CN217439229U - Gear and rack type tuning inertia damper - Google Patents
Gear and rack type tuning inertia damper Download PDFInfo
- Publication number
- CN217439229U CN217439229U CN202220832348.7U CN202220832348U CN217439229U CN 217439229 U CN217439229 U CN 217439229U CN 202220832348 U CN202220832348 U CN 202220832348U CN 217439229 U CN217439229 U CN 217439229U
- Authority
- CN
- China
- Prior art keywords
- rack
- pinion
- top plate
- spring
- gear
- 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.)
- Active
Links
Images
Landscapes
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The utility model relates to a building shock attenuation technical field just discloses a rack and pinion formula harmonious inertia damper. The utility model discloses a sleeve, be equipped with confined damping chamber in the sleeve and fill up viscous damping liquid, install rack and pinion transmission structure in the damping chamber, rack and pinion transmission structure is fixed with and is used to the matter component to connect the outer major structure of damping chamber and spring element, rack and pinion transmission structure can turn into axial motion circumferential motion, and the drive is used to the matter component rotation simultaneously, and can and the spring element between realize the horizontal transmission of power. The utility model discloses rely on rack and pinion to convert the axial velocity at attenuator both ends to the angular velocity of quality piece motion to utilize the flange of quality piece side to stir viscous damping liquid and carry out the power consumption at the rotation in-process. Compared with a ball screw type tuned inertial mass damper, the damper is simple in structure, easy to process and excellent in vibration reduction capacity.
Description
Technical Field
The utility model relates to a building shock attenuation technical field specifically is a rack and pinion formula is harmonious is used to matter attenuator.
Background
A tuned inertance damper is a very characteristic vibration control device proposed in recent years, and comprises an inertance element, a damping element and a spring element, wherein the inertance element, the damping element and the spring element respectively provide inertance (also called apparent mass), damping and rigidity. At present, the ball screw is used to realize the amplification of inertial mass at home and abroad. However, the ball screw type tuned inerter damper has the disadvantages of high processing difficulty, long supply period and high cost due to the precision of parts, especially the ball screw used as a core part, and is not favorable for wide application in building engineering. Based on the current situation, the gear and rack type tuned inertial mass damper is invented, and has the advantages of simple structure, easiness in processing and excellent vibration reduction capability.
SUMMERY OF THE UTILITY MODEL
The utility model provides a solve the technical problem that above-mentioned prior art exists, provide a rack and pinion formula tuning is used to matter attenuator.
Preferably, the rack and pinion transmission structure includes the rack axle, the rack axle runs through the damping chamber, the surface of rack axle is equipped with the rack, the rack cooperation is connected with the gear, the gear is fixed with the inertial mass component, drives when gear revolve and is used the inertial mass component to rotate together.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a rack and pinion formula harmonious inertia attenuator, includes the sleeve, be equipped with confined damping chamber in the sleeve and fill up viscous damping liquid, install rack and pinion transmission structure in the damping chamber, rack and pinion transmission structure is fixed with the inertia component to connect the outer major structure of damping chamber, telescopic outside still is connected with spring element, rack and pinion transmission structure can turn into axial motion circumferential motion, drives the inertia component simultaneously and rotates to can and realize the horizontal transmission of power between the spring element. The spring element is directly connected with the main body structure, vibration generated by the main body structure is directly and sequentially transmitted to the spring element and the gear and rack transmission structure connected with the inertia element, and displacement of the main body structure is amplified.
Preferably, the assembly of the gear and the inertance element can be arranged in one or more groups on one side of the rack shaft, and can be arranged on one side or both sides of the rack shaft.
Preferably, the inertance element is a cylindrical mass.
Preferably, the mass block is located in the viscous damping liquid, and the convex plates are arranged on the front face and the rear face respectively and are used for stirring the viscous damping liquid to consume energy when the gear drives the mass block to rotate.
Preferably, the spring element comprises a spring, a guide rod, a first spring top plate and a second spring top plate, two ends of the guide rod are respectively fixed with the sleeve and the second spring top plate, the first spring top plate is slidably arranged on the guide rod, and the spring penetrates through the guide rod and is respectively positioned between the sleeve and the first spring top plate, and between the first spring top plate and the second spring top plate.
The utility model has the advantages that:
1. the utility model discloses rely on rack and pinion to convert the axial velocity at attenuator both ends to the angular velocity of quality piece motion to utilize the flange of quality piece side to stir the viscous damping liquid and consume energy at the rotation in-process viscous damping liquid. Compared with a ball screw type tuned inertial mass damper, the damper is simple in structure, easy to process and excellent in vibration reduction capacity;
2. when the damper generates tuned vibration, the motion phase of the damping part is opposite to that of the spring part due to the inertia of the rotating mass and the resonance action of the spring, so that the displacement amplitude of the damping part is larger than the vibration input displacement, namely, the damper is favorable for generating large damping under small displacement.
3. The performance parameters of the damper can be quickly adjusted by changing the rigidity of the spring, the diameter of the gear, the diameter and the number of the mass blocks and the number of components consisting of the gear and the mass blocks.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a cross-sectional view of the present invention.
In the figure: 1. a rack shaft; 2. a rack; 3. a gear; 4. a mass block; 5. a convex plate; 6. a gear shaft; 7. a sleeve; 8. a left sealing plate; 9. a guide plate; 10. a right seal plate; 11. viscous damping fluid; 12. a left spherical hinge base; 13. a right spherical hinge base; 14. a spring; 15. a guide bar; 16. a first spring top plate; 17. a spring top plate II; 18. a limiting plate; 19. and a right axis.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Example (b): as shown in fig. 1-2, the device comprises a rack shaft, a rack, a gear, a mass block, a convex plate, a gear shaft, a sleeve, a left sealing plate, a guide plate, a right sealing plate, viscous damping liquid, a left spherical hinge seat, a right spherical hinge seat, a spring, a guide rod, a first spring top plate, a second spring top plate, a limiting plate and a right shaft.
The left end of the sleeve is connected with a left sealing plate, the right end of the sleeve is connected with a right sealing plate, a guide plate is arranged in the sleeve, the guide plate divides the interior of the sleeve into a left cavity and a right cavity, the left cavity is a damping cavity, viscous damping fluid is filled in the damping cavity, a rack and pinion transmission structure and a mass block are installed in the damping cavity, the right cavity is a cavity, a plurality of counter bores are formed in the inner surface of the side wall of the sleeve and used for fixing a gear shaft, the gear shaft can rotate, the left end of the rack shaft penetrates through the left sealing plate and is connected with a left ball hinge seat, a limiting plate is arranged after the right end of the rack shaft penetrates through the guide plate, the section of the rack shaft is square, a rack is arranged on the rack shaft between the left sealing plate and the guide plate, the distance from the leftmost tooth to the left sealing plate and the rightmost tooth to the guide plate are both larger than the design stroke, square holes are formed in the middles of the left sealing hole and the rack shaft, and a sealing assembly is arranged on the right sealing plate, a spring top plate and a spring top plate, the guide rod penetrates through the right sealing plate, the first spring top plate and the second spring top plate, the left side of the right sealing plate and the right side of the second spring top plate are fixed through nuts respectively, the guide rod is fixed with the right sealing plate and the second spring top plate, the first spring top plate is connected with the guide rod in a sliding mode, the spring penetrates through the guide rod and is located between the right sealing plate and the first spring top plate, the first spring top plate and the second spring top plate respectively, the right sealing plate, the first spring top plate and the second spring top plate serve as supporting faces of the spring, the spring on one side is compressed when the damper moves, a round hole is formed in the middle of the second spring top plate, the second spring top plate is penetrated through the left end of the right shaft and is fixedly connected with the first spring top plate, the right shaft right end is fixedly connected with the right ball hinged support, and the second spring top plate is connected with the right shaft in a sliding mode. The gear and the rack are meshed, the gear shaft penetrates through the gear and is embedded in the counter bore of the side wall of the sleeve, the mass blocks penetrate through the gear shaft and are located on two sides of the gear, one or more groups of components formed by the gear and the mass blocks can be arranged on one side of the rack shaft, meanwhile, the gear shaft can be arranged on one side or two sides of the rack shaft, the gear shaft is fixedly connected with the gear and the mass blocks, the inertial mass of the damper can be changed by the diameters of the gear and the mass blocks, one or more blocks of the mass blocks on each side of the gear can be arranged, the front side and the rear side of the mass block on each side are respectively provided with the convex plates, and when the gear drives the mass blocks to rotate, the convex plates stir the viscous damping liquid to consume energy.
The working principle of the embodiment is as follows: when the structure provided with the rack-and-pinion type tuned inertial mass damper generates interlayer deformation under the action of earthquake or wind vibration, springs on two sides of the damper generate compression deformation in turn so as to drive a rack shaft to perform horizontal axial movement, and further drive a gear and a mass block to rotate together. The rotary damping part generates damping force by driving the upper convex plate positioned on the mass block to stir in viscous damping liquid, so that energy consumption is realized.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A rack and pinion type tuned inertial mass damper is characterized in that: the damping device comprises a sleeve, be equipped with confined damping chamber in the sleeve and fill up viscous damping fluid, rack and pinion transmission structure is installed to the damping chamber, rack and pinion transmission structure is fixed with and is used for the matter component to connect the outer major structure of damping chamber, telescopic outside still is connected with spring element, rack and pinion transmission structure can turn into axial motion circumferential motion, drives simultaneously and is used for the matter component rotation, and can and the spring element between the horizontal transmission of realization power.
2. The rack and pinion tuned inertial mass damper of claim 1, wherein: the rack-and-pinion transmission structure comprises a rack shaft, the rack shaft penetrates through the damping cavity, a rack is arranged on the surface of the rack shaft, the rack is connected with a gear in a matching manner, the gear and the inerter element are fixed, and the inerter element is driven to rotate together when the gear rotates.
3. The rack and pinion tuned inertial mass damper of claim 2, wherein: the assembly of gears and inertance elements can be arranged in one or more groups on one side of the rack shaft, and in one or both sides of the rack shaft.
4. The rack and pinion tuned inertial mass damper of claim 1, wherein: the inertial mass element is a cylindrical mass block.
5. The rack and pinion tuned inertial mass damper according to claim 4, wherein: the convex plates are arranged on the front face and the rear face of the mass block in the viscous damping liquid respectively and used for stirring the viscous damping liquid by the convex plates to consume energy when the gear drives the mass block to rotate.
6. The rack and pinion tuned inertial mass damper according to any of claims 1-5, wherein: the spring element comprises a spring, a guide rod, a first spring top plate and a second spring top plate, two ends of the guide rod are fixed with the sleeve and the second spring top plate respectively, the first spring top plate is arranged on the guide rod in a sliding mode, and the spring penetrates through the guide rod and is located between the sleeve and the first spring top plate, and between the first spring top plate and the second spring top plate respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220832348.7U CN217439229U (en) | 2022-04-12 | 2022-04-12 | Gear and rack type tuning inertia damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220832348.7U CN217439229U (en) | 2022-04-12 | 2022-04-12 | Gear and rack type tuning inertia damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217439229U true CN217439229U (en) | 2022-09-16 |
Family
ID=83216759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220832348.7U Active CN217439229U (en) | 2022-04-12 | 2022-04-12 | Gear and rack type tuning inertia damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217439229U (en) |
-
2022
- 2022-04-12 CN CN202220832348.7U patent/CN217439229U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114562052A (en) | Gear and rack type tuning inertia damper | |
| CN107313642A (en) | Set up the inertia damping device of board-like viscid unit | |
| CN217439229U (en) | Gear and rack type tuning inertia damper | |
| CN113250341A (en) | Assembled building supporting seat | |
| CN110762157A (en) | Auxiliary mechanism for electromechanical engineering equipment with efficient buffering performance | |
| CN116837981A (en) | Ball screw inertial-volume damper | |
| CN211421442U (en) | Friction damper with built-in inertial volume unit | |
| CN213419758U (en) | High-efficiency damper | |
| CN103939518A (en) | Single-pole surface-plate-type magnetorheological damper | |
| CN213331452U (en) | Shock attenuation air compressor | |
| CN115163723A (en) | Magnetorheological variable damping vibration attenuation energy dissipation device | |
| CN110485420A (en) | A kind of platform supporting device of self-propelled geotechnical engineering investigation static pressure equipment | |
| CN109595145A (en) | Latent oil reciprocator and its plunger pump system | |
| CN210104498U (en) | Vertical vibration wheel with synchronous gear correction and road roller with vertical vibration wheel | |
| CN111779142B (en) | Replaceable energy consumption connecting assembly for connecting beam column of fabricated building | |
| CN210371790U (en) | Built-in oil-gas isolating device shock absorber | |
| CN113775690A (en) | Magnetorheological hybrid vibration damper | |
| CN219299888U (en) | High-precision linear speed reducer | |
| CN213331504U (en) | Screw pump structure with good sealing performance | |
| CN217422129U (en) | Shock attenuation formula speed reducer | |
| CN1322250C (en) | Controllable damper with viscosity | |
| CN216009484U (en) | Speed reducer with stable transmission | |
| CN110761434A (en) | Friction damper with built-in inertial volume unit | |
| CN220629059U (en) | Vertical water pump motor vibration damper of thermal power plant | |
| CN212278042U (en) | Motor with shock-absorbing function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |