CN111998026A - Vibration isolation device with rubber spring structure - Google Patents
Vibration isolation device with rubber spring structure Download PDFInfo
- Publication number
- CN111998026A CN111998026A CN202010969787.8A CN202010969787A CN111998026A CN 111998026 A CN111998026 A CN 111998026A CN 202010969787 A CN202010969787 A CN 202010969787A CN 111998026 A CN111998026 A CN 111998026A
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- China
- Prior art keywords
- base
- rubber
- vibration isolation
- top cover
- isolation device
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F3/00—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic
- F16F3/08—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of a material having high internal friction, e.g. rubber
- F16F3/10—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of a material having high internal friction, e.g. rubber combined with springs made of steel or other material having low internal friction
- F16F3/12—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of a material having high internal friction, e.g. rubber combined with springs made of steel or other material having low internal friction the steel spring being in contact with the rubber spring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2230/00—Purpose; Design features
- F16F2230/10—Enclosure elements, e.g. for protection
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a vibration isolation device with a rubber spring structure, which comprises a base, a top cover, a draw bolt and a compression nut, wherein the draw bolt and the compression nut are used for fixing the top cover and the base, a steel spring is arranged between the top cover and the base and correspondingly sleeved outside a rod body of the draw bolt, an annular gasket is arranged between the connection part of the steel spring and the base, and vulcanized rubber is vulcanized and bonded on the upper surface of the base. According to the vibration isolation device, the vibration isolation mode with the steel spring as the main part and the rubber base as the auxiliary part is adopted, the vibration of the engineering machinery in the vertical direction can be reduced, meanwhile, the damping of the rubber base enables the damping coefficient of the whole vibration isolation device to be improved, a better vibration attenuation effect is achieved, the steel spring and the rubber base are mutually independent, the vibration isolation device can be improved and modified, the vibration isolation device can be applied to more using environments, the rubber base is fixed with the top cover, a semi-closed state of the vibration isolation part is formed, the rubber is protected from being corroded by external substances, the aging problem of the rubber is relieved, and the service life.
Description
Technical Field
The invention relates to the field of vibration isolation devices, in particular to a vibration isolation device with a rubber spring structure.
Background
With the development of the times, the engineering machinery increasingly focuses on avoiding resonance between the machinery and the surrounding environment during development and design. Aiming at the requirement, at present, the measures for mechanically avoiding resonance at home and abroad are as follows: the mechanical structure is improved, the manufacturing quality is improved, and a plurality of vibration isolation devices are added.
The existing vibration isolation devices mainly comprise rubber vibration isolation devices and steel spring vibration isolation devices. Wherein, the rubber vibration isolation device is easy to generate thermal stress fatigue and aging phenomena under the variable load working condition; the steel spring vibration isolation device has the advantages of small inherent damping, long free attenuation period and easy generation of resonance and propagation of high-frequency vibration. The research and development of a vibration damping device with good vibration damping and noise reduction effects, long service life and more excellent comprehensive performance are the key points of attention of technical personnel in the field.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides the vibration isolation device with the rubber spring structure, which adopts a vibration isolation mode that a steel spring is taken as a main part and a rubber support is taken as an auxiliary part, thereby effectively solving the problems that the inherent damping of a steel spring is low, and resonance and high-frequency vibration are easy to generate and propagate; meanwhile, due to the semi-closed structural design, the aging problem of rubber can be relieved, and the service life of the vibration isolation device is prolonged.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides an isolation mounting of rubber spring structure, includes the stay bolt, the crimping nut of base, top cap, fixed top cap and base, be provided with the steel spring between top cap and the base, and the steel spring corresponds the cover and puts the pole body outside at the stay bolt, be provided with annular gasket between steel spring and the base junction, the upper surface vulcanization of base bonds there is vulcanized rubber.
As a further description of the above technical solution:
the top cover is fixedly arranged to be a cylindrical shape, a vertical cylinder with the same inner diameter as the steel spring is arranged in the middle of the upper portion of the inner side of the top cover, the steel spring is correspondingly sleeved on the vertical cylinder on the inner side of the top cover, and the outer surface of the steel spring is not in contact with the inner wall of the top cover.
As a further description of the above technical solution:
the annular gasket is oppositely arranged on the surface of vulcanized rubber, the inner diameter of the annular gasket is larger than the rod diameter of the pull rod bolt, and the inner wall of the annular gasket is not in surface contact with the pull rod bolt.
As a further description of the above technical solution:
the upper end of the rod body of the pull rod bolt is correspondingly connected to the upper surface of the top cover in a pulling mode, the upper end face of the pull rod bolt is the same as the upper surface of the top cover, the lower end of the pull rod bolt is correspondingly connected with the compression nut in a switching mode to achieve relative fixing of the top cover and the base, a certain gap is transversely designed between the pull rod bolt and the base with vulcanized rubber, and the compression nut is coated with anti-loosening thread rubber when in threaded connection with the pull rod bolt.
As a further description of the above technical solution:
the vulcanized rubber is coated on the surface of the base connected with other parts, and is vulcanized and bonded on the surface of the base through adhesive cement.
As a further description of the above technical solution:
vulcanized rubber is filled between the inner side of the lower end of the top cover and the upper surface of the base.
As a further description of the above technical solution:
waist-shaped surfaces are arranged on two sides of the rod body of the draw-bar bolt, and the shape of the inserting hole on the top cover corresponds to that of the draw-bar bolt.
The invention has the following beneficial effects:
1. in the vibration isolation device with the rubber spring structure, the vibration isolation mode with the steel spring as the main part and the rubber base as the auxiliary part is adopted, so that the vibration of the engineering machinery in the vertical direction can be reduced, and meanwhile, the damping of the rubber base per se improves the damping coefficient of the whole vibration isolation device, thereby achieving better vibration attenuation effect.
2. In the vibration isolation device with the rubber spring structure, the steel spring and the rubber base are mutually independent, so that the replaceability of the vibration isolation device is improved, and the vibration isolation device can be applied to more use environments.
3. In the vibration isolation device with the rubber spring structure, the rubber base and the top cover are fixed to form a semi-closed state of the vibration isolation piece, so that rubber is protected from being corroded by external substances, the aging problem of the rubber is relieved, and the service life of the vibration isolation device is prolonged.
Drawings
Fig. 1 is a schematic view of a rubber spring-structured vibration isolating device;
fig. 2 is a longitudinal sectional view of a vibration isolating device of a rubber spring structure;
FIG. 3 is a top view of a rubber spring-structured vibration isolation device;
fig. 4 is a bottom view of a stay bolt of the vibration isolation device of a rubber spring structure.
Illustration of the drawings:
1. a draw bar bolt; 2. a top cover; 3. a steel spring; 4. an annular gasket; 5. crimping the nut; 6. a base; 7. and (3) vulcanizing the rubber.
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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, one embodiment of the present invention is provided: the utility model provides a vibration isolation device of rubber spring structure, the on-line screen storage device comprises a base 6, top cap 2, the stay bolt 1 of fixed top cap 2 and base 6, crimping nut 5, the component part of device is provided, be provided with steel spring 3 between top cap 2 and the base 6, realize corresponding shock attenuation operation, and steel spring 3 corresponds the cover and puts the pole body outside at stay bolt 1, be provided with annular gasket 4 between steel spring 3 and the 6 junction of base, realize the independence on steel spring 3 and rubber layer, improve the removable modification of vibration isolation device, the upper surface vulcanization of base 6 bonds and has vulcanized rubber 7, realize the vibration isolation operation.
The top cover 2 is fixedly arranged into a cylindrical shape, the middle position of the upper part of the inner side of the top cover 2 is provided with a vertical cylinder with the same inner diameter as the steel spring 3, the steel spring 3 is correspondingly sleeved on the vertical cylinder on the inner side of the top cover 2, the position fixation of the steel spring 3 is realized, simultaneously, the position of the steel spring 3 is limited, the steel spring 3 is prevented from contacting with the inner walls of the pull rod bolt 1 and the top cover 2 to generate resonance, the outer surface of the steel spring 3 is not contacted with the inner wall of the top cover 2, the annular gasket 4 is oppositely arranged on the surface of vulcanized rubber 7, the inner diameter of the annular gasket 4 is larger than the rod diameter of the pull rod bolt 1, the inner wall of the annular gasket 4 is not contacted with the surface of the pull rod bolt 1, when the steel spring 3 is pressed by the annular gasket 4, the load is uniformly distributed on a base 6 fixed with the vulcanized rubber 7, the upper end of the rod body of the pull rod bolt 1 is, the surface smoothness is ensured, the lower end of the pull rod bolt 1 is correspondingly connected with the compression joint nut 5 in a switching mode to realize the relative fixation of the top cover 2 and the base 6, a certain gap is designed between the pull rod bolt 1 and the base 6 with vulcanized rubber 7 in the transverse direction to limit the excessive movement of the top cover 2 on the transverse displacement, the compression joint nut 5 is coated with anti-loosening threaded glue when in threaded connection with the pull rod bolt 1 to increase the connection tightness, the vulcanized rubber 7 is coated on the surface of other parts connected with the base 6 to ensure that the connection position has vibration isolation performance, the vulcanized rubber 7 is vulcanized and bonded on the surface of the base 6 through glue cement, the vulcanized rubber 7 is filled between the inner side of the lower end of the top cover 2 and the upper surface of the base 6 to ensure that the top cover 2 and the base 6 have corresponding high vibration isolation performance, waist-shaped surfaces are arranged on two sides of the rod body of the pull rod bolt 1, and, the stay bolt 1 can be effectively prevented from rotating inside the head cover 2.
The working principle is as follows: in the component structure of vibration isolation device, steel spring 3 has been adopted as the main, vulcanized rubber 7 covers the vibration isolation mode that base 6 is for assisting, can reduce the ascending vibration of engineering machine tool in vertical direction, vulcanized rubber 7 covers base 6 itself and has corresponding damping simultaneously, make whole vibration isolation device's damping coefficient improve, better damping effect has been reached, steel spring 3 and base 6 that vulcanized rubber 7 covers pass through annular gasket 4 mutual independence, the changeable of vibration isolation device has been improved, can use in more service environment, rubber base 6 and top cap 2's are fixed, the semi-closed state of vibration isolation spare has been constituted, the ageing problem of vulcanized rubber 7 has been slowed down, vibration isolation device's life has been improved, whole vibration isolation is effectual, and the practicality is high.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides a vibration isolation mounting of rubber spring structure which characterized in that: the steel spring type tie rod comprises a base (6), a top cover (2), a fixed top cover (2) and a draw rod bolt body (1) of the base (6) and a crimping nut (5), a steel spring (3) is arranged between the top cover (2) and the base (6), the steel spring (3) is correspondingly sleeved outside the rod body of the draw rod bolt body (1), an annular gasket (4) is arranged between the joint of the steel spring (3) and the base (6), and vulcanized rubber (7) is bonded on the upper surface of the base (6) in a vulcanization mode.
2. The vibration isolation device of a rubber spring structure according to claim 1, wherein: the top cover (2) is fixedly arranged to be a cylindrical shape, a vertical cylinder with the same inner diameter as the steel spring (3) is arranged in the middle of the upper portion of the inner side of the top cover (2), the steel spring (3) is correspondingly sleeved on the vertical cylinder on the inner side of the top cover (2), and the outer surface of the steel spring (3) is not in contact with the inner wall of the top cover (2).
3. The vibration isolation device of a rubber spring structure according to claim 1, wherein: the annular gasket (4) is arranged on the surface of the vulcanized rubber (7) relatively, the inner diameter of the annular gasket (4) is larger than the rod diameter of the pull rod bolt (1), and the inner wall of the annular gasket (4) is not in surface contact with the pull rod bolt (1).
4. The vibration isolation device of a rubber spring structure according to claim 1, wherein: the upper end of the rod body of the pull rod bolt (1) is correspondingly connected to the upper surface of the top cover (2) in a pulling mode, the upper end face of the pull rod bolt (1) is identical to the upper surface of the top cover (2), the lower end of the pull rod bolt (1) corresponds to the crimping nut (5) in a switching mode to achieve relative fixing of the top cover (2) and the base (6), a certain gap is transversely designed between the pull rod bolt (1) and the base (6) with vulcanized rubber (7), and the crimping nut (5) is coated with anti-loosening thread rubber when in threaded connection with the pull rod bolt (1).
5. The vibration isolation device of a rubber spring structure according to claim 1, wherein: the vulcanized rubber (7) is coated on the surface of the base (6) connected with other parts, and the vulcanized rubber (7) is adhered to the surface of the base (6) through adhesive cement vulcanization.
6. The vibration isolation device of a rubber spring structure according to claim 1, wherein: vulcanized rubber (7) is filled between the inner side of the lower end of the top cover (2) and the upper surface of the base (6).
7. The vibration isolation device of a rubber spring structure according to claim 1, wherein: waist-shaped surfaces are arranged on two sides of the rod body of the pull rod bolt (1), and the shape of the inserting hole on the top cover (2) corresponds to that of the pull rod bolt (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010969787.8A CN111998026A (en) | 2020-09-15 | 2020-09-15 | Vibration isolation device with rubber spring structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010969787.8A CN111998026A (en) | 2020-09-15 | 2020-09-15 | Vibration isolation device with rubber spring structure |
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| Publication Number | Publication Date |
|---|---|
| CN111998026A true CN111998026A (en) | 2020-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010969787.8A Pending CN111998026A (en) | 2020-09-15 | 2020-09-15 | Vibration isolation device with rubber spring structure |
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| CN (1) | CN111998026A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113389835A (en) * | 2021-06-08 | 2021-09-14 | 福州大学 | Integrated composite vibration isolator based on metal rubber and working method thereof |
-
2020
- 2020-09-15 CN CN202010969787.8A patent/CN111998026A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113389835A (en) * | 2021-06-08 | 2021-09-14 | 福州大学 | Integrated composite vibration isolator based on metal rubber and working method thereof |
| CN113389835B (en) * | 2021-06-08 | 2022-08-12 | 福州大学 | Integrated composite vibration isolator based on metal rubber and working method thereof |
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