CN114352807A - Expandable aligning vibration attenuation clamp - Google Patents

Expandable aligning vibration attenuation clamp Download PDF

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Publication number
CN114352807A
CN114352807A CN202210013396.8A CN202210013396A CN114352807A CN 114352807 A CN114352807 A CN 114352807A CN 202210013396 A CN202210013396 A CN 202210013396A CN 114352807 A CN114352807 A CN 114352807A
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CN
China
Prior art keywords
aligning
damping
ring
end cover
pipeline
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Pending
Application number
CN202210013396.8A
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Chinese (zh)
Inventor
黄鑫
伍登峰
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AECC Guiyang Engine Design Research Institute
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AECC Guiyang Engine Design Research Institute
Priority date (The priority date 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 date listed.)
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Application filed by AECC Guiyang Engine Design Research Institute filed Critical AECC Guiyang Engine Design Research Institute
Priority to CN202210013396.8A priority Critical patent/CN114352807A/en
Publication of CN114352807A publication Critical patent/CN114352807A/en
Pending legal-status Critical Current

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  • Vibration Prevention Devices (AREA)

Abstract

The invention discloses an extensible aligning vibration-damping clamp, which comprises: two bases which can be close to or far away from each other are oppositely distributed; through bonding or placing the damping aligning particle ring that is located the base, the damping of damping aligning particle ring can be adjusted, and damping aligning particle ring inside constitutes a through-hole that supplies the pipeline to run through the installation. The pipeline runs through the through-hole of installing at damping aligning granule ring middle part, two bases of keeping away from relatively are close to each other and press from both sides tightly the pipeline, because damping deformation is cushioned to damping aligning granule ring itself, axial distance regulation has, the pipeline every single move is adjusted, the function of beat regulation, reduce the stress assembly of pipeline in the clamp, solve the problem that has great stress assembly, because the damping of damping aligning granule ring can adjust, when needs change damping, the damping to damping aligning granule ring adjust can, solved and need change the problem of damping pad operation difficulty on the irregular extremely complicated pipeline of aeroengine arrangement.

Description

Expandable aligning vibration attenuation clamp
Technical Field
The invention relates to an extensible aligning vibration reduction clamp, and belongs to the technical field of clamps.
Background
The pipeline arrangement on the aircraft engine is extremely irregular, and the pipe shape is extremely complicated, so in the manufacturing process, the deviation is very big, and the condition of stress assembly all exists in the assembling process in a lot of pipelines, has seriously influenced pipeline life-span. In addition, in an aircraft engine pipeline system, power devices such as a booster pump, an oil return pump and an auxiliary oil pump can cause the pressure and flow rate pulsation of fluid media in a pipeline to generate vibration, meanwhile, factors such as opening and closing of a throttle valve, pipeline bending and pipe diameter change can also cause pipeline impact vibration, and vibration of a high-pressure rotor and a low-pressure rotor can also cause pipeline vibration. The stress assembly of the pipeline and the vibration of the pipeline cause the fatigue damage of the pipeline, the service life of the pipeline is shortened, even the problems of loosening of joints and fasteners, leakage of liquid in the pipeline and the like can be caused, and the safety of an engine is seriously threatened.
Pipeline on the engine uses the fixed stable damping of clamp, but present clamp is mostly the clamp of fixed form, and the production deviation of pipeline can only be through interference fit's means cramp pipe, but still has the problem of great stress assembly. The existing vibration reduction mode is mostly a passive vibration reduction method for adding a tetrachlorofluoroethylene vibration reduction pad, the thickness of the vibration reduction pad is designed by experience, the change of the damping can be completed only by replacing the vibration reduction pad, and the operation difficulty of replacing the vibration reduction pad is difficult because the pipeline arrangement on the aeroengine is extremely irregular and extremely complex.
Disclosure of Invention
In order to solve the technical problem, the invention provides an extensible aligning vibration attenuation hoop.
The invention is realized by the following technical scheme.
The invention provides an extensible aligning vibration-damping hoop, which comprises:
two bases which can be close to or far away from each other are oppositely distributed;
through bonding or placing the damping aligning particle ring that is located the base, the damping of damping aligning particle ring can be adjusted, and damping aligning particle ring inside constitutes a through-hole that supplies the pipeline to run through the installation.
The vibration-damping aligning particle ring is two petals distributed on the two bases.
The vibration reduction aligning particle ring comprises a base, and is characterized by further comprising an end cover A with an axial end face in close contact with one side of the vibration reduction aligning particle ring, and an end cover B with an axial end face in close contact with the other side of the vibration reduction aligning particle ring, wherein the circumferential outer end faces of the end cover A and the end cover B are in close contact with the inner face of the base, the end cover A and the end cover B are close to each other to extrude the vibration reduction aligning particle ring, and the function of adjusting the buffering damping of the vibration reduction aligning particle ring is achieved.
The end cover A and the end cover B are correspondingly provided with threaded through holes, and the end cover A and the end cover B are screwed in the threaded through holes through bolts to be tightened or loosened; when the end cover A and the end cover B are tightened by the bolts, the vibration-damping aligning particle ring is extruded, and the center of the through hole in the middle is adjusted to be small; when the end cover A and the end cover B are unscrewed through the bolts, the vibration-damping aligning particle ring deforms and expands, and the center of the through hole in the middle is enlarged; therefore, the expandable aligning effect of the vibration-damping aligning particle ring is achieved.
One ends of the two bases are hooped by a clamping ring; still include conical taut awl, but taut awl elastic deformation, taut awl middle part is equipped with the through-hole, and the other end at two bases of taut awl main aspects through-hole cover compresses tightly, under the clamp ring cramps and the effect of taut awl main aspects through-hole compression, realizes being close to relatively of two bases, after dismantling the clamp ring and taut awl, realizes keeping away from of two bases.
The tensioning device is characterized by also comprising a taper sleeve and a bolt, wherein one end of the taper sleeve is sleeved at the outer end of the tensioning cone, the taper sleeve is in contact with the inclined surface of the tensioning cone, and the other end of the taper sleeve is abutted against the head of the bolt; the through hole at the small end of the tensioning cone is internally provided with a thread which is screwed with the thread end of the bolt, when the bolt is screwed into the taper sleeve, the taper sleeve is pushed to the tensioning cone, and the tensioning cone is extruded and deformed by the taper sleeve to compress the other ends of the two bases.
The large end of the tensioning cone is provided with a deformation groove, and when the tensioning cone is extruded and deformed by the taper sleeve, the deformation of the large end of the tensioning cone is more effective to compress the other ends of the two bases due to the deformation groove.
The deformation groove is communicated with three through holes.
The bolts are stud bolts.
Two bases, damping aligning granule ring, taper sleeve, end cover A, end cover B and snap ring are the duplicate and evenly assemble in stud's both sides, and when using, the clamp can be to two pipeline symmetry damping installations.
The invention has the beneficial effects that: the pipeline runs through the through-hole of installing at damping aligning granule ring middle part, two bases of keeping away from relatively are close to each other and press from both sides tightly the pipeline, because damping deformation is cushioned to damping self of damping aligning granule ring, the axial distance is adjusted, the pipeline every single move is adjusted, the function of beat regulation, the stress assembly of pipeline in the clamp has been reduced, the problem that has great stress assembly has been solved, because the damping of damping aligning granule ring can be adjusted, when needs change damping, the damping of damping aligning granule ring is adjusted can, the problem of need changing the damping pad operation difficulty on the irregular extremely complicated pipeline of aeroengine arrangement has been solved.
Drawings
FIG. 1 is a schematic front cross-sectional view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic view of the construction of the tension cone of the present invention;
in the figure: 1-a base; 2-damping aligning particle rings; 3, tensioning a cone; 4-taper sleeve; 5-bolt; 7-end cap A; 8-end cap B; 9-a snap ring; 31-a through hole; 32-deformation groove.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1-3.
The invention discloses an extensible aligning vibration-damping clamp, which comprises:
two bases 1 which can be close to or far away from each other in relative distribution;
through bonding or placing the damping aligning particle ring 2 that is located base 1, the damping of damping aligning particle ring 2 can be adjusted, and damping aligning particle ring 2 middle part constitutes a through-hole that supplies the pipeline to run through the installation.
The pipeline runs through the through-hole of installing at damping aligning particle ring 2 middle part, two base 1 of keeping away from relatively are close to each other and press from both sides tight the pipeline, because damping deformation is buffered to damping of damping aligning particle ring 2 itself, the axial distance is adjusted, the pipeline every single move is adjusted, the function of beat regulation, the stress assembly of pipeline in the clamp has been reduced, the problem that has great stress assembly has been solved, because damping is buffered of damping aligning particle ring 2 can be adjusted, when needs change damping, the damping of buffering to damping aligning particle ring 2 can, the problem of need changing the damping pad operation difficulty on the irregular extremely complicated pipeline of aeroengine arrangement has been solved.
The vibration-damping aligning particle ring 2 is two petals distributed on the two bases 1. The vibration-damping aligning particle ring 2 is made of a particle material which can perform vibration damping and can generate elastic deformation.
The vibration-damping self-aligning particle ring comprises an end cover A7 with an axial end face in close contact with one side of the vibration-damping self-aligning particle ring 2 and an end cover B8 with an axial end face in close contact with the other side of the vibration-damping self-aligning particle ring 2, the circumferential outer end faces of the end cover A7 and the end cover B8 are in close contact with the inner face of the base 1, the end cover A7 and the end cover B8 are close to each other to extrude the vibration-damping self-aligning particle ring 2, and the function of adjusting the damping of the vibration-damping self-aligning particle ring 2 is achieved; the end cover A7 and the end cover B8 are respectively and correspondingly provided with a thread through hole, and the end cover A7 and the end cover B8 are screwed in the thread through holes through bolts to carry out tensioning or loosening adjustment; the bolts are not shown in the drawing, fig. 2 only shows the end cover a7 and the end cover B8 at the upper part of the left base 1, the end cover a7 and the end cover B8 at the lower part of the left base 1 are not shown, and the end cover a7 and the end cover B8 at the upper part and the lower part of the right base 1 are not shown; when the end cover A7 and the end cover B8 are tightened by bolts, the vibration-damping aligning particle ring 2 is extruded, and the center of the through hole in the middle is adjusted to be small; when the end cover A7 and the end cover B8 are loosened by bolts, the vibration-damping aligning particle ring 2 deforms and expands, and the center of the through hole in the middle is enlarged; thereby achieving the effect of expanding and aligning the vibration-damping aligning particle ring 2.
One end of each of the two bases 1 is externally provided with a ring groove which is hooped by a snap ring 9; still including conical taut awl 3, but taut awl 3 elastic deformation, for example adopt elastic steel or elastic rubber, taut awl 3 middle part is equipped with through- hole 31, and 3 main aspects through-hole 31 covers of taut awl compress tightly at the other end of two bases 1, cramp at snap ring 9 and under the taut 3 main aspects through-hole 31 of awl compresses tightly the effect, realize being close to relatively of two bases 1, after dismantling snap ring 9 and taut awl 3, realize keeping away from of two bases 1.
The tensioning device further comprises a taper sleeve 4 and a bolt 5, wherein one end of the taper sleeve 4 is sleeved at the outer end of the tensioning cone 3, the taper sleeve 4 is in contact with the inclined surface of the tensioning cone 3, and the other end of the taper sleeve 4 is abutted against the head of the bolt 5; the through hole 31 at the small end of the tensioning cone 3 is internally provided with threads which are screwed with the threaded end of the bolt 5, when the bolt 5 is screwed into the taper sleeve 4, the taper sleeve 4 is pushed to the tensioning cone 3, and the tensioning cone 3 is extruded and deformed by the taper sleeve 4 to compress the other ends of the two bases 1.
The deformation groove 32 that is equipped with three intercommunication through-hole 31 on the main aspects of taut awl 3, when taut awl 3 is by the extrusion deformation of taper sleeve 4, because the existence of deformation groove 32 for the deformation of taut awl 3 main aspects compresses tightly more effectively to the other end of two bases 1.
Bolt 5 is stud, two bases 1, damping aligning granule ring 2, taper sleeve 4, end cover A7, end cover B8 and snap ring 9 are the even assembly in stud's both sides of duplicate, and when using, the clamp can be to two pipeline symmetry damping installations.

Claims (10)

1. An expanded aligning damping clamp which characterized in that includes:
two bases (1) which can be close to or far away from each other in relative distribution;
through bonding or placing damping aligning particle ring (2) that are located base (1), the damping of damping aligning particle ring (2) can be adjusted, and damping aligning particle ring (2) middle part constitutes a through-hole that supplies the pipeline to run through the installation.
2. The expandable self-aligning vibration damper clip according to claim 1, wherein: the vibration-damping aligning particle ring (2) is two petals distributed on the two bases (1).
3. The expandable self-aligning vibration damper clip according to claim 2, wherein: the vibration reduction aligning particle ring extrusion device is characterized by further comprising an end cover A (7) and an end cover B (8), wherein the end cover A (7) and the end cover B (8) are close to each other to extrude the vibration reduction aligning particle ring (2), and the function that the buffer damping of the vibration reduction aligning particle ring (2) can be adjusted is achieved.
4. The expandable self-aligning vibration damper clip according to claim 3, wherein: the end cover A (7) and the end cover B (8) are respectively and correspondingly provided with a thread through hole, and the end cover A (7) and the end cover B (8) are screwed in the thread through holes through bolts for tightening or loosening adjustment; when the end cover A (7) and the end cover B (8) are tightened through the bolts, the vibration-damping aligning particle ring (2) is extruded.
5. The expandable self-aligning vibration damper clip according to claim 4, wherein: one ends of the two bases (1) are hooped by a snap ring (9); the tensioning device is characterized by further comprising a conical tensioning cone (3), wherein the tensioning cone (3) can elastically deform, a through hole (31) is formed in the middle of the tensioning cone (3), and the large-end through hole (31) of the tensioning cone (3) is sleeved at the other ends of the two bases (1) to be compressed.
6. The expandable self-aligning vibration damper clip according to claim 5, wherein: the tensioning device is characterized by further comprising a taper sleeve (4) and a bolt (5), wherein one end of the taper sleeve (4) is sleeved at the outer end of the tensioning cone (3), the taper sleeve (4) is in contact with the inclined surface of the tensioning cone (3), and the other end of the taper sleeve (4) is abutted against the head of the bolt (5); the screw thread is arranged in the through hole (31) at the small end of the tensioning cone (3) and screwed with the screw thread end of the bolt (5), when the bolt (5) is screwed into the taper sleeve (4), the taper sleeve (4) is pushed to the tensioning cone (3), and the tensioning cone (3) is extruded and deformed by the taper sleeve (4) to compress the other ends of the two bases (1).
7. The expandable self-aligning vibration damper clip according to claim 6, wherein: the big end of the tensioning cone (3) is provided with a deformation groove (32).
8. The expandable self-aligning vibration damper clip according to claim 7, wherein: the deformation grooves (32) are communicated with three of the through holes (31).
9. The expandable self-aligning vibration damper clip according to claim 8, wherein: the bolt (5) is a stud bolt.
10. The expandable self-aligning vibration damper clip according to claim 9, wherein: two bases (1), damping aligning granule ring (2), taper sleeve (4), end cover A (7), end cover B (8) and snap ring (9) are the both sides of duplicate uniform assembly at stud.
CN202210013396.8A 2022-01-06 2022-01-06 Expandable aligning vibration attenuation clamp Pending CN114352807A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210013396.8A CN114352807A (en) 2022-01-06 2022-01-06 Expandable aligning vibration attenuation clamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210013396.8A CN114352807A (en) 2022-01-06 2022-01-06 Expandable aligning vibration attenuation clamp

Publications (1)

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CN114352807A true CN114352807A (en) 2022-04-15

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206072531U (en) * 2016-09-22 2017-04-05 上海博添船舶科技有限公司 A kind of ship fastening structure
CN107143698A (en) * 2017-06-01 2017-09-08 中国十七冶集团有限公司 A kind of detachable concrete delivery pump pipe shaped steel fixing device
CN207073640U (en) * 2017-07-20 2018-03-06 天津恒益昌科技发展有限公司 A kind of duplex device for hooping for being used for closely parallel cartridges
CN111255953A (en) * 2020-03-27 2020-06-09 河北科技大学 Quick sealing device between pipeline and floor
US20200217434A1 (en) * 2019-01-03 2020-07-09 The Boeing Company Adjustable Clamp Systems and Methods
CN212107184U (en) * 2020-03-09 2020-12-08 安徽太平建筑工程有限公司 Water conservancy water and electricity construction fastening processing apparatus
CN213575951U (en) * 2020-11-25 2021-06-29 陈涛 Fixing device for water conservancy and hydropower construction embedded pipe
CN113175563A (en) * 2021-04-13 2021-07-27 江苏科技大学 Self-adjusting ship pipeline vibration damping device and vibration damping method thereof
CN214618472U (en) * 2021-02-03 2021-11-05 厦门振为科技有限公司 Shock absorber and pipeline system
WO2021232457A1 (en) * 2020-05-20 2021-11-25 于宁宁 Novel three-way pipeline vibration absorber

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206072531U (en) * 2016-09-22 2017-04-05 上海博添船舶科技有限公司 A kind of ship fastening structure
CN107143698A (en) * 2017-06-01 2017-09-08 中国十七冶集团有限公司 A kind of detachable concrete delivery pump pipe shaped steel fixing device
CN207073640U (en) * 2017-07-20 2018-03-06 天津恒益昌科技发展有限公司 A kind of duplex device for hooping for being used for closely parallel cartridges
US20200217434A1 (en) * 2019-01-03 2020-07-09 The Boeing Company Adjustable Clamp Systems and Methods
CN212107184U (en) * 2020-03-09 2020-12-08 安徽太平建筑工程有限公司 Water conservancy water and electricity construction fastening processing apparatus
CN111255953A (en) * 2020-03-27 2020-06-09 河北科技大学 Quick sealing device between pipeline and floor
WO2021232457A1 (en) * 2020-05-20 2021-11-25 于宁宁 Novel three-way pipeline vibration absorber
CN213575951U (en) * 2020-11-25 2021-06-29 陈涛 Fixing device for water conservancy and hydropower construction embedded pipe
CN214618472U (en) * 2021-02-03 2021-11-05 厦门振为科技有限公司 Shock absorber and pipeline system
CN113175563A (en) * 2021-04-13 2021-07-27 江苏科技大学 Self-adjusting ship pipeline vibration damping device and vibration damping method thereof

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