CN204512275U - Spring damping and vibration isolating device - Google Patents
Spring damping and vibration isolating device Download PDFInfo
- Publication number
- CN204512275U CN204512275U CN201520138239.5U CN201520138239U CN204512275U CN 204512275 U CN204512275 U CN 204512275U CN 201520138239 U CN201520138239 U CN 201520138239U CN 204512275 U CN204512275 U CN 204512275U
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- pressing plate
- spring
- spring pressing
- cover plate
- threaded stem
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Abstract
The utility model relates to a kind of spring damping and vibration isolating device, comprise shell, upper spring pressing plate, lower spring pressing plate, spring, threaded stem and damping rubber block, the two ends of described shell are fixedly connected with lower cover plate with upper cover plate respectively, described upper spring pressing plate and lower spring pressing plate are flexibly connected in the enclosure respectively, described spring is connected between upper spring pressing plate and lower spring pressing plate, described damping rubber block is connected between spring and lower spring pressing plate, described spring is connected with damping rubber block by backing plate, one end of described threaded stem is connected with lower spring pressing plate with upper spring pressing plate through upper cover plate successively, described upper spring pressing plate is flexibly connected with threaded stem, the other end of described threaded stem is connected with the first spherical plain bearing rod end, described lower cover plate is connected with the second spherical plain bearing rod end.The design plays the effect of double-layer vibration damping by spring and damping rubber pad, improves its damping vibration attenuation effect.
Description
Technical field
The utility model relates to damping vibration attenuation field, particularly a kind of spring damping and vibration isolating device.
Background technique
The equipment carried the pipeline of various flowing object and change for matter chemistry physics, is subject to the impact of flowing object and material operating temperature, and larger change can occur in the position of operation and shut down condition.Pulsation when moving by flowing object and material and the vibrational perturbation of dynamic power machine, pipeline and equipment can produce vibration.Excessive vibration can cause pipeline and equipment or joint occur serious reversed of stress and cause the accident.Thus need suppress the vibration of pipeline and equipment or eliminate.Conventional method is the suitable position mounting spring vibration damper at pipeline and equipment.
Because the heat displacement amount of pipeline and equipment is comparatively large, the payload values of vibration is also comparatively large, can adapt to the spring normally cylindroid helicalcoil compression spring of Large travel range and heavy load.For being contained in pipeline after spring configuration load shell, connector element and length and load adjustment object or between equipment and structural element, suppressing or eliminate vibration.
Vibration to be suppressed completely, the antivibration power of spring should be made to be greater than the vibration force of pipeline or equipment.But in actual applications, the vibration force be subject to due to cause specific equipment can be greater than the antivibration power that spring provides, now because the precompressed amount of spring cannot regulate, and the vibration causing spring damping and vibration isolating device cannot offset object being subject to, thus object is caused the accident due to reversed of stress.
Summary of the invention
The utility model technical issues that need to address are played the effect of double-layer vibration damping, improves its damping vibration attenuation effect; A kind of spring damping and vibration isolating device is provided.
For solving above-mentioned technical problem, structure of the present utility model comprises shell, upper spring pressing plate, lower spring pressing plate, spring, threaded stem and damping rubber block, the two ends of described shell are fixedly connected with lower cover plate with upper cover plate respectively, described upper spring pressing plate and lower spring pressing plate are flexibly connected in the enclosure respectively, described spring is connected between upper spring pressing plate and lower spring pressing plate, described damping rubber block is connected between spring and lower spring pressing plate, described spring is connected with damping rubber block by backing plate, one end of described threaded stem is connected with lower spring pressing plate with upper spring pressing plate through upper cover plate successively, described upper spring pressing plate is flexibly connected with threaded stem, the other end of described threaded stem is connected with the first spherical plain bearing rod end, described threaded stem is flexibly connected with upper cover plate by guide sleeve, described upper spring pressing plate is connected with pre-tightening force adjusting device, described lower cover plate is connected with the second spherical plain bearing rod end.
Further: described pre-tightening force adjusting device comprises adjusting sleeve and the first locking nut, described guide sleeve is connected with upper cover plate by adjusting sleeve, the outside of described adjusting sleeve is provided with external connection screw, described upper cover plate offers the first tapped through hole, described adjusting sleeve is connected in the first tapped through hole on upper cover plate by external connection screw, one end of described adjusting sleeve is connected with upper spring pressing plate through upper cover plate, and the adjusting sleeve outside described upper cover plate has been rotatably connected the first locking nut.
Further again: described lower spring pressing plate is provided with the dimple of upwards spring bearer plate depression, described damping rubber block is connected to the outside of dimple, one end of described threaded stem stretches in the dimple of lower spring pressing plate, and the described threaded stem stretched in dimple has been rotatably connected the second locking nut.
After adopting said structure, the utility model plays the effect of double-layer vibration damping by spring and damping rubber pad, improves its damping vibration attenuation effect; And it can carry out the precompressed amount of Regulation spring by pre-tightening force adjusting device, thus change the vibration resistance of spring; And the design also has the advantage that structure is simple, be easy to manufacture, practicality and high efficiency.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model.
Embodiment
A kind of spring damping and vibration isolating device as shown in Figure 1, comprise shell 1, upper spring pressing plate 2, lower spring pressing plate 3, spring 4, threaded stem 5 and damping rubber block 14, the two ends of described shell 1 are fixedly connected with lower cover plate 7 with upper cover plate 6 respectively, described upper spring pressing plate 2 and lower spring pressing plate 3 are movably connected in shell 1 respectively, described spring 4 is connected between upper spring pressing plate 2 and lower spring pressing plate 3, described damping rubber block 14 is connected between spring 4 and lower spring pressing plate 3, described spring 4 is connected with damping rubber block 14 by backing plate 13, one end of described threaded stem 5 is connected with lower spring pressing plate 3 with upper spring pressing plate 2 through upper cover plate 6 successively, described upper spring pressing plate 2 is flexibly connected with threaded stem 5, the other end of described threaded stem 5 is connected with the first spherical plain bearing rod end 8, described threaded stem 5 is flexibly connected with upper cover plate 6 by guide sleeve 9, described upper spring pressing plate 2 is connected with pre-tightening force adjusting device, described lower cover plate 7 is connected with the second spherical plain bearing rod end 10.Described lower spring pressing plate 3 is provided with the dimple that upwards spring bearer plate 2 caves in, described damping rubber block 14 is connected to the outside of dimple, one end of described threaded stem 5 stretches in the dimple of lower spring pressing plate 3, and the described threaded stem 5 stretched in dimple has been rotatably connected the second locking nut 15.Before work, be connected with object to be damped by the first spherical plain bearing rod end 8, be connected with fixed support by the second spherical plain bearing rod end 10; After object is subject to impacting generation vibration, first spherical plain bearing rod end 8 can pull lower spring pressing plate 3 by threaded stem 5, make lower spring pressing plate 3 towards upper spring pressing plate 2 motion extrusion spring 4, carry out damping vibration attenuation by spring 4 and consume impact energy, and owing to being also provided with damping rubber block 14 between spring 4 and lower spring pressing plate 3, after damping rubber block 14 pressurized, deformation impact energy partly also can be offset; The design plays the effect of double-layer vibration damping by spring and damping rubber pad, improves its damping vibration attenuation effect.After impact energy is all exhausted, the spring 4 be compressed and the damping rubber block 14 of deformation provide a reaction force all can to lower spring pressing plate 3, make it be returned to original position.When run on-the-spot find that vibration damper is not enough to resist the impact that object is subject to time, by the vibration resistance regulating pre-tightening force adjusting device to improve spring 4, the impact shock power making the antivibration power of spring 4 be greater than object to be subject to, thus effect object being played to vibration damping protection; And the design realizes the connection of spring cushion and object to be damped by joint shaft bearing, play the effect preventing spring generation beat, enhance the stability of structure.
Pre-tightening force adjusting device as shown in Figure 1 comprises adjusting sleeve 11 and the first locking nut 12, described guide sleeve 9 is connected with upper cover plate 6 by adjusting sleeve 11, the outside of described adjusting sleeve 11 is provided with external connection screw, described upper cover plate 6 offers the first tapped through hole, described adjusting sleeve 11 is connected in the first tapped through hole on upper cover plate 6 by external connection screw, one end of described adjusting sleeve 11 is connected with upper spring pressing plate 2 through upper cover plate 6, and the adjusting sleeve 11 outside described upper cover plate 6 has been rotatably connected the first locking nut 12.When run on-the-spot find that vibration damper is not enough to resist the impact that object is subject to time, first rotating the first locking nut 12 makes it be separated with upper cover plate 6, then rotate adjusting sleeve 11 to change it and stretch into length in shell 1, utilize adjusting sleeve 11 to promote upper spring pressing plate 2, thus change the precompressed amount of spring 4, after the precompressed amount of spring 4 meets the demands, counterrotating first locking nut 12 makes it be connected with upper cover plate 6, the position of adjusting sleeve 11 can not changed, fixing of complete paired springs 4 precompressed amount.The design improves the vibration resistance of spring 4 by regulating pre-tightening force adjusting device, the impact shock power making the antivibration power of spring 4 be greater than object to be subject to, thus object is played to the effect of vibration damping protection; And the design also has the advantage that structure is simple, be easy to manufacture, practicality and high efficiency.
Claims (3)
1. a spring damping and vibration isolating device, it is characterized in that: comprise shell (1), upper spring pressing plate (2), lower spring pressing plate (3), spring (4), threaded stem (5) and damping rubber block (14), the two ends of described shell (1) are fixedly connected with lower cover plate (7) with upper cover plate (6) respectively, described upper spring pressing plate (2) and lower spring pressing plate (3) are movably connected in shell (1) respectively, described spring (4) is connected between upper spring pressing plate (2) and lower spring pressing plate (3), described damping rubber block (14) is connected between spring (4) and lower spring pressing plate (3), described spring (4) is connected with damping rubber block (14) by backing plate (13), one end of described threaded stem (5) is connected with lower spring pressing plate (3) with upper spring pressing plate (2) through upper cover plate (6) successively, described upper spring pressing plate (2) is flexibly connected with threaded stem (5), the other end of described threaded stem (5) is connected with the first spherical plain bearing rod end (8), described threaded stem (5) is flexibly connected with upper cover plate 6 by guide sleeve (9), described upper spring pressing plate (2) is connected with pre-tightening force adjusting device, described lower cover plate (7) is connected with the second spherical plain bearing rod end (10).
2. spring damping and vibration isolating device according to claim 1, it is characterized in that: described pre-tightening force adjusting device comprises adjusting sleeve (11) and the first locking nut (12), described guide sleeve (9) is connected with upper cover plate (6) by adjusting sleeve (11), the outside of described adjusting sleeve (11) is provided with external connection screw, described upper cover plate (6) offers the first tapped through hole, described adjusting sleeve (11) is connected in the first tapped through hole on upper cover plate (6) by external connection screw, one end of described adjusting sleeve (11) is connected with upper spring pressing plate (2) through upper cover plate (6), the adjusting sleeve (11) in described upper cover plate (6) outside has been rotatably connected the first locking nut (12).
3. spring damping and vibration isolating device according to claim 1, it is characterized in that: described lower spring pressing plate (3) is provided with the dimple that upwards spring bearer plate (2) caves in, described damping rubber block (14) is connected to the outside of dimple, one end of described threaded stem (5) stretches in the dimple of lower spring pressing plate (3), and the described threaded stem (5) stretched in dimple has been rotatably connected the second locking nut (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520138239.5U CN204512275U (en) | 2015-03-11 | 2015-03-11 | Spring damping and vibration isolating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520138239.5U CN204512275U (en) | 2015-03-11 | 2015-03-11 | Spring damping and vibration isolating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204512275U true CN204512275U (en) | 2015-07-29 |
Family
ID=53710256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520138239.5U Expired - Fee Related CN204512275U (en) | 2015-03-11 | 2015-03-11 | Spring damping and vibration isolating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204512275U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108105301A (en) * | 2017-11-06 | 2018-06-01 | 洛阳轴承研究所有限公司 | A kind of rigidity loading system buffer unit and biaxial loadings way to play for time |
| CN111765197A (en) * | 2020-06-18 | 2020-10-13 | 常州大学 | Shock-resistant large-damping vibration isolator |
-
2015
- 2015-03-11 CN CN201520138239.5U patent/CN204512275U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108105301A (en) * | 2017-11-06 | 2018-06-01 | 洛阳轴承研究所有限公司 | A kind of rigidity loading system buffer unit and biaxial loadings way to play for time |
| CN111765197A (en) * | 2020-06-18 | 2020-10-13 | 常州大学 | Shock-resistant large-damping vibration isolator |
| CN111765197B (en) * | 2020-06-18 | 2021-07-16 | 常州大学 | Shock-resistant large-damping vibration isolator |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20190311 |