CN204533233U - Rotary shaft supporting device, transmission system and vehicle - Google Patents
Rotary shaft supporting device, transmission system and vehicle Download PDFInfo
- Publication number
- CN204533233U CN204533233U CN201520177324.2U CN201520177324U CN204533233U CN 204533233 U CN204533233 U CN 204533233U CN 201520177324 U CN201520177324 U CN 201520177324U CN 204533233 U CN204533233 U CN 204533233U
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- China
- Prior art keywords
- rotary shaft
- supporting device
- shaft supporting
- elastic ring
- rigidity
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- 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.)
- Expired - Fee Related
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 43
- 239000013536 elastomeric material Substances 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims description 31
- 238000009434 installation Methods 0.000 claims description 4
- 239000000523 sample Substances 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 208000035126 Facies Diseases 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Landscapes
- Vibration Prevention Devices (AREA)
- Support Of The Bearing (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The utility model provides a kind of rotary shaft supporting device, transmission system and vehicle, and rotary shaft supporting device comprises bearing unit, elastic ring and housing, and described bearing unit comprises retainer and is fixedly installed in the bearing of this retainer; Described elastic ring is made up of elastomeric material, and described elastic ring coaxially and be set on the periphery of described bearing unit regularly; Described housing is set on the periphery of described elastic ring regularly, and described rotary shaft supporting device also comprises the rigidity adjuster that can regulate described elastic ring rigidity.The rotary shaft supporting device that the utility model provides, transmission system and vehicle according to the rigidity of the different Operating condition adjustment rotary shaft supporting devices of running shaft, thus can reduce the vibration & noise produced when running shaft moves better.
Description
Technical field
The utility model relates to drive technology field, particularly a kind of rotary shaft supporting device, transmission system and vehicle.
Background technique
For ensureing the reliability of running shaft rotary motion, the support device with bearing unit is usually adopted to carry out supporting rotating shaft.
Such as, in technical field of vehicle, be connected on the transmission shaft between speed changer and ransaxle and be usually provided with support device, especially for the situation that the distance between speed changer and ransaxle is longer, transmission shaft is divided into two sections or multistage, often the running that supporting structure carrys out supporting shaft is set on leading portion transmission shaft (that section of transmission shaft be connected with speed changer).
When automobile uses under high temperature or low temperature environment, or when automobile travels at different speeds, the operating conditions of transmission shaft is different, and under different work condition environments, the characteristic requirements of the vibration reduction and cushioning that transmission shaft can provide for support device is different.Such as, owing to being provided with universal joint between two sections or multistage transmission shaft, make each section of transmission shaft in movement process, the angle of cut constantly changes, thus make to produce radial force between support device and transmission shaft, vehicle is in low cruise operating mode, and the radial force between support device and transmission shaft is less; And vehicle is when running up, the radial force between transmission shaft and support device is comparatively large, and the radial force produced between support device from transmission shaft is different, for making transmission shaft obtain good service performance, is also different to the rigidity requirement of support device.
But, for traditional support device, owing to just determining once the stiffness characteristics having manufactured rear support device (elastic ring), the different demands of different operating conditions in vehicle travel process thus can not be adapted to.
Therefore, how to make transmission shaft support device have adjustable stiffness characteristics and become related domain technical issues that need to address.
Model utility content
In view of this, the utility model is intended to propose a kind of rotary shaft supporting device, transmission system and vehicle, can not regulate the problem of rigidity to solve rotary shaft supporting device in prior art according to running shaft Operation Conditions.
For achieving the above object, the technical solution of the utility model is achieved in that
A kind of rotary shaft supporting device, described rotary shaft supporting device comprises:
Bearing unit, described bearing unit comprises retainer and is fixedly installed in the bearing of this retainer;
Elastic ring, described elastic ring is made up of elastomeric material, and described elastic ring is coaxially and be set on the periphery of described bearing unit regularly; And
Housing, described housing is set on the periphery of described elastic ring regularly,
Described rotary shaft supporting device also comprises the rigidity adjuster that can regulate described elastic ring rigidity.
Further, be provided with closed cavity in described elastic ring, described rigidity adjuster is the device of the gas pressure that can regulate in described closed cavity.
Further, described closed cavity is the ring cavity extended to form along the circumference of described elastic ring.
Further, described rigidity adjuster is the heating element that can heat described elastic ring or the device that can inflate described closed cavity or exit.
Further, described rigidity adjuster is the heating element that can heat described elastic ring.
Further, described heating element includes multiple heating pole, described housing is provided with the cutting graftage part with multiple jack, and the multiple described heating pole of described heating element to be plugged in respectively in multiple described jack and to contact with described elastic ring.
Further, the sensor that described rotary shaft supporting device also comprises controller and is connected with described controller, described sensor comprises for the speed probe of sensing rotation axle rotating speed and/or the temperature transducer for sensing ambient temperature residing for described running shaft, and described controller rigidity adjuster according to the SC sigmal control of described sensor carries out stiffness tuning to described elastic ring.
Further, described housing is provided with the installation hanger for installing this rotary shaft supporting device.
Relative to prior art, the rotary shaft supporting device that the utility model provides according to the different Operating condition adjustment rigidity of running shaft running, thus can reduce the vibration & noise produced when running shaft moves better.
Another object of the utility model provides a kind of transmission system, and described transmission system is provided with transmission shaft and the rotary shaft supporting device as above for supporting described transmission shaft.
A utility model again object provides a kind of vehicle, and described vehicle set has transmission system as above, and the rotary shaft supporting device in described transmission system is arranged on vehicle body.
The Dominant Facies that described transmission system and vehicle and above-mentioned rotary shaft supporting device have relative to prior art with, do not repeat them here.
Other features and advantages of the utility model are described in detail in embodiment part subsequently.
Accompanying drawing explanation
The accompanying drawing forming a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the sectional view of rotary shaft supporting device in a mode of execution of the present utility model;
Fig. 2 is for the rotary shaft supporting device shown in Fig. 1 is at the structural representation of separated state;
Fig. 3 is the sectional view of elastic ring;
Fig. 4 is the sectional view of retainer;
Fig. 5 is the structural representation of retainer separated state;
Fig. 6 is the structural representation of the outer ring annulus of housing;
Fig. 7 is the structural representation of the mounting bracket of housing;
Fig. 8 is the structural representation of heating element.
Description of reference numerals:
1-bearing unit; 11-bearing;
12-retainer; 121-bearing mounting groove;
2-elastic ring; 21-closed cavity;
22-first circular groove; 23-second circular groove;
3-housing; 31-outer ring annulus;
311-cutting graftage part; 32-mounting bracket;
321-arcuate structure; 322-installs hanger;
323-mounting hole; 4-heating element;
41-heating pole; 42-connection interface.
Embodiment
It should be noted that, when not conflicting, the embodiment in the utility model and the feature in embodiment can combine mutually.
The utility model provides a kind of rotary shaft supporting device, and described rotary shaft supporting device comprises bearing unit 1, elastic ring 2 and housing 3, and wherein, bearing unit 1 comprises retainer 12 and is fixedly installed in the bearing 11 of this retainer 12; Elastic ring 2 is made up of elastomeric material, specifically can be made up of rubber, and elastic ring 2 coaxially and be set on the periphery of bearing unit 1 regularly; Housing 3 is set on the periphery of elastic ring 2 regularly.In addition, also comprise can the rigidity adjuster of adjustable elastic circle 2 rigidity for this rotary shaft supporting device.
Basic thought of the present utility model is by arranging rigidity adjuster, make rotary shaft supporting device can carry out the rigidity of adjustable elastic circle 2 according to the different operating modes of running shaft, thus make rotary shaft supporting device can obtain good damping, buffering characteristic, to eliminate the vibration and noise that produce in running shaft movement process better.
The rotary shaft supporting device that the utility model provides specifically can be applicable on the transmission shaft between speed changer and ransaxle of vehicle, according to different operating modes during vehicle operating, the rigidity of rotary shaft supporting device is regulated by stiffness equivalent device, the vibration & noise that transmission shaft motion produces can be reduced, thus the NVH of lifting vehicle ((Noise, Vibration, Harshness, noise, vibration, travelling comfort) performance.Such as vehicle, in low cruise operating mode, needs rotary shaft supporting device to provide less stiffness characteristics to eliminate vibration, then by stiffness equivalent device, the rigidity of elastic ring 2 is diminished; And vehicle is when running up, need rotary shaft supporting device to provide larger stiffness characteristics to eliminate vibration, then make the rigidity of elastic ring 2 become large by stiffness equivalent device.In addition, when vehicle runs in low temperature environment, the rigidity of elastic ring 2 can be made to diminish, and when running in hot environment, the rigidity of elastic ring 2 can be made to become large.
The utility model is described in detail by specific embodiment below in conjunction with accompanying drawing.
As shown in Figure 1, be provided with closed cavity 21 in the elastic ring 2 in rotary shaft supporting device, preferably, this closed cavity 21 is the ring cavity extended to form along the circumference of elastic ring 2.What arrange in present embodiment can the rigidity adjuster of adjustable elastic circle 2 rigidity be the device of the gas pressure that can regulate in this closed cavity 21, to be carried out the rigidity of adjustable elastic circle 2 by the gas pressure in adjustment closed cavity 21.
In present embodiment, preferably, the rigidity adjuster that can adjust the gas pressure in closed cavity 21 is the heating element 4 that can heat elastic ring 2, heating element 4 be arranged on be positioned at elastic ring 2 periphery housing 3 on.
Concrete, as described in Figure 8, heating element 4 includes multiple heating pole 41, housing 3 is provided with the cutting graftage part 31 with multiple jack, on this cutting graftage part 31 that heating element 4 is arranged on housing 3 (as depicted in figs. 1 and 2), multiple heating poles 41 of heating element 4 to be plugged in respectively on the multiple jacks on cutting graftage part 31 and to contact with elastic ring 2, thus heat by heating pole 41 pairs of elastic rings 2.
After heating element 4 pairs of elastic rings 2 heat, the gas temperature in the closed cavity 21 of elastic ring 2 raises, and air pressure increases.It will be understood by those skilled in the art that the air pressure of closed cavity 21 inside increases, then the power be applied to elastic ring 2 from outside that elastic ring 2 can bear also increases, and that is the rigidity of elastic ring 2 improves.
In present embodiment, heating element 4 also comprises connection interface 42, connection interface 42 for being connected with power supply unit, for powering to heating element 4.
Need illustratively at this, the heating element 4 that the stiffness equivalent device of the gas pressure in closed cavity 21 is not limited to for heating elastic ring 2 can be regulated, such as this stiffness equivalent device also can be the device that can inflate closed cavity 21 or exit, as air pump etc.
In addition, the stiffness tuning of elastic ring 2 is also not limited to be regulated by closed cavity 21 pressure of adjustable elastic circle 2, also by only to the mode that elastic ring 2 heats, make elastic ring 2 make stiffness change by the change of temperature, this it will be appreciated by those skilled in the art that.
In present embodiment, the sensor (not shown) that rotary shaft supporting device also comprises controller (not shown) and is connected with described controller, described sensor comprises for the speed probe of sensing rotation axle rotating speed and/or the temperature transducer for ambient temperature residing for sensing rotation axle, certainly the sensor of vibration for sensing rotation axle or noise can also be comprised, the power supply unit that described controller can be connected with heating element 4 connects, to control the break-make of power supply or the size of electric current by controller according to the signal that described sensor obtains, thus control the degree of heat of heating element 4 pairs of elastic rings 2, or described controller can the rigidity adjuster of adjustable elastic circle 2 rigidity be connected with other, if the device etc. inflated elastic ring 2 or exit.By arranging sensor and controller, rigidity adjuster can be made comparatively accurately can to carry out stiffness tuning to elastic ring 2 according to the concrete operating mode of running shaft.
Situation about being applied on vehicle with the rotary shaft supporting device in present embodiment below further illustrates again.Rotary shaft supporting device comprises the sensor for obtaining speed information and/or the sensor for obtaining ambient temperature information, the information got is sent to controller by sensor, and controller can control the size of current (or degree that control is filled, the closed cavity 21 of means of deflation to elastic ring 2 fills, exits) whether heating element 4 is powered or powered according to the information received.In addition, also can by the stressing conditions of rotary shaft supporting device and running shaft and Vibration Condition, add that the real time information such as internal car noise feed back to control gear, out of Memory received by control gear also combines according to feedack controls rigidity adjuster, make rotary shaft supporting device can have different rigidity according to different operating modes, thus minimizing running shaft rotate the vibration & noise produced as far as possible.
Again the concrete structure of parts each in the rotary shaft supporting device provided in present embodiment is further described below.
In present embodiment, as described in Fig. 1 and Fig. 3, the inner peripheral surface of this elastic ring 2 has the first circular groove 22, outer peripheral surface has the second circular groove 23, thus the cross section of this elastic ring 2 is formed as the I-shape construction with closed cavity 21.
Concrete, the inner peripheral surface of elastic ring 2 is used for installing with the outer surface interference fit of the retainer 12 of bearing unit 1, the retainer 12 of bearing unit 1 is formed with the bearing mounting groove 121 (as shown in Figure 4) for holding bearing 11, the part being formed with this bearing mounting groove 121 of retainer 12 is placed in the first circular groove 22 of elastic ring 2.
Preferably, as shown in Figure 4 and Figure 5, retainer 12 is docked by two symmetrical ring bodies and is formed, and retainer 12 can be facilitated like this to install.
Housing 3 comprises the outer ring annulus 31 being positioned at elastic ring 2 periphery, the outer peripheral surface of elastic ring 2 is used for installing with the internal surface interference fit of outer ring annulus 31, the concrete structure of outer ring annulus 31 as shown in Figure 6, the neutral position indent of outer ring annulus 31, this female parts is arranged in the second circular groove 23 of elastic ring 2.
In addition, the housing 3 of the rotary shaft supporting device in present embodiment also comprises the installation hanger 322 for installing this rotary shaft supporting device.
Concrete, housing 3 also comprises the mounting bracket 32 of position outside outside loop portion 31, the concrete structure of mounting bracket 32 as described in Figure 7, this mounting bracket 32 comprises arcuate structure 321, the installation hanger 322 with mounting hole 323 is respectively arranged with, to be fixed on vehicle body or other parts to be installed by this rotary shaft supporting device by installing hanger 322 at the two ends of arcuate structure 321.
The utility model also provides a kind of transmission system on the other hand, and this transmission system is provided with transmission shaft and the rotary shaft supporting device as above for supporting this transmission shaft.Carry out supporting shaft by rotary shaft supporting device as above, the vibration & noise produced when can reduce transmission shaft driven preferably, make transmission shaft obtain kinetic characteristic preferably.
The utility model also provides a kind of vehicle more on the one hand, and described vehicle set has transmission system as above, and the rotary shaft supporting device in described transmission system is arranged on vehicle body.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the 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 (10)
1. a rotary shaft supporting device, described rotary shaft supporting device comprises:
Bearing unit (1), described bearing unit (1) comprises retainer (12) and is fixedly installed in the bearing (11) of this retainer (12);
Elastic ring (2), described elastic ring (2) is made up of elastomeric material, and described elastic ring (2) is coaxially and be set on the periphery of described bearing unit (1) regularly; And
Housing (3), described housing (3) is set on the periphery of described elastic ring (2) regularly,
It is characterized in that, described rotary shaft supporting device also comprises the rigidity adjuster that can regulate described elastic ring (2) rigidity.
2. rotary shaft supporting device according to claim 1, it is characterized in that, be provided with closed cavity (21) in described elastic ring (2), described rigidity adjuster is the device of the gas pressure that can regulate in described closed cavity (21).
3. rotary shaft supporting device according to claim 2, is characterized in that, described closed cavity (21) is the ring cavity extended to form along the circumference of described elastic ring (2).
4. rotary shaft supporting device according to claim 2, it is characterized in that, described rigidity adjuster is the heating element (4) that can heat described elastic ring (2) or the device that can inflate described closed cavity (21) or exit.
5. rotary shaft supporting device according to claim 1, is characterized in that, described rigidity adjuster is the heating element (4) that can heat described elastic ring (2).
6. the rotary shaft supporting device according to claim 4 or 5, it is characterized in that, described heating element (4) includes multiple heating pole (41), described housing (3) is provided with the cutting graftage part (31) with multiple jack, the multiple described heating pole (41) of described heating element (4) to be plugged in respectively in multiple described jack and to contact with described elastic ring (2).
7. according to the rotary shaft supporting device in claim 1-5 described in any one, it is characterized in that, the sensor that described rotary shaft supporting device also comprises controller and is connected with described controller, described sensor comprises for the speed probe of sensing rotation axle rotating speed and/or the temperature transducer for sensing ambient temperature residing for described running shaft, and described controller rigidity adjuster according to the SC sigmal control of described sensor carries out stiffness tuning to described elastic ring (2).
8. according to the rotary shaft supporting device in claim 1-5 described in any one, it is characterized in that, described housing (3) being provided with the installation hanger (322) for installing this rotary shaft supporting device.
9. a transmission system, is characterized in that, described transmission system be provided with transmission shaft and for support described transmission shaft claim 1-8 in rotary shaft supporting device described in any one.
10. a vehicle, is characterized in that, described vehicle set is had the right the transmission system described in requirement 9, and the rotary shaft supporting device in described transmission system is arranged on vehicle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520177324.2U CN204533233U (en) | 2015-03-27 | 2015-03-27 | Rotary shaft supporting device, transmission system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520177324.2U CN204533233U (en) | 2015-03-27 | 2015-03-27 | Rotary shaft supporting device, transmission system and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204533233U true CN204533233U (en) | 2015-08-05 |
Family
ID=53747242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520177324.2U Expired - Fee Related CN204533233U (en) | 2015-03-27 | 2015-03-27 | Rotary shaft supporting device, transmission system and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204533233U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110354593A (en) * | 2019-06-27 | 2019-10-22 | 三一重机有限公司 | A kind of automatically cleaning dust-extraction unit and vehicle |
-
2015
- 2015-03-27 CN CN201520177324.2U patent/CN204533233U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110354593A (en) * | 2019-06-27 | 2019-10-22 | 三一重机有限公司 | A kind of automatically cleaning dust-extraction unit and vehicle |
| CN110354593B (en) * | 2019-06-27 | 2024-06-21 | 三一重机有限公司 | Self-cleaning dust removal device and vehicle |
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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: 20150805 |