CN114135629B - Damping-adjustable semi-active control three-way vibration isolation device - Google Patents
Damping-adjustable semi-active control three-way vibration isolation device Download PDFInfo
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- CN114135629B CN114135629B CN202111474166.3A CN202111474166A CN114135629B CN 114135629 B CN114135629 B CN 114135629B CN 202111474166 A CN202111474166 A CN 202111474166A CN 114135629 B CN114135629 B CN 114135629B
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- connecting plate
- vibration isolation
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- rubber component
- magnetic liquid
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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
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
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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
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/046—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means using combinations of springs of different kinds
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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
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
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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
- F16F9/53—Means for adjusting damping characteristics by varying fluid viscosity, e.g. electromagnetically
- F16F9/532—Electrorheological [ER] fluid dampers
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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
- F16F2222/00—Special physical effects, e.g. nature of damping effects
- F16F2222/06—Magnetic or electromagnetic
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Vibration Prevention Devices (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The invention discloses a damping-adjustable semi-active control three-way vibration isolation device, which belongs to an object vibration isolation device and comprises a lower connecting plate and an upper connecting plate, wherein an elastic rubber component is arranged between the lower connecting plate and the upper connecting plate, at least one roller is embedded in the elastic rubber component and is arranged on a respective pulley plate, the pulley plate is connected with one end of a pulling wire, the other end of the pulling wire is connected with an alloy wire, the alloy wire is arranged in an adjusting module, magnetic liquid is arranged in the adjusting module, the magnetic liquid is in contact with the alloy wire, and the magnetic liquid is electrically connected with a storage battery through a switch body. Through the elastic rubber component and the roller, the pulley plate and other components arranged in the elastic rubber component, horizontal bidirectional and vertical vibration isolation of an object can be realized, and the characteristics of different deformation degrees of the magnetic liquid in a solid state and a liquid state are utilized, so that the tension between the alloy wire and the pulling wire is changed, and the horizontal rigidity and the damping of the vibration isolation device are adjusted.
Description
Technical Field
The invention relates to an object vibration isolation device, in particular to a damping-adjustable semi-active control three-way vibration isolation device.
Background
In the fields of civil engineering, machinery, aviation and navigation, part of objects or equipment need to be floated, and the floating has the requirement of vibration isolation. At present, after most vibration isolation devices on the market are processed into finished products, the horizontal rigidity, the vertical rigidity and the damping of the vibration isolation devices are not adjustable, so that the vibration isolation devices are generally customized to appointed vibration-isolated objects in use, the mass of the vibration-isolated objects placed on the vibration isolation devices must be limited within a certain range to realize the optimal vibration isolation performance after the rigidity and the damping of the vibration isolation devices are determined, and the vibration isolation devices cannot play the optimal vibration isolation performance when the mass of the vibration-isolated objects is too large or too small. In view of this, it is necessary to research and improve the damping adjustment structure of the aforementioned vibration isolation device.
Disclosure of Invention
One of the objectives of the present invention is to solve the above-mentioned deficiencies, and to provide a damping-adjustable semi-actively controlled three-way vibration isolation device, so as to solve the technical problems that in the prior art, the stiffness, damping and other parameters of the similar devices for floating vibration isolation of objects are not adjustable, and the quality of the vibration-isolated object must be within a specified range during use to exert the best vibration isolation performance.
In order to solve the technical problems, the invention adopts the following technical scheme.
The invention provides a damping-adjustable semi-active control three-way vibration isolation device which comprises a lower connecting plate and an upper connecting plate, wherein an elastic rubber component is arranged between the lower connecting plate and the upper connecting plate, at least one roller is embedded in the elastic rubber component and mounted on respective pulley plates, the pulley plates are connected with one end of a pulling wire, the other end of the pulling wire is connected with an alloy wire, the alloy wire is arranged in an adjusting module, magnetic liquid is arranged in the adjusting module, the magnetic liquid is in contact with the alloy wire, and is electrically connected with a storage battery through a switch body and used for controlling the connection and disconnection of a circuit between the magnetic liquid and the storage battery through the switch body, so that the magnetic liquid is converted between a solid state and a liquid state, the tension of the alloy wire is changed, and the tension between the pulling wire and the pulley plates is changed.
Preferably, the further technical scheme is as follows: a limiting baffle is further installed on the front side of the pulley plate, and the limiting baffle is also embedded in the elastic rubber component.
The further technical scheme is as follows: the storage battery is arranged between the lower connecting plate and the upper connecting plate and is arranged on the outer side of the elastic rubber component.
The further technical scheme is as follows: and a battery protection shell is also arranged on the outer side of the storage battery.
The further technical scheme is as follows: and the upper part of the pulley plate is also provided with a limiting connecting plate.
The further technical scheme is as follows: the edge of the upper connecting plate is also provided with a connector, and the connector is provided with a bulge on the upper connecting plate.
The further technical scheme is as follows: the lower part of the pulley plate is connected with a pulling wire, and the pulling wire is arranged on the lower part of the elastic rubber component.
Compared with the prior art, the invention has the following beneficial effects: the elastic rubber component, the roller, the pulley plate and the like are mounted in the elastic rubber component, so that horizontal bidirectional and vertical vibration isolation of an object can be realized, and the adjusting module, the pulley plate and the pulley are mounted in the elastic rubber component, so that the tension between the alloy wire and the pulling wire is changed by utilizing the characteristic that the solid and liquid deformation degrees of the magnetic liquid are different, and further the horizontal rigidity and the damping of the vibration isolation device are adjusted.
Drawings
Fig. 1 is a schematic structural diagram for explaining an embodiment of the present invention.
Fig. 2 is a first usage state diagram for illustrating an embodiment of the present invention.
Fig. 3 is a second usage state diagram for illustrating one embodiment of the present invention.
In the figure, 1 is an upper connecting plate, 2 is a lower connecting plate, 3 is an elastic rubber component, 4 is a roller, 5 is a pulley plate, 6 is a pulling wire, 7 is an alloy wire, 8 is an adjusting module, 9 is a switch body, 10 is a storage battery, 11 is a limit baffle, 12 is a battery protection shell, 13 is a limit connecting plate, 14 is a connector, 15 is a vibration-isolated object, and 16 is a vibration isolation device.
Detailed Description
The invention is further elucidated with reference to the drawing.
Referring to fig. 1, one embodiment of the present invention is an adjustable damping semi-actively controlled three-way vibration isolation device, which is structurally divided into three parts. The first part is a rubber vibration isolation module which is mainly used for vibration isolation in the vertical direction and mainly comprises a lower connecting plate 2 and an elastic rubber component 3; the second part is a horizontal bidirectional vibration isolation module which is mainly used for horizontal bidirectional vibration isolation and mainly comprises a pulley plate 5, a roller 4 and an upper connecting plate 1; the third part is a horizontal rigidity adjusting module which is mainly used for adjusting the horizontal rigidity of the second part so as to adapt to vibration isolators 15 with different masses and mainly comprises an adjusting module 8, a switch body 9, a storage battery 10, a pulling wire 6 and an alloy wire 7.
As shown in fig. 1, based on the three components, the damping-adjustable semi-active control three-way vibration isolation device in the present embodiment includes a lower connection plate 2 and an upper connection plate 1, and an elastic rubber component 3 is installed between the lower connection plate 2 and the upper connection plate 1, where the elastic rubber component 3 is a cube, and damping of vertical vibration isolation is achieved in the first component by utilizing the resilience toughness of rubber materials. More importantly, at least one roller 4 is embedded in the elastic rubber component 3, for example, as shown in fig. 1, one roller 4 is respectively installed on the left side and the right side of the elastic rubber component 3, the rollers 4 are also installed on the respective pulley plates 5, when horizontal vibration occurs, the pulleys 4 can generate sliding counteracting vibration along the pulley plates 5, the pulley plates 5 are connected with one end of the pulling wire 6, the other end of the pulling wire 6 is connected with the alloy wire 7, and in a normal state, the pulling wire 6 and the alloy wire are in a tight state, that is, the pulling wire 6 and the alloy wire 7 are kept tight between the pulley plates 5 and the adjusting module 8, so that the pulling force is kept between the two. The alloy wire 7 is also required to be arranged in an adjusting module 8, and magnetic liquid is arranged in the adjusting module 8.
The magnetic liquid is a uniform colloidal solution formed by highly dispersing nanometer ultrafine magnetic particles treated by a surfactant in a base liquid, the solution is liquid in a normal state, the solution is changed into a solid state under the influence of an electromagnetic field in a power-on state, and the solid magnetic liquid has better deformation so as to increase rigidity and damping.
By utilizing the characteristics of the magnetic liquid, when the magnetic liquid is in contact with the alloy wire 7 and the magnetic liquid is electrically connected with the storage battery 10 through the switch body 9, the switch body 9 can control the on-off of the circuit between the magnetic liquid and the storage battery 10, so that the magnetic liquid is converted between the solid state and the liquid state, as mentioned above, when the magnetic liquid is changed into the solid state, the damping is increased, a larger deformation amount can be borne, the alloy wire 7 is deformed, the tension of the alloy wire 7 is changed, and the tension between the pulling wire 6 and the pulley plate 5 is changed. Preferably, in order to transmit the tensile force between the alloy wire 7 and the pulling wire 6, the pulling wire 6 is connected to the lower portion of the pulley plate 5, that is, the pulling wire 6 is disposed at the lower portion of the elastic rubber member 3 as shown in fig. 1. Meanwhile, in order to ensure that the magnetic liquid can directly act on the alloy wire 7 to deform the alloy wire 7 during solid-liquid conversion and restore the alloy wire 7 to the initial shape after deformation, the alloy wire 7 can be made of nickel-titanium alloy materials and wound on a steel plate in the adjusting module 8, and in order to ensure the pulling strength of the pulling wire 6, the alloy wire can be made of steel wires.
The nickel-titanium alloy material is different from a common metal material, and the common metal material can leave permanent residual deformation after being subjected to external force and subjected to inelastic deformation and unloading. The nickel-titanium alloy material is called a shape memory alloy because it is inelastically deformed by an external force, and then it returns to its original shape (i.e., pseudo-elasticity) or remains a residual deformation after the external force is removed, but it is also able to return to its original shape (i.e., shape memory effect) after being heated to a certain temperature. The nickel-titanium alloy is used as an intelligent material, has different rigidity and damping (namely, dynamic adjustment of the rigidity and the damping can be realized) under different external force and temperature conditions due to superior mechanical properties such as pseudo-elasticity, shape memory effect and the like, and can be used for realizing semi-automatic control of structural vibration. Based on the above principle, besides the nickel-titanium alloy material, other metal materials with shape memory function can be used to manufacture the alloy wire 7.
In this embodiment, horizontal bidirectional and vertical vibration isolation for an object can be achieved by the elastic rubber component 3 and the roller 4, the pulley plate 5 and other components installed inside the elastic rubber component 3, and by installing the adjusting module 8, the pulley plate 5 and the pulley 4 inside the elastic rubber component 3, the tension between the alloy wire 7 and the pulling wire 6 is changed by utilizing the characteristics of different solid and liquid deformation degrees and rigidity damping of the magnetic liquid and the shape memory of the nickel-titanium alloy wire, so as to adjust the horizontal rigidity and damping of the vibration isolation device.
Still referring to fig. 1, in another embodiment of the present invention, in order to limit the distance of the pulley plate 5 rotating along its axis, a limit baffle 11 is added to the above structure, the limit baffle 11 belongs to the above second part for assisting horizontal bidirectional vibration isolation, the limit baffle 11 is installed on the front side of the pulley plate 5, and in order to correspond to the pulley plate 5, the limit baffle 11 is also embedded in the elastic rubber component 3. Meanwhile, in order to facilitate the installation of the storage battery 10, it may be installed between the lower connection plate 2 and the upper connection plate 1, as can be seen from fig. 1, the storage battery 10 is disposed outside the elastic rubber member 3 when viewed from the side, and correspondingly, a battery protection case 12 may be installed outside the storage battery 10. On the other hand, in order to facilitate the installation of the pulley plate 5 inside the elastic rubber component 3, a limit connection plate 13 may be further installed between the upper part of the pulley plate 5 and the elastic rubber component 3, the limit connection plate 13 belonging to the above-mentioned first part for assisting the vertical vibration isolation, and in particular, the limit connection plate 13 may ensure that the pulley plate 5 is placed in the position of the elastic rubber component 3 and remains unchanged in use. In order to facilitate the placement by the vibration insulation 15, it is also possible to add a connector 14 in the above-mentioned first part, which connector 14 is designed on the edge of the upper connection plate 1 and which connector 14 has a projection on the upper connection plate 1.
Referring to fig. 1 to 3, in practical use, the vibration-isolated object 15 is placed on the vibration-isolating device 16 as shown in fig. 2, and when the lower connecting plate 2 is subjected to vibration load, the vibration isolation is performed vertically by the assembly of the first part, and the damping is realized by the flexibility of the rubber elastic rubber assembly 3 itself; the assembly of the second part carries out horizontal bidirectional vibration isolation, and horizontal vibration isolation is realized by utilizing the rolling of the roller 4 along the pulley plate 5 and combining the pulling force of the pulling wire 6 and the alloy wire 7 between the pulley plate 5 and the adjusting module 8. In addition, for the vibration-isolated object 15 with different mass, the switch body 9 can be closed or opened to switch the magnetic liquid between the solid state and the liquid state, and the pulling force on the alloy wire 7 and the pulling wire 6 in the solid state of the magnetic liquid is greater than the pulling force on the alloy wire 7 and the pulling wire 6 in the liquid state of the magnetic liquid, so the horizontal rigidity and the damping of the second part can be increased in the manner described above for the vibration-isolated object 15 with larger mass. The vibration isolation device has a larger application range to the mass of the object to be isolated. When the mass of the upper part vibration-isolated object is too small, the switch body 9 can be disconnected, the damping of the magnetic liquid is reduced, and the upper part load born by the vibration isolation device can be ensured within a reasonable range, so that the vibration isolation device can play the best vibration isolation performance. On the contrary, when the mass is large, the switch body 9 is closed, the damping of the magnetic liquid is increased, and the upper load born by the vibration isolation device can be ensured within a reasonable range.
In practice, the on and off of the switch body 9 can be controlled by an intelligent detection system, that is, the on and off of the switch body 9 are dynamically adjusted in a self-adaptive manner through a closed control loop of the sensor and the switch body, and then the tension of the alloy wire 7 and the pulling wire 6 is adjusted to meet the requirements of the vibration-isolated objects 15 with different masses, so that the device can always reach or approach the optimal vibration-isolated state, and the floating of the objects is facilitated. In the same manner as described above, two or more vibration isolation devices 16 may be used to isolate the vibration to be isolated 15 in a floating manner as shown in fig. 3.
In addition to the foregoing, it should be noted that reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally throughout this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (4)
1. The utility model provides an adjustable damped semi-active control three-dimensional vibration isolation mounting, includes lower part connecting plate (2) and upper portion connecting plate (1), be installed between lower part connecting plate (2) and upper portion connecting plate (1) elasticity rubber components (3), its characterized in that: at least one roller (4) is embedded into the elastic rubber component (3), the rollers (4) are mounted on respective pulley plates (5), the pulley plates (5) are connected with one end of a pulling wire (6), the other end of the pulling wire (6) is connected with an alloy wire (7), the alloy wire (7) is arranged in an adjusting module (8), magnetic liquid is arranged in the adjusting module (8), the magnetic liquid is in contact with the alloy wire (7), the magnetic liquid is electrically connected with a storage battery (10) through a switch body (9), and the switch body (9) is used for controlling the connection and disconnection of a circuit between the magnetic liquid and the storage battery (10) so that the magnetic liquid is converted between a solid state and a liquid state, the tension of the alloy wire (7) is changed, and the tension between the pulling wire (6) and the pulley plates (5) is changed;
a limiting baffle (11) is further installed on the front side of the pulley plate (5), and the limiting baffle (11) is also embedded in the elastic rubber component (3); the upper part of the pulley plate (5) is also provided with a limiting connecting plate (13); the lower part of the pulley plate (5) is connected with a pulling wire (6), and the pulling wire (6) is arranged at the lower part of the elastic rubber component (3).
2. The adjustable damping semi-actively controlled three-way vibration isolation mounting of claim 1, wherein: the storage battery (10) is arranged between the lower connecting plate (2) and the upper connecting plate (1), and the storage battery (10) is arranged on the outer side of the elastic rubber component (3).
3. The adjustable damping semi-actively controlled three-way vibration isolation mounting of claim 1, wherein: and a battery protection shell (12) is also mounted on the outer side of the storage battery (10).
4. The adjustable damping semi-actively controlled three-way vibration isolation mounting of claim 1, wherein: the edge of the upper connecting plate (1) is also provided with a connector (14), and the connector (14) is provided with a bulge on the upper connecting plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111474166.3A CN114135629B (en) | 2021-12-06 | 2021-12-06 | Damping-adjustable semi-active control three-way vibration isolation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111474166.3A CN114135629B (en) | 2021-12-06 | 2021-12-06 | Damping-adjustable semi-active control three-way vibration isolation device |
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| CN114135629A CN114135629A (en) | 2022-03-04 |
| CN114135629B true CN114135629B (en) | 2023-04-11 |
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