CN218625227U - Adjustable symmetrical spring shock absorber - Google Patents
Adjustable symmetrical spring shock absorber Download PDFInfo
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- CN218625227U CN218625227U CN202121944921.5U CN202121944921U CN218625227U CN 218625227 U CN218625227 U CN 218625227U CN 202121944921 U CN202121944921 U CN 202121944921U CN 218625227 U CN218625227 U CN 218625227U
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Abstract
The utility model belongs to the technical field of pressure pipeline vibration solution, and relates to an adjustable symmetrical spring shock absorber, which comprises a cylinder body, wherein a front end cover and a rear end cover are respectively fixed at two ends of the cylinder body, an action plate is arranged inside the cylinder body, the action plate divides a cavity inside the cylinder body into a front cavity and a rear cavity, a front spring and a rear spring are respectively arranged in the front cavity and the rear cavity, a spring pressing plate is arranged in the rear cavity, and the rear spring is arranged between the action plate and the spring pressing plate; one end of the adjusting rod penetrates through the rear end cover to be abutted against the spring pressing plate, the other end of the adjusting rod is positioned outside the cylinder, and the periphery of the adjusting rod is in threaded fit connection with the rear end cover; one end of the action rod penetrates through the adjusting rod and the spring pressing plate to be fixedly connected with the action plate; the other end of the action rod and the front end cover are respectively fixedly connected with an ear type joint bearing. The utility model discloses simple structure, the action is sensitive, the dependable performance, simple to operate is suitable for the wide band amplitude, can effectively solve the pipeline or the local vibration problem that takes place of equipment such as petrochemical.
Description
Technical Field
The utility model relates to a symmetrical spring damper with adjustable belongs to pipeline under pressure vibration and solves technical field.
Background
The pipeline or equipment of the current petrochemical and electric boilers can cause vibration due to pressure, temperature and rheological factors. The petrochemical device belongs to flammable and explosive working conditions, the safe operation of the device can be endangered when the pipeline vibrates, and even the welding line of the pipeline cracks when the pipeline is serious. Most of the existing vibration dampers applied to pipelines or equipment of petrochemical and electric boilers are unidirectionally stressed, have low sensitivity and are not suitable for being applied to wide-amplitude vibration occasions.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the adjustable symmetrical spring shock absorber is simple in structure, sensitive in action, reliable in performance, convenient to install, suitable for broadband amplitude and capable of effectively solving the problem of local vibration of pipelines or equipment in petrochemical industry and the like.
The adjustable symmetrical spring shock absorber comprises a cylinder body, wherein a front end cover and a rear end cover are respectively fixed at two ends of the cylinder body, an action plate is arranged in the cylinder body, the action plate divides an internal cavity of the cylinder body into a front cavity and a rear cavity, a front spring and a rear spring are respectively arranged in the front cavity and the rear cavity, a spring pressing plate is arranged in the rear cavity, and the rear spring is arranged between the action plate and the spring pressing plate; one end of the adjusting rod penetrates through the rear end cover to be abutted to the spring pressing plate, the other end of the adjusting rod is positioned outside the cylinder, and the periphery of the adjusting rod is in threaded fit connection with the rear end cover; one end of the action rod penetrates through the adjusting rod and the spring pressing plate to be fixedly connected with the action plate; the other end of the action rod and the front end cover are respectively fixedly connected with an ear type joint bearing.
When the device is delivered from a factory, the device is set according to force values and amplitude requirements, and when the device is used specifically, the device is connected with the other end of the action rod and the ear type joint bearing connected with the front end cover respectively through accessories, and then the device enters a working state; the ear type joint bearing can realize automatic adjustment of a certain angle. In the process of adjusting the size of the damping force, the adjusting rod is rotated, the distance between the adjusting rod and the front end cover is increased or reduced, and the front springs and the rear springs in the front cavity and the rear cavity are simultaneously side-length or shortened, so that the size adjustment of the damping force is easily realized. The front spring and the rear spring are stressed the same, so that the bidirectional stress is realized, the sensitivity is high, the broadband amplitude is high, the performance is reliable, the structure is simple, and the installation is convenient. The ear type joint bearing can be basically applied to any part needing vibration reduction, and the application range is wider.
Preferably, one end of the adjusting rod positioned outside the cylinder body is provided with a locking nut, so that the position of the adjusting rod is convenient to lock, and the position of the adjusting rod which is not necessarily arranged is prevented from moving to influence the vibration reduction effect.
Preferably, the low friction rings are respectively arranged between the spring pressing plate and the action rod and between the adjusting rod and the action rod, so that the friction force between the spring pressing plate and the action rod and between the adjusting rod and the action rod is small, and the device is more sensitive in response when being stressed.
Preferably, one side of the cylinder is provided with a movable long groove, one side of the movable long groove is provided with an amplitude scale, the amplitude scale and the movable long groove are parallel to the axis of the cylinder, and one end of a scale pointer matched with the amplitude scale penetrates through the movable long groove to be fixedly connected with the action plate. When the atress, the position of action board can take place the displacement along with the atress of action pole, drives the scale pointer simultaneous movement when the action board takes place the displacement, can know this device running state directly perceived through the numerical value of observing scale pointer instruction on the amplitude scale.
Preferably, the two sides of the action plate, one side of the front end cover facing the action plate and one side of the spring pressure plate facing the action plate are respectively provided with a spring seat ring coaxial with the cylinder, and the front spring and the rear spring are respectively sleeved on the periphery of the spring seat ring. The front spring and the rear spring are positioned by the arrangement of the spring seat ring, so that the front spring and the rear spring are effectively prevented from being dislocated to influence the vibration reduction effect.
Compared with the prior art, the utility model the beneficial effect who has is:
the utility model discloses simple structure, reasonable in design can two-way atress, and the action is sensitive, the dependable performance, and simple to operate is suitable for the wide band amplitude, can effectively solve the pipeline or the local vibration problem that takes place of equipment such as petrochemical, and the range of application is extensive.
Drawings
Fig. 1 is a schematic structural diagram of an adjustable symmetrical spring damper.
In the figure: 1. a knuckle bearing of the ear type; 2. a front end cover; 3. a front spring; 4. a barrel; 5. an action plate; 6. a rear spring; 7. a spring pressing plate; 8. a rear end cap; 9. locking the nut; 10. adjusting a rod; 11. a low friction ring; 12. moving the long groove; 13. an action lever; 14. an amplitude scale; 15. a scale pointer; 16. a spring retainer.
Detailed Description
The invention will be further described with reference to the accompanying drawings:
as shown in fig. 1, the adjustable symmetric spring shock absorber of the present invention comprises a cylinder 4, wherein a front end cap 2 and a rear end cap 8 are respectively fixed at two ends of the cylinder 4, an action plate 5 is arranged inside the cylinder 4, the action plate 5 divides the internal cavity of the cylinder into a front cavity and a rear cavity, a front spring 3 and a rear spring 6 are respectively arranged in the front cavity and the rear cavity, a spring pressing plate 7 is arranged in the rear cavity, and the rear spring 6 is arranged between the action plate 5 and the spring pressing plate 7; one end of an adjusting rod 10 penetrates through the rear end cover 8 and is abutted against the spring pressing plate 7, the other end of the adjusting rod 10 is positioned outside the barrel 4, and the periphery of the adjusting rod 10 is in threaded fit connection with the rear end cover 8; one end of the action rod 13 penetrates through the adjusting rod 10 and the spring pressing plate 7 to be fixedly connected with the action plate 5; the other end of the action rod 13 and the front end cover 2 are respectively fixedly connected with an ear type joint bearing 1.
In this embodiment:
one end of the adjusting rod 10 positioned outside the cylinder 4 is provided with a locking nut 9, so that the position of the adjusting rod 10 is convenient to lock, and the adjusting rod 10 is prevented from generating unnecessary position movement to influence the vibration reduction effect. The low friction rings 11 are respectively arranged between the spring pressing plate 7 and the action rod 13 and between the adjusting rod 10 and the action rod 13, so that the friction force between the spring pressing plate 7 and the action rod 13 and between the adjusting rod 10 and the action rod 13 is small, and the device is more sensitive in response when being stressed.
One side of the cylinder 4 is provided with a movable long groove 12, one side of the movable long groove 12 is provided with an amplitude scale 14, the amplitude scale 14 and the movable long groove 12 are both parallel to the axis of the cylinder 4, and one end of a scale pointer 15 matched with the amplitude scale 14 penetrates through the movable long groove 12 to be fixedly connected with the action plate 5. When the atress, action plate 5's position can be along with action 13's atress emergence displacement, and action plate 5 drives scale pointer 15 and removes simultaneously when taking place the displacement, can know this device running state directly perceived through observing the numerical value that scale pointer 15 instructed on amplitude scale 14.
The two sides of the action plate 5, one side of the front end cover 2 facing the action plate 5 and one side of the spring pressure plate 7 facing the action plate 5 are respectively provided with a spring seat 16 which is coaxial with the cylinder 4, and the front spring 3 and the rear spring 6 are respectively sleeved on the periphery of the spring seat 16. The front spring 3 and the rear spring 6 are positioned by the arrangement of the spring retainer 16, and the damping effect is effectively prevented from being influenced by the dislocation of the front spring 3 and the rear spring 6.
When the device is delivered from a factory, the device is set according to force values and amplitude requirements, when the device is used specifically, the device is connected with the other end of the action rod 13 and the ear type joint bearing 1 connected with the front end cover 2 respectively through accessories, and then the device enters a working state; the ear type joint bearing 1 can realize automatic adjustment of a certain angle. In the process of adjusting the size of the damping force, the adjusting rod 10 is rotated, the distance between the adjusting rod 10 and the front end cover 2 is increased or reduced, the side lengths of the front spring 3 and the rear spring 6 in the front cavity and the rear cavity are simultaneously shortened, and the size adjustment of the damping force is easily realized. The front spring 3 and the rear spring 6 are stressed identically, so that bidirectional stress is realized, the sensitivity is high, the broadband amplitude is high, the performance is reliable, the structure is simple, and the installation is convenient.
Claims (5)
1. An adjustable symmetrical spring damper is characterized in that: the cylinder comprises a cylinder body (4), wherein a front end cover (2) and a rear end cover (8) are respectively fixed at two ends of the cylinder body (4), an action plate (5) is arranged in the cylinder body (4), the action plate (5) divides the internal cavity of the cylinder body into a front cavity and a rear cavity, a front spring (3) and a rear spring (6) are respectively arranged in the front cavity and the rear cavity, a spring pressing plate (7) is arranged in the rear cavity, and the rear spring (6) is arranged between the action plate (5) and the spring pressing plate (7); one end of the adjusting rod (10) penetrates through the rear end cover (8) and is abutted against the spring pressing plate (7), the other end of the adjusting rod (10) is positioned outside the cylinder body (4), and the periphery of the adjusting rod (10) is in threaded fit connection with the rear end cover (8); one end of the action rod (13) penetrates through the adjusting rod (10) and the spring pressing plate (7) to be fixedly connected with the action plate (5); the other end of the action rod (13) and the front end cover (2) are respectively fixedly connected with an ear type joint bearing (1).
2. The adjustable symmetrical spring damper according to claim 1, wherein: one end of the adjusting rod (10) positioned outside the cylinder body (4) is provided with a locking nut (9).
3. The adjustable symmetrical spring shock absorber according to claim 1, wherein: low friction rings (11) are respectively arranged between the spring pressure plate (7) and the action rod (13) and between the adjusting rod (10) and the action rod.
4. The adjustable symmetrical spring damper according to any one of claims 1-3, wherein: one side of the cylinder body (4) is provided with a movable long groove (12), one side of the movable long groove (12) is provided with an amplitude scale (14), the amplitude scale (14) and the movable long groove (12) are parallel to the axis of the cylinder body (4), and one end of a scale pointer (15) matched with the amplitude scale (14) penetrates through the movable long groove (12) to be fixedly connected with the action plate (5).
5. The adjustable symmetrical spring damper according to claim 1, wherein: spring retainer rings (16) coaxial with the cylinder body (4) are arranged on two sides of the action plate (5), one side of the front end cover (2) facing the action plate (5) and one side of the spring pressure plate (7) facing the action plate (5), and the front spring (3) and the rear spring (6) are respectively sleeved on the peripheries of the spring retainer rings (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121944921.5U CN218625227U (en) | 2021-08-18 | 2021-08-18 | Adjustable symmetrical spring shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121944921.5U CN218625227U (en) | 2021-08-18 | 2021-08-18 | Adjustable symmetrical spring shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218625227U true CN218625227U (en) | 2023-03-14 |
Family
ID=85421566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121944921.5U Active CN218625227U (en) | 2021-08-18 | 2021-08-18 | Adjustable symmetrical spring shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218625227U (en) |
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2021
- 2021-08-18 CN CN202121944921.5U patent/CN218625227U/en active Active
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