CN104696431A - Rubber torsional shock absorber - Google Patents
Rubber torsional shock absorber Download PDFInfo
- Publication number
- CN104696431A CN104696431A CN201510078222.XA CN201510078222A CN104696431A CN 104696431 A CN104696431 A CN 104696431A CN 201510078222 A CN201510078222 A CN 201510078222A CN 104696431 A CN104696431 A CN 104696431A
- Authority
- CN
- China
- Prior art keywords
- rubber
- mounting flange
- mass inertia
- peripheral surface
- inertia block
- Prior art date
- 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.)
- Pending
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
- F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
- F16F15/121—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon using springs as elastic members, e.g. metallic springs
- F16F15/124—Elastomeric springs
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
- F16F15/14—Suppression of vibrations in rotating systems by making use of members moving with the system using masses freely rotating with the system, i.e. uninvolved in transmitting driveline torque, e.g. rotative dynamic dampers
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention provides a rubber torsional shock absorber and relates to a torsional shock absorber. The torsional shock absorber comprises a mass inertia block, a shock absorbing rubber, a connecting flange plate and a limit retaining ring, wherein a plurality of convex blocks are arranged on the inner circumferential surface of the mass inertia block at equal intervals; a plurality of groups of limiting blocks are arranged on the outer circumferential surface of a tube wall of the connecting flange plate at equal intervals; the two groups of limiting blocks are respectively and symmetrically distributed on the two sides of the corresponding convex block; a retaining edge for connecting the two adjacent limiting blocks together is arranged on the sealing end of the connecting flange plate; the outer circumferential surface of the limit retaining ring and the inner circumferential surface of the tube wall of the connecting flange plate are in pressure fit together; the connecting flange plate and the mass inertia block are bonded through the shock absorbing rubber in a thermally-vulcanized manner to form a whole body; the limiting blocks, the retaining edges and the limit retaining ring form a square limiting mechanism which encloses the convex blocks in the center and is filled with the shock absorbing rubber in the middle. According to the rubber torsional shock absorber, the rubber ultra-limit deformation can be avoided, and throwing-out and falling-off when the mass inertia block runs at a high speed can be prevented. The rubber torsional shock absorber has the advantages of being simple in structure, lower in cost and easy to popularize and use.
Description
Technical field
The present invention relates to a kind of torsional vibration damper, especially a kind of rubber torsional vibration damper being applied to front-engine rear-drive electrical automobile transmission shaft.
Background technique
Along with the development of society and the raising of living standard, vehicle ride comfort and noise level requirements more and more higher.Solution motor system vibration by no means, particularly reduces front-engine rear-drive power train torsional resonance, has become the main method improving automobile vibration and noise, and on transmission shaft, assemble the Main Means that rubber torsional vibration damper is exactly solution power train abnormal vibrations.Design and control vibration damper natural frequency are mated with transmission system resonance spectrum, control the unbalancing value of vibration damper, the reverse inertial force of mass inertia block when rotating resonance is utilized to offset vibration force, rubber produces frictional heat with attenuation vibration energy when being out of shape simultaneously, reaches and reduces vehicle resonance noise object.
The front-engine rear-drive electrical automobile transmission shaft rubber torsional vibration damper structure that current market at home generally uses is as shown in Fig. 6 and Fig. 7 of accompanying drawing, mass inertia block is connected by vulcanized rubber with mounting flange, during assembling by pilot hole in mounting flange and transmission shaft fastening.This structure is comparatively simple, cost is lower, but in actual use, vehicle is when anxious acceleration and deceleration or emergency braking, due to effect of inertia, mass inertia block produces larger rotating inertia force, adds resonant interaction, cause rubber to be easy to produce ultralimit to be out of shape and pre-burst inefficacy, reduce vibration damper working life, mass inertia block can be caused time serious to get rid of and deviate to injure other parts of the transmission shaft such as pipe fitting, fuel tank periphery, jeopardize traffic safety.
Chinese invention patent application numbers 201410004215.0 disclose a kind ofly to be provided with axially, radial and reverse the Novel torsional vibration damper of limit stoper, by limiting each to activity displacement of mass inertia block, avoid the rubber problem that pre-burst lost efficacy due to ultralimit distortion, but still there is following shortcoming in this patent: (1) each to limit stoper be independent design, structure is more complicated, and manufacture cost is higher; (2) respectively directly contact spacing to being mainly rigidity, rigid material, such as easily produced collision and frictional noise between metal and metal, reduces car load NVH function.
Summary of the invention
The technical problem to be solved in the present invention is: provide one that rubber ultralimit can be avoided to be out of shape and to prevent mass inertia block from being got rid of when running up, and Noise Reduction is good, structure is simple, the rubber torsional vibration damper of lower-cost front-engine rear-drive electrical automobile transmission shaft use.
The technological scheme solved the problems of the technologies described above is: a kind of rubber torsional vibration damper, comprising mass inertia block, absorber rubber, mounting flange for being fastenedly connected with transmission shaft, also including spacing back-up ring;
Described mass inertia block is circular ring, and the inner peripheral surface of this mass inertia block is first-class is arranged at intervals with multiple projection;
Described mounting flange is the cylinder-like structure that one end is opening end, the other end is sealing end, and first-class being arranged at intervals with of barrel external peripheral surface of this mounting flange organizes limiting stopper more, and the group number of limiting stopper is consistent with number of slugs; The quantity often organizing limiting stopper is two, is symmetrically respectively distributed in corresponding projection both sides; Described mounting flange is provided with the rib linked together by two adjacent limiting stoppers on the external peripheral surface of sealing end;
Described spacing back-up ring is the circular ring of one end with positive stop lug boss, together with the external peripheral surface of this spacing back-up ring and the barrel inner peripheral surface of mounting flange are fitted in by interference fit, between mounting flange and mass inertia block, form one by absorber rubber bonding hot vulcanization; Limiting stopper, rib, spacing back-up ring form the square position-limit mechanism that projection is trapped among center by, centre is full of absorber rubber.
Further technological scheme of the present invention is: described mass inertia block is provided with the positioning hole of at least 2 sulfidization moldings at end face, each positioning hole is circumferentially spacedly distributed respectively.
Described mounting flange is provided with mesopore and pilot hole on sealing end end face.
The monolateral minimum separable of described projection and limiting stopper is at least 8mm.
The monolateral minimum separable of described projection and rib, spacing back-up ring is at least 4mm.
The minimum separable of described projection and mounting flange barrel external peripheral surface is at least 4mm.
The height sum on the arbitrary limit in described bump height and square position-limit mechanism, with mass inertia block inner peripheral surface to mounting flange barrel external peripheral surface spacing compared be at least greater than 3mm.
Owing to adopting said structure, the rubber torsional vibration damper of the present invention compared with prior art, has following beneficial effect:
1. rubber ultralimit can be avoided to be out of shape and to prevent mass inertia block from being got rid of when running up:
Due to a kind of rubber torsional vibration damper of the present invention, comprise mass inertia block, absorber rubber, mounting flange, spacing back-up ring; Wherein the inner peripheral surface of mass inertia block is first-class is arranged at intervals with multiple projection; First-class being arranged at intervals with of barrel external peripheral surface of mounting flange organizes limiting stopper more, mounting flange is provided with the rib linked together by two adjacent limiting stoppers on the external peripheral surface of sealing end, together with the external peripheral surface of spacing back-up ring and the barrel inner peripheral surface of mounting flange are fitted in by interference fit, between mounting flange and mass inertia block, form one by absorber rubber bonding hot vulcanization; Limiting stopper, rib, spacing back-up ring form the square position-limit mechanism that projection is trapped among center by, centre is full of absorber rubber, and this square position-limit mechanism serves rotation, axial and radial position-limiting action.Therefore, the present invention is by mass inertia block weight and absorber rubber stiffness equivalent, the noise caused at a certain band resonant of satisfied reduction transmission shaft, improve on basis that riding comfort requires, owing to adding rotation, axial and radial spacing setting, effectively control each to inertia extreme displacement amount of mass inertia block, prevent absorber rubber from producing due to ultralimit distortion and tear inefficacy in early days; Same, can also prevent mass inertia block from getting rid of and deviate to injure other parts of the transmission shaft such as pipe fitting, fuel tank periphery, further increase the working life of product and the Security of vehicle traveling.
2. Noise Reduction is good:
Because limiting stopper of the present invention, rib, spacing back-up ring form the square position-limit mechanism that projection is trapped among center by, centre is full of absorber rubber, namely be of the present invention respectively to all there being flexible absorber rubber between spacing component and projection, therefore, of the present invention respectively to spacing be all that flexible contact is spacing, thus minimizing frictional noise, improve car load NVH function.
3. structure is simple, cost is lower:
Spacing being the integrated design is contacted because rotation of the present invention, axis and radial direction are non-rigid, component used are less, compared with at present more novel torsional vibration damper structure structure disclosed in Chinese invention patent application numbers 201410004215.0, have the advantages that structure is simple, manufacturing process is easy, cost is low, be easy to apply.
Below, in conjunction with the accompanying drawings and embodiments the technical characteristics of the rubber torsional vibration damper of the present invention is further described.
Accompanying drawing explanation
Fig. 1 ~ Fig. 2: the structural representation of the rubber torsional vibration damper of the present invention,
Fig. 1: plan view, the front sectional view of Fig. 2: Fig. 1;
Fig. 3: the three-dimensional structure diagram of mass inertia block,
Fig. 4: the three-dimensional structure diagram of mounting flange,
Fig. 5: the three-dimensional structure diagram of spacing back-up ring;
Fig. 6 ~ Fig. 7: the structural representation of existing rubber torsional vibration damper,
Fig. 6: plan view, the front sectional view of Fig. 7: Fig. 6;
In figure:
1-mass inertia block, 11-projection, 12-positioning hole;
2-absorber rubber;
3-mounting flange, 31-limiting stopper, 32-mesopore, 33-pilot hole, 34-rib;
The spacing back-up ring of 4-, 41-positive stop lug boss.
Embodiment
Embodiment one:
A kind of rubber torsional vibration damper, comprises the mass inertia block 1 that can produce inertia displacement, absorber rubber 2, spacing back-up ring 4 and the mounting flange 3 for being fastenedly connected with transmission shaft with enough weight; Wherein:
Described mass inertia block 1 is circular ring, integrally formedly at equal intervals on the inner peripheral surface of this mass inertia block 1 be provided with 4 projections 11, this mass inertia block 1 also arranges sulfidization molding positioning hole 12 at end face, in order to reduce the rotation unbalancing value of vibration damper, positioning hole 12 is at least 2, for being circumferentially spacedly distributed;
Described mounting flange 3 for one end be opening end, the other end is the cylinder-like structure of sealing end, integrally formedly at equal intervals on the external peripheral surface of this mounting flange 3 be provided with 4 groups of limiting stoppers 31, the quantity often organizing limiting stopper 31 is two, the symmetrical both sides being distributed in corresponding projection 11 respectively; Described mounting flange 3 is provided with the rib 34 linked together by two adjacent limiting stoppers 31 on the external peripheral surface of sealing end; Described mounting flange 3 is provided with mesopore 32 and pilot hole 33 on sealing end end face, and wherein pilot hole 33 is 4, and for circumferentially arranging distribution at equal intervals, pilot hole 33, except for except being fastenedly connected with transmission shaft, can be used for sulfidization molding location;
Described spacing back-up ring 4 is the circular ring of one end with positive stop lug boss 41, together with the external peripheral surface of this spacing back-up ring 4 and the barrel inner peripheral surface of mounting flange 3 are fitted in by interference fit, between mounting flange 3 and mass inertia block 1, form one by absorber rubber 2 bonding hot vulcanization; Material is thus formed 4 respectively by limiting stopper 31, rib 34, spacing back-up ring 4 form projection 11 is trapped among center, square position-limit mechanism that centre is full of absorber rubber 2, wherein, the limiting stopper 31 being positioned at projection 11 both sides plays the position-limiting action of sense of rotation, rib 34, spacing back-up ring 4 play axial limiting effect, and mounting flange 3 barrel external peripheral surface plays radial position-limiting action.
Natural frequency according to different automobile types designs, and can adjust the volume of the quality of mass inertia block and absorber rubber, hardness or rigidity.
By adjustment projection 11 size and with the spacing of limiting stopper 31 to reach the object of Mass Control inertial mass 1 sense of rotation extreme displacement amount, but projection 11 is at least 8mm with the monolateral minimum separable of limiting stopper 31, with inertial mass 1 of ensuring the quality of products have enough rotate freely displacement amount, absorber rubber 2 sense of rotation have lower rigidity with in sense of rotation be non-rigid contact spacing.
Same, by adjustment projection 11 size and with the spacing of rib 34 and spacing back-up ring 4 to reach the object of Mass Control inertial mass axial limit displacement amount, but projection 11 is at least 4mm with the monolateral minimum separable of rib 34 and spacing back-up ring 4, to ensure axially for non-rigid contact is spacing.
Same, by adjusting the spacing of projection 11 and mounting flange 3 barrel external peripheral surface to reach the object of Mass Control inertial mass 1 radial limits displacement amount, but projection 11 is at least 4mm with the minimum separable of mounting flange 3 barrel external peripheral surface, to ensure that radial is that non-rigid contact is spacing.
Same, projection 11 height and the height sum on the arbitrary limit in the square position-limit mechanism be made up of limiting stopper 31, rib 34, spacing back-up ring 4, with mass inertia block 1 inner peripheral surface to mounting flange 3 barrel external peripheral surface spacing compared be at least greater than 3mm, to ensure having enough spacing loaded areas between projection 11 and square position-limit mechanism.
One as the present embodiment one converts, and according to different automobile types coupling needs, described projection 11 also can be 2,3, or is greater than 4; Limiting stopper 31 also can be 2 groups, 3 groups, or is greater than 4 groups, but limiting stopper 31 groups of numbers should be consistent with projection 11 quantity; Same, described square position-limit mechanism can be set to 2,3, or is greater than 4.
As another conversion of the present embodiment one, according to different automobile types coupling needs, described pilot hole 33 also can be 2,3, or is greater than 4.
Claims (7)
1. a rubber torsional vibration damper, comprising mass inertia block (1), absorber rubber (2), mounting flange (3) for being fastenedly connected with transmission shaft, it is characterized in that: also include spacing back-up ring (4);
Described mass inertia block (1) is circular ring, and the inner peripheral surface of this mass inertia block (1) is first-class is arranged at intervals with multiple projection (11);
Described mounting flange (3) for one end be opening end, the other end is the cylinder-like structure of sealing end, first-class being arranged at intervals with of the barrel external peripheral surface of this mounting flange (3) organizes limiting stopper (31) more, and the group number of limiting stopper (31) is consistent with projection (11) quantity; The quantity often organizing limiting stopper (31) is two, is symmetrically respectively distributed in corresponding projection (11) both sides; Described mounting flange (3) is provided with the rib (34) linked together by two adjacent limiting stoppers (31) on the external peripheral surface of sealing end;
Described spacing back-up ring (4) is for one end is with the circular ring of positive stop lug boss (41), together with the external peripheral surface of this spacing back-up ring (4) and the barrel inner peripheral surface of mounting flange (3) are fitted in by interference fit, between mounting flange (3) and mass inertia block (1), form one by absorber rubber (2) bonding hot vulcanization; Limiting stopper (31), rib (34), spacing back-up ring (4) form the square position-limit mechanism that projection (11) is trapped among center by, centre is full of absorber rubber (2).
2. rubber torsional vibration damper according to claim 1, is characterized in that: described mass inertia block (1) is provided with the positioning hole (12) of at least 2 sulfidization moldings at end face, and each positioning hole (12) is circumferentially spacedly distributed respectively.
3. rubber torsional vibration damper according to claim 1, is characterized in that: described mounting flange (3) is provided with mesopore (32) and pilot hole (33) on sealing end end face.
4. rubber torsional vibration damper according to claim 1, is characterized in that: described projection (11) is at least 8mm with the monolateral minimum separable of limiting stopper (31).
5. rubber torsional vibration damper according to claim 1, is characterized in that: described projection (11) is at least 4mm with the monolateral minimum separable of rib (34), spacing back-up ring (4).
6. rubber torsional vibration damper according to claim 1, is characterized in that: described projection (11) is at least 4mm with the minimum separable of mounting flange (3) barrel external peripheral surface.
7. the rubber torsional vibration damper according to claim 1 to the arbitrary claim of claim 6, it is characterized in that: the height sum on described projection (11) height and the arbitrary limit in square position-limit mechanism, with mass inertia block (1) inner peripheral surface to mounting flange (3) barrel external peripheral surface spacing compared be at least greater than 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510078222.XA CN104696431A (en) | 2015-02-13 | 2015-02-13 | Rubber torsional shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510078222.XA CN104696431A (en) | 2015-02-13 | 2015-02-13 | Rubber torsional shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104696431A true CN104696431A (en) | 2015-06-10 |
Family
ID=53343858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510078222.XA Pending CN104696431A (en) | 2015-02-13 | 2015-02-13 | Rubber torsional shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104696431A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106337897A (en) * | 2016-11-15 | 2017-01-18 | 安徽江淮汽车股份有限公司 | Absorber of torsional vibration from transmission shaft |
| CN106627091A (en) * | 2015-07-16 | 2017-05-10 | 上海汽车集团股份有限公司 | Hybrid electric vehicle, motor driving transmission system and vibration reduction mechanism of system |
| CN107676417A (en) * | 2017-09-30 | 2018-02-09 | 东风商用车有限公司 | A kind of silicon oil shock absorber |
| CN107747605A (en) * | 2017-09-30 | 2018-03-02 | 东风商用车有限公司 | Silicon oil shock absorber structure |
| CN114194034A (en) * | 2021-12-17 | 2022-03-18 | 北京中车赛德铁道电气科技有限公司 | Pantograph bow horizontal keeping structure based on flexible connection |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3242766A (en) * | 1963-07-29 | 1966-03-29 | Hillsdale Tool And Mfg Company | Vibration damper |
| CN102705437A (en) * | 2011-12-13 | 2012-10-03 | 同济大学 | Torsional vibration power vibration absorber for electric automobile power transmission system |
| JP2013007406A (en) * | 2011-06-23 | 2013-01-10 | Fuji Jidosha Kogyo Kk | Torsional vibration shock absorber |
| CN103727174A (en) * | 2014-01-03 | 2014-04-16 | 上汽通用五菱汽车股份有限公司 | Torsion damper |
| CN204592137U (en) * | 2015-02-13 | 2015-08-26 | 柳州金鸿橡塑有限公司 | Rubber torsional vibration damper |
-
2015
- 2015-02-13 CN CN201510078222.XA patent/CN104696431A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3242766A (en) * | 1963-07-29 | 1966-03-29 | Hillsdale Tool And Mfg Company | Vibration damper |
| JP2013007406A (en) * | 2011-06-23 | 2013-01-10 | Fuji Jidosha Kogyo Kk | Torsional vibration shock absorber |
| CN102705437A (en) * | 2011-12-13 | 2012-10-03 | 同济大学 | Torsional vibration power vibration absorber for electric automobile power transmission system |
| CN103727174A (en) * | 2014-01-03 | 2014-04-16 | 上汽通用五菱汽车股份有限公司 | Torsion damper |
| CN204592137U (en) * | 2015-02-13 | 2015-08-26 | 柳州金鸿橡塑有限公司 | Rubber torsional vibration damper |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106627091A (en) * | 2015-07-16 | 2017-05-10 | 上海汽车集团股份有限公司 | Hybrid electric vehicle, motor driving transmission system and vibration reduction mechanism of system |
| CN106627091B (en) * | 2015-07-16 | 2019-07-19 | 上海汽车集团股份有限公司 | Hybrid vehicle, motor driven transmission system and its damper mechanism |
| CN106337897A (en) * | 2016-11-15 | 2017-01-18 | 安徽江淮汽车股份有限公司 | Absorber of torsional vibration from transmission shaft |
| CN106337897B (en) * | 2016-11-15 | 2018-06-01 | 安徽江淮汽车集团股份有限公司 | A kind of transmission shaft reverses bump leveller |
| CN107676417A (en) * | 2017-09-30 | 2018-02-09 | 东风商用车有限公司 | A kind of silicon oil shock absorber |
| CN107747605A (en) * | 2017-09-30 | 2018-03-02 | 东风商用车有限公司 | Silicon oil shock absorber structure |
| CN114194034A (en) * | 2021-12-17 | 2022-03-18 | 北京中车赛德铁道电气科技有限公司 | Pantograph bow horizontal keeping structure based on flexible connection |
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Application publication date: 20150610 |