CN204785085U - Pipeline vibration isolation is anti props up gallows towards elasticity - Google Patents
Pipeline vibration isolation is anti props up gallows towards elasticity Download PDFInfo
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- CN204785085U CN204785085U CN201520489232.8U CN201520489232U CN204785085U CN 204785085 U CN204785085 U CN 204785085U CN 201520489232 U CN201520489232 U CN 201520489232U CN 204785085 U CN204785085 U CN 204785085U
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- steel ring
- frequency modulation
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- spring
- modulation spring
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Abstract
The utility model discloses a pipeline vibration isolation is anti props up gallows towards elasticity, including vulcanizing clamp, support piece and dynamic vibration absorber subassembly, it is a the ring structure to vulcanize the clamp, support piece is one 8 style of calligraphy structure, including last steel ring and lower steel ring, fixed connection in the middle of the upper and lower steel ring, the dynamic vibration absorber subassembly includes quality piece, last frequency modulation spring, lower frequency modulation spring and adjusts the double -screw bolt that adjusting bolt from the top down runs through frequency modulation spring, quality piece and lower frequency modulation spring in proper order, support piece's lower steel ring bottom fixed connection is on the base, and bolted connection is passed through with the vulcanization clamp in support piece's last steel ring top, and the regulation double -screw bolt upper end of dynamic vibration absorber subassembly links firmly the middle part at support piece, prop up the gallows and can vibrate the transmission to hull structure by the effective isolation pipeline, receive under the external shock condition on the naval vessel, accessible elastic support's elastic -plastic deformation effectively reduces external shock and to the impact stress of system's pipeline and the katogene who arouses, ensures systematically integrality and reliability.
Description
Technical field
The utility model belongs to Control Technique of Vibration and Noise field, is specifically related to a kind of vibration isolation of pipeline anti-impact spring support and hanger.
Background technique
On naval vessel, system pipeline is numerous, is network-likely extensively arranged in inner space, naval vessel, becomes the artery and blood vessel that ensure that naval vessel runs well.Because system pipeline is connected with power equipment, after power equipment extensively adopts large-scale vibration damping equipment, system pipeline becomes the most important passage that mechanical equipment vibration transmits.At present, in pipeline vibration Noise Control Design, main employing arranges the way of pipeline flexibility connection pipe and pipeline elastic support, the vibration caused with the transmission of effective isolated system pipeline vibration and radiated noise, wherein the type selecting of pipeline elastic support is reduce the important measures that pipeline vibration transmits with design.
Naval vessel in normal/cruise process, often can encounter that severse weather causes wave, shock problem; When meeting with enemy warship and attacking, larger waving and shock problem will be born.Waving of naval vessel is impacted and will be caused significantly distortion and the stress of inner space pipe network, the integrity of serious threat Ship System pipeline and functional realiey, affects vitality and the fighting capacity on naval vessel.In order to ensure integrity and the functional realiey of Ship System, in system pipeline design process, need the shock resistance demand considering pipeline.
For needing the demand considering vibration isolation and anti-impact design in pipeline elastic support design process simultaneously, require that elastic support has enough low rigidity on the one hand, to guarantee good vibration isolating effect, realize the isolation of pipeline vibration; On the other hand, require that elastic support has enough rigidity, to resist strong external impact load, and by the elasto plastic deformation apparatus with shock absorbing of resilient support members, reduce naval vessel and to withstand shocks the impact of load on inner system pipeline.The requirement of vibration isolation of pipeline anti-impact is conflict, how to design the key that a kind of elastic support having the requirement of vibration isolation erosion-resisting characteristics concurrently has become naval vessel vibration isolation of pipeline design.
Model utility content
In view of this, the utility model provides a kind of vibration isolation of pipeline anti-impact spring support and hanger, effectively can isolate pipeline vibration to the transmission of hull structure and the radiated noise that causes thereof under naval vessel normal/cruise state; Under naval vessel is subject to external impact situation, by the elasto plastic deformation of elastic support, effectively reduce external impact to the impact stress of system pipeline and the destruction that causes thereof, guarantee systematically integrity and reliability, improve the vitality of important system.
Realize the technical solution of the utility model as follows:
A kind of vibration isolation of pipeline anti-impact spring support and hanger, comprises sulfuration clip, supporting element and dynamic absorber assembly;
Sulfuration clip is a circle structure;
Supporting element is 8 font structures, comprises steel ring and lower steel ring, is fixedly connected with in the middle of upper and lower steel ring;
Dynamic absorber assembly comprises mass block, upper frequency modulation spring, lower frequency modulation spring and regulates stud, and adjusting bolt runs through frequency modulation spring, mass block and lower frequency modulation spring from top to bottom successively;
Be fixedly connected on bottom the lower steel ring of supporting element on pedestal, the upper steel ring top of supporting element and sulfuration clip are bolted, and the adjustment stud upper end of dynamic absorber assembly is connected in the middle part of supporting element.
Beneficial effect:
(1) the utility model device adopts sulfuration clip and elastic support to combinationally use, and realizes two grad vibration isolation design function, guarantees that suspension and support has good vibration isolating effect.
(2) the utility model device adopts supporting element as spring support and hanger agent structure, and supporting structure has good elasticity and plasticity requirements simultaneously, and in small deformation situation, belong to resiliently deformable, characteristic is similar to spring; In large deformation situation, belong to non-linear plastic distortion, effectively can consume impact energy, realize the requirement of elastic vibration isolation and anti-impact simultaneously.The blastic deformation amount that can bear is large, deformation process structural stability, and shock resistance is good.Achieve vibration isolation of pipeline and shock resistance function, the contradiction that effective solution pipe-line system vibration isolation and anti-impact design simultaneously, realize pipeline acoustical behavior and anti-impact Security integrated design.
(3) the utility model have employed dynamic absorber assembly, by regulating the frequency of dynamic absorber assembly, consistent with system pipeline characteristic line spectral frequency, reduce the transmission of line spectrum vibration by pipeline elastic support, dynamic absorber modular construction is simple, and frequency adjustment is convenient.
(4) the utility model device overall structure is simple, compact, lightweight, and technique is simple, easy for installation, and strong to pipeline working environment adaptability, cost is low, is convenient to real ship fitting operation.
Accompanying drawing explanation
Fig. 1 is plan view of the present utility model.
Fig. 2 is side view of the present utility model.
Wherein, semi-ring on 1-sulfuration clip, 2-bolt I, semi-ring under 3-sulfuration clip, 4-bolt II, 5-supporting element, 6-adjusting bolt, the upper frequency modulation spring of 7-, 8-mass block, frequency modulation spring under 9-, 10-bolt III.
Embodiment
To develop simultaneously embodiment below in conjunction with accompanying drawing, the utility model is described in detail.
As depicted in figs. 1 and 2, the utility model provides a kind of vibration isolation of pipeline anti-impact spring support and hanger, comprises sulfuration clip, supporting element 5 and dynamic absorber assembly;
Sulfuration clip is a circle structure, be formed by connecting by bolt I2 by semi-ring 3 under semi-ring 1 on sulfuration clip and sulfuration clip, on sulfuration clip, under semi-ring 1 and sulfuration clip, semi-ring 3 is two semicircle snap rings, the internal diameter of sulfuration clip is consistent with pipeline external diameter, the inner side of sulfuration clip is vulcanized rubber, when pipeline is fixed in sulfuration clip, and vulcanized rubber and pipeline close contact, to realize the first order vibration isolation of pipeline, the outside of sulfuration clip is steel snap ring.The thickness of slab of steel snap ring is 3mm, plate is wide is 10mm, and vulcanized rubber thickness is 15mm.
Supporting element 5 is figure-8 structure, comprises steel ring and lower steel ring, and upper steel ring and lower steel ring are approximately two ovals, the critical component that supporting element 5 designs for spring support and hanger anti-impact, and the whole framework of supporting element 5 adopts to be had better elastoplasticity steel and bend and form.The upper and lower steel ring agent structure of supporting element 5 is the thick Q345R shape steel plate of 5mm and bends and form.Upper steel ring strengthens steel plate by upper and lower two pieces of parallel straightways and two ends, left and right semicircle transition steel plate forms.The height of supporting element can be adjusted by the diameter changing transition semicircle, change the shock resistance displacement that can bear equally.Bottom steel ring is substantially the same with upper steel coil structures.Surface of steel plate carries out vulcanizing treatment, and sulfuration thickness is 10mm.Top, middle part, installation position, three, bottom are reserved, and do not do vulcanizing treatment.
Dynamic absorber assembly comprises mass block 8, upper frequency modulation spring 7, lower frequency modulation spring 9 and adjusting bolt 6, for realizing the function reducing or eliminate system pipeline line spectrum.Adjusting bolt 6 runs through frequency modulation spring 7, mass block 8 and lower frequency modulation spring 9 from top to bottom successively, and upper frequency modulation spring 7 is cylindrical spring, and its internal diameter is bigger compared with adjusting bolt 6, ensures the free travel of telescopic spring.Lower frequency modulation spring 9 is volute spring, can change the length of lower frequency modulation spring 9 by compressing lower nuts, to realize the natural frequency regulating dynamic vibration absorber assembly, realizes the effect of absorbing frequency trim joint.Mass block 8 is hung in adjusting bolt 6 by upper and lower spring compression.Lower frequency modulation spring 9 mainly bears the weight of mass block 8, upper frequency modulation spring 7 mainly plays a part to compress, upper and lower frequency modulation spring forms a quality-mass-spring system together with mass block 8, and the natural frequency of dynamic absorber assembly realizes regulating by the weight of the rigidity and mass block 8 that change spring.In spring support and hanger using process, need to regulate according to the natural frequency of system pipeline characteristic line spectral frequency to dynamic absorber assembly, guarantee that the natural frequency of dynamic absorber assembly is consistent with system pipeline characteristic line spectral frequency, reduce the transmission of line spectrum vibration by pipeline elastic support.
Integrated connection relation: be fixed on pedestal by bolt III10 bottom the lower steel ring of supporting element 5, the upper steel ring top of supporting element 5 is connected by bolt II4 with sulfuration clip, and dynamic absorber assembly is arranged on the middle part transverse slat of supporting element 5 by adjusting bolt 6 hanging.
Concrete installation step is as follows:
A. semi-ring 3 under sulfuration clip and supporting element 5 are combined into an entirety by bolt II4;
B. by the middle part mounting hole of adjusting bolt 6 through supporting element 5, ensure that adjusting bolt 6 can freely be rotated in hole;
C. upwards go here and there on adjusting bolt 6 from adjusting bolt 6 lower end successively by upper frequency modulation spring 7, mass block 8 and lower frequency modulation spring 9, the bottom double end nut of adjusting bolt 6 is locked; Because lower frequency modulation spring 9 is volute spring, in installation process, ensure that taper is large head-up;
D. according to position and the line arrangement situation of suspension and support, semi-ring under semi-ring 1, sulfuration clip on sulfuration clip 3 (bottom bracing structure containing after assembling) correspondence is stuck on pipeline, and locks with bolt I2; After locking, should ensure that the gap under semi-ring 1 on sulfuration clip, sulfuration clip between semi-ring 3 is about 3mm;
E. according to pipeline load and precompressed situation, adopt bottom the lower steel ring of supporting element 5 and between pedestal and adjust pad, the setting height(from bottom) of whole spring support and hanger is adjusted to and meets pipeline and prop up and hang installation requirement;
F. according to pipeline power equipment energizing frequency, regulate the compression degree of lower frequency modulation spring 9, when reaching design compression degree, lock bottom double end nut.
In sum, these are only preferred embodiment of the present utility model, be not intended to limit protection domain of the present utility model.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (1)
1. a vibration isolation of pipeline anti-impact spring support and hanger, is characterized in that, comprises sulfuration clip, supporting element and dynamic absorber assembly;
Sulfuration clip is a circle structure;
Supporting element is 8 font structures, comprises steel ring and lower steel ring, is fixedly connected with in the middle of upper and lower steel ring;
Dynamic absorber assembly comprises mass block, upper frequency modulation spring, lower frequency modulation spring and regulates stud, and adjusting bolt runs through frequency modulation spring, mass block and lower frequency modulation spring from top to bottom successively;
Be fixedly connected on bottom the lower steel ring of supporting element on pedestal, the upper steel ring top of supporting element and sulfuration clip are bolted, and the adjustment stud upper end of dynamic absorber assembly is connected in the middle part of supporting element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520489232.8U CN204785085U (en) | 2015-07-08 | 2015-07-08 | Pipeline vibration isolation is anti props up gallows towards elasticity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520489232.8U CN204785085U (en) | 2015-07-08 | 2015-07-08 | Pipeline vibration isolation is anti props up gallows towards elasticity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204785085U true CN204785085U (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520489232.8U Expired - Fee Related CN204785085U (en) | 2015-07-08 | 2015-07-08 | Pipeline vibration isolation is anti props up gallows towards elasticity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204785085U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976432A (en) * | 2015-07-08 | 2015-10-14 | 中国船舶重工集团公司第七一九研究所 | Pipeline vibration-insulation antishock elastic supporting suspension rack |
| CN108458040A (en) * | 2018-02-05 | 2018-08-28 | 中国人民解放军海军工程大学 | A kind of adjustable double-layer vibration damping module of integrated form |
-
2015
- 2015-07-08 CN CN201520489232.8U patent/CN204785085U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976432A (en) * | 2015-07-08 | 2015-10-14 | 中国船舶重工集团公司第七一九研究所 | Pipeline vibration-insulation antishock elastic supporting suspension rack |
| CN108458040A (en) * | 2018-02-05 | 2018-08-28 | 中国人民解放军海军工程大学 | A kind of adjustable double-layer vibration damping module of integrated form |
| CN108458040B (en) * | 2018-02-05 | 2020-12-15 | 中国人民解放军海军工程大学 | Integrated adjustable double-layer vibration reduction module |
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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: 20151118 Termination date: 20190708 |