CN106812811A - Transmission shaft structure and power transmission shaft - Google Patents
Transmission shaft structure and power transmission shaft Download PDFInfo
- Publication number
- CN106812811A CN106812811A CN201510843898.3A CN201510843898A CN106812811A CN 106812811 A CN106812811 A CN 106812811A CN 201510843898 A CN201510843898 A CN 201510843898A CN 106812811 A CN106812811 A CN 106812811A
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- China
- Prior art keywords
- transmission shaft
- spline
- bearing
- spline housing
- shock
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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.)
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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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
- F16C35/063—Fixing them on the shaft
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- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/02—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions
- F16D3/06—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions specially adapted to allow axial displacement
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Motor Power Transmission Devices (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The present invention relates to vehicle drive shaft technical field, there is provided a kind of transmission shaft structure, the transmission shaft structure includes：Bearing, the outer ring of the bearing is provided with shock-absorbing supporting device, and the shock-absorbing supporting device can be fixedly supported on car body；Spline housing, the spline housing is assemblied in the inner ring of the bearing by spline structure；Splined shaft, the splined shaft is assemblied in the spline housing by keyway arrangements and being capable of axial stretching, with vibration noises such as the rotation imbalances that significantly reduces or solve the problems, such as power transmission shaft and cause because mass distribution is uneven, and with good energy-absorbing vibration isolating effect, lift the NVH performances of transmission system.
Description
Technical field
The present invention relates to vehicular transmission shaft technical field, more particularly to a kind of transmission shaft structure, and a kind of tool
There is the power transmission shaft of this transmission shaft structure.
Background technology
As people are to vehicle driving system and the requirement more and more higher of NVH performances, each parts of vehicle
Performance design is also improved in constantly lifting.It is known that power transmission shaft is must not in vehicle driveline
The parts that can lack.At present, it is longitudinal as the in good time 4 wheel driven of preposition forerunner or front-engine rear-drive car are more and more
Power transmission shaft is as one of parts essential in moment of torsion transmittance process.
In a kind of existing longitudinal transmission shaft structure, it is, in transmission of the central siphon length more than 1.5m
In axle design, power transmission shaft is provided with medial support structures.In this transmission shaft structure, it will usually according to
Structure (the front-engine rear-drive or preposition forerunner's 4 wheel driven) difference of vehicle is after front the latter of medial support structures
Side independent one flexible spline structure of setting, or, the front and rear of this transmission shaft structure is set with
Between supporting construction.For example, in the power transmission shaft of existing preposition forerunner's intelligence 4-wheel driven car, medial support structures
Extension shaft is designed between transfer gear, and between medial support structures and rear primary gearbox is central siphon
It is rigidly connected, meanwhile, medial support structures can be fixed on body platform or vehicle frame by bolt etc..
However, because flexible spline structure design is in the one side of medial support structures, so, can cause to pass
Moving axis quality is uneven, and intermediate shaft tube weight increases, centrifugal force and imbalance when increased rotation, due to
The vibration of generation cannot effectively be isolated so that power transmission shaft causes vibration abnormal sound in moment of torsion transmittance process.
In addition, in vehicle rough ride, there is relative motion in rear primary gearbox relative to medial support structures,
Due to stretching, spline structure is arranged on the opposite side of medial support structures, therefore, rear primary gearbox relative to
The relative displacement of medial support structures can only lean on the deflection of the gum cover of medial support structures to make up, this
Aspect easily causes axial vibration, reduces transmission system NVH performances, on the other hand reduces gum cover
Endurance quality or even cause gum cover initial failure.
For front-engine rear-drive vehicle, its flexible spline structure is arranged on the medial support structures of power transmission shaft
Between rear primary gearbox, its principle of work and power is similar to preposition forerunner's vehicle, will not be described in detail herein.
Additionally, in existing structure, due to power transmission shaft, each universal joint has layout angle in entire vehicle design,
And flexible spline structure design, in the leading portion or back segment of medial support structures, this will cause flexible spline knot
There is angle between the axis of structure and the axis of medial support structures, the meeting in torque transmission shaft transmittance process
Radial imbalance force is produced, vibration effect is produced to medial support structures, easily cause vehicle vibration, it is this
The main medial support structures by power transmission shaft of vibration pass to body platform.
The content of the invention
In view of this, the present invention is directed to propose a kind of transmission shaft structure, to significantly reduce or solve power transmission shaft
The vibration noise problems such as the rotation imbalance caused because mass distribution is uneven, and with good suction
Can vibration isolating effect, the NVH performances of lifting transmission system.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
A kind of transmission shaft structure, the transmission shaft structure includes：Bearing, the outer ring of the bearing is provided with
Shock-absorbing supporting device, the shock-absorbing supporting device can be fixedly supported on car body；Spline housing, the flower
Key set is assemblied in the inner ring of the bearing by spline structure；Splined shaft, the splined shaft passes through keyway
Standard is in the spline housing and being capable of axial stretching.
Relative to prior art, transmission shaft structure of the present invention has the advantage that：
Because a part for forming flexible spline structure is that spline housing is assemblied in bearing by spline structure
Inner ring in, and the outer ring of bearing is then provided with shock-absorbing supporting device, and shock-absorbing supporting device is in practical set
In can be fixedly supported on car body, meanwhile, another part for forming flexible spline structure is splined shaft
Then be assemblied in spline housing by keyway arrangements and can axial stretching, so, flexible spline of the invention
Structure setting is arranged on bearing and shock-absorbing supporting device in the medial support structures of power transmission shaft, this
Sample, can significantly reduce or solve rotation imbalance that power transmission shaft causes because mass distribution is uneven etc.
Vibration noise problem, at the same time it can also make full use of the vibration isolation of the shock-absorbing supporting device of medial support structures
Ability, by the flexible resistance of flexible spline structure or rotation out-of-balance force absorb, with good energy-absorbing every
Shake effect, considerably enhance the NVH performances of transmission system.
Further, the spline housing can be described interior relative to the bearing by the spline structure
Circle axial stretching.
Further or selectively, the spline housing passes through universal joint flange away from one end of the splined shaft
Fork is connected with cross axle；The splined shaft is prominent by another universal joint away from one end of the spline housing
Edge fork is connected with another cross axle.
Further or selectively, the shock-absorbing supporting device includes metal plate cover, and the metal plate cover is by certainly
The recess of body is assemblied on the outer ring of the bearing, and the metal plate cover both sides side and the flower
Spline anti-dust seal is provided between the outer peripheral face of key set.
Further, the side of the metal plate cover both sides is axially extending away from institute in the both sides of the bearing
State bearing so that the spline anti-dust seal can be arranged on the whole inner surface of the side, and
So that the oil sealing portion contacted with the spline housing outer peripheral face of the spline anti-dust seal and the bearing
Interval is kept between side.
Further or selectively, set between the outer peripheral face of the shock-absorbing supporting device and the spline housing
Have a spline anti-dust seal, the spline anti-dust seal be fixedly connected on the shock-absorbing supporting device and with institute
State the outer peripheral face interference fit of spline housing.
Further or selectively, the shock-absorbing supporting device includes dust-proof damping gum cover, damping block and branch
Frame, wherein, the dust-proof damping gum cover is assemblied in the outer ring of the bearing by the concave part of itself
On, the damping block is arranged in the inner chamber of the dust-proof damping gum cover, and the support is arranged on described anti-
Can be fixedly supported on the car body on the outer surface of dirt damping gum cover.
Further, the dust-proof damping gum cover, the damping block and the support vulcanize to form one
Structure.
Further or selectively, set between the outer peripheral face of the running-on of the spline housing and the splined shaft
Have a keyway anti-dust seal, the keyway anti-dust seal be fixedly connected on the outer peripheral face of the spline housing and with
The outer peripheral face interference fit of the splined shaft.
In addition, the present invention also provides a kind of power transmission shaft, the power transmission shaft is provided with above-described power transmission shaft
Structure.
Because power transmission shaft of the invention includes above-described transmission shaft structure, as described above, the transmission
Axle and will be significantly improved using the NVH performances of the vehicle of the power transmission shaft.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
The accompanying drawing for constituting a part of the invention is used for providing a further understanding of the present invention, of the invention
Schematic description and description does not constitute inappropriate limitation of the present invention for explaining the present invention.
In accompanying drawing：
Fig. 1 is the cross section structure diagram of transmission shaft structure provided in an embodiment of the present invention；
Fig. 2 is the close-up schematic view in Fig. 1.
Description of reference numerals：
1- transmission shaft structures, 2- bearings, 3- outer rings, 4- shock-absorbing supporting devices, 5- spline housings, 6- inner rings,
7- splined shafts, 8- universal joint flanges fork, 9- metal plate covers, 10- spline anti-dust seals, 11- sides, 12- oil
Envelope portion, the dust-proof damping gum covers of 13-, 14- damping blocks, 15- supports, 16- intervals, 17- keyway anti-dust seals,
18- cross axles, 19- bead flanges.
Specific embodiment
It should be noted that in the case where not conflicting, the embodiment in the present invention and the spy in embodiment
Levying to be mutually combined.
Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Figures 1 and 2 show that transmission shaft structure provided in an embodiment of the present invention 1.As illustrated in fig. 1 and 2,
Transmission shaft structure of the invention 1 includes bearing 2, spline housing 5, splined shaft 7 and shock-absorbing supporting device 4,
Wherein, bearing 2 and shock-absorbing supporting device 4 form the medial support structures of power transmission shaft, and bearing 2
Outer ring 3 is provided with shock-absorbing supporting device 4, and shock-absorbing supporting device 4 can be fixedly supported on car body, example
On vehicle body or vehicle frame, spline housing 5 is assemblied in the inner ring 6 of bearing 2 by spline structure, for example,
It is designed with involute spline or rectangular spline on the outer peripheral face of spline housing 5, and the inner ring 6 of bearing 2
Matched internal spline is then designed with inner surface；Meanwhile, splined shaft 7 is assemblied in by keyway arrangements
In spline housing 5 and can axial stretching, for example, being designed with internal spline on the inner peripheral surface of spline housing 5 such as
Rectangular spline or involute spline, and the outer flower for being engaged with cooperation is designed with the outer peripheral face of splined shaft 7
Key, to realize axial stretching.Certainly, above-mentioned interior external splines can mutually exchange design.
So, by the technical scheme, because a part for forming flexible spline structure is spline housing 5
It is assemblied in the inner ring 6 of bearing 2 by above-mentioned spline structure, and the outer ring 3 of bearing 2 is then provided with
Shock-absorbing supporting device 4, shock-absorbing supporting device 4 can be fixedly supported on car body in practical set, together
When, another part for forming flexible spline structure is that splined shaft 7 is then assembled by above-mentioned keyway arrangements
In the spline housing 5 and can axial stretching, so, flexible spline structure of the invention is arranged on power transmission shaft
Medial support structures in, that is, be arranged on bearing 2 and shock-absorbing supporting device 4, so, can be notable
The vibration noises such as the rotation imbalance that power transmission shaft causes because mass distribution is uneven are reduced or solve to ask
Topic, at the same time it can also make full use of the vibration isolation capability of the shock-absorbing supporting device 4 of medial support structures, will
The flexible resistance or rotation out-of-balance force of flexible spline structure absorb, with good energy-absorbing vibration isolating effect,
Considerably enhance the NVH performances of transmission system.
As the aforementioned, in the prior art, during vehicle rough ride, rear primary gearbox is relative to intermediate supports
There is relative motion in structure, the opposite side of medial support structures is arranged on due to the spline structure that stretches, therefore,
Rear primary gearbox can only lean on the gum cover of medial support structures relative to the relative displacement of medial support structures
Deflection makes up, and this aspect easily causes axial vibration, reduce transmission system NVH performances, separately
On the one hand reduce the endurance quality of gum cover or even cause gum cover initial failure.Therefore, the skill is thoroughly solved
Art problem, in transmission shaft structure of the invention, as illustrated in fig. 1 and 2, spline housing 5 is by above-mentioned
Spline structure can be relative to the axial stretching of inner ring 6 of bearing 2, for example, the inner ring of above-mentioned bearing 2
Axial direction can be realized between involute spline on the internal spline and spline housing 5 or rectangular spline on 6
It is mobile, i.e. in the further preferred transmission shaft structure of the present invention, to be provided with two-way flexible spline knot
Structure, flexible spline structure now includes the spline structure between spline housing 5 and inner ring 6, also including flower
Keyway arrangements before key axle 7 and spline housing 5, it is so, such flexible in vehicle motion process
Spline structure can either meet the stroke demand of medial support structures leading portion, can also meet intermediate supports
The stroke demand of structure back segment, and stroke length then can carry out actual set according to vehicle demand.Together
When, the two-way flexible spline structure is arranged in the medial support structures of power transmission shaft, energy-absorbing vibration isolating effect
It is good, transmission system NVH performances are lifted, further reduces weight and cost of power transmission shaft etc..
In addition, on the basis of more than, further, or selectively, as illustrated in fig. 1 and 2,
In transmission shaft structure of the invention 1, spline housing 5 is pitched away from one end of splined shaft 7 by universal joint flange
8 are connected with cross axle 18, meanwhile, splined shaft 7 is prominent by another universal joint away from one end of spline housing 5
Edge fork 8 is connected with another cross axle 18, and cross axle 18 can be connected with bead flange 19, such as Fig. 1
It is shown.So, because the both sides of the spline structure that stretches are provided with above-mentioned universal joint flange fork 8 and ten
Structure as word axle 18, such that it is able to after the completion of power transmission shaft layout design, by flexible spline knot
Structure is arranged on the cooperation in medial support structures, it is ensured that the axis and intermediate supports of flexible spline structure
The axis collinear of structure, when efficiently avoid flexible spline structure one side setting in the prior art, due to
Each section of arrangement of such as cross axle of power transmission shaft and the axis of flexible spline structure and intermediate supports knot that cause
There is angle between the axis of structure, ultimately result in power transmission shaft and there is a problem of vibration, i.e. imbalance problem.
Certainly, on the basis of above-mentioned, in a kind of preferred structure of transmission shaft structure of the invention 1, such as
Shown in Fig. 2, shock-absorbing supporting device 4 includes metal plate cover 9, and metal plate cover 9 is assemblied in by the recess of itself
On the outer ring 3 of bearing 2, i.e., the shape of cross section of metal plate cover 9 is in the U-shape structure with side 11,
The U-shape structure can be interference fitted on the outer ring 3 of bearing 2, and the both sides of metal plate cover 9 side 11
Spline anti-dust seal 10 is provided with and the outer peripheral face of spline housing 5 between, the spline anti-dust seal 10 can be with
Vulcanize on the side 11 of metal plate cover 9, so as to prevent introduced contaminants dust etc. from entering into above-mentioned spline
In structure.
Further, as shown in Fig. 2 the side 11 of the both sides of metal plate cover 9 bearing 2 two side axles
To extending outwardly away from bearing 2 so that spline anti-dust seal 10 can set and for example vulcanize in the whole of side 11
On individual inner surface, so as to improve the reliability and stability of spline anti-dust seal 10, and flower is caused
Protected between the oil sealing portion 12 contacted with the outer peripheral face of spline housing 5 of key anti-dust seal 10 and the side of bearing 2
Interval 16 is held, by the interval 16, it can be ensured that when spline housing 5 is relative to 6 axial stretching of inner ring,
Oil sealing portion 12 can't have a negative impact to bearing 2.
In addition, on the basis of more than, shock-absorbing supporting device 4 can include metal plate cover 9, now,
When spline anti-dust seal 10 is provided between the outer peripheral face of shock-absorbing supporting device 4 and spline housing 5, spline is prevented
When dirt oil sealing 10 is fixedly connected on the outer peripheral face interference fit on shock-absorbing supporting device 4 and with spline housing 5,
As described above, spline anti-dust seal 10 is provided between metal plate cover 9 and spline housing 5.
Certainly, shock-absorbing supporting device of the invention 4 is in the case of metal plate cover 9 is not provided with, damping branch
Spline anti-dust seal 10 can also be provided between the outer peripheral face of support arrangement 4 and spline housing 5, now, flower
Key anti-dust seal 10 is fixedly connected on shock-absorbing supporting device 4 and matches somebody with somebody with the outer peripheral face interference of spline housing 5
Close.
Further, or selectively, as illustrated in fig. 1 and 2, the one of shock-absorbing supporting device 4
Plant in specific constructive form, shock-absorbing supporting device 4 includes dust-proof damping gum cover 13, damping block 14 and branch
Frame 15, wherein, dust-proof damping gum cover 13 is assemblied on the outer ring 3 of bearing 2 by the concave part of itself,
For example, as described above, in the case of with metal plate cover 9, metal plate cover 9 first can be with interference fit
On outer ring 3, subsequent dust-proof damping gum cover 13 is interference fitted on metal plate cover 9, or, do not having
In the case of having metal plate cover 9, dust-proof damping gum cover 13 can be fit directly into by the concave part of itself
On the outer ring 3 of bearing 2, and damping block 14 is arranged in the inner chamber of dust-proof damping gum cover 13, support 15
It is arranged on the outer surface of dust-proof damping gum cover 13 that can be fixedly supported on car body, so, passes through
The energy-obsorbing and damping of dust-proof damping gum cover 13 and damping block 14, can be by the flexible resistance of flexible spline structure
Or rotation out-of-balance force significantly absorbs, there is provided the NVH performances in moment of torsion transmittance process.
Further, for the ease of being molded and the reliability of damping is improved, it is preferable that dust-proof damping rubber
Set 13, damping block 14 and the vulcanization of support 15 form integrative-structure, and certainly, this three can also be with other
The connectors such as mode such as screw and be assembled together.
Certainly, the spline structure between spline housing 5 and inner ring 6 is provided with spline anti-dust seal 10
Meanwhile, as shown in figure 1, keyway is provided between the outer peripheral face of the running-on of spline housing 5 and splined shaft 7 preventing
Dirt oil sealing 17, keyway anti-dust seal 17 be fixedly connected on the outer peripheral face of spline housing 5 and with splined shaft 7
Outer peripheral face interference fit, to prevent introduced contaminants or dust from entering.
In addition, the present invention also provides a kind of power transmission shaft, wherein, the power transmission shaft is provided with above-described
Transmission shaft structure 1.
As described above, by transmission shaft structure of the invention 1, power transmission shaft of the invention and use the biography
The NVH performances of the vehicle of moving axis will be significantly improved.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all at this
Within the spirit and principle of invention, any modification, equivalent substitution and improvements made etc. should be included in
Within protection scope of the present invention.
Claims (10)
1. a kind of transmission shaft structure, it is characterised in that the transmission shaft structure (1) includes：
Bearing (2), the outer ring (3) of the bearing (2) is provided with shock-absorbing supporting device (4), described
Shock-absorbing supporting device (4) can be fixedly supported on car body；
Spline housing (5), the spline housing (5) is assemblied in the interior of the bearing (2) by spline structure
In circle (6)；
Splined shaft (7), the splined shaft (7) is assemblied in the spline housing (5) by keyway arrangements
And being capable of axial stretching.
2. transmission shaft structure according to claim 1, it is characterised in that the spline housing (5)
Can be relative to the inner ring (6) axial stretching of the bearing (2) by the spline structure.
3. transmission shaft structure according to claim 1, it is characterised in that the spline housing (5)
One end away from the splined shaft (7) is connected with cross axle (18) by universal joint flange fork (8)；
The splined shaft (7) passes through another universal joint flange away from one end of the spline housing (5)
Fork (8) is connected with another cross axle (18).
4. transmission shaft structure according to claim 1, it is characterised in that the shock-absorbing supporting device
(4) including metal plate cover (9), the metal plate cover (9) is assemblied in the bearing (2) by the recess of itself
The outer ring (3) on, and the metal plate cover (9) both sides side (11) and the spline housing (5)
Outer peripheral face between be provided with spline anti-dust seal (10).
5. transmission shaft structure according to claim 4, it is characterised in that the metal plate cover (9)
The side (11) of both sides is axially extending away from the bearing (2) in the both sides of the bearing (2), makes
Obtaining the spline anti-dust seal (10) can be arranged on the whole inner surface of the side (11), and
And cause the oil sealing portion contacted with the spline housing (5) outer peripheral face of the spline anti-dust seal (10)
(12) interval (16) is kept and the side of the bearing (2) between.
6. the transmission shaft structure according to any one in claim 1-5, it is characterised in that described
Spline anti-dust seal (10) is provided between the outer peripheral face of shock-absorbing supporting device (4) and the spline housing (5),
The spline anti-dust seal (10) be fixedly connected on the shock-absorbing supporting device (4) and with the flower
The outer peripheral face interference fit of key set (5).
7. the transmission shaft structure according to any one in claim 1-5, it is characterised in that described
Shock-absorbing supporting device (4) includes dust-proof damping gum cover (13), damping block (14) and support (15),
Wherein, the dust-proof damping gum cover (13) is assemblied in the bearing (2) by the concave part of itself
On the outer ring (3), the damping block (14) is arranged on the interior of the dust-proof damping gum cover (13)
In chamber, the support (15) is arranged on the outer surface of the dust-proof damping gum cover (13) that can consolidate
Surely it is supported on the car body.
8. transmission shaft structure according to claim 7, it is characterised in that the dust-proof damping gum cover
(13), the damping block (14) and the support (15) vulcanization forms integrative-structure.
9. transmission shaft structure according to claim 1, it is characterised in that the spline housing (5)
Running-on and the outer peripheral face of the splined shaft (7) between be provided with keyway anti-dust seal (17), the key
Groove anti-dust seal (17) be fixedly connected on the outer peripheral face of the spline housing (5) and with the splined shaft
(7) outer peripheral face interference fit.
10. a kind of power transmission shaft, it is characterised in that the power transmission shaft is provided with according in claim 1-9
Transmission shaft structure (1) described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510843898.3A CN106812811B (en) | 2015-11-27 | 2015-11-27 | transmission shaft structure and transmission shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510843898.3A CN106812811B (en) | 2015-11-27 | 2015-11-27 | transmission shaft structure and transmission shaft |
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| Publication Number | Publication Date |
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| CN106812811A true CN106812811A (en) | 2017-06-09 |
| CN106812811B CN106812811B (en) | 2019-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510843898.3A Active CN106812811B (en) | 2015-11-27 | 2015-11-27 | transmission shaft structure and transmission shaft |
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Cited By (6)
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| CN107387454A (en) * | 2017-07-19 | 2017-11-24 | 合肥新沪屏蔽泵有限公司 | Two-way spline thrust bearing |
| CN107461421A (en) * | 2017-07-13 | 2017-12-12 | 合肥创智汽车技术开发有限公司 | A kind of Universal joint power transmission shaft intermediate supports |
| CN110107601A (en) * | 2019-05-16 | 2019-08-09 | 万向钱潮传动轴有限公司 | A kind of light-duty intermediate connecting fork of integrated bearing inner race |
| CN110107603A (en) * | 2019-05-16 | 2019-08-09 | 万向钱潮传动轴有限公司 | A kind of heavy intermediate bead of integrated bearing inner race |
| CN111677749A (en) * | 2020-06-30 | 2020-09-18 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Spline positioning double-row angular contact ball bearing |
| CN112727904A (en) * | 2021-01-08 | 2021-04-30 | 万向钱潮传动轴有限公司 | Transmission shaft intermediate structure |
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|---|---|---|---|---|
| CN107461421A (en) * | 2017-07-13 | 2017-12-12 | 合肥创智汽车技术开发有限公司 | A kind of Universal joint power transmission shaft intermediate supports |
| CN107387454A (en) * | 2017-07-19 | 2017-11-24 | 合肥新沪屏蔽泵有限公司 | Two-way spline thrust bearing |
| CN110107601A (en) * | 2019-05-16 | 2019-08-09 | 万向钱潮传动轴有限公司 | A kind of light-duty intermediate connecting fork of integrated bearing inner race |
| CN110107603A (en) * | 2019-05-16 | 2019-08-09 | 万向钱潮传动轴有限公司 | A kind of heavy intermediate bead of integrated bearing inner race |
| CN111677749A (en) * | 2020-06-30 | 2020-09-18 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Spline positioning double-row angular contact ball bearing |
| CN112727904A (en) * | 2021-01-08 | 2021-04-30 | 万向钱潮传动轴有限公司 | Transmission shaft intermediate structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106812811B (en) | 2019-01-04 |
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