CN203906632U - Three-dimensional vibration isolator and air bottle employing same - Google Patents
Three-dimensional vibration isolator and air bottle employing same Download PDFInfo
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- CN203906632U CN203906632U CN201420079864.2U CN201420079864U CN203906632U CN 203906632 U CN203906632 U CN 203906632U CN 201420079864 U CN201420079864 U CN 201420079864U CN 203906632 U CN203906632 U CN 203906632U
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- vibration damping
- fixed plate
- vibration
- angle
- damping silk
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Abstract
The utility model belongs to the field of device safety protection and particularly relates to a three-dimensional vibration isolator applied to vibration reduction in three-dimensional spaces of air bottles, turbine devices and electric appliance control boxes. The three-dimensional vibration isolator comprises an upper fixing plate, a lower fixing plate and a vibration reducing wire; the fixing plates are uniformly provided with through holes matched with the vibration reducing wire; the vibration reducing wire sequentially penetrates through the through holes of the two fixing plates from bottom to top according to the arraying sequence of the through holes in the fixing plate so as to spirally connect the two fixing plates together. In the vibration reducing structure, an elastic steel wire is adopted to serve as the vibration reducing wire, and a left part and a right part are opposite along the direction of the vibration reducing wire, so that the vibration isolator has higher impact resistance in the three-dimensional direction; metal rubber is added into the vibration isolator to further improve the bearing capacity of a device; for an air bottle provided with the vibration isolator, the impact resistance is greatly improved on the whole compared with the impact resistance of similar products.
Description
Technical field
The utility model belongs to equipment safety protection field, is specifically related to a kind of three-dimensional isolation device and air bottle thereof that is applied to the three dimensional space vibration damping of air bottle, wheel machine, electric appliance control box.
Background technique
In modern society, none there is not vibration problem in mechanical industry field, reduces the usability of watchmaker's machine tool, shortens the working life of machinery equipment, and huge impact also can cause the damage of naval vessel, aircraft medium power device.Thus, caused people and carried out research to eliminating this nuisance vibration, and the new subject of extending out from vibrational theory is that damping technology is as the foundation that instructs actual REDUCTION OF VIBRATION.In long-term production practices, sum up some and reduced the way of this nuisance vibration, substantially had following several aspect:
(1) eliminate vibration source, the existence of excitation is the reason that produces forced vibration, and the basic way of eliminating vibration is exactly to manage to eliminate the source that produces excitation.In rotating machinery, excitation produces centrifugal force mainly due to rotatable parts (as rotor, turbine rotor) deflection and causes, therefore before rotor is installed, carrying out quiet, dynamic balancing, to eliminate deflection be very important.Yet because motion produces periodically variable inertial force, when design, just require balance of shaking force for the machinery (as internal-combustion engine, stamping press etc.) with connecting rod.
(2) avoid resonance region.By changing the quality of system and natural frequency that rigidity makes system away from energizing frequency, thereby avoid the work of system to be in resonance region.For example, through dynamically balanced rotor, only the centrifugal force of rotor can be reduced, but can not eliminate completely.Therefore for fear of resonance, machine can adopt the method for work of avoiding resonance region, adopts and makes the working speed of machine away from critical speed of rotation, conventionally makes working speed below or above the more than 25%～30% of critical speed of rotation.
(3) take vibration isolation measure.Difference according to vibration direction of transfer can be divided into: active vibration isolation, and the disturbance of isolating machinery itself reaches basis or pedestal by its under-chassis, bearing; Passive insulation, prevents that the disturbance of surrounding environment from passing to the equipment needing protection by under-chassis, bearing.Basic skills be machine and basis " elastomer that some suitable parameters are installed from J is the transmission that isolation mounting reduces nuisance vibration.
The isolation mounting of mentioning in above-mentioned the third measure has comprised vibration isolator and vibration damper, wherein, vibration isolation refers to increases flexible link between two structures, thereby makes a structure reach the power exciting of another structure or the measure that motion exciting is minimized, and corresponding isolation mounting is vibration isolator.And utilize the vibrational energy of the Damping work oscillating body of various types, thus reaching the object that reduces vibration value is called as vibration damping, and corresponding vibration damping equipment is vibration damper.For vibration damper, according to the difference of its vibration attenuation mechanism, can be divided into solid friction vibration damper, fluid damping vibration damper, electromagnetic damping shock absorber and impact damper system device.
Current vibration isolator mainly be take rubber vibration isolator and steel-wire isolator as main, and it is aging that the major defect of rubber vibration isolator is to want to conclude the business, and the power that withstands shocks and vibration limit are low, and steel-wire isolator is not highly resistant in lateral impact forces.
Model utility content
The purpose of this utility model is to provide shock proof vibration isolator on a kind of three-dimensional that can guarantee electrical installations safe operation under high-amplitude vibration, dither environment, and the purpose of this utility model is also to provide a kind of air bottle that this vibration isolator is installed.
The purpose of this utility model is achieved in that
A kind of three-dimensional isolation device, comprise upper and lower two fixed plates and vibration damping silk, on fixed plate, be evenly distributed with the penetration hole mating with vibration damping silk, vibration damping silk links together two fixed plates in the shape of a spiral by the penetration hole putting in order successively by two fixed plates of penetration hole on fixed plate from top to bottom.
Vibration damping silk is comprised of elastic wire and rigidity steel wire, and elastic wire is at vibration damping Si center, and rigidity steel wire winding is peripheral at elastic wire.
Vibration damping silk is more than or equal to 15 degree along the plane of vibration damping silk direction and the angle of fixed plate, is less than or equal to 90 degree.
Vibration damping silk is 15 degree angles or 30 degree angles or miter angle or 60 degree angle or an angle of 90 degrees along the plane of vibration damping silk direction and the angle of fixed plate.
Vibration isolator is divided into left and right two-part, left-hand component along the plane of vibration damping silk direction and the angle of fixed plate and right-hand component along the plane of vibration damping silk direction and the angle of fixed plate not etc.
Vibration isolator is divided into left and right two-part, and left-hand component equates along counterclockwise angle with plane and the fixed plate of right-hand component along vibration damping silk direction along clockwise angle along plane and the fixed plate of vibration damping silk direction.
In vibration damping silk, metal-rubber is installed.
An air bottle for three-dimensional isolation device is installed, and the bottom of air bottle and side are provided with above-mentioned three-dimensional isolation device, and three-dimensional isolation device is connected with air bottle or stationary plane by fixed plate.
The beneficial effects of the utility model are:
Vibration damping structure of the present utility model adopts elastic wire as vibration damping silk, left and right part is along vibration damping silk opposite direction, make vibration isolator on three-dimensional, all there is stronger impact resistance, in the utility model, also added metal-rubber, further strengthened the ability to bear of device, air bottle of the present utility model is having very big lifting with like product on the whole aspect shock resistance.
Accompanying drawing explanation
Fig. 1 is the plan view of the utility model vibration isolator;
Fig. 2 is the side view of the utility model vibration isolator;
Fig. 3 is the plan view of the vibration isolator of the utility model band penetration hole beam;
Fig. 4 is the side view of the vibration isolator of the utility model band penetration hole beam;
Fig. 5 is the plan view of the utility model band metallic rubber vibration isolator;
Fig. 6 is the side view of the utility model band metallic rubber vibration isolator;
Fig. 7 is the plan view of the vibration isolator of the utility model band metal-rubber and penetration hole beam;
Fig. 8 is the side view of the vibration isolator of the utility model band metal-rubber and penetration hole beam;
Fig. 9 is the structural drawing of the utility model vibration damping silk;
Figure 10 is the plan view that the air bottle of the utility model vibration damper is housed;
Figure 11 is the side view that the air bottle of the utility model vibration damper is housed;
Figure 12 is the optimum embodiment of the utility model vibration isolator.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further:
The utility model proposes a kind of vibration isolator that can increase substantially the three-dimensional impact resistance of machine afterwards of installing, the three-dimensional referring to here refers to the mutual rectangular three-dimensional of machine.
Structure of the present utility model is:
As shown in Figure 1, three-dimensional isolation device, comprise upper and lower two fixed plates 1 and vibration damping silk 2, on fixed plate, be evenly distributed with the penetration hole 3 mating with vibration damping silk, vibration damping silk links together two fixed plates in the shape of a spiral by the penetration hole putting in order successively by two fixed plates of penetration hole on fixed plate from top to bottom.Here it should be noted that fixed plate can be high-strength metal sheet or the tabular structure of high-intensity composite material, there is onboard the penetration hole distributing along fixed plate uniform plane, in penetration hole, run through vibration damping silk, vibration damping silk has extremely strong toughness, passes through successively penetration hole.Here vibration damping silk is first from the penetration hole of following fixed plate, to pass through, and then by the penetration hole corresponding to fixed plate of top, then, by second penetration hole of following fixed plate, according to above-mentioned regular vibration damping silk, in the shape of a spiral fixed plate is fixed together.The vertical section of described helical vibration damping silk is rounded, when vibration isolator is subject to oppressing, due to the elasticity of vibration damping silk, can support vibration isolator, and the article on vibration isolator receive that while impacting, vibration damping silk can be because elasticity be born impact force.
This penetration hole also can extended part setting on fixed plate.
Vibration damping silk is comprised of elastic wire 4 and rigidity steel wire 5 as shown in Figure 9, and elastic wire is at vibration damping Si center, and rigidity steel wire winding is peripheral at elastic wire.In vibration damping silk, what mainly bear damping effect is elastic wire, and when on vibration isolator, fixing article bear impact force from top to bottom, the resilient support article of vibration damping silk, avoid article and junction surface to bump.When article are subject to horizontal impact power, because the pulling force of vibration damping silk can be held article, avoid article generation side to fall.
Vibration damping silk is more than or equal to 15 degree along the plane of vibration damping silk direction and the angle of fixed plate, is less than 90 degree.
Vibration damping silk is 15 degree angles or 30 degree angles or miter angle or 60 degree angle or an angle of 90 degrees along the plane of vibration damping silk direction and the angle of fixed plate.After strict test, find that effect is best when the angle of the plane along vibration damping silk direction and fixed plate is an angle of 90 degrees, an angle of 90 degrees of saying here, because vibration damping silk is up time to be wound around, therefore can not strictly be 90 degree, more approaches 90 degree effects better.
Vibration isolator can be divided into left and right two-part, left-hand component along the plane of vibration damping silk direction and the angle of fixed plate and right-hand component along the plane of vibration damping silk direction and the angle of fixed plate not etc.As left-hand component is 30 degree, right-hand component is 45 degree; Or left-hand component is 45 degree, right-hand component is 60 degree; By that analogy.
Vibration isolator is divided into left and right two-part, and left-hand component equates along counterclockwise angle with plane and the fixed plate of right-hand component along vibration damping silk direction along clockwise angle along plane and the fixed plate of vibration damping silk direction.When the angle of the plane along vibration damping silk direction and fixed plate is miter angle, effect is best.
In vibration isolator, the number of turns value of vibration damping silk is:
R＝(1*10
8L+100D)
1/2
Wherein, R is the number of turns of vibration damping silk, gets the integer-bit of this value, the thickness that the length that L is fixed plate, D are fixed plate.
As shown in Figure 5-Figure 8, in vibration damping silk, metal-rubber 6 is installed.Here said metal-rubber refers to the class rubber cellular structure material being stamped to form by wire gaze.Metal-rubber add the performance that can improve to a greater extent vibration isolator.
The utility model also proposes a kind of air bottle that this vibration isolator is installed as shown in Figure 10-Figure 11, and this air bottle comprises that body, screw down nonreturn valve, stop valve, safety valve, pressure gauge, people control device.The bottom of air bottle and side are provided with above-mentioned three-dimensional isolation device, and three-dimensional isolation device is connected with air bottle or stationary plane by fixed plate.Fixed plate can be to be connected by rivet with stationary plane, also can use other method in engineering science.
Be the optimum embodiment of the utility model vibration isolator as shown in figure 12: the plane that left and right part vibration damping silk is wound around through penetration hole is symplex structure, and plane and fixed plate are miter angle.
Claims (10)
1. a three-dimensional isolation device, comprise upper and lower two fixed plates and vibration damping silk, it is characterized in that: on fixed plate, be evenly distributed with the penetration hole mating with vibration damping silk, vibration damping silk links together two fixed plates in the shape of a spiral by the penetration hole putting in order successively by two fixed plates of penetration hole on fixed plate from top to bottom.
2. a kind of three-dimensional isolation device according to claim 1, is characterized in that: described vibration damping silk is comprised of elastic wire and rigidity steel wire, and elastic wire is at vibration damping Si center, and rigidity steel wire winding is peripheral at elastic wire.
3. a kind of three-dimensional isolation device according to claim 1 and 2, is characterized in that: described vibration damping silk is more than or equal to 15 degree along the plane of vibration damping silk direction and the angle of fixed plate, is less than 90 degree.
4. a kind of three-dimensional isolation device according to claim 1 and 2, is characterized in that: described vibration damping silk is 15 degree angles or 30 degree angles or miter angle or 60 degree angle or an angle of 90 degrees along the plane of vibration damping silk direction and the angle of fixed plate.
5. a kind of three-dimensional isolation device according to claim 3, it is characterized in that: described vibration isolator is divided into left and right two-part, left-hand component along the plane of vibration damping silk direction and the angle of fixed plate and right-hand component along the plane of vibration damping silk direction and the angle of fixed plate not etc.
6. a kind of three-dimensional isolation device according to claim 4, it is characterized in that: described vibration isolator is divided into left and right two-part, left-hand component along the plane of vibration damping silk direction and the angle of fixed plate and right-hand component along the plane of vibration damping silk direction and the angle of fixed plate not etc.
7. a kind of three-dimensional isolation device according to claim 5, it is characterized in that: described vibration isolator is divided into left and right two-part, left-hand component equates along counterclockwise angle with plane and the fixed plate of right-hand component along vibration damping silk direction along clockwise angle along plane and the fixed plate of vibration damping silk direction.
8. a kind of three-dimensional isolation device according to claim 6, it is characterized in that: described vibration isolator is divided into left and right two-part, left-hand component equates along counterclockwise angle with plane and the fixed plate of right-hand component along vibration damping silk direction along clockwise angle along plane and the fixed plate of vibration damping silk direction.
9. a kind of three-dimensional isolation device according to claim 8, is characterized in that: in described vibration damping silk, metal-rubber is installed.
10. the air bottle that three-dimensional isolation device claimed in claim 1 is installed, is characterized in that: the bottom of air bottle and side are provided with three-dimensional isolation device, and three-dimensional isolation device is connected with air bottle or stationary plane by fixed plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420079864.2U CN203906632U (en) | 2014-02-25 | 2014-02-25 | Three-dimensional vibration isolator and air bottle employing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420079864.2U CN203906632U (en) | 2014-02-25 | 2014-02-25 | Three-dimensional vibration isolator and air bottle employing same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203906632U true CN203906632U (en) | 2014-10-29 |
Family
ID=51780914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420079864.2U Expired - Fee Related CN203906632U (en) | 2014-02-25 | 2014-02-25 | Three-dimensional vibration isolator and air bottle employing same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203906632U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103851115A (en) * | 2014-02-25 | 2014-06-11 | 江苏江海船舶设备制造有限公司 | Three-dimensional vibration isolator and air bottle thereof |
| CN114321249A (en) * | 2022-01-14 | 2022-04-12 | 华南农业大学 | Three-dimensional spiral unit with inertial volume effect, mechanical metamaterial and application of three-dimensional spiral unit |
-
2014
- 2014-02-25 CN CN201420079864.2U patent/CN203906632U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103851115A (en) * | 2014-02-25 | 2014-06-11 | 江苏江海船舶设备制造有限公司 | Three-dimensional vibration isolator and air bottle thereof |
| CN114321249A (en) * | 2022-01-14 | 2022-04-12 | 华南农业大学 | Three-dimensional spiral unit with inertial volume effect, mechanical metamaterial and application of three-dimensional spiral unit |
| CN114321249B (en) * | 2022-01-14 | 2022-11-29 | 华南农业大学 | Three-dimensional spiral unit with inertial volume effect, mechanical metamaterial and application of three-dimensional spiral unit |
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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 |
Granted publication date: 20141029 Termination date: 20160225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |