CN216555116U - Prepressing spring viscous damper - Google Patents
Prepressing spring viscous damper Download PDFInfo
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- CN216555116U CN216555116U CN202123234650.7U CN202123234650U CN216555116U CN 216555116 U CN216555116 U CN 216555116U CN 202123234650 U CN202123234650 U CN 202123234650U CN 216555116 U CN216555116 U CN 216555116U
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- connecting plate
- hole
- piston rod
- spring
- viscous damper
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Abstract
The utility model discloses a prepressing spring viscous damper, which comprises a damper, wherein a cylinder body and the end part of a piston rod of the damper are respectively provided with a connector, and a prepressing device is arranged at the piston rod of the damper; the prepressing device comprises a first connecting plate and a second connecting plate, the first connecting plate is installed on the cylinder body, the second connecting plate is installed at one end, far away from the cylinder body, of the piston rod, the first connecting plate is provided with a first through hole in an encircling mode at equal distance, a second through hole coaxial with the first through hole is formed in the second connecting plate, a sliding rod is connected between the first through hole and the second through hole in a sliding mode, and a spring is sleeved on the sliding rod. This prepressing type spring viscous damper can carry out the pre-compaction with the help of the pre-compaction device with the spring, and the pre-compaction device is whole to be connected through the screw thread with the attenuator, makes the attenuator can also reset building structure when carrying out the power consumption, encircles the piston rod setting with the spring simultaneously for the piston rod atress is even, leads through the slip of smooth pole, has improved stability greatly.
Description
Technical Field
The utility model relates to the field of dampers, in particular to a prepressing type spring viscous damper.
Background
A viscous damper is a speed dependent energy dissipation device. It uses the viscosity of the liquid to provide damping to dissipate the vibrational energy. It uses a viscous material as a damping medium. Passive velocity-type energy dissipating (vibrating) devices. The energy absorption and dissipation device is mainly used for absorbing and dissipating energy of structural vibration (including structural vibration caused by wind, earthquake, mobile load and power equipment), is suitable for installation, maintenance and replacement of building structures and equipment foundation engineering in various earthquake intensity areas, and is very simple and convenient.
The viscous damper is composed of a cylinder, a piston, a viscous fluid and a guide rod. The cylinder is filled with viscous fluid. The piston is reciprocable in the cylinder. The piston is provided with a proper amount of small holes or a piston and a cylinder barrel. When the structure is deformed to cause the cylinder and the piston to move relatively, the viscous fluid is forced to flow through the small hole or the gap, thereby generating a damping force, and the vibration energy is eliminated through viscous energy dissipation, thereby achieving the purpose of shock absorption.
However, the inventor finds that the viscous damper in the prior art has large displacement after acting, the self-resetting function is difficult to realize, the usable range of the damper is reduced, and the service life of the damper is shortened.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a prepressing type spring viscous damper, which solves the problems in the background technology.
In order to achieve the purpose, the utility model is realized by the following technical scheme: a prepressing spring viscous damper comprises a damper, wherein connectors are arranged at the end parts of a cylinder body and a piston rod of the damper, and a prepressing device is arranged at the piston rod of the damper;
the prepressing device comprises a first connecting plate and a second connecting plate, the first connecting plate is installed on the cylinder body, the second connecting plate is installed on the piston rod and is far away from one end of the cylinder body, a first through hole is formed in the first connecting plate in an encircling mode at equal distance, a second through hole coaxial with the first through hole is formed in the second connecting plate, a sliding rod is connected between the first through hole and the second through hole in a sliding mode, a spring is sleeved on the sliding rod, the two ends of the spring abut against the first connecting plate and the second connecting plate respectively, and adjusting nuts used for limiting the end portions of the sliding rod are arranged at the two ends of the sliding rod.
Further, in the prepressing type spring viscous damper, the first connecting plate and the second connecting plate are disks with the same diameter.
Further, the prepressing spring viscous damper is characterized in that the first connecting plate is in threaded connection with the cylinder body, and the second connecting plate is in threaded connection with the end part of the piston rod.
Further, the prepressing spring viscous damper is characterized in that sliding sleeves are fixed in the first through hole and the second through hole and are in sliding sleeve connection with the sliding rod.
Further, in the prepressing type spring viscous damper, gaskets are arranged between the adjusting nut and the first connecting plate and between the adjusting nut and the second connecting plate.
Further, the pre-pressing type spring viscous damper is characterized in that a limiting nut for limiting the pressing of the adjusting nut is further connected to the end portion of the sliding rod in a threaded mode.
The utility model has the following beneficial effects: this prepressing type spring viscous damper can carry out the pre-compaction with the help of the pre-compaction device with the spring, and the pre-compaction device is whole to be connected through the screw thread with the attenuator, makes the attenuator can also reset building structure when carrying out the power consumption, encircles the piston rod setting with the spring simultaneously for the piston rod atress is even, leads through the slip of smooth pole, has improved stability greatly.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
In the figure: 1. a damper; 2. a connector; 3. a piston rod; 4. a first connecting plate; 5. a second connecting plate; 6. A slide bar; 7. a spring; 8. a first through hole; 9. a limit nut; 10. a gasket; 11. a sliding sleeve; 12. adjusting the nut; 13. and a second through hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a prepressing spring viscous damper comprises a damper 1, wherein a cylinder body of the damper 1 and the end part of a piston rod 3 are respectively provided with a connector 2, and a prepressing device is arranged at the piston rod 3 of the damper 1;
the pre-compaction device is including installing connecting plate one 4 on the cylinder body and installing in connecting plate two 5 that 3 piston rods kept away from cylinder body one end, connecting plate one 4 and connecting plate two 5 are the disc that the diameter equals, 4 equidistance on the connecting plate encircle seted up through-hole one 8, set up on connecting plate two 5 with through-hole one 8 coaxial through-hole two 13, through-hole one 8 and through-hole two 13 can be opened and locate sliding connection have a smooth pole 6 between edge through-hole one 8 and the through-hole two 13 of even board one 4 and even board two 5, the cover is equipped with spring 7 on the smooth pole 6, the both ends of spring 7 offset with connecting plate one 4 and connecting plate two 5 respectively, the both ends of smooth pole 6 all are equipped with and are used for adjusting nut 12 spacing to its tip, can adjust spring 7's pre-compaction deflection through rotating adjusting nut 12.
The first connecting plate 4 is in threaded connection with the cylinder body, the second connecting plate 5 is in threaded connection with the end portion of the piston rod 3, the prepressing device is installed in a threaded connection mode, and installation and maintenance are facilitated.
Between adjusting nut 12 and connecting plate 4, all be equipped with packing ring 10 between adjusting nut 12 and the connecting plate two 5, the tip of slide bar 6 still threaded connection has spacing stop nut 9 to adjusting nut 12 pressfitting, supports adjusting nut 12 through rotating stop nut 9 after the pre-compaction deflection to the spring is adjusted, has realized spacing fixedly to adjusting nut 12 through the friction between stop nut 9 and adjusting nut 12.
When the building structure vibrates, the piston on the piston rod 3 pushes the damping medium in the cylinder body to do work to convert mechanical energy into heat energy for consumption, and the spring 7 is elastically deformed and finally reset while consuming energy, so that vibration reduction and reset are realized.
This prepressing type spring viscous damper can carry out the pre-compaction with spring 7 with the help of the pre-compaction device, and the pre-compaction device is whole to be connected through the screw thread with attenuator 1, makes attenuator 1 can also reset building structure when carrying out the power consumption, encircles spring 7 and sets up piston rod 3 simultaneously for 3 atress of piston rod are even, and the slip through smooth pole 6 leads, has improved stability greatly.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a pre-compaction formula spring viscous damper, includes attenuator (1), and the cylinder body and piston rod (3) tip of attenuator (1) all are equipped with connector (2), its characterized in that: a prepressing device is arranged at a piston rod (3) of the damper (1);
the pre-compaction device is including installing connecting plate (4) on the cylinder body and installing connecting plate two (5) of keeping away from cylinder body one end in piston rod (3), the equidistance encircles and has seted up through-hole one (8) on connecting plate one (4), set up on connecting plate two (5) with through-hole one (8) coaxial through-hole two (13), sliding connection has slide bar (6) between through-hole one (8) and through-hole two (13), the cover is equipped with spring (7) on slide bar (6), the both ends of spring (7) offset with connecting plate one (4) and connecting plate two (5) respectively, the both ends of slide bar (6) all are equipped with and are used for spacing adjusting nut (12) to its tip.
2. A pre-stressed spring viscous damper according to claim 1, characterized in that: the first connecting plate (4) and the second connecting plate (5) are discs with the same diameter.
3. A pre-stressed spring viscous damper according to claim 2, characterized in that: the first connecting plate (4) is in threaded connection with the cylinder body, and the second connecting plate (5) is in threaded connection with the end part of the piston rod (3).
4. A pre-stressed spring viscous damper according to claim 3, characterized in that: and sliding sleeves (11) are fixed in the first through holes (8) and the second through holes (13), and the sliding sleeves (11) are in sliding sleeve joint with the sliding bars (6).
5. A pre-stressed spring viscous damper according to claim 4, characterized in that: and gaskets (10) are arranged between the adjusting nut (12) and the first connecting plate (4) and between the adjusting nut (12) and the second connecting plate (5).
6. A pre-stressed spring viscous damper according to any one of claims 1-5, characterized in that: the end part of the sliding bar (6) is also in threaded connection with a limiting nut (9) which is used for pressing and limiting the adjusting nut (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123234650.7U CN216555116U (en) | 2021-12-21 | 2021-12-21 | Prepressing spring viscous damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123234650.7U CN216555116U (en) | 2021-12-21 | 2021-12-21 | Prepressing spring viscous damper |
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| Publication Number | Publication Date |
|---|---|
| CN216555116U true CN216555116U (en) | 2022-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123234650.7U Active CN216555116U (en) | 2021-12-21 | 2021-12-21 | Prepressing spring viscous damper |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115388123A (en) * | 2022-08-23 | 2022-11-25 | 武汉理工大学 | Vibration damper applied to plate shell structure |
| CN115807498A (en) * | 2022-12-13 | 2023-03-17 | 苏州达康建筑科技有限公司 | Masonry structure shock attenuation strengthening apparatus |
-
2021
- 2021-12-21 CN CN202123234650.7U patent/CN216555116U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115388123A (en) * | 2022-08-23 | 2022-11-25 | 武汉理工大学 | Vibration damper applied to plate shell structure |
| CN115807498A (en) * | 2022-12-13 | 2023-03-17 | 苏州达康建筑科技有限公司 | Masonry structure shock attenuation strengthening apparatus |
| CN115807498B (en) * | 2022-12-13 | 2023-12-08 | 苏州达康建筑科技有限公司 | Masonry structure shock attenuation strengthening equipment |
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