CN114607866A - Double-vibrator periodic material damping pipeline - Google Patents
Double-vibrator periodic material damping pipeline Download PDFInfo
- Publication number
- CN114607866A CN114607866A CN202210118532.XA CN202210118532A CN114607866A CN 114607866 A CN114607866 A CN 114607866A CN 202210118532 A CN202210118532 A CN 202210118532A CN 114607866 A CN114607866 A CN 114607866A
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- China
- Prior art keywords
- vibrator
- damping
- pipeline
- double
- short sleeve
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- 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.)
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Links
- 238000013016 damping Methods 0.000 title claims abstract description 61
- 239000000463 material Substances 0.000 title claims abstract description 49
- 230000000737 periodic effect Effects 0.000 title claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 229910000838 Al alloy Inorganic materials 0.000 claims description 15
- 229910052782 aluminium Inorganic materials 0.000 claims description 13
- 239000003822 epoxy resin Substances 0.000 claims description 13
- 229920000647 polyepoxide Polymers 0.000 claims description 13
- 230000035939 shock Effects 0.000 claims description 13
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 238000010521 absorption reaction Methods 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 229920001971 elastomer Polymers 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 239000010963 304 stainless steel Substances 0.000 claims description 3
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 claims description 3
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 238000001914 filtration Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 210000001503 joint Anatomy 0.000 description 3
- 239000013078 crystal Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/04—Devices damping pulsations or vibrations in fluids
- F16L55/041—Devices damping pulsations or vibrations in fluids specially adapted for preventing vibrations
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/04—Devices damping pulsations or vibrations in fluids
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a double-vibrator periodic material damping pipeline which comprises a plurality of sections of pipe sections made of two different materials, wherein all the pipe sections are arranged at intervals in the axial direction according to the different materials, a group of double-vibrator damping devices are arranged between the two adjacent butted pipe sections, each double-vibrator damping device comprises a short sleeve arranged at the joint of the two adjacent butted pipe sections, two damping vibrators are axially arranged outside the short sleeve, each damping vibrator comprises an inner ring and an outer ring, the inner ring is made of a material which is softer than that of the outer ring, the outer rings of the two damping vibrators are made of two different materials, and a sealing strip is arranged between the contact surfaces of the short sleeve and the pipe section joint. The double-vibrator periodic material damping pipeline has obvious filtering and damping effects, deformation resistance and fatigue resistance; the stability of the pipeline can be enhanced, and the service life of the pipeline is prolonged. The structure is simple, the production and manufacturing process is easy, and the method is suitable for mass production; the installation is easy, and the pipeline leakproofness is good, if pipeline partly damages, conveniently replaces with new part, saves the cost.
Description
Technical Field
The invention relates to the technical field of damping engineering, in particular to a design of a damping pipeline.
Background
At present, pipelines play more and more important roles in production and life of people, particularly in the fields of aerospace, petrochemical industry, water heating equipment, environmental engineering and the like, and the pipeline systems often convey fluid media with different flow rates, bear the impact of different frequency fluctuation and are very easy to deform and fatigue damage the pipelines.
There has been extensive research on pipe shock absorbing devices using various elastic dampers and fixing devices. In recent years, researchers research phononic crystals to find that the propagation of fluctuation in a certain frequency range can be stopped by periodically arranging matrixes and scatterers made of different materials; in addition, a soft coating layer is added between the substrate and the scatterer, so that the normal wave propagation process can be blocked, for example, a common spring mass system can be used for researching the filtering mechanism approximately. Both of these filtering mechanisms can be applied to a wide variety of damping device designs.
Most of the existing pipeline damping devices are complex in structure, difficult to manufacture, high in cost and single in working place.
From above, very much need combine two kinds of filtering mechanism to design the pipeline that does benefit to the shock attenuation now to adapt to multiple workplace, solve the structure loaded down with trivial details, the preparation is difficult, some realistic problems such as with high costs.
Disclosure of Invention
Aiming at the defects and shortcomings of the prior art, the invention provides a double-vibrator periodic material damping pipeline which is suitable for various workplaces, simple to manufacture, easy to install and obvious in damping and filtering functions.
In order to solve the technical problem, the double-vibrator periodic material damping pipeline provided by the invention comprises a plurality of sections of pipe sections made of two different materials, all the pipe sections are arranged at intervals along the axial direction according to the different materials, a group of double-vibrator damping devices are arranged between two adjacent sections of pipelines which are butted, the double-vibrator damping device comprises a short sleeve arranged at the joint of two adjacent sections of pipe sections in butt joint, two damping vibrators are sequentially arranged on the outer revolution surface of the short sleeve along the axial direction, the two damping vibrators have the same structure, the shock absorption vibrators comprise an inner ring and an outer ring, the material of the inner ring is softer than that of the outer ring, the materials of the outer rings of the two shock absorption vibrators are two different materials, the shape of inner ring is the ring, the outer loop is formed by two arch bridge type semi-ring enclaspings, and two arch bridge type semi-rings adopt bolted connection spare to fix, be equipped with the sealing strip between the contact surface that short sleeve pipe and pipeline section connect.
Further, the double-vibrator periodic material damping pipeline provided by the invention comprises:
the inner diameter, the outer diameter and the length of each section of pipe section are consistent, the inner diameter of the short sleeve pipe is matched with the outer diameter of the pipe section, and the length of the short sleeve pipe is one sixth of the length of the two adjacent sections of pipe sections in butt joint; the short sleeve is in threaded connection with the pipe section joint.
The inner diameter of the inner ring of the vibration-damping vibrator is matched with the outer diameter of the short sleeve, and the length of the inner ring is one half of that of the short sleeve.
The inner diameter of the outer ring is matched with the outer diameter of the inner ring, the outer diameter of the outer ring is 1.25 times of the inner diameter of the outer ring, and the length of the outer ring is the same as that of the inner ring.
The pipe sections of the two different materials are respectively an aluminum pipe and an epoxy resin pipe.
The short sleeve is made of aluminum alloy.
The inner rings of the two vibration-damping vibrators are made of rubber, the outer ring of one vibration-damping vibrator is made of steel, and the outer ring of the other vibration-damping vibrator is made of copper.
The material of the sealing tape is CR 24412442 type chloroprene rubber.
The bolt connecting piece comprises a 304 stainless steel hexagon bolt and a nut; for each outer ring 4 bolted connections are used.
Compared with the prior art, the invention has the beneficial effects that:
the double-vibrator periodic material damping pipeline has the advantages of obvious filtering and damping effects, deformation resistance, fatigue resistance, enhanced stability and prolonged service life; the structure is simple, the production and manufacturing process is easy, and the method is suitable for mass production; the installation is easy, and the pipeline leakproofness is good, if pipeline partly damages, conveniently replaces with new part, saves the cost. The double-vibrator inner ring is a rubber ring, the damping effect is good, and the arch bridge type fixing ring of the outer ring is made of two materials, namely steel and copper, so that more wave propagation can be prevented.
Drawings
FIG. 1 is a schematic structural diagram of a double-vibrator periodic material pipeline according to the present invention;
fig. 2 is a left side view of a dual-vibrator periodic material tube of the present invention.
In the figure:
1-aluminum pipe 2-epoxy resin pipe 3-short sleeve 4-inner ring
5-arch bridge type steel ring 6-arch bridge type copper ring 7-hexagonal steel bolt 8-nut
9-sealing tape.
Detailed Description
The design idea of the double-vibrator periodic material damping pipeline provided by the invention is that the damping pipeline is designed according to the filtering mechanism of the phononic crystal, the filtering damping effect is obvious, the deformation resistance and the fatigue resistance are realized, the stability of the pipeline can be enhanced, and the service life of the pipeline is prolonged.
The invention will be further described with reference to the following figures and specific examples, which are not intended to limit the invention in any way.
As shown in fig. 1 and 2, the double-vibrator periodic material damping pipeline provided by the invention comprises a plurality of sections of pipe sections made of two different materials, wherein the inner diameter, the outer diameter and the length of each section of pipe section are consistent, the two different materials are commonly used aluminum and epoxy resin, and all the pipe sections are arranged at intervals along the axial direction according to the different materials, so that the fluctuation in a certain range can be filtered, and the damping effect is achieved.
A group of double-vibrator damping devices are arranged between two adjacent butted pipelines, the pipelines adopt a spring-like mass block system damping vibrator, each double-vibrator damping device comprises a short sleeve arranged at the joint of the two adjacent butted pipelines, the inner diameter of each short sleeve is matched with the outer diameter of each pipeline, the length of each short sleeve is one sixth of the length of the two adjacent butted pipelines, and the short sleeves are in threaded connection with the joints of the pipelines. Two vibration-damping vibrators are sequentially arranged on the outer revolution surface of the short sleeve along the axial direction, the two vibration-damping vibrators are identical in structure and comprise an inner ring 4 and an outer ring, the inner ring 4 is in a ring shape, the outer ring is formed by encircling two arch bridge type semi-rings, the inner diameter of the outer ring is matched with the outer diameter of the inner ring 4, the outer diameter of the outer ring is 1.25 times of the inner diameter of the outer ring, and the length of the outer ring is identical to that of the inner ring 4. The inner ring 4 is made of a material softer than that of the outer ring, the outer rings of the two vibration-damping vibrators are made of two different materials, the inner diameter of the inner ring 4 of each vibration-damping vibrator is matched with the outer diameter of the short sleeve, and the length of the inner ring 4 is half of that of the short sleeve. The two arch bridge type semi-rings are fixed by adopting bolt connecting pieces, and a sealing strip 9 is arranged between the contact surfaces of the short sleeve and the pipe section joint.
Example (b): in this embodiment, the double-vibrator inner ring all adopts the rubber ring, and the shock attenuation is effectual, and the solid fixed ring of the arch bridge type of outer loop adopts two kinds of materials of steel and copper to can prevent more wave propagation. The implementation process of the technical scheme of the invention is described by taking two adjacent butted pipe sections as an example, wherein one pipe section is an aluminum pipe 1, the other pipe section is an epoxy resin pipe 2, the inner diameter and the outer diameter of the epoxy resin pipe 2 are consistent with those of the aluminum pipe 1, a short sleeve sleeved at the butted end of the aluminum pipe 1 and the epoxy resin pipe 2 is an aluminum alloy sleeve 3, the joint of the aluminum pipe 1 and the epoxy resin pipe 2 is provided with external threads, the lengths of the external threads are the same and are half of the length of the aluminum alloy sleeve 3, the length of the aluminum alloy sleeve 3 is one sixth of the epoxy resin pipe 2 and the aluminum pipe 1, the aluminum alloy sleeve 3 is an internal thread pipe matched with the aluminum pipe 1 and the epoxy resin pipe 2, and the butted end of the aluminum pipe 1 and the epoxy resin pipe 2 is connected with the aluminum alloy sleeve 3 through threads; two vibration-damping vibrators are axially mounted on the outer revolution surface of the aluminum alloy sleeve 3, the two vibration-damping vibrators are identical in structure and respectively comprise an inner ring and an outer ring formed by encircling two arch bridge type semi-rings, in the embodiment, the inner diameters of the inner rings of the two vibration-damping vibrators are matched with the outer diameter of the aluminum alloy sleeve 3, the length of each inner ring is one half of the length of the aluminum alloy sleeve 3, the inner rings 4 of the two vibration-damping vibrators are made of rubber materials, the elasticity is good, the service cycle is long, the cost is low, the outer ring of one vibration-damping vibrator is composed of two arch bridge type steel rings 5, the outer ring of the other vibration-damping vibrator is composed of two arch bridge type copper rings 6, the inner diameter of the outer ring is matched with the outer diameter of the inner ring 4, the outer diameter of the outer ring is 1.25 times of the inner diameter of the outer ring, and the length of the outer ring is identical to the length of the inner ring; when in connection, the two inner rings 4 made of rubber materials are sleeved on the aluminum alloy sleeve 3 in a left-right mode, then a sealing strip 9 made of CR 2441242442 type chloroprene rubber is filled in the aluminum alloy sleeve 3, the aluminum alloy sleeve 3 filled with the sealing strip 9 is connected with the aluminum pipe 1 and the epoxy resin pipe 2 through internal and external threads, the connection lengths of the aluminum pipe 1 and the epoxy resin pipe 2 are consistent with that of the aluminum alloy sleeve 3, and the connection lengths are respectively half of the length of the aluminum alloy sleeve 3. The two arch bridge type steel rings 5 are sleeved on the left rubber inner ring 4 in an up-down matching mode, the two arch bridge type copper rings 6 are sleeved on the right rubber inner ring 4 in an up-down matching mode, two sides of each pair of arch bridge type outer rings which are mutually embraced are respectively fastened and connected through 2 hexagonal steel bolts 7 and nuts 8, namely two bolt through holes are formed in the two arch bridge type steel rings 5 and the lug plates of the two arch bridge type copper rings 6 respectively, the lug plates which are attached to two sides of each arch bridge type steel ring 5 after being embraced are connected through the two 304 stainless steel hexagonal bolts 7 respectively and then fastened through the nuts 8, and similarly, the two arch bridge type copper rings 6 are fastened, so that when wave motion is transmitted, the two damping vibrators can generate displacement which is partially offset with each other, filtering is achieved, and the damping effect is enhanced.
The double-vibrator periodic material damping pipeline has the advantages of simple structure, easy production and manufacturing process and suitability for mass production; the installation is easy, and the pipeline leakproofness is good, if pipeline partly damages, conveniently replaces with new part, saves the cost.
Although the present invention has been described above with reference to the accompanying drawings, the present invention is not limited to the above-mentioned specific embodiments, and the above-mentioned specific embodiments are only illustrative and not restrictive, and it should be noted that fig. 1 only shows two adjacent pipe sections, but does not affect the understanding of the technical solution of the present invention. Those skilled in the art, having the benefit of this disclosure, may effect numerous modifications to the invention as described herein, without departing from the scope of the invention as defined by the appended claims.
Claims (9)
1. A double-vibrator periodic material damping pipeline is characterized in that: the double-vibrator vibration-damping device comprises a plurality of sections of pipe sections made of two different materials, all the pipe sections are arranged at intervals along the axial direction according to the different materials, a group of double-vibrator vibration-damping devices are arranged between two adjacent sections of butted pipes, each double-vibrator vibration-damping device comprises a short sleeve arranged at the joint of the two adjacent butted pipe sections, two vibration-damping vibrators are sequentially arranged on the outer revolution surface of the short sleeve along the axial direction, the two vibration-damping vibrators are identical in structure and comprise an inner ring (4) and an outer ring, the inner ring (4) is made of a material softer than that of the outer ring, the outer rings of the two vibration-damping vibrators are made of two different materials, the inner ring (4) is in a ring shape and is formed by encircling two arch bridge type half rings, the two arch bridge type half rings are fixed by adopting bolt connecting pieces, and a sealing strip (9) is arranged between the contact surfaces of the short sleeve and the pipe section joint.
2. The dual-vibrator periodic material shock absorption pipeline of claim 1, wherein: the inner diameter, the outer diameter and the length of each section of pipe section are consistent, the inner diameter of the short sleeve is matched with the outer diameter of the pipe section, and the length of the short sleeve is one sixth of the length of the two adjacent sections of pipe sections; the short sleeve is in threaded connection with the pipe section joint.
3. The dual-vibrator periodic material shock absorption pipeline of claim 1, wherein: the inner diameter of an inner ring (4) of the vibration-damping vibrator is matched with the outer diameter of the short sleeve, and the length of the inner ring (4) is half of that of the short sleeve.
4. The dual-vibrator periodic material shock absorption pipeline of claim 3, wherein: the inner diameter of the outer ring is matched with the outer diameter of the inner ring (4), the outer diameter of the outer ring is 1.25 times of the inner diameter of the outer ring, and the length of the outer ring is the same as that of the inner ring (4).
5. The dual-vibrator periodic material shock absorption pipeline of claim 1, wherein: the pipe sections of the two different materials are respectively an aluminum pipe and an epoxy resin pipe.
6. The dual-vibrator periodic material shock absorption pipeline of claim 1, wherein: the short sleeve is made of aluminum alloy.
7. The double-vibrator periodic material shock absorption pipeline of claim 1, wherein: the inner rings (4) of the two vibration-damping vibrators are made of rubber, the outer ring of one vibration-damping vibrator is made of steel, and the outer ring of the other vibration-damping vibrator is made of copper.
8. The dual-vibrator periodic material shock absorption pipeline of claim 1, wherein: the material of the sealing belt (9) is CR 24412442 type chloroprene rubber.
9. The dual-vibrator periodic material shock absorption pipeline of claim 1, wherein: the bolt connecting piece comprises a 304 stainless steel hexagon bolt and a nut; for each outer ring 4 bolted connections are used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210118532.XA CN114607866A (en) | 2022-02-08 | 2022-02-08 | Double-vibrator periodic material damping pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210118532.XA CN114607866A (en) | 2022-02-08 | 2022-02-08 | Double-vibrator periodic material damping pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114607866A true CN114607866A (en) | 2022-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210118532.XA Pending CN114607866A (en) | 2022-02-08 | 2022-02-08 | Double-vibrator periodic material damping pipeline |
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| Country | Link |
|---|---|
| CN (1) | CN114607866A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2260636Y (en) * | 1996-10-10 | 1997-08-27 | 尤景三 | Golf club |
| CN108534585A (en) * | 2017-03-06 | 2018-09-14 | 新昌县四通机电有限公司 | Damping tube |
| CN209294629U (en) * | 2019-01-03 | 2019-08-23 | 贵州同益新型建材有限公司 | A kind of multisection type splicing HDPE drainpipe |
| CN213929819U (en) * | 2020-11-25 | 2021-08-10 | 鲍青 | A pipeline connection structure for municipal administration plumbing |
-
2022
- 2022-02-08 CN CN202210118532.XA patent/CN114607866A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2260636Y (en) * | 1996-10-10 | 1997-08-27 | 尤景三 | Golf club |
| CN108534585A (en) * | 2017-03-06 | 2018-09-14 | 新昌县四通机电有限公司 | Damping tube |
| CN209294629U (en) * | 2019-01-03 | 2019-08-23 | 贵州同益新型建材有限公司 | A kind of multisection type splicing HDPE drainpipe |
| CN213929819U (en) * | 2020-11-25 | 2021-08-10 | 鲍青 | A pipeline connection structure for municipal administration plumbing |
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