CN2289906Y - Limiter damping vibration attenuation device - Google Patents
Limiter damping vibration attenuation device Download PDFInfo
- Publication number
- CN2289906Y CN2289906Y CN 97239637 CN97239637U CN2289906Y CN 2289906 Y CN2289906 Y CN 2289906Y CN 97239637 CN97239637 CN 97239637 CN 97239637 U CN97239637 U CN 97239637U CN 2289906 Y CN2289906 Y CN 2289906Y
- Authority
- CN
- China
- Prior art keywords
- spring
- brake pad
- vibration
- bearing
- vibration body
- 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.)
- Expired - Fee Related
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- Vibration Prevention Devices (AREA)
Abstract
The utility model relates to a damping vibration attenuation device, which can limit the amplitude of inertia mechanical vibrations, and is composed of a supporting seat which is fixedly connected to a base, springs which are arranged on the supporting seat and friction blocks which are under stress of the spring, wherein, the force application direction of the spring is perpendicular to the direction of the vibration of an external vibration body; the working plane of the friction block is under the action of the spring and is pressed tightly on the side wall of the external vibration body; stop blocks of the friction block are arranged on the supporting seat; the friction is generated under the condition that relative slip is generated between the friction block and the vibration body when the vibration amplitude of the vibration body excesses the designed value, and thereby, the effect of the damping vibration attenuation is gained to the vibration body.
Description
The utility model relates to a kind of damping device, particularly a kind of damping device that limits inertia mechanical vibration amplitude.
The inertia-type vibrating machine as oscillatory type wind screen, distributor and pebble mill etc., is generally all worked under super resonance state.Therefore in some cases; as in the process of shutting down, starting; all to pass through point of resonance; its resonance amplitude is the several times of proper functioning amplitude often; equipment also correspondingly increases several times to the dynamic load of ground simultaneously; the also corresponding increase of dynamic stress of vibration body can cause vibrating the damage of body when serious.So the design safety factor value of this class vibrating machine is bigger, ground also need carry out reinforced processing.The destruction of being brought in order to prevent to resonate normally increase the gap between vibration equipment body and the fixed body, but this also can be brought other problem.As for fear of the collision and the harm that brings can strengthen the gap between them when the resonance of screening distributor oscillating body and dust hood and hopper, leak out and the airborne dust increase but do like this and can make, make environment be subjected to severe contamination on the contrary.
The purpose of this utility model provides a kind of amplitude limit damping device that can have the amplitude limit damping effect to inertial oscillation machinery.
The solution that realizes the utility model purpose is: the amplitude limit damping device that is provided is formed by connecting firmly at the bearing on the basis, the spring and the stressed brake pad in this spring that are installed on the bearing.The application of force direction of its medi-spring is vertical with the direction of vibration of external vibration body, and the working plane of brake pad is being pressed on the sidewall of external vibration body under the effect of aforementioned spring.In addition, on aforesaid bearing, also be provided with the bounding means of brake pad, the peak swing of the external vibration body that the distance between this bounding means and brake pad equals to set.Constituted a pair of fastness between above-mentioned brake pad and the oscillating body.Do not have relative movement between oscillating body and the brake pad when the oscillating body proper functioning, brake pad will move with oscillating body.When the amplitude of oscillating body surpassed setting value, the displacement of brake pad was subjected to the restriction of bounding means, then will slide relative be arranged between brake pad and the oscillating body and produced friction, thereby oscillating body has been played damping vibration attenuation function.
The bounding means of above-mentioned brake pad can be the bearing sidewall that has slotted eye, and brake pad places among this slotted eye.
In addition, on above-mentioned bearing, also can be provided with one by the movable spring seat with promote the spring controlling mechanism that adjusting bolt that this spring seat moves is formed, be used for Regulation spring power, to adapt to different amplitude limit requirements.
Of the present utility model simple in structure, easy to adjust.Consumed energy hardly when the vibrating machine proper functioning; Can limit its amplitude at oscillating body effectively through in the process of point of resonance, farthest reduce the harm that resonance is brought.
Below in conjunction with accompanying drawing content of the present utility model is illustrated.
Accompanying drawing is an an embodiment's of the present utility model structural drawing.
As shown in the figure: bearing 3 is box frames of a welding, and a receiver 8 is equipped with in its left side, a movable spring seat 7 is housed on the receiver 8 and regulates bolt 9, and spring 4 is between movable spring seat 7 and another spring seat 5.Brake pad 6 combines as a whole with spring seat 5, and is pressed on the sidewall of oscillating body 1.Have slotted eye 12 on the right side wall 11 of bearing 3, brake pad 6 is arranged in slotted eye 12, and the peak swing δ of the oscillating body 1 that the spacing of brake pad 6 and slotted eye 12 equals to set, and promptly the ultimate range that moves up or down of brake pad is δ.When this example was used for wind screen, the top of its bearing 3 can link with the spring seat 2 of wind screen, linked with basis 10 below, and the oscillating body 1 of wind screen is done vertical vibration.When the amplitude of oscillating body 1 during less than δ brake pad 6 do not have slide relative between the two with oscillating body 1 motion.When the amplitude of oscillating body 1 surpasses δ, because brake pad is mobile restricted in slotted eye 12, so and produce sliding friction between the oscillating body 1, thereby oscillating body 1 is played damping vibration attenuation function.The big I of spring force is regulated by bolt 9.Brake pad 6 can adopt nonmetallic material such as rubber, nylon, also can adopt metallic material.
The utility model also can be used on the motor vehicle, in order to reduce random shock power.
Claims (3)
1, a kind of amplitude limit damping device, its spy is by the bearing (3) that connects firmly on the basis, the spring (4) and the stressed brake pad in this spring (6) that are installed on the bearing (3) are formed, the application of force direction of its medi-spring (4) is vertical with the direction of vibration of external vibration body (1), the working plane of brake pad (6) is being pressed under the effect of aforementioned spring on the sidewall of external vibration body (1), in addition, on aforesaid bearing (1), also be provided with the bounding means of brake pad (6), the peak swing of the external vibration body (1) that the distance between this bounding means and brake pad (6) equals to set.
2, vibration damping equipment as claimed in claim 1, the bounding means that it is characterized in that described brake pad (6) can be the bearing sidewalls (11) that has slotted eye (12), and brake pad (6) places among this slotted eye (12).
3, vibration damping equipment as claimed in claim 1 is characterized in that being provided with the spring controlling mechanism that an adjusting bolt (9) that is moved by movable spring seat (7) and this spring seat of promotion is formed on described bearing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97239637 CN2289906Y (en) | 1997-05-27 | 1997-05-27 | Limiter damping vibration attenuation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97239637 CN2289906Y (en) | 1997-05-27 | 1997-05-27 | Limiter damping vibration attenuation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2289906Y true CN2289906Y (en) | 1998-09-02 |
Family
ID=33949575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97239637 Expired - Fee Related CN2289906Y (en) | 1997-05-27 | 1997-05-27 | Limiter damping vibration attenuation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2289906Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104279039A (en) * | 2013-07-04 | 2015-01-14 | 丰田自动车株式会社 | Vehicle |
| CN111089139A (en) * | 2019-12-16 | 2020-05-01 | 珠海格力电器股份有限公司 | Vibration damper |
-
1997
- 1997-05-27 CN CN 97239637 patent/CN2289906Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104279039A (en) * | 2013-07-04 | 2015-01-14 | 丰田自动车株式会社 | Vehicle |
| CN104279039B (en) * | 2013-07-04 | 2017-01-04 | 丰田自动车株式会社 | Vehicle with a steering wheel |
| CN111089139A (en) * | 2019-12-16 | 2020-05-01 | 珠海格力电器股份有限公司 | Vibration damper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |