CN204784435U - Silicon oil rubber shock absorber - Google Patents
Silicon oil rubber shock absorber Download PDFInfo
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- CN204784435U CN204784435U CN201520354143.2U CN201520354143U CN204784435U CN 204784435 U CN204784435 U CN 204784435U CN 201520354143 U CN201520354143 U CN 201520354143U CN 204784435 U CN204784435 U CN 204784435U
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- silicone oil
- silicon oil
- damper mechanism
- shock absorber
- oil damper
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Abstract
The utility model discloses a silicon oil rubber shock absorber, including silicon oil damping mechanism and rubber damping mechanism, silicon oil damping mechanism is including installing at the epaxial silicon oil damping mechanism shell of song, silicon oil damping mechanism arranges the inner circle in, the silicon oil damping mechanism of this structure both can be through rubber damping mechanism to the bent axle damping, can carry out the damping to the bent axle through silicon oil damping mechanism again, the welding has a plurality of fin on the silicon oil damping mechanism shell, can cool down to the shock absorber, be equipped with wear ring and wear -resisting piece between inertia ring and silicon oil damping mechanism's casing and the apron, prevent the friction between the three, the cover is equipped with the switching dish rather than clearance fit on the outer lane of silicon oil damping mechanism shell, the cover is equipped with belt pulley inertia ring on the outer lane of switching dish, install the rubber circle between switching dish and the belt pulley inertia ring, the polywedge bet race has been seted up in the outside of belt pulley inertia ring, belt pulley inertia ring possesses the effect of belt pulley simultaneously, reduce the quality of shock absorber, the utility model discloses the damping is effectual.
Description
Technical field
The utility model relates to a kind of silicon oil rubber shock absorber.
Background technique
Operationally, due to the effect of cylinder combustion pressure, bent axle can produce torsional oscillation vibration makes bent axle bear shearing stress to motor, if torsional oscillation is excessive exceed the shearing stress limit, crankshaft system then can be damaged.Generally reduce torsional oscillation amplitude at crankshaft front end mounting dampers.Vibration damper is generally divided into silicon oil damper according to different object, rubber shock absorber, silicone oil rubber composite vibration reducing device.The peak value that silicon oil damper cuts down torsional oscillation curve by damping function carrys out vibration damping, original curve crest to be mainly split into two lower crests to carry out vibration damping by increasing axle system degrees of freedom by rubber shock absorber, and silicone oil rubber composite vibration reducing device has above-mentioned two features simultaneously.
Authorization Notice No. is CN2660216Y, patent name is the Chinese patent of silicone oil rubber damper, vibration damper comprises rubber damping mechanism and silicone oil damper mechanism two-part, mainly there are transfer panel, belt pulley in rubber damping mechanism and the rubber ring be arranged between transfer panel and belt pulley is formed, and silicone oil damper mechanism comprises housing, inertia rings; Described silicone oil damper mechanism is by the interference fit of housing and belt pulley, inertia rings coordinates with body clearance, gap is marked with silicone oil, silicone oil damper mechanism is placed in outer ring by the vibration damper of this structure, its damping capacity mainly acts on outer ring, and with the buffer function of the affixed inner ring of bent axle due to intermediate rubber layer, the damping effect be subject to weakens greatly; The front end of silicone oil damper mechanism devises belt pulley in addition, increases quality and the volume of vibration damper; Can be rubbed during vibration damper work silicone oil heating, and this vibration damper is without radiating fin, and the too high meeting of temperature makes silicon oil viscosity step-down, affect vibration damper effect, and high temperature can make silicone oil accelerated ageing, shortening vibration damper working life; In addition, rubber damping mechanism is with silicone oil damper mechanism interference fit, and install inconvenience, interchangeability is poor.
Model utility content
The technical problems to be solved in the utility model is for above-mentioned defect, provides a kind of silicon oil rubber shock absorber, this silicon oil rubber shock absorber good damping result, easy to process, reduces the weight and volume of axle system front end, and has the function of heat radiation.
In order to solve the problems of the technologies described above, the utility model comprises silicone oil damper mechanism and rubber damping mechanism, its structural feature is: silicone oil damper mechanism comprises the silicone oil damper mechanism shell be arranged on bent axle, described silicone oil damper mechanism shell is provided with ring cavity, this ring cavity internal clearance is combined with inertia rings, fill silicone oil in above-mentioned gap, described silicone oil damper mechanism shell is provided with the cover plate that ring cavity can be sealed; The outer ring of described silicone oil damper mechanism shell is set with the transfer panel with its Spielpassung, the outer ring of described transfer panel is set with belt pulley inertia rings, be provided with rubber ring between described transfer panel and belt pulley inertia rings, the outside of described belt pulley inertia rings offers poly Vbelt race.
Between the inwall of described inertia rings and silicone oil damper mechanism shell, wear ring is installed, wear ring is used for every inertia rings and silicone oil damper mechanism shell, because wear ring mainly plays buffer action, therefore placed on the inwall of inertia rings, the linear velocity of inertia rings inner ring is less, the friction to wear ring can be weakened, extend its working life.In addition, when vibration damper runs, inertia rings can produce radial operation trend, and wear ring plays carrying effect, and therefore wear ring is wider, improves bearing strength.
Between the left side wall of described inertia rings and silicone oil damper mechanism shell, multiple wear-resistant block is installed, between the right side wall of described inertia rings and cover plate, multiple wear-resistant block is installed, wear-resistant block is for isolating silicone oil damper mechanism shell and inertia rings, cover plate and inertia rings, prevent the friction between three, therefore between silicone oil damper mechanism shell and inertia rings because inertia rings axial motion trend is more weak, wear-resistant block between inertia rings and cover plate, is selected to carry out isolating.
Distance between described wear-resistant block and inertia rings inwall is less than the distance between wear-resistant block and inertia rings outer wall, namely wear-resistant block is positioned near the lower inner ring position of linear speed, reduces the friction between inertia rings and silicone oil damper mechanism shell and between inertia rings and cover plate further.
The middle part of described rubber ring is inwardly recessed, and the cross section of rubber ring is roughly V-shaped, and the rubber ring of this shape can increase volume and the inertia of belt pulley inertia rings, thus reduces quality and the external diameter of whole vibration damper.
The left side of described silicone oil damper mechanism shell is connected by multiple hexagon socket head cap screw with between transfer panel.
The right side of described silicone oil damper mechanism shell is connected by multiple junction of the edges of two sheets of paper screw with between transfer panel.
Described silicone oil damper mechanism enclosure axis is to being welded with multiple radiating fin arranged evenly on the surface.
Advantageous effect after employing such scheme is: silicone oil damper mechanism is placed in inner ring, silicone oil damper mechanism is directly connected with bent axle, during silicon oil rubber shock absorber work, one of a crankshaft torsional vibrations curve crest can be split into two less crests by rubber damping mechanism, simultaneously, because silicone oil damper mechanism acts directly on bent axle, therefore peak clipping can be carried out by silicone oil damper mechanism to two crests again, the torsional oscillation of further reduction bent axle, namely the silicone oil damper mechanism of this structure both can by rubber damping mechanism to bent axle vibration damping, remarkable vibration damping can be carried out to bent axle again by silicone oil damper mechanism, the outside of belt pulley inertia rings offers poly Vbelt race, makes belt pulley inertia rings have the effect of belt pulley simultaneously, avoids the additional belt pulley in front end, reduces the weight and volume of axle system front end, silicone oil damper mechanism increases radiating fin, so just effectively can reduce the temperature of vibration damper, keep the damping property of silicone oil damper mechanism, extend the working life of vibration damper.
In sum, the utility model good damping result, easy to process, reduce the weight and volume of axle system front end, and there is the function of heat radiation.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the left view of Fig. 1.
Embodiment
As depicted in figs. 1 and 2, this silicon oil rubber shock absorber comprises silicone oil damper mechanism and rubber damping mechanism, and silicone oil damper mechanism comprises the silicone oil damper mechanism shell 4 be arranged on bent axle, in the present embodiment the flange part of silicone oil damper mechanism shell 4 and bent axle fastening.Silicone oil damper mechanism shell 4 is provided with ring cavity.The opening of this ring cavity is towards axial side, this ring cavity internal clearance is combined with inertia rings 6, silicone oil is filled in above-mentioned gap, silicone oil damper mechanism shell 4 is provided with the cover plate 5 that ring cavity can be sealed, the present embodiment cover plate 5 is welded on silicone oil damper mechanism shell 4, also leave gap between inertia rings 6 and cover plate 5, inertia rings 6 and silicone oil can be sealed in above-mentioned ring cavity by cover plate 5.It is left for describing arrow A indicated direction in Fig. 1 for convenience, and contrary direction is right.Between the inwall of inertia rings 6 and silicone oil damper mechanism shell 4, wear ring 8 is installed, in the present embodiment, wear ring 8 is for isolating inertia rings 8 and silicone oil damper mechanism shell 4, because wear ring 6 mainly plays buffer action, therefore placed between the inwall of inertia rings 6 and silicone oil damper mechanism shell 4, the linear velocity of inertia rings 6 inner ring is less, the friction to wear ring 8 can be weakened, extend its working life.In addition, when vibration damper runs, inertia rings 8 can produce radial operation trend, and wear ring 8 plays carrying effect, and therefore in the present embodiment, wear ring 8 is wider, improves bearing strength.Be provided with multiple wear-resistant block 7 between the left side wall of inertia rings 6 and silicone oil damper mechanism shell 4, be provided with multiple wear-resistant block 7 between the right side wall of inertia rings 6 and cover plate 5, in the present embodiment, multiple wear-resistant block 7 is along the circumference uniform distribution of inertia rings 6.Wear-resistant block 7 is for isolating silicone oil damper mechanism shell 4 and inertia rings 6, cover plate 5 and inertia rings 6, prevent the friction between three, therefore between silicone oil damper mechanism shell 4 and inertia rings 6 because inertia rings 6 axial motion trend is more weak, wear-resistant block 7 between inertia rings 6 and cover plate 5, is selected to carry out isolating.Distance in the present embodiment between wear-resistant block 7 and inertia rings 6 inwall is less than the distance between wear-resistant block 7 and inertia rings 6 outer wall, namely wear-resistant block 7 is positioned near the lower inner ring position of linear speed, reduces the friction between inertia rings 6 and silicone oil damper mechanism shell 4 and between inertia rings 6 and cover plate 5 further.Silicone oil damper mechanism shell 4 right outer surfaces is all welded with multiple radiating fin 10, in the present embodiment, the radiating fin 10 in left side is welded on silicone oil damper mechanism shell 4 left outer surface, the radiating fin 10 on right side is welded on the outer surface of cover plate 5, due to silicone oil friction meeting heat-dissipating, silicone oil at high operating temperatures viscosity can be thinning, thus reduction damping, affect vibration damper working life, therefore on silicone oil damper mechanism shell 4, multiple radiating fin 10 is welded, effectively can reduce the temperature of vibration damper, keep the damping property of silicone oil damper mechanism, extend the working life of vibration damper.
The outer ring of silicone oil damper mechanism shell 4 is set with the transfer panel 3 with its Spielpassung, transfer panel 3 plays a part to connect rubber damping mechanism and silicone oil damper mechanism.The left side of silicone oil damper mechanism shell 4 is connected by multiple hexagon socket head cap screw 12 with between transfer panel 3, and the right side of silicone oil damper mechanism shell 4 is connected by multiple junction of the edges of two sheets of paper screw 11 with between transfer panel 3.Namely transfer panel 3 is linked together with silicone oil damper mechanism shell 4 by multiple hexagon socket head cap screw 12 connection and multiple junction of the edges of two sheets of paper screw 11, the outer ring of transfer panel 3 is set with belt pulley inertia rings 1, rubber ring 2 is installed between transfer panel 3 and belt pulley inertia rings 1, the middle part of rubber ring 2 is inwardly recessed, in the present embodiment, the cross section of rubber ring 2 is roughly V-shaped, the rubber ring 2 of this shape can increase volume and the inertia of belt pulley inertia rings 1, thus reduces quality and the external diameter of whole vibration damper.The outside of belt pulley inertia rings 1 offers poly Vbelt race, makes belt pulley inertia rings 1 have the effect of belt pulley simultaneously, belt pulley and vibration damper coasting body is united two into one, thus avoids the additional belt pulley in front end, reduces the weight and volume of axle system front end.
Silicone oil damper mechanism and rubber damping mechanism all independently process, and be fastened as a whole with junction of the edges of two sheets of paper screw 11 and hexagon socket head cap screw 12 after assembling, wherein any one mechanisms fail is all replaceable.Rubber shock absorber is equivalent to increase one degree of freedom on bent axle, and its coasting body outer ring is equivalent to the quality increased newly, and rubber is equivalent to the damping that increases newly and spring.The performance of its vibration damping is: torsional oscillation curve becomes two crests by original crest, and each peak less than original single peak (peak is torsional oscillation peak swing).Silicon oil damper is then that the peak value cutting down torsional oscillation curve by the powerful damping function of silicone oil realizes vibration damping.Therefore both advantages combine by the utility model, realize better effectiveness in vibration suppression.During the work of this silicon oil rubber shock absorber, one of a crankshaft torsional vibrations curve crest can be split into two less crests by rubber damping mechanism, simultaneously, because silicone oil damper mechanism acts directly on bent axle, therefore can carry out peak clipping by silicone oil damper mechanism to two crests again, reduce the torsional oscillation of bent axle further.
The utility model is not limited to above-mentioned embodiment, those skilled in the art, under the prerequisite not departing from spirit and scope of the present utility model, can do some changes and modification.Protection domain of the present utility model should be as the criterion with claim of the present utility model.
Claims (8)
1. a silicon oil rubber shock absorber, comprise silicone oil damper mechanism and rubber damping mechanism, it is characterized in that: silicone oil damper mechanism comprises the silicone oil damper mechanism shell (4) be arranged on bent axle, described silicone oil damper mechanism shell (4) is provided with ring cavity, this ring cavity internal clearance is combined with inertia rings (6), fill silicone oil in above-mentioned gap, described silicone oil damper mechanism shell (4) is provided with the cover plate (5) that ring cavity can be sealed; The outer ring of described silicone oil damper mechanism shell (4) is set with and the transfer panel of its Spielpassung (3), the outer ring of described transfer panel (3) is set with belt pulley inertia rings (1), be provided with rubber ring (2) between described transfer panel (3) and belt pulley inertia rings (1), the outside of described belt pulley inertia rings (1) offers poly Vbelt race.
2. silicon oil rubber shock absorber according to claim 1, is characterized in that: be provided with wear ring (8) between the inwall of described inertia rings (6) and silicone oil damper mechanism shell (4).
3. silicon oil rubber shock absorber according to claim 1, it is characterized in that: between the left side wall of described inertia rings (6) and silicone oil damper mechanism shell (4), multiple wear-resistant block (7) is installed, between the right side wall of described inertia rings (6) and cover plate (5), multiple wear-resistant block (7) is installed.
4. silicon oil rubber shock absorber according to claim 3, is characterized in that: the distance between described wear-resistant block (7) and inertia rings (6) inwall is less than the distance between wear-resistant block (7) and inertia rings (6) outer wall.
5. silicon oil rubber shock absorber according to claim 1, is characterized in that: the middle part of described rubber ring (2) is inwardly recessed.
6. silicon oil rubber shock absorber according to claim 1, is characterized in that: the left side of described silicone oil damper mechanism shell (4) is connected by multiple hexagon socket head cap screw (12) with between transfer panel (3).
7. silicon oil rubber shock absorber according to claim 1, is characterized in that: the right side of described silicone oil damper mechanism shell (4) is connected by multiple junction of the edges of two sheets of paper screw (11) with between transfer panel (3).
8. silicon oil rubber shock absorber according to claim 1, is characterized in that: described silicone oil damper mechanism shell (4) axial surface is welded with multiple radiating fin arranged evenly (10).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520354143.2U CN204784435U (en) | 2015-05-28 | 2015-05-28 | Silicon oil rubber shock absorber |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520354143.2U CN204784435U (en) | 2015-05-28 | 2015-05-28 | Silicon oil rubber shock absorber |
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| CN204784435U true CN204784435U (en) | 2015-11-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109099111A (en) * | 2018-09-29 | 2018-12-28 | 安徽工程大学 | A kind of torsion vibration absorber and its installation method |
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- 2015-05-28 CN CN201520354143.2U patent/CN204784435U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109099111A (en) * | 2018-09-29 | 2018-12-28 | 安徽工程大学 | A kind of torsion vibration absorber and its installation method |
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