CN202577650U - Rotary viscous fluid damper - Google Patents
Rotary viscous fluid damper Download PDFInfo
- Publication number
- CN202577650U CN202577650U CN 201220206988 CN201220206988U CN202577650U CN 202577650 U CN202577650 U CN 202577650U CN 201220206988 CN201220206988 CN 201220206988 CN 201220206988 U CN201220206988 U CN 201220206988U CN 202577650 U CN202577650 U CN 202577650U
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- China
- Prior art keywords
- fairlead
- guide sleeve
- viscous fluid
- rotating shaft
- cavity block
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Abstract
The utility model relates to the field of a damper design, in particular to a rotary viscous fluid damper. The rotary viscous fluid damper comprises a cylinder body, a front guide sleeve, a rear guide sleeve, a cavity dividing block, a rotating blade and a rotary shaft, wherein the front guide sleeve and the rear guide sleeve are respectively installed at two corresponding front and rear ends of the cylinder body to form an enclosed space; the rotating blade, the rotary shaft and the cavity dividing block are arranged in the enclosed space at the same time; one end of the rotary shaft penetrates through the central point of the front guide sleeve, and the other end of the rotary shaft is movably connected with the central point of the rear guide sleeve; the rotating blade is installed at the side face of the rotary shaft; the cavity dividing block is simultaneously connected with the front guide sleeve and the rear guide sleeve, and the enclosed space is divided into spaces with equal sizes through the cavity dividing block; a damping hole is formed in the rotating blade; and a damping medium is filled in the enclosed space. The technical scheme is applied, so that the damping effect is good, and the size is smaller.
Description
Technical field
The utility model relates to the damper designs field, relates in particular to a kind of rotary viscous fluid damper.
Background technology
The energy-dissipating and shock-absorbing technology is that some nonload bearing element of bar structure is designed to energy dissipation component, or at some position of structure the usefulness parts is set; When wind or little shake, structure is in elastic stage, and energy dissipation component or energy dissipation component can increase the rigidity of structure; When rarely occurred earthquake, energy dissipating energy dissipation component or energy dissipation component produce bigger damping, earthquake energy, thus reduce the dynamic response of agent structure, avoid agent structure to produce big plastic strain and wreck.The main energy dissipation component of having developed both at home and abroad at present has: various types of frcition dampers that are installed in the support, mild steel and alloy damper, lead damper, viscoelastic damper, damping oil device etc.
Existing viscous fluid damper generally is made up of oil cylinder, piston, piston rod, damping material and guide rod, and piston can be reciprocating in oil cylinder, has aperture on the piston as damping hole; Fill damping material in the oil cylinder,, be subjected to displacement between construction level when earthquake or wind shake when taking place; Driven plunger moves back and forth in oil cylinder; Drive damping material through aperture on the piston or the gap between oil cylinder and the piston, damping material can produce a large amount of heats, will shake (shaking) energy and be converted into heat energy; Thereby reduce also rapid attenuating structure in earthquake or wind load action vibration, realize the purpose of oscillation damping and energy dissipating.
Present known viscous fluid damper structurally is a piston rod type; Its length dimension is bigger; Narrow and small place is installed and is received volume restrictions in the space, can only use the relatively poor small-sized damper of damping, causes construction part can not reach damping (shaking) designing requirement easily; The single antitorque rotational oscillation of existing viscous fluid damper moves poor-performing, and in order to reach construction effect, increases the number of viscous fluid damper usually, causes having increased construction cost.
Summary of the invention
The goal of the invention of the utility model is to provide a kind of volume less, the rotary viscous fluid damper that damping is stronger.
In order to realize the foregoing invention purpose, the technical scheme of the utility model is:
A kind of rotary viscous fluid damper comprises cylinder body, preceding fairlead, back fairlead, separated cavity block, rotating vane, rotating shaft; Fairlead, back fairlead are installed in the corresponding two ends, front and back of said cylinder body respectively before said, to form an airtight space; Said rotating vane, rotating shaft, separated cavity block are arranged in this airtight space simultaneously; The central point of fairlead before said rotating shaft one end passes, the other end flexibly connects with the central point of back fairlead; Said rotating vane is installed in the side of said rotating shaft; Said separated cavity block connects preceding fairlead, back fairlead simultaneously, and this confined space is divided into the space of aliquot volume; On said rotating vane, offer damping hole; In said confined space, be filled with resisting medium.
Optional, be provided with spacer pin simultaneously in the end face and the bottom surface of said separated cavity block.
Optional, the shape of said damping hole can be circle.
The utility model is at cylinder body, preceding fairlead.The rotary part is made up of rotating vane, rotating shaft is installed in the confined space that back fairlead is formed and is filled resisting medium, on rotating vane, offer damping hole at this confined space, through rotating vane around the rotating shaft rotation; Resisting medium is mobile relatively through damping hole; Thereby realize the beneficial effect of heating power consumption, damping, meanwhile, the moving performance of the single antitorque rotational oscillation of the utility model is better; In practice of construction, can well reach construction requirement, reduce construction cost.
The utility model also is provided with spacer pin in the end face and the bottom surface of separated cavity block simultaneously, is used to limit the anglec of rotation of rotating vane, prevents that simultaneously rotating vane from contacting with the hard of separated cavity block, thus the application life that has strengthened the utility model.
Description of drawings
Accompanying drawing described herein is used to provide the further understanding to the utility model, constitutes the application's a part, does not constitute the improper qualification to the utility model, in the accompanying drawings:
A kind of sectional side elevation that Fig. 1 provides for the utility model;
A kind of front view that Fig. 2 provides for the utility model;
A kind of elevation that Fig. 3 provides for the utility model embodiment 4.
The specific embodiment
To combine accompanying drawing and specific embodiment to specify the utility model below, be used for explaining the utility model in the illustrative examples and the explanation of this utility model, but not as the qualification to the utility model.
Embodiment 1:
Like Fig. 1, shown in Figure 2, present embodiment discloses a kind of rotary viscous fluid damper, comprises cylinder body 100, preceding fairlead 112, back fairlead 111, separated cavity block 150, rotating vane 140, rotating shaft 130; Preceding fairlead 112, back fairlead 111 are installed in the corresponding two ends, front and back of cylinder body 100 respectively, to form a confined space; Rotating vane 140, rotating shaft 130, separated cavity block 150 are arranged in this confined space simultaneously; The central point of fairlead 112 before rotating shaft 130 1 ends pass, the other end flexibly connects with the central point of back fairlead 111; Rotating vane 140 is installed in the side of rotating shaft 130; Separated cavity block 150 connects preceding fairlead 112, back fairlead 111 simultaneously, and this confined space is divided into the space of aliquot volume; On rotating vane 140, offer damping hole 142; In said confined space, be filled with resisting medium 170.
Present embodiment is distinctive to have designed revolving viscous fluid damper, when producing same damping, can dwindle the volume of present embodiment greatly; Compared with prior art; Under the same volume, present embodiment has better damping, can better adapt to construction environment.
Embodiment 2:
Like Fig. 1, shown in Figure 2, present embodiment discloses the better rotary viscous fluid damper of a kind of sealing effectiveness., it comprises cylinder body 100, preceding fairlead 112, back fairlead 111, separated cavity block 150, rotating vane 140, rotating shaft 130; Preceding fairlead 112, back fairlead 111 are installed in the corresponding two ends, front and back of cylinder body 100 respectively, and in each contact site sealing ring 101 are installed, to form a confined space; Rotating vane 140, rotating shaft 130, separated cavity block 150 are arranged in this confined space simultaneously; The central point of fairlead 112 before rotating shaft 130 1 ends pass, the other end flexibly connects with the central point of back fairlead 111, in the contact site of rotating shaft 130 and preceding fairlead 112 sliding bearing 132 and oil sealing 131 is installed; An end of fairlead is set with drive end bearing bracket 120 before rotating shaft is passed, the left surface of fairlead 112 before drive end bearing bracket 120 is fixed on through screw, and be provided with sealing ring 121 at both contact surfaces; Rotating vane 140 is installed in the side of rotating shaft 130, can make circular motion around this rotating shaft 130, in the contact site of rotating vane 140 and cylinder body 100, preceding fairlead 112, back fairlead 111 weather strip 141 is installed simultaneously; Separated cavity block 150 connects preceding fairlead 112, back fairlead 111 simultaneously, and this confined space is divided into the space of aliquot volume; On rotating vane 140, offer damping hole 142; In said confined space, be filled with resisting medium 170.
Present embodiment has used seal member in each contact site, has improved the effect of sealing.
Embodiment 3:
Like Fig. 1, shown in Figure 2, present embodiment discloses longer rotary viscous fluid damper of a kind of life-span, comprises cylinder body 100, preceding fairlead 112, back fairlead 111, separated cavity block 150, rotating vane 140, rotating shaft 130; Preceding fairlead 112, back fairlead 111 are installed in the corresponding two ends, front and back of cylinder body 100 respectively, to form a confined space; Rotating vane 140, rotating shaft 130, separated cavity block 150 are arranged in this confined space simultaneously; The central point of fairlead 112 before rotating shaft 130 1 ends pass, the other end flexibly connects with the central point of back fairlead 111; Rotating vane 140 is installed in the side of rotating shaft 130; Separated cavity block 150 connects preceding fairlead 112, back fairlead 111 simultaneously, and this confined space is divided into the space of aliquot volume; On rotating vane 140, offer damping hole 142; In said confined space, be filled with resisting medium 170; End face and bottom surface at separated cavity block 150 are provided with spacer pin 160 simultaneously.
Present embodiment limits the anglec of rotation of rotating vane through spacer pin, thereby prevents that simultaneously rotating vane root and separated cavity block from contacting generation stress damage, the application life of having improved present embodiment firmly.
Embodiment 4:
As shown in Figure 3, present embodiment discloses the stronger viscous fluid damper of a kind of damping, and the present embodiment place different with above embodiment is; Increase to three separated cavity blocks 250, each separated cavity block is the center of circle with the rotating shaft, is in 120 ° angle in twos; Confined space is divided into three equal parts, corresponding, also be provided with three same rotating vanes of arranging 240; End face and bottom surface at individual separated cavity block are equipped with spacer pin, are used to limit the anglec of rotation of rotating vane 240.
Present embodiment has changed the number of rotating vane 240 and separated cavity block 250, has utilized spacer pin to limit the gyration that selects of rotating vane simultaneously, in actual use; The utility model is compared aforesaid embodiment, has the stronger effect of damping, and as a kind of thinking; Same; The number of the number of rotating vane and corresponding separated cavity block can also have other instance, and to reach different damping to adapt to the actual needs in the construction, this all belongs to the scope of the utility model protection.
Need to prove that also the damping hole of above embodiment can be circle.
More than technical scheme that the utility model embodiment is provided carried out detailed introduction; Used concrete example among this paper principle and the embodiment of the utility model embodiment are set forth, the explanation of above embodiment only is applicable to the principle that helps to understand the utility model embodiment; Simultaneously, for one of ordinary skill in the art, according to the utility model embodiment, the part that on the specific embodiment and range of application, all can change, in sum, this description should not be construed as the restriction to the utility model.
Claims (3)
1. rotary viscous fluid damper is characterized in that:
Comprise cylinder body, preceding fairlead, back fairlead, separated cavity block, rotating vane, rotating shaft;
Fairlead, back fairlead are installed in the corresponding two ends, front and back of said cylinder body respectively before said, to form an airtight space;
Said rotating vane, rotating shaft, separated cavity block are arranged in this airtight space simultaneously; The central point of fairlead before said rotating shaft one end passes, the other end flexibly connects with the central point of back fairlead; Said rotating vane is installed in the side of said rotating shaft; Said separated cavity block connects preceding fairlead, back fairlead simultaneously, and this confined space is divided into the space of aliquot volume;
On said rotating vane, offer damping hole;
In said confined space, be filled with resisting medium.
2. a kind of rotary viscous fluid damping hole according to claim 1 is characterized in that:
End face and bottom surface at said separated cavity block are provided with spacer pin simultaneously.
3. a kind of rotary viscous fluid damping hole according to claim 1 is characterized in that:
The shape of said damping hole can be circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220206988 CN202577650U (en) | 2012-05-09 | 2012-05-09 | Rotary viscous fluid damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220206988 CN202577650U (en) | 2012-05-09 | 2012-05-09 | Rotary viscous fluid damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202577650U true CN202577650U (en) | 2012-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220206988 Expired - Fee Related CN202577650U (en) | 2012-05-09 | 2012-05-09 | Rotary viscous fluid damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202577650U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103388360A (en) * | 2012-05-09 | 2013-11-13 | 南京丹普科技工程有限公司 | Rotary type viscous fluid damper |
| CN104963424A (en) * | 2015-07-15 | 2015-10-07 | 大连理工大学 | Damping energy-dissipation anti-wind device |
| CN107060127A (en) * | 2017-05-11 | 2017-08-18 | 昆明理工大学 | A kind of gear double-screw type fluid linking damper |
-
2012
- 2012-05-09 CN CN 201220206988 patent/CN202577650U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103388360A (en) * | 2012-05-09 | 2013-11-13 | 南京丹普科技工程有限公司 | Rotary type viscous fluid damper |
| CN104963424A (en) * | 2015-07-15 | 2015-10-07 | 大连理工大学 | Damping energy-dissipation anti-wind device |
| CN107060127A (en) * | 2017-05-11 | 2017-08-18 | 昆明理工大学 | A kind of gear double-screw type fluid linking damper |
| CN107060127B (en) * | 2017-05-11 | 2019-07-16 | 昆明理工大学 | A kind of gear double-screw type fluid linking damper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20140509 |