CN109681577B - Novel torsion damper device - Google Patents
Novel torsion damper device Download PDFInfo
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- CN109681577B CN109681577B CN201910037836.1A CN201910037836A CN109681577B CN 109681577 B CN109681577 B CN 109681577B CN 201910037836 A CN201910037836 A CN 201910037836A CN 109681577 B CN109681577 B CN 109681577B
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- Prior art keywords
- guide rail
- rubber
- rail system
- nut
- supporting
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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
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
- F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
- F16F15/1204—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon with a kinematic mechanism or gear system
- F16F15/1205—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon with a kinematic mechanism or gear system with a kinematic mechanism, i.e. linkages, levers
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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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention relates to the technical field of buildings, bridges, lifeline engineering and the like, in particular to a novel torsional damper device for shock insulation of building engineering, bridge engineering, equipment engineering and major lifeline engineering, which comprises a ball screw, a supporting mechanism, a rubber damper, a rotation preventing rod, an outer sleeve, an upper guide rail system and a lower guide rail system, wherein when horizontal twisting is caused by an earthquake, the upper guide rail system drives the outer sleeve and the supporting seat to rotate, so that a nut on the ball screw rotates, at the moment, a rolling shaft of the ball screw cannot rotate due to the action of the rotation preventing rod at the lower end, but can ascend and descend in the vertical direction to drive the rubber damper to stretch and compress, and the rubber damper has a larger damping function when being stretched and compressed, so that the torsional shock can be reduced, and in addition, the device can ensure that the damper device has a barrier-free position, The horizontal shock absorption function of the shock insulation rubber supporting seat is not influenced by the movement in any horizontal direction.
Description
Technical Field
The invention relates to the technical field of buildings, bridges, lifeline engineering and the like, in particular to a novel torsional damper device for seismic isolation of building engineering, bridge engineering, equipment engineering and major lifeline engineering.
Background
One large destructive earthquake can lead thousands of people to be killed in the earthquake in a large city within a few seconds, hundreds of buildings fall down as ruins, hundreds of bridges collapse, and the earthquake can not only cause the loss of the using function of the earthquake but also cause disastrous consequences due to explosion, fire and environmental pollution when being used as a storage tank of life line engineering.
In building engineering, bridge engineering, equipment engineering and lifeline engineering, although set up rubber shock insulation supporting seat, can play better reduction earthquake effect, nevertheless because the uncertainty of earthquake, like except horizontal earthquake, vertical earthquake, horizontal torsion component etc. in addition, the setting of shock insulation supporting seat also can not guarantee in the fine coincidence of each energy stage barycenter of earthquake and rigid heart, can lead to the shock insulation structure can appear twisting of different degrees in the earthquake like this, how to alleviate the earthquake disaster that the structure twists reverse and bring will be a practical problem that faces in the future.
Disclosure of Invention
The invention aims to provide a novel torsional damper device with a torsional energy dissipation function for use in building seismic isolation engineering, bridge seismic isolation engineering, equipment seismic isolation engineering and lifeline seismic isolation engineering, which can provide the torsional energy dissipation function when the upper and lower structures of a seismic isolation rubber supporting seat perform torsional motion and simultaneously does not hinder the horizontal free motion between the upper and lower parts of the seismic isolation structure.
The invention realizes the purpose by the following technical scheme:
the utility model provides a novel torsional damper device, includes ball, ball includes roller bearing, nut and sets up the ball between roller bearing and nut, still includes:
the supporting mechanism comprises a supporting barrel and a supporting seat which is rotatably arranged on the supporting barrel, a lower guide rail system is arranged at the lower end of the supporting barrel, a through hole is formed in the supporting seat, the rolling shaft penetrates through the through hole to enter the supporting barrel, and the nut is connected with the upper end face of the supporting seat;
the lower end of the rubber damper is connected with the inner wall of the bottom of the supporting barrel, and the upper end of the rubber damper is connected with the rolling shaft;
the supporting barrel and the rubber damper are respectively provided with a through hole matched with the cross section shape of the anti-rotation rod, the rolling shaft is provided with a groove matched with the cross section shape of the anti-rotation rod, one end of the anti-rotation rod is connected with the lower guide rail system, and the other end of the anti-rotation rod sequentially penetrates through the supporting barrel and the rubber damper and extends into the groove of the rolling shaft;
the outer sleeve is connected with the supporting seat, the nut end portion of the ball screw is arranged in the outer sleeve, and the upper end of the outer sleeve is provided with an upper guide rail system.
Furthermore, the upper edge of the support barrel is provided with a raised circular guide rail, and the bottom of the support seat is provided with a sliding groove matched with the circular guide rail.
Further, the cross-section of the anti-rotation rod may be triangular, square or polygonal in shape.
Preferably, the rotation-preventing rod is a square pin.
Furthermore, the rubber damper comprises a first connecting plate, a second connecting plate and a plurality of layers of annular rubber supports which are integrally formed, the first connecting plate is connected with the rolling shaft, and the second connecting plate is connected with the inner wall of the bottom of the supporting barrel.
Furthermore, a third connecting plate is arranged at the top of the rolling shaft and connected with the first connecting plate.
Furthermore, a connecting sleeve for connecting the nut and the supporting seat is arranged on the periphery of the nut.
Furthermore, the upper end and the lower end of the outer sleeve are both provided with outer edges extending outwards, and a plurality of bolt through holes are formed in the outer edges.
Furthermore, the annular rubber support is a high-damping rubber support or an ultrahigh-damping rubber support.
Further, the supporting mechanism, the upper guide rail system, the lower guide rail system, the anti-rotation rod, the connecting sleeve and the outer sleeve can be made of steel, aluminum profiles or other rigid materials.
Furthermore, the upper guide rail system and the lower guide rail system respectively comprise an upper top plate, a lower bottom plate, and a slide rail and a slide block which are arranged between the upper top plate and the lower bottom plate, and the sliding directions of the upper guide rail system and the lower guide rail system are horizontally vertical.
Compared with the prior art, the invention has the beneficial effects that:
the novel torsional damper device is simple and easy to manufacture, when horizontal twisting is caused by an earthquake, the upper guide rail system drives the outer sleeve and the supporting seat to rotate, so that a nut on the ball screw rotates, the roller of the ball screw cannot rotate under the action of the lower end rotation prevention rod at the moment, but can ascend and descend in the vertical direction to drive the rubber damper to stretch and compress, the rubber damper is made of high-damping rubber and has a large damping function when being stretched and compressed, so that torsional shock can be relieved, and in addition, the upper guide rail system and the lower guide rail system in the device can ensure that the damper device can move in an accessible and random horizontal direction, so that the horizontal damping function of the vibration isolation rubber supporting seat is not influenced.
Drawings
Fig. 1 is a schematic structural view of the novel torsional damper apparatus of the present invention.
Fig. 2 is a cross-sectional view of fig. 1.
Fig. 3 is a schematic structural view of the support mechanism of the present invention.
Fig. 4 is a cross-sectional view of fig. 3.
FIG. 5 is a schematic view showing the structure of the rubber damper according to the present invention.
Fig. 6 is a schematic cross-sectional view of fig. 5.
Fig. 7 is a schematic structural view of the ball screw according to the present invention.
Fig. 8 is a schematic structural view of an upper rail system or a lower rail system according to the present invention.
Detailed Description
The invention is described in detail below with reference to the figures and the specific embodiments.
Example 1.
As shown in fig. 1-8, a novel torsional damper device comprises a ball screw 1, a support mechanism 2, a rubber damper 3, an anti-rotation rod 4 and an outer sleeve 5, wherein the ball screw 1 comprises a roller 11, a nut 12 and a ball 13 arranged between the roller 11 and the nut 12, the support mechanism 2 comprises a support barrel 21 and a support seat 22 rotatably arranged on the support barrel 21, a lower guide rail system 6 is arranged at the lower end of the support barrel 21, a through hole 222 is arranged on the support seat 22, the roller 11 penetrates through the through hole 222 and enters the support barrel 21, the nut 12 is connected with the upper end surface of the support seat 22, the lower end of the rubber damper 3 is connected with the inner wall at the bottom of the support barrel 21, the upper end of the rubber damper is connected with the roller 11, the support barrel 21 and the rubber damper 3 are both provided with a through hole 31 matching with the cross-sectional shape of the anti, be provided with on the roller bearing 11 with prevent 4 cross sectional shape assorted recesses 111 of dwang, prevent dwang 4 one end with lower rail system 6 connects, and the other end passes support barrel 21, rubber damper 3 in proper order and stretches into in roller bearing 11's recess 111, outer sleeve 5 with supporting seat 22 connects, ball 1's nut end portion sets up in outer sleeve 5, the 5 upper ends of outer sleeve are provided with upper rail system 7.
When earthquake happens to cause horizontal twisting, the upper guide rail system 7 drives the outer sleeve 5 and the supporting seat 22 to rotate, and further causes the nut 12 on the ball screw 1 to rotate, at the moment, the roller 11 of the ball screw 1 cannot rotate due to the effect of the lower end rotation preventing rod 4, but can ascend and descend in the vertical direction, so that the rubber damper 3 is driven to stretch and compress, the rubber damper 3 is made of high-damping rubber, and has a large damping function when being stretched and compressed, so that the torsional shock can be reduced.
Wherein, support bucket 21 is gone up along being provided with bellied circular guide rail, supporting seat 22 bottom is provided with the spout with circular guide rail assorted.
According to the needs, the shape of preventing dwang 4 cross section can be triangle-shaped, square or polygon, as preferred, prevent that dwang 4 is square pin, and the preparation is convenient, simple structure.
The rubber damper 3 comprises a first connecting plate 32, a second connecting plate 33 and a plurality of layers of annular rubber supports 34 which are integrally formed, the first connecting plate 32 is connected with the rolling shaft 11, the second connecting plate 33 is connected with the inner wall of the bottom of the supporting barrel 21, and when the rubber damper 3 is damaged due to a large earthquake, the rubber damper is convenient to mount and dismount.
Preferably, the top of the roller 11 is provided with a third connecting plate 14, and the third connecting plate 14 is connected with the first connecting plate 32, so as to facilitate the installation and the removal.
Wherein, the periphery of the nut 12 is provided with a connecting sleeve 8 for connecting the nut 12 and the supporting seat 22, in order to strengthen the connection between the nut 12 and the supporting seat 22.
For the mounting and dismounting of the outer sleeve 5, an outer edge extending outwards is arranged at both the upper end and the lower end of the outer sleeve, and a plurality of bolt through holes are arranged on the outer edge and are respectively connected with the upper guide rail system 7 and the supporting seat 22 through screws.
Preferably, the annular rubber mount 34 is a high damping rubber mount or an ultra-high damping rubber mount, which enhances the vertical deformation expansion and contraction and compression amount thereof, and increases the damping function thereof when a large vertical compression and tensile deformation amount occurs.
The support mechanism 2, the upper rail system 7, the lower rail system 6, the anti-rotation rod 4, the connecting sleeve 8 and the outer sleeve 5 can be made of steel, aluminum profiles or other rigid materials according to requirements.
The upper guide rail system 7 and the lower guide rail system 6 both comprise an upper top plate 61(71), a lower bottom plate 62(72), and a slide rail 63(73) and a slide block 64(74) which are arranged between the upper top plate 61(71) and the lower bottom plate 62(72), wherein the sliding direction of the upper guide rail system 7 and the sliding direction of the lower guide rail system 6 are horizontal and vertical, so that barrier-free movement in any horizontal direction of the damper device can be ensured, and the horizontal shock absorption function of adjacent shock-insulation rubber supports is not influenced.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also technical features in the above embodiments or in different embodiments may be combined and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (10)
1. The utility model provides a novel torsional damper device, includes ball, ball includes roller bearing, nut and sets up the ball between roller bearing and nut, its characterized in that still includes:
the supporting mechanism comprises a supporting barrel and a supporting seat which is rotatably arranged on the supporting barrel, a lower guide rail system is arranged at the lower end of the supporting barrel, a through hole is formed in the supporting seat, the rolling shaft penetrates through the through hole and extends into the supporting barrel, and the nut is connected with the upper end face of the supporting seat;
the lower end of the rubber damper is connected with the inner wall of the bottom of the supporting barrel, and the upper end of the rubber damper is connected with the rolling shaft;
the supporting barrel and the rubber damper are respectively provided with a through hole matched with the cross section shape of the anti-rotation rod, the rolling shaft is provided with a groove matched with the cross section shape of the anti-rotation rod, one end of the anti-rotation rod is connected with the lower guide rail system, and the other end of the anti-rotation rod sequentially penetrates through the supporting barrel and the rubber damper and extends into the groove of the rolling shaft;
the outer sleeve is connected with the supporting seat, the nut end portion of the ball screw is arranged in the outer sleeve, and the upper end of the outer sleeve is provided with an upper guide rail system.
2. The novel torsional damper apparatus of claim 1, wherein the supporting barrel is provided with a raised circular guide rail along the upper edge thereof, and the bottom of the supporting seat is provided with a sliding groove matched with the circular guide rail.
3. The novel torsional damper apparatus of claim 1, wherein the shape of the cross-section of the anti-rotation rod is triangular, square or polygonal.
4. The novel torsional damper apparatus of claim 3, wherein the anti-rotation rod is a square pin.
5. The novel torsional damper device of claim 1, wherein the rubber damper comprises a first connecting plate, a second connecting plate and a plurality of layers of annular rubber supports which are integrally formed, the first connecting plate is connected with the roller, and the second connecting plate is connected with the inner wall of the bottom of the support barrel.
6. The novel torsional damper assembly of claim 5 wherein a third web is disposed on top of the roller, said third web being connected to said first web.
7. The novel torsional damper assembly of claim 1 wherein the nut is peripherally provided with a coupling sleeve for coupling the nut to the support base.
8. The novel torsional damper assembly of claim 1 wherein the outer sleeve is provided with outwardly extending outer edges at both the upper and lower ends thereof, said outer edges being provided with a plurality of bolt through holes.
9. The novel torsional damper apparatus of claim 5 wherein the annular rubber mount is a high damping rubber mount or an ultra high damping rubber mount.
10. The novel torsional damper device of claim 1, wherein the upper and lower rail systems each comprise an upper top plate, a lower bottom plate, and a slide rail and a slider disposed between the upper top plate and the lower bottom plate, and the upper rail system is horizontally perpendicular to the sliding direction of the lower rail system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910037836.1A CN109681577B (en) | 2019-01-16 | 2019-01-16 | Novel torsion damper device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910037836.1A CN109681577B (en) | 2019-01-16 | 2019-01-16 | Novel torsion damper device |
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| Publication Number | Publication Date |
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| CN109681577A CN109681577A (en) | 2019-04-26 |
| CN109681577B true CN109681577B (en) | 2020-10-02 |
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| CN201910037836.1A Active CN109681577B (en) | 2019-01-16 | 2019-01-16 | Novel torsion damper device |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110644642A (en) * | 2019-10-09 | 2020-01-03 | 广州大学 | Novel torsion oil damping device |
| CN110644643A (en) * | 2019-10-09 | 2020-01-03 | 广州大学 | Torsion damping shock absorption device |
| CN110645317B (en) * | 2019-10-09 | 2021-09-24 | 广州大学 | Multi-dimensional seismic isolation and reduction device for storage tank |
| CN112944207B (en) * | 2021-02-02 | 2022-05-31 | 浙江大学 | Flexible connecting device for IV-type tube bundle bottle and container frame |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3743025B2 (en) * | 1995-07-19 | 2006-02-08 | 日本精工株式会社 | Damper device for rotary motion |
| JP6392096B2 (en) * | 2014-11-26 | 2018-09-19 | 株式会社免制震ディバイス | Rotating inertia mass damper |
| CN204781414U (en) * | 2015-07-10 | 2015-11-18 | 同济大学 | Harmonious viscid mass damper |
| JP6495795B2 (en) * | 2015-08-28 | 2019-04-03 | 株式会社免制震ディバイス | Mass damper |
| CN106285152B (en) * | 2016-10-18 | 2018-09-18 | 广州大学 | A kind of novel three-dimensional shock isolating pedestal |
| CN106894536A (en) * | 2017-04-10 | 2017-06-27 | 广州大学 | A kind of novel damping oil damper |
| CN206625394U (en) * | 2017-04-10 | 2017-11-10 | 广州大学 | A kind of novel damping oil damper |
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| CN109681577A (en) | 2019-04-26 |
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