CN205153174U - Viscous damper - Google Patents
Viscous damper Download PDFInfo
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- CN205153174U CN205153174U CN201520891521.0U CN201520891521U CN205153174U CN 205153174 U CN205153174 U CN 205153174U CN 201520891521 U CN201520891521 U CN 201520891521U CN 205153174 U CN205153174 U CN 205153174U
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- shell
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- damper
- viscous damper
- viscous
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Abstract
The utility model relates to a viscous damper, viscous damper includes a hollow column shell, is connected with the attenuator piston through the piston rod on the shell, the inside hydro -cylinder that is full of viscous liquid that forms of shell, and the attenuator piston falls into two cavitys with the hydro -cylinder space, it has connecting hole and/or gap to open on the attenuator piston, with two cavity UNICOMs of hydro -cylinder, shell one end welding has a connecting rod, and the outstanding shell of piston rod is located the other end, connecting rod and tailpiece of the piston rod portion all are connected with the rotation head. The utility model discloses but manifold cycles, the accessible increases and decreases viscous damper's length, makes it be applicable to different engineerings, compared with the prior art lighter, it is more convenient to carry, install and demolish, it is simple and easy that technology is made to the simultaneous system, ability and fine the agreeing with of structure, and the cost is low, practices thrift the cost. This for the structural model test viscous damper overcome the shortcoming of current various shock attenuations control.
Description
Technical field
The utility model relates to the shock-damping energy-dissipating effect field of eccentric structure, particularly a kind of viscous damper.
Background technology
Modern architecture modern design, the eccentric structure of function complexity emerges in multitude.But a large amount of seimic disaster census and theoretical research show, reversing seismic response excessive is the one of the main reasons causing structural deterioration, even collapse.At present, the major measure reducing eccentric structure torsion seismic response has three kinds: (1) adjust structure layout, reduces structure eccentric; (2) structure torsional rigidity is increased; (3) control device is set.When building function is determined, the adjustment leeway of topology layout is very little.Increase torsional rigidity and certainly will increase member section, cause joint structure complicated, cost is higher, and can increase geological process further.For this reason, eccentric structure rationally arranges energy-dissipation shock-absorbing damp, utilize modern control theory and method, to reduce the torsion seismic response of eccentric structure, a new approach will be opened up for seismic structural control and design.Initiatively compare with ACTIVE CONTROL with half, then do not need extra power.Therefore, energy-dissipating and shock-absorbing system has unique advantage, and is widely used in engineering structures seismic design.But the shortcoming of existing shock absorption system is: 1, Passive Control energy-dissipating and shock-absorbing technology: when installing quantity is few, effect is little, and quantity cost of many times significantly increases.2, seismic isolation technology: following condition must be possessed: there is larger deformability; There is enough initial stiffnesses and intensity; Can provide larger damping, have larger energy dissipation capacity, volume is comparatively large, and cost is higher, requires high, not easily removes recycling; 3, tuned mass damping technology: from existing example, the quality of tuned mass damping technology generally at several tons to ton up to a hundred, for flexible macrostructure, how arranging tuned mass damping technology is in the structure a concrete problem; 4, initiatively, semi-active control: need initiatively to input energy, reach the effect of damping with this.
Utility model content
For solving above-mentioned prior art Problems existing, the purpose of this utility model is to provide a kind of viscous damper, and it has and repeatedly can circulate, to install and remove and easy to carry with low cost, deft design.
A kind of viscous damper, described viscous damper comprises an open column shape shell, shell is connected with damper piston by piston rod, enclosure forms the oil cylinder being full of viscous liquid, oil cylinder space is divided into two cavitys by damper piston, described damper piston has connecting hole and/or gap, by the Liang Ge cavity UNICOM of oil cylinder; Described shell one end is welded with connecting rod, and piston rod is given prominence to shell and is positioned at the other end, and described connecting rod and piston rod end are all connected with rotary head.
Further, described rotary head can around connecting rod and piston rod rotation, and rotary head has bolt hole along shell radial direction.
Further, described damper piston is pasted outer casing inner wall and is had multiple longitudinal slot.
Further, described damper piston body has multiple connecting hole.
The structural model test viscous damper of this utility model belongs to cylinder formula viscous damper, primarily of formations such as piston rod, piston, oil cylinder, viscous liquid and end connecting devices.Its stroke is ± 20mm, and the damping force under 0.56m/s speed is 5.5kN.Its shock absorption principle is that under dynamic excitation, piston rod moves in cylinder body, forces compression fluid by gap or hole, and then produces damping force.
The utility model compared with prior art has following beneficial effect: 1, in viscous damper, fill viscous liquid, fluid is by producing viscosity resistance during throttle orifice, and viscous damper is relative to structure, and the amount of overstating is less, less to the stiffness effect of structure, and the damping effect of structure can be improved; 2, repeatedly can circulating, by adjusting the length of damper, making it be applicable to different engineering; 3, lighter, carry, install and remove conveniently; 4, the two ends of viscous damper arrange the bolt hole that can turn to, and are conducive to well coincideing with structure and being connected; 5, cost is low, cost-saving.This damper overcomes the shortcoming of existing shock absorption system.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the damper piston sectional view of embodiment 1.
Fig. 3 is the damper piston sectional view of embodiment 2.
Wherein, shell-1, piston rod-2, damper piston-3, oil cylinder-4, connecting hole-5, gap-51, connecting rod-6, rotary head-7, bolt hole-8.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, technical solutions of the utility model are described in further detail:
As shown in Figure 1, a kind of viscous damper, described viscous damper comprises an open column shape shell 1, shell 1 is connected with damper piston 3 by piston rod 2, shell 1 inside forms the oil cylinder 4 being full of viscous liquid, oil cylinder 4 space is divided into two cavitys by damper piston 3, described damper piston 3 has connecting hole 5 and/or gap 51, by the Liang Ge cavity UNICOM of oil cylinder 4; Described shell 1 one end is welded with connecting rod 6, and piston rod 2 is given prominence to shell 1 and is positioned at the other end, and described connecting rod 6 and piston rod 2 end are all connected with rotary head 7.
Further, described rotary head 7 can rotate around connecting rod 6 and piston rod 2, and rotary head 7 has bolt hole 8 along shell radial direction.
Further, described damper piston 3 is pasted shell 1 inwall and is had multiple longitudinal slot 51.
Further, described damper piston 3 body has multiple connecting hole 5.
Embodiment 1:
As shown in Figure 2, a kind of viscous damper, described viscous damper comprises an open column shape shell, shell is connected with damper piston by piston rod, enclosure forms the oil cylinder being full of viscous liquid, oil cylinder space is divided into two cavitys by damper piston, described damper piston has connecting hole and/or gap, by the Liang Ge cavity UNICOM of oil cylinder; Described shell one end is welded with connecting rod, and piston rod is given prominence to shell and is positioned at the other end, and described connecting rod and piston rod end are all connected with rotary head.Described rotary head can around connecting rod and piston rod rotation, and rotary head has bolt hole along shell radial direction.Described damper piston is pasted outer casing inner wall and is had multiple longitudinal slot.
Embodiment 2:
As shown in Figure 3, a kind of viscous damper, described viscous damper comprises an open column shape shell, shell is connected with damper piston by piston rod, enclosure forms the oil cylinder being full of viscous liquid, oil cylinder space is divided into two cavitys by damper piston, described damper piston has connecting hole and/or gap, by the Liang Ge cavity UNICOM of oil cylinder; Described shell one end is welded with connecting rod, and piston rod is given prominence to shell and is positioned at the other end, and described connecting rod and piston rod end are all connected with rotary head.Described rotary head can around connecting rod and piston rod rotation, and rotary head has bolt hole along shell radial direction.Described damper piston is pasted outer casing inner wall and is had multiple longitudinal slot.
Operating principle of the present utility model is: the structural model test viscous damper of this utility model belongs to cylinder formula viscous damper, primarily of formations such as piston rod, piston, oil cylinder, viscous liquid and end connecting devices.Its stroke is ± 20mm, and the damping force under 0.56m/s speed is 5.5kN.Its shock absorption principle is that under dynamic excitation, piston rod moves in cylinder body, forces compression fluid by gap or hole, and then produces damping force.
When using the utility model, first shock-damping structure is being wanted to need the position that damper is set that aperture (aperture size and damper bolts at two ends hole in the same size) is set, then according to the dimensional requirement of works, damper effective length is adjusted, again damper is mounted to the position of installing needed for structure, by bolt connection damper and structure, when having carried out test, remove, same taking-up bolt.The utility model can repeatedly circulate, and by the effective length of damping adjusting device, makes it be applicable to different engineering; Compared with prior art lighter, carry, install and remove convenient; Manufacture craft is simple and easy simultaneously, and well can agree with structure, cost is low, cost-saving.This viscous damper overcomes the shortcoming of existing shockproof control.
The above, be only detailed description of the invention of the present utility model, but protection domain of the present utility model is not limited thereto, and any change of expecting without creative work or replacement, all should be encompassed within protection domain of the present utility model.Therefore, the protection domain that protection domain of the present utility model should limit with claims is as the criterion.
Claims (5)
1. a viscous damper, it is characterized in that, described viscous damper comprises an open column shape shell (1), shell (1) is connected with damper piston (3) by piston rod (2), shell (1) inside forms the oil cylinder (4) being full of viscous liquid, oil cylinder (4) space is divided into two cavitys by damper piston (3), described damper piston (3) has connecting hole (5) and/or gap (51), by the Liang Ge cavity UNICOM of oil cylinder (4); Described shell (1) one end is welded with connecting rod (6), the outstanding shell (1) of piston rod (2) is positioned at the other end, and described connecting rod (6) and piston rod (2) end are all connected with rotary head (7).
2. a kind of viscous damper according to claim 1, it is characterized in that, described rotary head (7) can rotate around connecting rod (6) and piston rod (2), and rotary head (7) has bolt hole (8) along shell radial direction.
3. a kind of viscous damper according to claim 1 and 2, is characterized in that, described damper piston (3) is pasted shell (1) inwall and had multiple longitudinal slot (51).
4. a kind of viscous damper according to claim 1 and 2, is characterized in that, described damper piston (3) body has multiple connecting hole (5).
5. a kind of viscous damper according to claim 1, is characterized in that, the stroke of described viscous damper is ± 20mm, and the damping force under 0.56m/s speed is 5.5kN.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520891521.0U CN205153174U (en) | 2015-11-10 | 2015-11-10 | Viscous damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520891521.0U CN205153174U (en) | 2015-11-10 | 2015-11-10 | Viscous damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205153174U true CN205153174U (en) | 2016-04-13 |
Family
ID=55688886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520891521.0U Expired - Fee Related CN205153174U (en) | 2015-11-10 | 2015-11-10 | Viscous damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205153174U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317158A (en) * | 2018-04-04 | 2018-07-24 | 吉林大学 | A kind of motor-driven variable length link of guide |
| CN109138202A (en) * | 2018-08-29 | 2019-01-04 | 广州大学 | A kind of energy consuming mechanism for wall |
| CN115370031A (en) * | 2022-09-08 | 2022-11-22 | 浙江大地钢结构有限公司 | Viscous fluid damper and steel structure system |
-
2015
- 2015-11-10 CN CN201520891521.0U patent/CN205153174U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317158A (en) * | 2018-04-04 | 2018-07-24 | 吉林大学 | A kind of motor-driven variable length link of guide |
| CN108317158B (en) * | 2018-04-04 | 2023-10-10 | 吉林大学 | Motor-driven variable-length connecting rod with guide rod |
| CN109138202A (en) * | 2018-08-29 | 2019-01-04 | 广州大学 | A kind of energy consuming mechanism for wall |
| CN115370031A (en) * | 2022-09-08 | 2022-11-22 | 浙江大地钢结构有限公司 | Viscous fluid damper and steel structure system |
| CN115370031B (en) * | 2022-09-08 | 2024-06-18 | 浙江大地钢结构有限公司 | Viscous fluid damper and steel structure system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160413 Termination date: 20161110 |