CN110836232A - Quasi-zero rigidity damping device - Google Patents
Quasi-zero rigidity damping device Download PDFInfo
- Publication number
- CN110836232A CN110836232A CN201911281779.8A CN201911281779A CN110836232A CN 110836232 A CN110836232 A CN 110836232A CN 201911281779 A CN201911281779 A CN 201911281779A CN 110836232 A CN110836232 A CN 110836232A
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- China
- Prior art keywords
- steel wire
- platform
- base
- connecting sleeve
- guide rod
- 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
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Classifications
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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
- F16F3/00—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic
- F16F3/02—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of steel or of other material having low internal friction
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention relates to a quasi-zero stiffness damping device, which comprises a base and an upper shell, wherein the upper shell is in threaded connection with the base, the upper shell can be locked and fixed on the base through a locking ring, a damper is connected in the base and comprises an upper platform and a lower platform, a plurality of steel wire ropes are connected between the upper platform and the lower platform, the lower end of the upper platform is connected with a guide rod, the lower end of the guide rod is penetrated into a connecting guide seat on the lower platform, the lower end of the guide rod is connected with a spring support seat, a reset spring is sleeved between the spring support seat and a top plate of the guide seat, the upper end of the upper platform is connected with a steel wire gauze inner connecting sleeve, the upper end of the steel wire gauze inner connecting sleeve penetrates through a through hole on the upper shell and is fixedly connected with an upper mounting table, a steel wire gauze pad is sleeved outside the steel wire gauze inner connecting sleeve, the shock absorber is pre-compressed, the rigidity of the shock absorber tends to be a horizontal straight line, and the shock absorbing device can stop the shock rapidly.
Description
Technical Field
The invention relates to a damping device, in particular to a quasi-zero stiffness damping device.
Background
The spring damper is a device for absorbing vibration, and the traditional spring damper has the problem that the spring damper is not easy to stop after vibration
Disclosure of Invention
The applicant aims at the defects and carries out research and improvement to provide a quasi-zero stiffness damping device.
The technical scheme adopted by the invention is as follows:
a quasi-zero stiffness damping device comprises a base and an upper shell, wherein the upper shell is in threaded connection with the base, the upper shell can be locked and fixed on the base through a locking ring, a damper is connected in the base and comprises an upper platform and a lower platform, a plurality of steel wire ropes for damping are connected between the upper platform and the lower platform, the lower end of the upper platform is connected with a guide rod, the lower end of the guide rod penetrates into a connecting guide seat on the lower platform, the lower end of the guide rod is connected with a spring support seat, a reset spring is sleeved between the spring support seat and a top plate of the guide seat, the upper end of the upper platform is connected with a steel wire mesh pad inner connecting sleeve, the upper end of the steel wire mesh pad inner connecting sleeve penetrates through a through hole in the upper shell and is fixedly connected with an upper mounting platform, a steel wire mesh pad is sleeved outside the steel wire mesh pad inner connecting sleeve, the through hole on the upper shell is positioned in the limiting groove.
As a further improvement of the above technical solution:
the shock absorber passes through the lower platform through a bolt and is detachably connected with the base.
The upper mounting table is detachably connected with the inner connecting sleeve of the steel wire mesh pad through a bolt.
The invention has the following beneficial effects: 1) the damping device pre-compresses the damper, the rigidity of the damper tends to a horizontal straight line, the rigidity can not change in the pre-compression bearing range, and the rigidity hardly changes when the rigidity exceeds the bearing range; 2) go up shell threaded connection base, rotate the base and can adjust the shell from top to bottom, make the through-hole of going up the shell be located the spacing groove middle part of wire mat, can prevent through the wire mat that resonance point from enlargiing, can make the bumper shock absorber stop fast.
Drawings
Fig. 1 is a schematic structural view of a quasi-zero stiffness damping device provided by the present invention.
Fig. 2 is a schematic structural view of a shock absorber of a quasi-zero stiffness damping device provided by the present invention.
In the figure: 1. a base; 2. an upper housing; 21. a through hole; 3. locking the lock ring; 4. a shock absorber; 41. an upper platform; 42. a lower platform; 43. a wire rope; 44. a guide bar; 441. a spring support seat; 45. a guide seat; 46. a return spring; 5. the steel wire mesh pad is internally connected with a sleeve; 51. a steel wire mesh mat; 511. a limiting groove; 6. and (4) mounting a platform.
Detailed Description
The following describes a specific embodiment of the present embodiment with reference to the drawings.
As shown in fig. 1 and 2, the quasi-zero stiffness damping device of this embodiment includes a base 1 and an upper housing 2, the upper housing 2 is screwed on the base 1, and the upper housing 2 can be locked and fixed on the base 1 by a locking ring 3, a damper 4 is connected in the base 1, the damper 4 includes an upper platform 41 and a lower platform 42, the damper 4 passes through the lower platform 42 by a bolt to be detachably connected with the base 1, a plurality of steel wire ropes 43 for damping are connected between the upper platform 41 and the lower platform 42, a guide rod 44 is connected at the lower end of the upper platform 41, the lower end of the guide rod 44 passes through a connecting guide seat 45 on the lower platform 42, a spring support seat 441 is connected at the lower end of the guide rod 44, a return spring 46 is sleeved between the spring support seat 441 and a top plate of the guide seat 45, an inner connecting sleeve 5 of a steel wire gauze is connected at the upper end of the upper platform 41, the upper end of the inner connecting sleeve, and connect installation platform 6 through bolt detachable, steel wire mat 51 is established to 5 outside cover in the steel wire mat nipple, and the steel wire mat 51 outside sets up spacing groove 511, goes up through-hole 21 on the shell 2 and is located spacing groove 511.
When the quasi-zero stiffness damping device is installed, firstly, the damper 4 is fixed on the base 1 through bolts, then the steel wire mesh pad 51 is sleeved outside the steel wire mesh pad inner connecting sleeve 5, then the upper shell 2 is connected on the base 1 through the threads, the steel wire mesh pad inner connecting sleeve 5 and the steel wire mesh pad 51 penetrate through the through hole 21 of the upper shell 2 and extend to the upper end of the upper shell 2, the through hole 21 of the upper shell 2 is positioned in the limiting groove 511 of the steel wire mesh pad 51, then the upper shell 2 is rotationally adjusted, the through hole 21 of the upper shell 2 is positioned in the middle of the limiting groove 511 of the steel wire mesh pad 51, namely, the adjustment of the upper shell 2 is completed, after the adjustment is completed, the upper shell 2 is fixedly connected on the base 1 through the locking lock ring 3, the assembly of the damping device can be completed, after the assembly, the damping device can be connected with damping equipment through the upper mounting table 6 and the base 1, after the installation, and damping device during operation can prevent through wire mat 51 that resonance point from enlargiing, can make damping device stop fast.
The foregoing description is illustrative of the present invention and is not to be construed as limiting thereof, the scope of the invention being defined by the appended claims, which may be modified in any manner without departing from the basic structure thereof.
Claims (3)
1. The utility model provides a quasi-zero rigidity damping device which characterized in that: the shock absorber comprises a base (1) and an upper shell (2), wherein the upper shell (2) is in threaded connection with the base (1), the upper shell (2) can be locked and fixed on the base (1) through a locking ring (3), a shock absorber (4) is connected in the base (1), the shock absorber (4) comprises an upper platform (41) and a lower platform (42), a plurality of steel wire ropes (43) used for shock absorption are connected between the upper platform (41) and the lower platform (42), the lower end of the upper platform (41) is connected with a guide rod (44), the lower end of the guide rod (44) penetrates into a connecting guide seat (45) on the lower platform (42), the lower end of the guide rod (44) is connected with a spring support seat (441), a reset spring (46) is sleeved between the guide rod (44) and a top plate of the spring support seat (441) and the guide seat (45), the upper end of the upper platform (41) is connected with a steel wire gauze inner connecting sleeve (5), through-hole (21) on last shell (2) are passed to steel wire mat inner connecting sleeve (5) upper end to fixed connection goes up mounting table (6), steel wire mat (51) are established to steel wire mat inner connecting sleeve (5) outside cover, the steel wire mat (51) outside sets up spacing groove (511), through-hole (21) on going up shell (2) are located spacing groove (511).
2. The quasi-zero stiffness vibration damping device of claim 1, wherein: the shock absorber (4) passes through the lower platform (42) through a bolt and is detachably connected with the base (1).
3. The quasi-zero stiffness vibration damping device of claim 2, wherein: the upper mounting table (6) is detachably connected with the steel wire gauze pad inner connecting sleeve (5) through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911281779.8A CN110836232A (en) | 2019-12-13 | 2019-12-13 | Quasi-zero rigidity damping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911281779.8A CN110836232A (en) | 2019-12-13 | 2019-12-13 | Quasi-zero rigidity damping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110836232A true CN110836232A (en) | 2020-02-25 |
Family
ID=69578458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911281779.8A Pending CN110836232A (en) | 2019-12-13 | 2019-12-13 | Quasi-zero rigidity damping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110836232A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111998025A (en) * | 2020-07-22 | 2020-11-27 | 同济大学 | Torsion quasi-zero rigidity vibration isolation structure with flexibility |
-
2019
- 2019-12-13 CN CN201911281779.8A patent/CN110836232A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111998025A (en) * | 2020-07-22 | 2020-11-27 | 同济大学 | Torsion quasi-zero rigidity vibration isolation structure with flexibility |
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