structure and a shock absorption method thereof, wherein the shock absorber comprises a motor base plate, a servo motor, an acceleration sensor, a servo system, a traction mechanism and a mass block; in the application structure, at least one servo-type vertical shock absorber is arranged inside or outside the box-type bridge; when the vibration face produces the vibration of vertical direction, acceleration sensor gathers the vertical vibration acceleration value transmission to servo of vibration face, and servo rotates according to information acquisition drive servo motor, and then control quality piece for the up-and-down motion of vibration face: when the vibration surface is accelerated upwards, the mass block moves downwards; when the vibrating surface accelerates downwards, the mass block moves upwards. The invention realizes different energy dissipation in one vibration period through the up-and-down motion amplitude of the mass block, can quickly reduce vibration, and has strong energy dissipation controllability in each vibration period.
Description
Technical Field
The invention relates to the technical field of vibration absorbers, in particular to a servo type vertical vibration absorber combining a servo motor and a mass block, which is applied to the inside and the outside of a box-shaped section of a large-span bridge such as a suspension bridge, a cable-stayed bridge and the like to control vortex-induced vibration and flutter of the bridge.
Background
China is a big bridge country, hundreds of world-leading large-span bridges such as suspension bridges, cable-stayed bridges and the like are built in more than 20 years, and are easy to vibrate under wind load. When wind blows over the bridge, due to different side forms of the bridge, vortex vibration and even flutter vibration are easily generated under different wind speeds, and when the damping of the bridge structure is small, large amplitude is generated, so that a plurality of built bridges generate vertical vibration with different degrees recently, even have a certain amount of torsional motion, and the normal operation of the bridge is influenced when the vibration is serious. The vibration of the bridge is inevitable, how to control the vibration of the bridge in a safe range is a difficult problem for bridge builders, the large-span bridge structure is mostly a steel structure, the damping ratio is only 0.1% -0.5%, and is far less than the damping ratio of the steel structure of the building structure by 2%, which is also an important reason that the vibration amplitude of the bridge is large.
The main direction of the bridge vibration is solved, the optimized bridge section is selected, the wind-generated vibration is reduced, the bridge structure damping is improved, and the vibration absorber or damper is the main form of the bridge vibration reduction. The existing shock absorbers or dampers mainly comprise: viscous liquid tuned mass dampers and eddy current tuned mass dampers. These dampers or dampers are basically passive damping and shock absorption, the damping effect is not very high, and the active controllability is lacking.
With the improvement of the automatic control technology, the automatic control vibration reduction and the damping providing can be adopted, so how to design a vertical vibration reducer and a vibration reduction method which can be applied to a large-span bridge such as a suspension bridge, a cable-stayed bridge and the like based on the idea is a problem which needs to be solved urgently by the technical staff in the field.
Disclosure of Invention
In view of the above, the present invention provides a servo-type vertical damper, which aims to solve the above technical problems.
In order to achieve the purpose, the invention adopts the following technical scheme:
a servo-type vertical shock absorber comprising: the device comprises a motor base plate, a servo motor, an acceleration sensor, a servo system, a traction mechanism and a mass block;
the top surface of the motor bottom plate seat is fixedly connected with the vibration surface;
the servo motor is fixed on the bottom surface of the motor baseplate seat;
the sensing end of the acceleration sensor is fixed on the vibration surface and is used for acquiring the vertical vibration acceleration value of the vibration surface;
the servo system is electrically connected with the servo motor and the acceleration sensor respectively;
the input end of the traction mechanism is connected with the power output shaft of the servo motor and can output the rotary motion of the servo motor into repeated linear motion in the vertical direction;
the mass block is fixedly connected with the output end of the traction mechanism.
According to the technical scheme, data are collected and fed back through a servo system according to information collected by an acceleration sensor, a servo motor is controlled to rotate, a mass block is driven to move up and down, the energy of vibration of a vibration surface is absorbed, and the vibration reduction effect is achieved.
It should be noted that the servo system provided by the invention is a system structure capable of collecting data information of the acceleration sensor and giving instruction feedback to the servo motor, and is a conventional control system structure.
Such as:
the application date is 2018.10.24, and the grant bulletin number is CN209497405U, and the name is AGV servo motor drive control system's utility model patent wherein provides AGV servo motor drive control system, including servo motor, sensor, AGV interface board and host computer control unit, the servo system the same with this application, can realize the corresponding function of this application.
The application date is 2015.10.19, the publication number is CN105252539B, the name is an invention patent of a control system and a method for inhibiting the vibration of a parallel platform based on an acceleration sensor, wherein a three-phase alternating current servo motor, a speed reducer, a driving rod and a driven rod are provided; the three-phase alternating current servo motor is arranged on the fixed platform and distributed in an equilateral triangle shape, the three-phase alternating current servo motor is connected with the speed reducer, the speed reducer is connected with the driving rod through the rotating shaft, the other end of the driving rod is connected with the driven rod through the rotating shaft, the other end of the driven rod is connected with the movable platform through the rotating shaft, and the movable platform is in an equilateral triangle shape; the incremental encoder is adopted to test the position of the active joint, the acceleration sensor is adopted to detect the acceleration of the movable platform and the active rod of the parallel platform, and the controller is comprehensively designed according to the position information and the acceleration information of the active joint to inhibit the vibration of the parallel platform in the motion process or the self-excited vibration during point positioning. The controller of the servo system is the same as the servo system of the application, and the corresponding function of the application can be realized.
The invention discloses an invention patent with application date of 2015.06.03 and an issued publication number of CN104973123B, which is named as a transport vehicle with omnidirectional motion, wherein a corresponding acceleration sensor and a servo motor driver are provided, and the corresponding functions of the invention can be realized.
Therefore, the specific structure of the servo system is conventional in the prior art, and is not the focus of the present invention, and will not be described herein.
It is further emphasized that, in the present invention, there is an alternating positive and negative work operation of the servo motor relative to the mass block; the servo motor always applies negative work relative to the vibration surface and offsets the input energy of the vibration surface, thereby playing a role in vibration reduction.
Preferably, in the above servo-type vertical vibration absorber, the traction mechanism is a steel wire lifting rope; one end of the steel wire lifting rope is fixedly connected with a power output shaft horizontally arranged by the servo motor and wound on the power output shaft, and the other end of the steel wire lifting rope is fixedly connected with the mass block. The power output shaft and the mass block of the servo motor are connected through the steel wire lifting rope, the structure is stable, and the connection is simple and convenient.
Preferably, in the above servo-type vertical vibration absorber, the traction mechanism is a link driving structure.
The link driving structure according to the present invention is a conventional structure capable of converting a rotational motion into a linear motion.
Such as:
the invention discloses a large linear unfolding driving mechanism applied to a spacecraft, which is applied to 2013.08.08 on the filing date and is entitled as CN103457403B, and provides a structure capable of converting the rotary motion of a motor into linear motion.
The invention discloses a double-crank rocker gear and rack transmission device which is named as 2015.09.11 and has an issued publication number of CN105156622B, and provides a structure capable of converting the rotary motion of a motor into linear motion.
Therefore, the specific structure of the link driving structure is a conventional structure in the prior art, and any structure capable of converting rotational motion into linear motion may be adopted, which is not the focus of the present invention and is not described herein again.
Preferably, in the above servo-type vertical vibration absorber, the servo motor is electrically connected to an external power source through a motor power line. The installation and the connection are convenient.
The invention also provides an application structure of the servo-type vertical shock absorber, and at least one servo-type vertical shock absorber is arranged inside or outside the box-type bridge.
Through the technical scheme, the servo-type vertical shock absorber is used in the field of bridge shock absorption, can be applied to the inside and the outside of a box-shaped section of a large-span bridge such as a suspension bridge, a cable-stayed bridge and the like, controls vortex-induced vibration and flutter of the bridge, and can play a remarkable shock absorption effect.
Preferably, in the application structure of the servo vertical shock absorber, the box-type bridge is a suspension bridge or a cable-stayed bridge. The servo vertical shock absorber provided by the invention has a good shock absorption effect on large-span bridges such as suspension bridges, cable-stayed bridges and the like.
Preferably, in the application structure of the servo vertical shock absorber, when the servo vertical shock absorber is installed inside the box-type bridge, the top surface of the motor base plate is fixedly connected with the top surface of the inside of the box-type bridge. The connection structure is simple and convenient.
Preferably, in the application structure of the servo vertical vibration absorber, when the servo vertical vibration absorber is installed outside the box-type bridge, a steel frame is fixed on the outer top surface of the box-type bridge, and the top surface of the motor base plate is fixedly connected with the inner top surface of the steel frame. Can be installed according to different use requirements.
The invention also provides a vibration damping method of the servo-type vertical vibration damper, when the vibration surface generates vertical vibration, the acceleration sensor collects the vertical vibration acceleration value of the vibration surface and transmits the vertical vibration acceleration value to the servo system, the servo system drives the servo motor to rotate according to the collected information, and then the mass block is controlled to move up and down relative to the vibration surface: when the vibration surface is accelerated upwards, the mass block moves downwards; when the vibrating surface accelerates downwards, the mass block moves upwards.
According to the technical scheme, the vibration reduction method provided by the invention has the advantages that the vertical vibration acceleration of the vibration surface is measured through the acceleration sensor, the servo system acquires data and feeds back the data to control the servo motor to rotate, the mass block is driven to move up and down, and the vibration energy of the vibration surface is absorbed to achieve the vibration reduction effect.
Preferably, in the vibration damping method for the servo-type vertical vibration damper, when the traction mechanism is a steel wire lifting rope, the mass block moves downwards, so that the steel wire lifting rope drives the power output shaft of the servo motor to rotate, and the servo motor performs negative work to store energy. The energy storage function can be achieved, and the power resource is saved.
Through the technical scheme, compared with the prior art, the invention discloses and provides the servo-type vertical shock absorber and the application structure and the shock absorption method thereof, and the servo-type vertical shock absorber has the following beneficial effects:
1. the vibration damper provided by the invention has the advantages that the data are acquired and fed back through the servo system according to the information acquired by the acceleration sensor, the servo motor is controlled to rotate, the mass block is driven to move up and down, the energy of vibration of the vibration surface is absorbed, and the vibration damping effect is achieved.
2. The servo vertical vibration absorber is used in the field of bridge vibration absorption, can be applied to the inside and the outside of a box-shaped section of a large-span bridge such as a suspension bridge, a cable-stayed bridge and the like, controls vortex-induced vibration and flutter of the bridge and can play a remarkable vibration absorption effect.
3. The vibration reduction method provided by the invention has the advantages that the vertical vibration acceleration of the vibration surface is measured by the acceleration sensor, the servo system acquires data and feeds back the data to control the servo motor to rotate, the mass block is driven to move up and down, and the vibration energy of the vibration surface is absorbed to achieve the vibration reduction effect.
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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic diagram of a servo-type vertical shock absorber according to the present invention;
FIG. 2 is a schematic structural view of a servo-type vertical shock absorber provided by the present invention installed inside a box-type bridge;
FIG. 3 is a schematic structural view of the servo-type vertical shock absorber provided by the present invention installed outside a box-type bridge;
FIG. 4 is a graph of vibration displacement versus time for a vibration plane in accordance with the present invention;
FIG. 5 is a graph of vibration speed versus time for a vibratory surface provided by the present invention;
FIG. 6 is a graph of vibration acceleration versus time for a vibratory surface in accordance with the present invention;
FIG. 7 is a graph showing the vertical displacement of the proof mass relative to the vibration plane according to the present invention;
FIG. 8 is a graph of the velocity of a mass relative to a plane of vibration provided by the present invention;
fig. 9 is a graph showing the acceleration of the mass relative to the vibration plane according to the present invention.
Wherein:
1-a motor baseplate seat;
2-a servo motor;
3-an acceleration sensor;
4-a servo system;
5-a traction mechanism;
6-mass block;
7-vibration surface;
8-motor power line;
9-a box bridge;
10-steel frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious 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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
referring to fig. 1, an embodiment of the present invention discloses a servo-type vertical damper, including: the device comprises a motor base plate 1, a servo motor 2, an acceleration sensor 3, a servo system 4, a traction mechanism 5 and a mass block 6;
the top surface of the motor base plate seat 1 is fixedly connected with the vibration surface 7;
the servo motor 2 is fixed on the bottom surface of the motor baseplate seat 1;
the sensing end of the acceleration sensor 3 is fixed on the vibrating surface 7 and is used for acquiring the vertical vibration acceleration value of the vibrating surface 7;
the servo system 4 is respectively electrically connected with the servo motor 2 and the acceleration sensor 3;
the input end of the traction mechanism 5 is connected with the power output shaft of the servo motor 4, and can output the rotary motion of the servo motor 2 into repeated linear motion in the vertical direction;
the mass block 6 is fixedly connected with the output end of the traction mechanism 5.
In order to further optimize the technical scheme, the traction mechanism 5 is a steel wire lifting rope; one end of the steel wire lifting rope is fixedly connected with a power output shaft horizontally arranged by the servo motor 2 and wound on the power output shaft, and the other end of the steel wire lifting rope is fixedly connected with the mass block 6.
Alternatively, the traction mechanism 5 may be any link drive structure that can convert a rotational motion into a linear motion.
In order to further optimize the technical scheme, the servo motor 2 is electrically connected with an external power supply through a motor power line 8.
Example 2:
referring to the attached drawing 2, the embodiment of the invention discloses an application structure of a servo-type vertical shock absorber, the servo-type vertical shock absorber provided in the embodiment 1 is installed on a box-type bridge 9 of a suspension bridge or a cable-stayed bridge, the top surface of a motor base plate 1 is fixedly connected with the top surface of the interior of the box-type bridge 9, namely the servo-type vertical shock absorber is installed in the box-type bridge 9.
Example 3:
referring to the attached drawing 3, the embodiment of the invention discloses an application structure of a servo-type vertical damper, the servo-type vertical damper provided in the embodiment 1 is installed on a box-type bridge 9 of a suspension bridge or a cable-stayed bridge, a steel frame 10 is fixed on the external top surface of the box-type bridge 9, and the top surface of a motor base plate 1 is fixedly connected with the internal top surface of the steel frame 10, namely, the servo-type vertical damper is installed outside the box-type bridge 9.
Example 4:
referring to the accompanying drawings 1 to 9, the embodiment of the invention discloses a vibration damping method of a servo-type vertical vibration damper, when a vibration surface 7 generates vertical vibration, an acceleration sensor 3 acquires a vertical vibration acceleration value of the vibration surface 7 and transmits the vertical vibration acceleration value to a servo system 4, the servo system 4 drives a servo motor 2 to rotate according to acquired information, and then a mass block 6 is controlled to move up and down relative to the vibration surface 7: when the vibration surface 7 accelerates upwards, the mass block 6 moves downwards; when vibration surface 7 accelerates downward, mass 6 moves upward.
In order to further optimize the technical scheme, when the traction mechanism 5 is a steel wire lifting rope, the mass block 6 moves downwards, so that the steel wire lifting rope drives the power output shaft of the servo motor 2 to rotate, and the servo motor 2 performs negative work to store energy.
The principle of the damping method of the servo-type vertical damper provided by the embodiment is as follows:
taking vertical simple harmonic vibration as an example, an equation for setting vibration of a vibration surface or a point vibration of a vibration damper on a bridge structure is as follows:
zq＝Aqsin (ω t), see FIG. 4;
wherein A isqAnd setting the vertical amplitude of the shock absorber point for the bridge without considering damping, wherein omega sets the vibration circular frequency of the shock absorber point for the bridge.
The vibration surface or the bridge structure is provided with a vibration damper point with vertical vibration speed as follows:
vq＝Aqω cos (ω t), see FIG. 5.
The vibration surface or the bridge structure is provided with a vibration damper, and the acceleration of the vertical vibration of the vibration damper point is as follows:
aq＝-Aqω2sin (ω t), see fig. 6.
The acceleration sensor measures an acceleration value, the servo system controls the mass block to move up and down relative to the vibration surface or the bridge structure, and the equation is as follows:
zd＝-Adcos (ω t), see fig. 7;
wherein A isdFor the vertical amplitude of the mass relative to the vibrating surface or bridge structure, the absolute displacement of the mass is:
zd0＝-Adcos(ωt)+Aqsin(ωt)。
the mass block moves up and down relative to the vibration surface or the bridge structure, and the velocity equation is as follows:
vd＝Adω sin (ω t), see FIG. 8.
The mass block moves up and down relative to the vibration surface or the bridge structure, and the acceleration equation is as follows:
ad＝Adω2cos (ω t), see fig. 9;
the absolute acceleration is:
ad0＝Adω2cos(ωt)-Aqω2sin(ωt)。
the mass block is subjected to external force as follows:
Fd0＝mzd0＝mAdω2cos(ωt)-mAqω2sin(ωt)；
wherein, -mAqω2sin (ω t) is the force generated by the synchronous displacement of the mass block and the vibration surface or the bridge structure, the work done in one period is basically 0, and only the displacement part of the mass block relative to the vibration surface or the bridge structure is considered as follows:
Fd＝mAdω2cos(ωt)。
the acting force of the mass block on the vibration surface or the bridge structure is opposite to the acting force, and the acting force is as follows:
Fq＝-mAdω2cos(ωt)；
the vibration surface or bridge structure speed is as follows:
vq＝Aqωcos(ωt)；
the work done on the vibration surface or the bridge structure in one vibration period is obtained as follows:
taking the bridge structure as an example, the mass of the bridge section placed on the bridge is M, and the kinetic energy of the bridge section is:
the energy consumed in one cycle is:
πmAdAqω2；
according to the damping vibration equation:
amplitude decreases to Ae after one cycle-2πζThe energy is reduced to the original
When the damping ratio ζ is less than 0.02,
therefore, the temperature of the molten metal is controlled,
obtaining a damping ratio:
such as bridge vibration amplitude Aq0.4m, the mass has an amplitude A relative to the bridge structuredWhen mass M is 0.005 relative to M at 0.2M, a damping ratio is obtained: ζ is 0.0025.
For example, the vibration amplitude of the bridge is controlled to be AqStarting at 0.1m, the mass block has an amplitude A relative to the bridge structuredWhen mass M is 0.005 relative to M at 0.2M, a damping ratio is obtained: ζ is 0.01.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A servo-type vertical shock absorber, comprising: the device comprises a motor base plate (1), a servo motor (2), an acceleration sensor (3), a servo system (4), a traction mechanism (5) and a mass block (6);
the top surface of the motor baseplate seat (1) is fixedly connected with the vibration surface (7);
the servo motor (2) is fixed on the bottom surface of the motor baseplate seat (1);
the sensing end of the acceleration sensor (3) is fixed on the vibration surface (7) and is used for acquiring the vertical vibration acceleration value of the vibration surface (7);
the servo system (4) is respectively and electrically connected with the servo motor (2) and the acceleration sensor (3);
the input end of the traction mechanism (5) is connected with the power output shaft of the servo motor (4), and the rotary motion of the servo motor (2) can be output as repeated linear motion in the vertical direction;
the mass block (6) is fixedly connected with the output end of the traction mechanism (5).
2. A servo-type vertical shock absorber according to claim 1, characterized in that the traction mechanism (5) is a wire rope; one end of the steel wire lifting rope is fixedly connected with a power output shaft horizontally arranged by the servo motor (2) and wound on the power output shaft, and the other end of the steel wire lifting rope is fixedly connected with the mass block (6).
3. A servo-type vertical shock absorber according to claim 1, wherein the traction mechanism (5) is a link drive.
4. A servo-type vertical shock absorber according to claim 1, wherein the servo motor (2) is electrically connected to an external power source via a motor power line (8).
5. Use of a servo vertical shock absorber, characterized in that at least one servo vertical shock absorber according to any of claims 1-4 is installed inside or outside a box bridge (9).
6. The application of a servo vertical shock absorber according to claim 5, characterized in that the box bridge (9) is a suspension bridge or a cable-stayed bridge.
7. The application structure of a servo-type vertical shock absorber according to any one of claims 5 or 6, characterized in that when the servo-type vertical shock absorber is installed inside the box-type bridge (9), the top surface of the motor bedplate (1) is fixedly connected with the inner top surface of the box-type bridge (9).
8. The application structure of a servo-type vertical shock absorber according to any one of claims 5 or 6, characterized in that when the servo-type vertical shock absorber is installed outside the box-type bridge (9), a steel frame (10) is fixed on the external top surface of the box-type bridge (9), and the top surface of the motor base plate (1) is fixedly connected with the internal top surface of the steel frame (10).
9. The damping method of the servo-type vertical damper according to any one of claims 1-4, characterized in that when the vibration surface (7) generates vertical vibration, the acceleration sensor (3) collects vertical vibration acceleration values of the vibration surface (7) and transmits the vertical vibration acceleration values to the servo system (4), and the servo system (4) drives the servo motor (2) to rotate according to the collected information, so as to control the mass block (6) to move up and down relative to the vibration surface (7): when the vibration surface (7) accelerates upwards, the mass block (6) moves downwards; when the vibration surface (7) accelerates downwards, the mass block (6) moves upwards.
10. The method for damping the servo-type vertical vibration damper according to claim 9, characterized in that when the traction mechanism (5) is a steel wire suspension rope, the mass block (6) moves downwards, so that the steel wire suspension rope drives the power output shaft of the servo motor (2) to rotate, and the servo motor (2) stores energy by negative work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010419768.8A CN111561534A (en) | 2020-05-18 | 2020-05-18 | Servo-type vertical shock absorber and application structure and shock absorption method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010419768.8A CN111561534A (en) | 2020-05-18 | 2020-05-18 | Servo-type vertical shock absorber and application structure and shock absorption method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111561534A true CN111561534A (en) | 2020-08-21 |
Family
ID=72074828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010419768.8A Pending CN111561534A (en) | 2020-05-18 | 2020-05-18 | Servo-type vertical shock absorber and application structure and shock absorption method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111561534A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112853925A (en) * | 2021-01-11 | 2021-05-28 | 大连理工大学 | Hang down and swing board active control device of suppression cross-sea bridge flutter |
-
2020
- 2020-05-18 CN CN202010419768.8A patent/CN111561534A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112853925A (en) * | 2021-01-11 | 2021-05-28 | 大连理工大学 | Hang down and swing board active control device of suppression cross-sea bridge flutter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Zhang et al. | A renewable energy harvesting system using a mechanical vibration rectifier (MVR) for railroads | |
| CN103233529B (en) | A kind of three-dimensional tuned mass damper device with draw-in groove | |
| US8446022B2 (en) | Shock absorbing system for energy recycling | |
| CN103938751B (en) | Self-powered semi-active tuned mass damper | |
| EP2696098A1 (en) | Vibration-damping device, wind turbine device, and vibration-damping method | |
| CN203834722U (en) | Self-powered type semi-active tuned mass damper | |
| RU2719844C1 (en) | Inertial damper and oscillation amplitude decreasing method | |
| CN206770100U (en) | A kind of combined type Wave energy collecting device | |
| CN111561534A (en) | Servo-type vertical shock absorber and application structure and shock absorption method thereof | |
| CN104723819B (en) | Electric energy can be produced, actively control energy regenerative vibration absorber and energy capture method thereof | |
| CN104617815B (en) | Piezoelectricity electric power facility collecting wind energy | |
| CN105650194B (en) | Vane type power consumption tuning vibration absorber | |
| CN104631322A (en) | Passive spring-damping negative stiffness damper for inhaul cable vibration mitigation | |
| CN111868379A (en) | Electrical energy generator device | |
| CN212657163U (en) | Servo-type vertical shock absorber and application structure thereof | |
| CN209941949U (en) | Tuned electromagnetic inerter damper | |
| CN111852771B (en) | Small wind power generation device and method adaptive to wind direction and wind speed | |
| CN102327174B (en) | Calibrating and testing device for performance of rehabilitation training robot | |
| CN206602499U (en) | A kind of double-shaft solar tracking generation device based on ultrasonic motor | |
| CN207740117U (en) | The magnetic suspension wind yaw device of main passive coordinated regulation | |
| CN109209802A (en) | A kind of energy collecting device, methods and applications | |
| CN203230528U (en) | Tidal energy power generation unit | |
| CN110119561B (en) | Single-vibration-body vibration system and synchronous characteristic analysis method | |
| CN205278235U (en) | Inner gearing epicyclic train formula variable flywheel | |
| CN110108426B (en) | Double-vibrating-body vibration system and synchronous characteristic analysis method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201201 Address after: 100088 Beijing city Haidian District Xitucheng Road No. 33 Applicant after: CENTRAL RESEARCH INSTITUTE OF BUILDING AND CONSTRUCTION CO., LTD. MCC Group Applicant after: CHINA JINGYE ENGINEERING Corp.,Ltd. Applicant after: China Metallurgical Industry Group Co., Ltd Address before: 100088 Beijing city Haidian District Xitucheng Road No. 33 Applicant before: CENTRAL RESEARCH INSTITUTE OF BUILDING AND CONSTRUCTION CO., LTD. MCC Group Applicant before: CHINA JINGYE ENGINEERING Corp.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210107 Address after: 100088 Beijing city Haidian District Xitucheng Road No. 33 Applicant after: CENTRAL RESEARCH INSTITUTE OF BUILDING AND CONSTRUCTION CO., LTD. MCC Group Applicant after: CHINA JINGYE ENGINEERING Corp.,Ltd. Applicant after: China Metallurgical Industry Co., Ltd Address before: 100088 Beijing city Haidian District Xitucheng Road No. 33 Applicant before: CENTRAL RESEARCH INSTITUTE OF BUILDING AND CONSTRUCTION CO., LTD. MCC Group Applicant before: CHINA JINGYE ENGINEERING Corp.,Ltd. |