CN2913729Y - Impact resistant ballonet vibration isolator with large load-bearing capacity and high reliability - Google Patents
Impact resistant ballonet vibration isolator with large load-bearing capacity and high reliability Download PDFInfo
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- CN2913729Y CN2913729Y CN 200620096279 CN200620096279U CN2913729Y CN 2913729 Y CN2913729 Y CN 2913729Y CN 200620096279 CN200620096279 CN 200620096279 CN 200620096279 U CN200620096279 U CN 200620096279U CN 2913729 Y CN2913729 Y CN 2913729Y
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- capsule
- flange
- vibration isolator
- high reliability
- air bag
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Abstract
An air bag vibration isolator, with large load carrying capacity, high reliability and shock resistance, relates to a vibration isolator to lower vibration transmission from power devices and equipment. An opening of a bowl disc type protection flange is opposite to a capsule; back of the bowl disc is secured onto a inside flange with bolts; a capsule with fillers comprises an inside rubber layer, a aromatic polyamide framework layer and an outside rubber layer; the aromatic polyamide framework layer of the capsule is rolled back along a central flange before being fixed with the inside flange and the outside flange; O-rings are provided at connection area between a top and lower cover plates and the outside flange; bolts are utilized to connect with the inside flange, so that the O-rings and the aromatic polyamide framework layer can be locked tightly. The utility model comprises the capsule with high pressurized capacity and perfect reliability, in which fillers are provided to make for limiting deformation & position and regulating natural frequency. The capsule is connected with the flanges through three types of flange structure, for which pulling resisting performance is perfect. The utility model has the advantages of small space volume, high load, perfect air tightness, high reliability and excellent vibration isolation and shock resistance, so that transmission of vibration and shock can be effectively prevented between equipment and base-plates. Rated load of the utility model is more than or equal to 1000kg.
Description
Technical field
The utility model relates to a kind of vibration isolator that reduces power plant and vibration equipment transmission.
Background technique
The vibration that control large-sized power device and machinery cause, make it satisfy standard-required, be industrial, civilian, the key of mechanical system design MSD in the Ship Design field particularly, adopting vibration insulation structure is to reduce power plant and vibration equipment to transmit effective method.The General Purpose Rubber vibration isolation element for the vibration of upper frequency, has vibration isolating effect preferably, and when vibration frequency was low, majority just adopted air bag vibration isolator (or claiming air cushion shock absorber).The air bag vibration isolator is a kind of vibration isolation element with non-linear quiet, dynamic rate and damping characteristic, it utilizes the non-linear rigidity of air compression and damping characteristic to come separating vibration and impact, has a wide range of applications in the vibration isolation design of large-sized power device and machinery.
Tradition curve sac type air bag vibration isolator utricule framework material generally adopts nylon or polyester cord, and the Placement of its capsule and end mainly contains five kinds: the one, and the fastening flange formula, promptly capsule, flange plate and screw are sulfided into one; The 2nd, the lap joint flange formula, promptly capsule, flange plate, screw are independent separately, and the time spent fits together; The 3rd, metallic coil side plate formula is about to the capsule two ends and embeds in the metallic coil side plate, and air-filled pore and mounting hole are arranged on the metallic coil side plate; The 4th, end plate is self-sealed, promptly utilizes inflation pressure and itself is self-styled; The 5th, hybrid, promptly capsule and being connected of end can be any in above-mentioned four kinds.This vibration isolator only is fit to little load, the low pressure operating mode is used.When load increases, and physical dimension requires when very little, working pressure in the vibration isolator capsule is increased substantially needs and (can reach 1.2～2.8MPa).And the necessary size of the air bag vibration isolator that the vibration isolation, the especially vibration isolation of ship machinery equipment that are used for large-sized power device and machinery design is little, load is big, tightness good, reliability is high.
Existing " a kind of high pressure sealing damping flange " (patent No. 02209325), by one be provided with the boss flange that protrudes the sealing pillow block, recessed flange, rotary activity that is connected on the boss flange cylindrical pillow block that is provided with indent sealing axis hole connects dish, one group of axial sealing ring, an end face shock-absorbing sealing gasket and one group of coupling bolt and forms." pipeline stretch vibration damper " (patent No. 91205536), the two ends of the vibration damper body made from rubber material 1 respectively are set with a flange plate 2, and the structural type that vibration damper body 1 adopts seal ring and spheroid capsule to be connected as a single entity is made.They do not have big bearing capacity.
Summary of the invention
The purpose of this utility model is at above-mentioned present situation, aims to provide a kind of bulk is little, load is big, tightness is good, reliability is high, the vibration isolation erosion-resisting characteristics is excellent big bearing capacity, high reliability, shock resistance air bag vibration isolator.
The implementation of the utility model purpose is; big bearing capacity; high reliability; shock resistance air bag vibration isolator; the rim of a bowl of bowl-type protection flange 6 is relative with capsule 1; the bowl back side is anchored on the inner flange 7 by bolt 13; in the capsule 1 of packing is arranged by inner glue layer 3; aramid fiber framework layer 4 and outer glue-line 5 constitute; it is fixing after the aramid fiber framework layer 4 of capsule 1 unrolls along spacer flanger 8 by inner flange 7 and outward flange 9; on being connected with outward flange 9; lower cover plate 11; 12 groove mid-" O " RunddichtringO 2; on; lower cover plate is connected with inner flange 7 by bolt 14; bolt 14 is with " O " RunddichtringO 2 and aramid fiber framework layer 4 lockings of unrolling, and last or lower cover plate has air-filled pore 17.
The utility model adopts capsule 1, and capsule 1 adopts the aramid fiber cord fabric to strengthen utricule compressive strength height, good reliability; Packing is housed in the capsule, can plays the distortion position-limiting action to the air bag vibration isolator on the one hand, can also adjust the natural frequency of air bag vibration isolator on the other hand.Capsule 1 adopts three flange structures with flange connection, and anti-pulling-and-doffing performance can be good, and outward flange 9 adopts 2 sealings of " O " RunddichtringO, tightness height with the cover plate interface.
The utility model bulk is little, load is big, tightness is good, reliability is high, the vibration isolation erosion-resisting characteristics is excellent, effectively vibration and the transmission of impacting, load rating 〉=1000kg between xegregating unit and the pedestal.
Description of drawings
Fig. 1 is the utility model structural representation
Fig. 2 is the utility model structure plan view
Embodiment
With reference to Fig. 1,2, the utility model comprises capsule 1, flange, cover plate, seal ring 2 and capsule inner stuffing five parts.Capsule 1 is made of inner glue layer 3, aramid fiber framework layer 4 and outer glue-line 5.Flange part comprises protection flange 6, inner flange 7, spacer flanger 8, outward flange 9 and separation sleeve 10.It is fixing after the aramid fiber framework layer 4 of capsule 1 unrolls along spacer flanger 8 by inner flange 7 and outward flange 9.Protection flange 9 is bowl shaped structure, and inner flange 7, spacer flanger 8, the aramid fiber framework layer 4 that unrolls and outward flange 9 are sulfided into one.
Capsule 1 adopts the aramid fiber cord fabric to strengthen utricule compressive strength height, good reliability.The rim of a bowl of bowl-type protection flange 6 is relative with capsule 1, the bowl back side is anchored on the inner flange 7 by bolt 13, its effect can shield to air bag vibration isolator utricule on the one hand, on the other hand when strong load or percussion, rely on the capsule utricule and protect contacting of flange 6, increase loaded area, can effectively improve the bearing capacity of air bag vibration isolator; When capsule 1 outer surface contacts with protection flange 6, can alleviate the increase of capsule 1 utricule in-draw stress greatly in addition, effectively improve the reliability of this air bag vibration isolator, effectively vibration and the transmission of impacting between xegregating unit and the pedestal.
According to the usage requirement difference, go up or cover plate on have an air-filled pore 17, also can be in the perforate of cover plate side, also can be perpendicular to the cover plate perforate.
Upper cover plate 11 and lower cover plate 12 respectively have four mounting holes 18 respectively, are connected with equipment by mounting hole upper cover plate 11, and lower cover plate 12 is connected with pedestal.
Packing in capsule 1 capsule is made of metalwork 15 and non-metal part 16, and non-metal part 16 is rubber, plastics or MR damper in the capsule.By adjusting the structure and the volume of packing, can play the distortion position-limiting action to the air bag vibration isolator on the one hand, can also adjust the natural frequency of air bag vibration isolator on the other hand.
Require different, that inner glue layer 3 and outer glue-line 5 materials are selected any one or two kinds in chlorinated scoline, natural rubber, butadiene rubber, the styrene butadiene rubber respectively for use and use glue according to the capsule tightness.
According to using the working pressure difference, the utility model aramid fiber framework layer 4 is selected for use two-layer, four layers or six layers of enhancing structure.According to using the working pressure difference, the utility model aramid fiber framework layer 4 can use aramid fiber, high-strength polyethylene, polyester, nylon or terylene organic fiber cord to make to strengthen framework material.
Require difference according to shock resistance, capsule inner stuffing 5 is made of metalwork 15 and non-metal part 16, and non-metal part 16 can be rubber, plastics or MR damper etc.Capsule inner stuffing 5 volume adjustment ranges are 0～90% of air bag vibration isolator capsule internal volume.
Through experimental test, load rating is 18 tons an air bag vibration isolator, and capsule 1 adopts four layers of aramid fiber cord to strengthen, and when its intraluminal pressure increased to 25Mpa, vibration isolator was not seen breakage; Depress in 2.5Mpa, left standstill 60 days, pressure falls less than 0.1%, does not see obvious gas leak phenomenon.The maximum boundary dimension of the air bag vibration isolator that the utility model is 18 tons is: long 460mm, wide 440mm, high 200mm.The volume of capsule inner stuffing sees the following form to the utility model natural frequency influence.
The air bag vibration isolator natural frequency influence of the packing of different volumes to 18 tons of load ratings is installed in the capsule.
| The volume ratio that the capsule inner stuffing accounts for | ?0 | ?20％ | ?40％ | ?60％ | ?80％ |
| Natural frequency, Hz | ?3.07 | ?3.3 | ?3.5 | ?4.0 | ?5.05 |
Claims (7)
1; big bearing capacity; high reliability; shock resistance air bag vibration isolator; the rim of a bowl that it is characterized in that bowl-type protection flange (6) is relative with capsule (1); the bowl back side is anchored on the inner flange (7) by bolt (13); in the capsule (1) of packing is arranged by inner glue layer (3); aramid fiber framework layer (4) and outer glue-line (5) constitute; it is fixing after the aramid fiber framework layer (4) of capsule (1) unrolls along spacer flanger (8) by inner flange (7) and outward flange (9); on being connected with outward flange (9); lower cover plate (11); (12) groove mid-" O " RunddichtringO (2); on; lower cover plate is connected with inner flange (7) by bolt (14); bolt (14) is " O " RunddichtringO (2) and the locking of the aramid fiber framework layer (4) that unrolls, goes up or lower cover plate has air-filled pore (17).
2, big bearing capacity according to claim 1, high reliability, shock resistance air bag vibration isolator; it is characterized in that protecting flange (9) to be bowl shaped structure, inner flange (7), spacer flanger (8), the aramid fiber framework layer (4) that unrolls and outward flange (9) are sulfided into one.
3, big bearing capacity according to claim 1, high reliability, shock resistance air bag vibration isolator is characterized in that inner glue layer (3) and outer glue-line (5) material are selected any one or two kinds in chlorinated scoline, natural rubber, butadiene rubber, the styrene butadiene rubber respectively for use and use glue.
4, big bearing capacity according to claim 1, high reliability, shock resistance air bag vibration isolator is characterized in that aramid fiber framework layer (4) selects for use two-layer, four layers or six layers to strengthen structures.
5, big bearing capacity according to claim 1, high reliability, shock resistance air bag vibration isolator is characterized in that aramid fiber framework layer (4) strengthens framework material with aramid fiber, high-strength polyethylene, polyester, nylon or terylene organic fiber cord work.
6, big bearing capacity according to claim 1, high reliability, shock resistance air bag vibration isolator is characterized in that capsule (1) capsule inner stuffing is made of metalwork (15) and non-metal part (16).
7,, it is characterized in that non-metal part (16) is rubber, plastics or MR damper in capsule (1) capsule according to claim 1 or 3 described big bearing capacitys, high reliability, shock resistance air bag vibration isolator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620096279 CN2913729Y (en) | 2006-04-20 | 2006-04-20 | Impact resistant ballonet vibration isolator with large load-bearing capacity and high reliability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620096279 CN2913729Y (en) | 2006-04-20 | 2006-04-20 | Impact resistant ballonet vibration isolator with large load-bearing capacity and high reliability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2913729Y true CN2913729Y (en) | 2007-06-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620096279 Expired - Lifetime CN2913729Y (en) | 2006-04-20 | 2006-04-20 | Impact resistant ballonet vibration isolator with large load-bearing capacity and high reliability |
Country Status (1)
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| CN (1) | CN2913729Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104596722A (en) * | 2015-02-16 | 2015-05-06 | 哈尔滨工程大学 | Multifunctional broadband deck simulator of floating shock platform |
| CN106402242A (en) * | 2016-12-05 | 2017-02-15 | 北京理工大学 | Membrane-type high-pressure air spring completely wrapped with sleeve |
| CN106567901A (en) * | 2015-10-08 | 2017-04-19 | 株洲时代新材料科技股份有限公司 | Pillowy low-frequency airbag vibration isolator and mounting method thereof |
| CN108317209A (en) * | 2017-01-16 | 2018-07-24 | 青岛海尔洗衣机有限公司 | A kind of household electrical appliance footing and household electrical appliance |
| CN109281980A (en) * | 2017-07-21 | 2019-01-29 | 青岛海尔洗衣机有限公司 | A kind of household electrical appliance footing and household electrical appliance |
| CN110159695A (en) * | 2019-05-17 | 2019-08-23 | 中国人民解放军海军工程大学 | Cord integration winding enhancing rubber air spring |
| CN110439960A (en) * | 2019-07-19 | 2019-11-12 | 中国船舶重工集团公司第七一九研究所 | A kind of small-sized air bag |
| CN111043219A (en) * | 2019-12-07 | 2020-04-21 | 佛山市鼎科科技发展有限公司 | Elasticity-adjustable air spring |
| CN112984024A (en) * | 2021-01-22 | 2021-06-18 | 中国人民解放军92578部队 | Capsule type molecular spring vibration isolator |
-
2006
- 2006-04-20 CN CN 200620096279 patent/CN2913729Y/en not_active Expired - Lifetime
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104596722B (en) * | 2015-02-16 | 2017-09-26 | 哈尔滨工程大学 | Wideband multifunctional floating impacts platform deck simulator |
| CN104596722A (en) * | 2015-02-16 | 2015-05-06 | 哈尔滨工程大学 | Multifunctional broadband deck simulator of floating shock platform |
| CN106567901A (en) * | 2015-10-08 | 2017-04-19 | 株洲时代新材料科技股份有限公司 | Pillowy low-frequency airbag vibration isolator and mounting method thereof |
| CN106567901B (en) * | 2015-10-08 | 2018-08-28 | 株洲时代新材料科技股份有限公司 | A kind of pincushion low frequency air bag vibration isolator and its installation method |
| CN106402242A (en) * | 2016-12-05 | 2017-02-15 | 北京理工大学 | Membrane-type high-pressure air spring completely wrapped with sleeve |
| CN106402242B (en) * | 2016-12-05 | 2018-12-28 | 北京理工大学 | A kind of membrane type pressure-air spring that sleeve coats entirely |
| CN108317209B (en) * | 2017-01-16 | 2020-11-03 | 青岛海尔洗衣机有限公司 | Footing for household appliance and household appliance |
| CN108317209A (en) * | 2017-01-16 | 2018-07-24 | 青岛海尔洗衣机有限公司 | A kind of household electrical appliance footing and household electrical appliance |
| US10844531B2 (en) | 2017-07-21 | 2020-11-24 | Qingdao Haier Washing Machine Co., Ltd. | Household appliance support and household appliance |
| CN109281980A (en) * | 2017-07-21 | 2019-01-29 | 青岛海尔洗衣机有限公司 | A kind of household electrical appliance footing and household electrical appliance |
| CN109281980B (en) * | 2017-07-21 | 2021-03-16 | 青岛海尔洗衣机有限公司 | Footing for household appliance and household appliance |
| CN110159695A (en) * | 2019-05-17 | 2019-08-23 | 中国人民解放军海军工程大学 | Cord integration winding enhancing rubber air spring |
| CN110439960A (en) * | 2019-07-19 | 2019-11-12 | 中国船舶重工集团公司第七一九研究所 | A kind of small-sized air bag |
| CN111043219A (en) * | 2019-12-07 | 2020-04-21 | 佛山市鼎科科技发展有限公司 | Elasticity-adjustable air spring |
| CN112984024A (en) * | 2021-01-22 | 2021-06-18 | 中国人民解放军92578部队 | Capsule type molecular spring vibration isolator |
| CN112984024B (en) * | 2021-01-22 | 2022-06-21 | 中国人民解放军92578部队 | Capsule type molecular spring vibration isolator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070620 |
|
| EXPY | Termination of patent right or utility model |