CN111188862B - Horizontal one-way vibration isolation device with quality stabilizer - Google Patents
Horizontal one-way vibration isolation device with quality stabilizer Download PDFInfo
- Publication number
- CN111188862B CN111188862B CN202010087826.1A CN202010087826A CN111188862B CN 111188862 B CN111188862 B CN 111188862B CN 202010087826 A CN202010087826 A CN 202010087826A CN 111188862 B CN111188862 B CN 111188862B
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- Prior art keywords
- vibration isolation
- stabilizer
- mass
- vibration
- unit
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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
- F16F7/00—Vibration-dampers; Shock-absorbers
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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
- F16F15/06—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 metal springs
- F16F15/067—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 metal springs using only wound springs
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a horizontal one-way vibration isolation device with a mass stabilizer, belongs to the technical field of vibration reduction and isolation, and aims to solve the problems that a traditional vibration reduction device and controlled equipment are easy to resonate and the absolute displacement of a protected object is easy to increase. The vibration isolation device comprises a supporting unit, a vibration isolation unit and a multi-tuned mass damper system; the supporting unit is fixedly arranged on the ground, the vibration isolation unit is arranged on the supporting unit in a sliding mode, the multi-tuned mass damper system is arranged on the vibration isolation unit, and the multi-tuned mass damper system is composed of a plurality of tuned mass dampers. The horizontal one-way vibration isolation device with the quality stabilizer can improve the vibration attenuation effect aiming at the ground vibration or the mechanical vibration, enhance the vibration attenuation stability of the whole vibration attenuation device and reduce the displacement of the vibration isolation device.
Description
Technical Field
The invention relates to a vibration isolation and damping device, in particular to a horizontal one-way vibration isolation device with a mass stabilizer, and belongs to the technical field of vibration isolation and damping.
Background
The conventional vibration isolation technology has poor vibration isolation effect on ground vibration or mechanical vibration, the vibration isolation device has low vibration isolation stability, and the vibration isolation or vibration isolation is realized by modifying the rigidity and the number of springs and avoiding the excellent frequency of external unfavorable vibration.
Disclosure of Invention
The invention aims to provide a horizontal one-way vibration isolation device with a mass stabilizer, which solves the problems that the traditional vibration isolation device and controlled equipment are easy to generate resonance and the absolute displacement of a protected object is easy to increase.
A horizontal one-way vibration isolation device with a mass stabilizer comprises a supporting unit, a vibration isolation unit and the mass stabilizer;
the supporting unit is fixedly arranged on the ground, the vibration isolation unit is arranged on the supporting unit in a sliding mode, the quality stabilizer is arranged on the vibration isolation unit, and the output end of the quality stabilizer is in rolling contact with the ground.
Preferably: the supporting unit comprises foot supports and a track, the track is arranged on the ground in parallel through the foot supports, and the vibration isolation unit is arranged on the track in a sliding mode.
Preferably: the track is a linear optical axis.
Preferably: the vibration isolation unit includes the apron, the connecting plate, first spring, fixed plate and guide arm, the apron slides and sets up on the track, the bottom face of apron is equipped with the connecting plate, the both ends of connecting plate are connected with four heel braces through four first springs respectively, the outside of the both sides riser of apron all is equipped with the fixed plate, be connected through a plurality of guide arms between two fixed plates, wherein two guide arms and the both sides riser fixed connection of apron, be equipped with the mass stabilizer between two fixed plates, the output and the ground rolling contact of mass stabilizer.
Preferably: the quality stabilizer comprises a mass block and a second spring, wherein a rolling bearing is arranged at the bottom of the mass block, the mass block is in rolling contact with the ground through the rolling bearing, and two ends of the mass block are respectively connected with the two fixing plates through the second spring.
Compared with the existing product, the invention has the following effects:
the additional mass unit is connected with the upper vibration isolation device, the rolling bearing is arranged at the lower part of the mass stabilizer, the mass of the mass stabilizer can roll on the ground, the mass of the mass stabilizer is borne by the ground, the mass of the mass stabilizer is connected with the upper vibration isolation unit through the spring along the vibration direction, and the mass, the rigidity and the damping of the spring between the mass stabilizer and the upper device are adjusted according to the vibration isolation period and the mass of the upper device, so that the mass stabilizer plays a role of a stabilizer, the kinetic energy of the upper device and protected equipment is converted to the mass stabilizer, on one hand, the vibration isolation stability of the vibration isolation device is enhanced, and meanwhile, the displacement of the vibration isolation device is reduced.
Drawings
FIG. 1 is a schematic structural view of a horizontal unidirectional vibration isolation device with a mass stabilizer;
FIG. 2 is an exploded view of FIG. 1;
fig. 3 is a structural schematic view of the vibration isolating unit;
FIG. 4 is a bottom view of FIG. 3;
fig. 5 is a schematic structural view of the mass stabilizer.
In the figure: 1-supporting unit, 2-vibration isolation unit, 3-mass stabilizer, 4-foot support, 5-track, 6-cover plate, 7-connecting plate, 8-first spring, 9-fixing plate, 10-guide rod, 11-mass block and 12-second spring.
Detailed Description
Preferred embodiments of the present invention are explained in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 5, the horizontal unidirectional vibration isolation device with a mass stabilizer of the present invention comprises a supporting unit 1, a vibration isolation unit 2 and a mass stabilizer 3;
the supporting unit 1 is fixedly arranged on the ground, the vibration isolation unit 2 is arranged on the supporting unit 1 in a sliding mode, the mass stabilizer 3 is arranged on the vibration isolation unit 2, and the output end of the mass stabilizer 3 is in rolling contact with the ground.
Further: the supporting unit 1 comprises a foot support 4 and a track 5, the track 5 is arranged on the ground in parallel through the foot support 4, and the vibration isolation unit 2 is arranged on the track 5 in a sliding mode.
Further: the track 5 is a straight optical axis.
Further: vibration isolation unit 2 includes apron 6, connecting plate 7, first spring 8, fixed plate 9 and guide arm 10, apron 6 slides and sets up on track 5, the bottom face of apron 6 is equipped with connecting plate 7, the both ends of connecting plate 7 are connected with four heel braces 4 through four first springs 8 respectively, the outside of the both sides riser of apron 6 all is equipped with fixed plate 9, be connected through a plurality of guide arms 10 between two fixed plates 9, wherein two guide arms 10 and the both sides riser fixed connection of apron 6, be equipped with quality stabilizer 3 between two fixed plates 9, the output and the ground rolling contact of quality stabilizer 3.
Further: the mass stabilizer 3 comprises a mass block 11 and a second spring 12, a rolling bearing is arranged at the bottom of the mass block 11, the mass block 11 is in rolling contact with the ground through the rolling bearing, and two ends of the mass block 11 are respectively connected with the two fixing plates 9 through the second spring 12.
The vibration isolation device is characterized in that an additionally-added mass unit is connected with an upper vibration isolation device, a mass stabilizer 3 is arranged in the middle of the figure 2 and directly falls on the ground, a rolling bearing is arranged at the lower part of the mass stabilizer to enable the mass stabilizer to roll on the ground, the mass of the mass stabilizer is borne by the ground, the mass stabilizer is connected with the upper vibration isolation unit through a spring in the vibration direction, the mass of the mass stabilizer, the rigidity and the damping of the spring between the mass stabilizer and the upper device are adjusted according to the vibration isolation period and the mass of the upper device, the mass stabilizer plays the role of a stabilizer, the kinetic energy of the upper device and protected equipment is converted to the mass stabilizer, the vibration isolation stability of the vibration isolation device is enhanced on one hand, and the.
Compared with the traditional vibration isolation device, the vibration isolation device has the advantages that the vibration isolation effect is higher, the vibration isolation stability to different types of disturbances is stronger, and the upper displacement of the vibration isolation device is smaller when external excitation is performed.
This embodiment is only illustrative of the patent and does not limit the scope of protection thereof, and those skilled in the art can make modifications to its part without departing from the spirit of the patent.
Claims (3)
1. The utility model provides a take one-way vibration isolation device of level of quality stabilizer which characterized in that: comprises a supporting unit (1), an isolation unit (2) and a mass stabilizer (3);
the supporting unit (1) is fixedly arranged on the ground, the vibration isolation unit (2) is arranged on the supporting unit (1) in a sliding mode, the mass stabilizer (3) is arranged on the vibration isolation unit (2), and the output end of the mass stabilizer (3) is in rolling contact with the ground;
the supporting unit (1) comprises foot supports (4) and rails (5), the rails (5) are arranged on the ground in parallel through the foot supports (4), and the vibration isolation unit (2) is arranged on the rails (5) in a sliding mode;
vibration isolation unit (2) are including apron (6), connecting plate (7), first spring (8), fixed plate (9) and guide arm (10), apron (6) slide to set up on track (5), the bottom face of apron (6) is equipped with connecting plate (7), the both ends of connecting plate (7) are connected with four heel brace (4) through four first spring (8) respectively, the outside of the both sides riser of apron (6) all is equipped with fixed plate (9), be connected through a plurality of guide arm (10) between two fixed plate (9), wherein two guide arm (10) and the both sides riser fixed connection of apron (6), be equipped with quality stabilizer (3) between two fixed plate (9), the output and the ground rolling contact of quality stabilizer (3).
2. The horizontal unidirectional vibration isolation device with the mass stabilizer according to claim 1, wherein: the track (5) is a linear optical axis.
3. The horizontal unidirectional vibration isolation device with the mass stabilizer according to claim 1, wherein: the mass stabilizer (3) comprises a mass block (11) and a second spring (12), a rolling bearing is arranged at the bottom of the mass block (11), the mass block (11) is in rolling contact with the ground through the rolling bearing, and two ends of the mass block (11) are connected with the two fixing plates (9) through the second spring (12) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010087826.1A CN111188862B (en) | 2020-02-12 | 2020-02-12 | Horizontal one-way vibration isolation device with quality stabilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010087826.1A CN111188862B (en) | 2020-02-12 | 2020-02-12 | Horizontal one-way vibration isolation device with quality stabilizer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111188862A CN111188862A (en) | 2020-05-22 |
| CN111188862B true CN111188862B (en) | 2020-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010087826.1A Expired - Fee Related CN111188862B (en) | 2020-02-12 | 2020-02-12 | Horizontal one-way vibration isolation device with quality stabilizer |
Country Status (1)
| Country | Link |
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| CN (1) | CN111188862B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112796432A (en) * | 2021-01-26 | 2021-05-14 | 广州大学 | Internal collision vibration type multi-mass damper |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205207532U (en) * | 2015-12-17 | 2016-05-04 | 中国地震局工程力学研究所 | One -way damping case of assembled based on harmonious mass damper principle |
| CN205780563U (en) * | 2016-05-23 | 2016-12-07 | 福州大学 | Drawing quasi-zero stiffness vibration isolators |
| CN206090281U (en) * | 2016-09-13 | 2017-04-12 | 南京丹枫机械科技有限公司 | Level is to tuned mass damper with adjustable |
| CN206054601U (en) * | 2016-10-08 | 2017-03-29 | 中国地震局工程力学研究所 | It is a kind of to realize each resistance to plucking earthquake isolating equipment for being controlled to frequency respectively |
| CN207032552U (en) * | 2017-05-31 | 2018-02-23 | 浙江工业大学 | The ATMD vibration absorbers of Tuned mass damper composite construction |
| CN208202198U (en) * | 2018-04-03 | 2018-12-07 | 上海建顾减震科技有限公司 | A kind of rolling type universal type horizontal tuned mass damper |
| CN208329248U (en) * | 2018-06-20 | 2019-01-04 | 沈阳建筑大学 | A kind of STF and MRF combined type tuned mass damper |
| CN209509211U (en) * | 2018-12-14 | 2019-10-18 | 南通蓝科减震科技有限公司 | A kind of difunctional tuned mass damper of vertical levels |
| CN110273972B (en) * | 2019-07-08 | 2023-05-23 | 北京金风科创风电设备有限公司 | Damper, tower barrel of wind generating set and wind generating set |
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2020
- 2020-02-12 CN CN202010087826.1A patent/CN111188862B/en not_active Expired - Fee Related
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| CN111188862A (en) | 2020-05-22 |
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