CN204785086U - Anti pipeline support that dashes of multilayer vibration isolation - Google Patents
Anti pipeline support that dashes of multilayer vibration isolation Download PDFInfo
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- CN204785086U CN204785086U CN201520489324.6U CN201520489324U CN204785086U CN 204785086 U CN204785086 U CN 204785086U CN 201520489324 U CN201520489324 U CN 201520489324U CN 204785086 U CN204785086 U CN 204785086U
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- 238000002955 isolation Methods 0.000 title claims abstract description 50
- 238000013016 damping Methods 0.000 claims abstract description 22
- 230000000694 effects Effects 0.000 claims abstract description 11
- 230000009467 reduction Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 125000006850 spacer group Chemical group 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 46
- 230000005540 biological transmission Effects 0.000 description 11
- 239000002356 single layer Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 2
- 238000009510 drug design Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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- Vibration Prevention Devices (AREA)
Abstract
The utility model discloses an anti pipeline support that dashes of multilayer vibration isolation belongs to vibration noise control technical field, include: go up clamp, damping ring, lower clamp, upper isolator, middle quality piece and lower floor's isolator, the lower surface in the non - indent in middle quality piece both ends part is fixed respectively to two above lower floor isolators, the upper surface at middle quality piece indent cavity is fixed respectively to the base of upper isolator more than two or two, down the strip shaped plate of clamp is fixed on the top of upper isolator, and the hole shaft fit is carried out at another spacer pin of middle quality piece connecting plate with fixing in the spacing hole of lower clamp to carry on spacingly to lower clamp, the both ends of going up the clamp are fixed on a shaped plate of clamp down, damping ring installs between the boss of last clamp under and, this pipeline support has high -efficient vibration isolation, anti dashing and the adjustable function, can effectively improve the vibration isolation effect of pipeline support, is strikeing simultaneously to have limit function under the operating mode, compact structure, adjustment easy dismounting.
Description
Technical Field
The utility model belongs to the technical field of vibration noise control, concretely relates to anti-impact pipeline support of multilayer vibration isolation.
Background
With the application of the vibration isolation devices such as the floating raft and the like, the vibration transmitted by the first channel (equipment-base-hull) is smaller and smaller, and the second channel (equipment-pipeline-bracket-hull) gradually becomes a short plate for vibration treatment. The vibration of the second channel is reduced, and the method has important significance for improving the stealth performance of the naval vessel.
The application of the vibration isolation support is a main way for isolating the vibration of the pipeline, and the existing vibration isolation support is single-layer vibration isolation; in addition, in order to deal with working conditions such as impact and swing, the rigidity of the selected vibration isolator is usually far higher than the vibration isolation requirement, so that the vibration isolation effect is poor; on the other hand, there are often errors in the piping arrangement, resulting in the need for on-site fine-tuning of the stent position. Therefore, there is an objective need for a bracket with high-efficiency vibration isolation, impact resistance and adjustable functions. At present, the pipeline support at home and abroad can not meet the requirements of multiple functions.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing an anti-impact pipeline support of multilayer vibration isolation, this pipeline support have high-efficient vibration isolation, anti dashing and adjustable function, can effectively improve pipeline support's vibration isolation effect, have limit function, compact structure, adjustment easy dismounting under the operating mode of strikeing simultaneously.
The utility model discloses a realize through following technical scheme:
a multi-layer vibration isolating and impact resistant conduit support comprising: the device comprises an upper clamp, a vibration damping ring, a lower clamp, an upper-layer vibration isolator, a middle mass block, a lower-layer vibration isolator, a limiting block and a limiting pin;
the upper clamp is of a U-shaped structure;
the lower clamp is composed of a strip-shaped plate and a boss, and a limiting hole is formed in the middle of the strip-shaped plate; the upper surface of the boss is an arc surface, and the lower surface of the boss is provided with a groove; the boss is fixed on the strip-shaped plate, and the groove on the lower surface of the boss is opposite to the limiting hole of the strip-shaped plate;
the middle mass block is of an inwards concave plate-shaped structure, and the inwards concave part is divided into two or more symmetrical inwards concave cavities by a connecting plate which is connected with the non-inwards concave parts at the two ends; the surface of the middle mass block is provided with more than two mounting holes;
the middle part of the limiting block is provided with a limiting hole;
the connection relationship is as follows: more than two lower-layer vibration isolators are respectively fixed on the lower surfaces of the non-concave parts at the two ends of the middle mass block; two or more lower-layer vibration isolators at each end are limited and fixed through limiting blocks; the limiting pin penetrates through the middle mass block and then is fixed on the limiting block; the bases of two or more than two upper-layer vibration isolators are respectively fixed on the upper surface of the concave cavity of the middle mass block; a strip-shaped plate of the lower clamp is fixed at the top end of the upper-layer vibration isolator, and a limiting hole of the lower clamp is in hole-shaft fit with another limiting pin fixed on the middle mass block connecting plate and used for limiting the lower clamp; two ends of the upper clamp are fixed on the strip-shaped plate of the lower clamp; the damping ring is installed between the bosses of the upper clamp and the lower clamp.
Furthermore, the cross section of the upper clamp is square or circular, and external threads are arranged at two ends of the U-shaped structure.
Furthermore, the vibration reduction ring is of a split structure; the vibration damping ring is a rubber pad or a vibration damping belt.
Further, the upper-layer vibration isolator and the lower-layer vibration isolator are standard parts; the models of the upper layer vibration isolator and the lower layer vibration isolator are determined by the requirement of vibration isolation effect.
Furthermore, the mounting holes of the middle mass block are all long holes; and the mass of the middle mass block is determined according to the rigidity and the damping of the upper-layer vibration isolator and the lower-layer vibration isolator.
Furthermore, the limiting pin is a bolt, and the type of the bolt is determined according to the spatial size of the installation position; and vulcanizing the rubber layer on the surface of the limiting pin.
The working principle is as follows: firstly, selecting a proper upper-layer vibration isolator and a proper lower-layer vibration isolator according to a required vibration isolation effect, and designing a middle-layer gauge block according to the rigidity and the damping of the selected vibration isolators;
then, checking the strength of the limiting pin according to the impact resistance requirement;
finally, the pipeline bracket and the pipeline are assembled together, and the pipeline is arranged in the middle of the rubber pad; and (5) fine adjustment is carried out by combining the actual arrangement error condition of the pipeline.
The vibration isolation principle is as follows:
in the vibration transmission process, the inertia force of the middle mass block balances part of the force transmitted by the upper-layer vibration isolator, so that the force transmission rate between the pipeline and the base is reduced; the double-layer vibration isolation system consisting of the upper-layer vibration isolator, the middle mass block and the lower-layer vibration isolator is simplified into a non-damping freedom degree system, and the force transmission rate of the system can be obtained as follows:
wherein,μ＝m1/m2. It can be seen from this that, when ω is large, the transmission rate T ∈ 1/ω4The transmission rate T ^ 1/ω from the single-layer vibration isolation system2It grows much faster with increasing frequency; although the double-layer vibration isolation system has two resonance peaks, the reduction rate of the transmission rate is more remarkable than that of the single-layer vibration isolation system in a section higher than the second-order natural frequency of the systemThe double-layer vibration isolation system is superior to the single-layer vibration isolation system in the high frequency range.
Has the advantages that: (1) the utility model has the characteristics of high-efficient vibration isolation, anti dashing, the adjustability is good, can effectively improve pipeline bracket's vibration isolation effect, and have limit function, compact structure, adjustment easy dismounting.
(2) The utility model discloses a go up structure that clamp, rubber pad and lower clamp are constituteed can be at installing support under the condition of not dismantling the pipeline.
(3) The utility model discloses a double-deck vibration isolation structure that upper isolator, middle quality piece and lower floor's isolator are constituteed through the rational selection isolator to the quality rational design of medium quality piece, the vibration isolation effect is more superior than traditional vibration isolation support.
(4) The utility model discloses a spacer pin and spacing hole integrated design, pipeline bracket can provide effectual impact protection under the operating mode such as impact, sway, have strengthened the shock resistance of structure, only satisfy the vibration isolation demand when selecting upper isolator and lower floor's isolator can, can avoid the rigidity of the upper isolator of choosing and lower floor's isolator to be far above the vibration isolation needs.
(5) The mounting holes on the middle mass block of the utility model are all designed as long holes, so that the mounting holes can be adjusted in the transverse plane; the screw rod connection design is adopted, so that the screw rod is adjustable in the vertical direction; strong adjustability, makes the utility model discloses position error to the pipeline layout has stronger adaptability.
(6) The utility model discloses compact structure, occupation space is little, and the dismouting is nimble, and it is convenient to maintain, is particularly suitable for narrow and small installation space on the naval vessel.
Drawings
FIG. 1 is an isometric view of a pipeline bracket;
FIG. 2 is a part view of the upper yoke;
FIGS. 3 to 4 are part views of the lower yoke;
FIGS. 5 to 6 are views of parts of the intermediate mass block;
FIG. 7 is a detail view of the stopper.
Wherein: 1-upper clamp, 2-vibration damping ring, 3-lower clamp, 4-upper-layer vibration isolator, 5-middle mass block, 6-lower-layer vibration isolator, 7-limiting block and 8-limiting pin.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings by way of examples.
Example 1:
the utility model provides a pipeline support that multilayer vibration isolation is anti, see attached figure 1, include: the vibration damping device comprises an upper clamp 1, a vibration damping ring 2, a lower clamp 3, an upper-layer vibration isolator 4, a middle mass block 5, a lower-layer vibration isolator 6, a limiting block 7 and a limiting pin 8;
referring to the attached drawing 2, the upper clamp 1 is a U-shaped structure with a square cross section, and external threads are arranged at two ends of the U-shaped structure;
the vibration reduction ring 2 is of a split structure;
referring to fig. 3 and 4, the lower clamp 3 is composed of a strip-shaped plate and a boss, the strip-shaped plate is provided with a plurality of through holes, wherein the through hole in the middle of the strip-shaped plate is a limiting hole, and the through holes at two ends are mounting holes; the upper surface of the boss is an arc surface, and the lower surface of the boss is provided with a groove; the boss is fixed on the strip-shaped plate, and the groove on the lower surface of the boss is opposite to the limiting hole of the strip-shaped plate;
the upper-layer vibration isolator 4 and the lower-layer vibration isolator 6 are standard parts; the models of the upper layer vibration isolator 4 and the lower layer vibration isolator 6 are determined by the vibration isolation effect requirement;
referring to fig. 5 and 6, the middle mass block 5 is a concave plate-shaped structure, and the concave part is divided into two symmetrical concave cavities by a connecting plate connecting the non-concave parts at the two ends; the surface of the middle mass block 5 is provided with a plurality of mounting holes, and the mounting holes are all long holes; the mass of the middle mass block 5 is determined according to the rigidity and the damping of the upper-layer vibration isolator 4 and the lower-layer vibration isolator 6;
referring to fig. 7, three parallel circular through holes are formed in the limiting block 7; wherein, the two ends are provided with mounting holes, and the middle part is provided with a limiting hole for mounting and limiting;
the limiting pin 8 is a bolt, and the type of the bolt is determined according to the spatial size of the installation position;
the connection relationship is as follows: the four lower vibration isolators 6 are respectively fixed on the lower surfaces of the non-concave parts at the two ends of the middle mass block 5 through bolts; the two lower-layer vibration isolators 6 at each end are limited and fixed through limiting blocks 7; the limiting pin 8 penetrates through the middle mass block 5 and then is fixed on the limiting block 7; bases of the two upper-layer vibration isolators 4 are respectively fixed on the upper surfaces of the two concave cavities of the middle mass block 5 through bolts; a strip-shaped plate of the lower clamp 3 is fixed at the top end of the upper-layer vibration isolator 4, a limiting hole of the lower clamp 3 is in hole-shaft fit with another limiting pin 8 fixed on a connecting plate of the middle mass block 5, and the lower clamp 3 is limited; two ends of the upper clamp 1 are fixedly connected to a strip-shaped plate of the lower clamp 3 through threads; damping ring 2 is installed at last clamp 1 and between 3 bosss of lower clamp, through adjusting the connecting thread of last clamp 1 and lower clamp 3, can lock damping ring 2.
The working principle is as follows: firstly, selecting a proper upper-layer vibration isolator 4 and a proper lower-layer vibration isolator 6 according to a required vibration isolation effect, and designing a middle-layer gauge block 5 according to the rigidity and the damping of the selected vibration isolators;
then, checking the strength of the limiting pin 8 according to the impact resistance requirement;
finally, the pipeline bracket and the pipeline are assembled together, and the pipeline is arranged in the middle of the rubber pad; and (5) fine adjustment is carried out by combining the actual arrangement error condition of the pipeline.
The vibration isolation principle is as follows:
during the vibration transmission process, the inertia force of the middle mass block 5 balances off a part of the force transmitted by the upper-layer vibration isolator 4, so that the force transmission rate between the pipeline and the base is reduced; the double-layer vibration isolation system consisting of the upper-layer vibration isolator 4, the middle mass block 5 and the lower-layer vibration isolator 6 is simplified into a non-damping freedom degree system, and the force transmissibility of the system can be obtained as follows:
wherein,μ＝m1/m2. It can be seen from this that, when ω is large, the transmission rate T ∈ 1/ω4The transmission rate T ^ 1/ω from the single-layer vibration isolation system2It grows much faster with increasing frequency; although the double-layer vibration isolation system has two resonance peaks, the reduction rate of the transmission rate is more remarkable than that of a single-layer vibration isolation system in a section higher than the second-order natural frequency of the system, and the vibration isolation effect of the double-layer vibration isolation system is more excellent than that of the single-layer vibration isolation system in a high-frequency section.
Example 2:
in example 1, the vibration control ring 2 is a rubber pad or a vibration isolation band, which is excellent in vibration isolation performance and improved in environmental suitability.
Example 3:
on the basis of the embodiment 1 or 2, the square-section upper clamp can be changed into the cylindrical-section upper clamp, and the U-shaped structure is easier to process.
Example 4:
on the basis of the embodiment 1, 2 or 3, the surface of the limiting pin can be vulcanized with a rubber layer, so that the transient force during impact limiting can be reduced.
In summary, the above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A multi-layer vibration-isolating and impact-resisting pipeline support, comprising: the vibration damping device comprises an upper clamp (1), a vibration damping ring (2), a lower clamp (3), an upper-layer vibration isolator (4), a middle mass block (5), a lower-layer vibration isolator (6), a limiting block (7) and a limiting pin (8);
the upper clamp (1) is of a U-shaped structure;
the lower clamp (3) consists of a strip-shaped plate and a boss, and a limiting hole is formed in the middle of the strip-shaped plate; the upper surface of the boss is an arc surface, and the lower surface of the boss is provided with a groove; the boss is fixed on the strip-shaped plate, and the groove on the lower surface of the boss is opposite to the limiting hole of the strip-shaped plate;
the middle mass block (5) is of an inwards concave plate-shaped structure, and the inwards concave part is divided into two or more symmetrical inwards concave cavities by a connecting plate which is connected with the non-inwards concave parts at the two ends; the surface of the middle mass block (5) is provided with more than two mounting holes;
the middle part of the limiting block (7) is provided with a limiting hole;
the connection relationship is as follows: more than two lower vibration isolators (6) are respectively fixed on the lower surfaces of the non-concave parts at the two ends of the middle mass block (5); two or more lower-layer vibration isolators (6) at each end are limited and fixed through limiting blocks (7); the limiting pin (8) penetrates through the middle mass block (5) and then is fixed on the limiting block (7); the bases of two or more upper-layer vibration isolators (4) are respectively fixed on the upper surface of the concave cavity of the middle mass block (5); a strip-shaped plate of the lower clamp (3) is fixed at the top end of the upper-layer vibration isolator (4), a limiting hole of the lower clamp (3) is matched with a hole shaft of another limiting pin (8) fixed on a connecting plate of the middle mass block (5), and the lower clamp (3) is limited; two ends of the upper clamp (1) are fixed on the strip-shaped plate of the lower clamp (3); the damping ring (2) is arranged between the bosses of the upper clamp (1) and the lower clamp (3).
2. The pipe support with multi-layer vibration isolation and impact resistance as claimed in claim 1, wherein the cross section of the upper clamp (1) is square or circular, and both ends of the U-shaped structure are provided with external threads.
3. The multi-layer vibration-isolating and impact-resisting pipeline bracket as claimed in claim 1, wherein the damping ring (2) is of a split structure; the vibration reduction ring (2) is a rubber pad or a vibration isolation belt.
4. The pipe bracket of claim 1, wherein the upper vibration isolator (4) and the lower vibration isolator (6) are standard parts; the types of the upper-layer vibration isolator (4) and the lower-layer vibration isolator (6) are determined by the requirement of vibration isolation effect.
5. The pipe support with multi-layer vibration isolation and impact resistance as claimed in claim 1, characterized in that the mounting holes of the middle mass block (5) are all long holes; the mass of the middle mass block (5) is determined according to the rigidity and the damping of the upper-layer vibration isolator (4) and the lower-layer vibration isolator (6).
6. The pipeline bracket with the multi-layer vibration isolation and impact resistance as claimed in claim 1, characterized in that the limiting pin (8) is a bolt, and the type of the bolt is determined according to the spatial dimension of the installation position; the rubber layer is vulcanized on the surface of the limiting pin (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520489324.6U CN204785086U (en) | 2015-07-08 | 2015-07-08 | Anti pipeline support that dashes of multilayer vibration isolation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520489324.6U CN204785086U (en) | 2015-07-08 | 2015-07-08 | Anti pipeline support that dashes of multilayer vibration isolation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204785086U true CN204785086U (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520489324.6U Withdrawn - After Issue CN204785086U (en) | 2015-07-08 | 2015-07-08 | Anti pipeline support that dashes of multilayer vibration isolation |
Country Status (1)
| Country | Link |
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| CN (1) | CN204785086U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989881A (en) * | 2015-07-08 | 2015-10-21 | 中国船舶重工集团公司第七一九研究所 | Multi-layer vibration isolation and impact prevention pipeline support |
| CN107725957A (en) * | 2017-09-26 | 2018-02-23 | 镇江市星耀智能装备有限公司 | A kind of novel tube antidetonation ring |
| CN107725901A (en) * | 2017-09-26 | 2018-02-23 | 镇江市星耀智能装备有限公司 | A kind of novel earthquake-proof tubing |
| CN108757829A (en) * | 2018-08-07 | 2018-11-06 | 中国船舶重工集团公司第七〇九研究所 | A kind of vibration isolation of pipeline device |
| CN110762290A (en) * | 2019-11-11 | 2020-02-07 | 国唐汽车有限公司 | Universal automobile pipeline hoop |
| CN111232123A (en) * | 2020-03-11 | 2020-06-05 | 江苏扬州合力橡胶制品有限公司 | Double-layer vibration isolation horse foot for pipeline |
-
2015
- 2015-07-08 CN CN201520489324.6U patent/CN204785086U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989881A (en) * | 2015-07-08 | 2015-10-21 | 中国船舶重工集团公司第七一九研究所 | Multi-layer vibration isolation and impact prevention pipeline support |
| CN107725957A (en) * | 2017-09-26 | 2018-02-23 | 镇江市星耀智能装备有限公司 | A kind of novel tube antidetonation ring |
| CN107725901A (en) * | 2017-09-26 | 2018-02-23 | 镇江市星耀智能装备有限公司 | A kind of novel earthquake-proof tubing |
| CN108757829A (en) * | 2018-08-07 | 2018-11-06 | 中国船舶重工集团公司第七〇九研究所 | A kind of vibration isolation of pipeline device |
| CN110762290A (en) * | 2019-11-11 | 2020-02-07 | 国唐汽车有限公司 | Universal automobile pipeline hoop |
| CN111232123A (en) * | 2020-03-11 | 2020-06-05 | 江苏扬州合力橡胶制品有限公司 | Double-layer vibration isolation horse foot for pipeline |
| CN111232123B (en) * | 2020-03-11 | 2023-11-17 | 江苏扬州合力橡胶制品有限公司 | Double-layer vibration isolation horse foot for pipeline |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151118 Effective date of abandoning: 20170405 |
|
| AV01 | Patent right actively abandoned |