CN214661451U - High-speed transmission shaft assembly - Google Patents
High-speed transmission shaft assembly Download PDFInfo
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- CN214661451U CN214661451U CN202121230938.4U CN202121230938U CN214661451U CN 214661451 U CN214661451 U CN 214661451U CN 202121230938 U CN202121230938 U CN 202121230938U CN 214661451 U CN214661451 U CN 214661451U
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- transmission
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Abstract
The utility model relates to a high-speed transmission shaft assembly, it is big to solve the high-speed transmission shaft power transmission span of car, and the transmission in-process axis body can produce the problem of shake. This device is including first flange fork and the second flange fork of establishing both ends separately, set gradually first transmission shaft between first flange fork and the second flange fork, the secondary drive axle, the transmission shaft slides, the third transmission shaft, first transmission shaft, the secondary drive axle, the tip of third transmission shaft sets up universal joint swing joint, set up first transfer section between first transmission shaft and the secondary drive axle, set up second transfer section between secondary drive axle and the transmission shaft that slides, first transfer section, the bearing is established to second transfer section outside cover, the bearing sets up the support outward, the support inboard is equipped with the elastic support piece. The utility model discloses decompose the large-span transmission into the transmission switching of four little distances, the long distance that is fit for automobile power stabilizes the transmission, reduces the transmission loss, ensures that transmission stable in structure is reliable.
Description
Technical Field
The utility model belongs to the technical field of the transmission, a vehicle transmission shaft, in particular to high-speed transmission shaft assembly is related to.
Background
The transmission process that the power of the automobile is distributed and transmitted to wheels from an engine to a gearbox and from the gearbox to a front axle and a rear axle of the automobile is realized by a transmission shaft. The working condition of the automobile is complex, the working condition of power transmission is varied, and the requirement of working condition change cannot be met by adopting rigid shaft transmission, so that the large-span transmission shaft of the automobile can be provided with universal joints and other structures at two ends and the middle section to realize small-amplitude deflection and swing of the transmission shaft and realize flexible transmission of the transmission shaft. To the flexible transmission of the large-span of automobile chassis, power transmission distance is long, if adopt single transmission shaft of big length, can have serious shake among the transmission process, can cause the transmission shaft to warp even after long-time operation, cracked serious incident, consequently, to the high-speed transmission shaft of large-span transmission power, need adopt the sectional type flexible connection system that can adapt to the swing of small amplitude to transmit power in proper order, in order to eliminate the axis body shake, can not only effectively reduce the transmission loss, but also reduce long distance transmission's potential safety hazard risk, promote transmission efficiency, ensure safety.
Disclosure of Invention
The utility model aims to solve that the high-speed transmission shaft power transmission span of car is big, and the axis body may produce the problem of shake in the transmission process, provides a high-speed transmission shaft assembly to segmentation driven assembly structure makes the axis body can adapt to the shake in the transmission process, and can adapt to the small amplitude change of transmission angle, transmission interval in the transmission process.
The utility model provides a technical scheme that its technical problem adopted is: a high-speed drive shaft assembly which characterized in that: the first flange fork, the second transmission shaft, the sliding transmission shaft and the third transmission shaft are sequentially arranged between the first flange fork and the second flange fork, a first transfer section is arranged between the first transmission shaft and the second transmission shaft, a second transfer section is arranged between the second transmission shaft and the sliding transmission shaft, the first flange fork is connected with the first transmission shaft through a first universal joint, the first transfer section is connected with the second transmission shaft through a second universal joint, the sliding transmission shaft is connected with the third transmission shaft through a third universal joint, and the third transmission shaft is connected with the second flange fork through a fourth universal joint; a bearing is sleeved on the outer side of the first middle rotating section, a first support is arranged outside the bearing, and an elastic supporting block for annularly supporting the bearing is arranged on the inner side of the first support; the bearing is established to the section outside cover in the second transfer, sets up the second support outside the bearing, and second support inboard is equipped with the elastic support piece that is used for the hoop to support the bearing. This device passes through the segmentation axis body of four-section type, realize the segmentation power transmission of high-speed drive shaft, and provide flexible location through first support and second support and support, it is spacing to realize the centre of transmission shaft, the real-time change of the setting adaptation transmission distance through the transmission shaft that slides, be connected respectively through four universal joints and transmission shaft and realize the transmission angle small amplitude swing between the individual section axis body, the transmission shaft assembly of this scheme adapts to the different transmission angles of the different operating modes of transmission shaft with the form of segmentation, the transmission change of different transmission distances, decompose the large-span transmission into the transmission switching of four small distances, the long distance stable transmission of suitable automobile power, reduce transmission loss, ensure that transmission structure is reliable and stable.
Preferably, the first transfer section comprises a first spline shaft welded to the end of the first transmission shaft and a first sliding fork connected with the second universal joint, a bearing is arranged on the outer side of the middle section of the first spline shaft, the first sliding fork is provided with a middle hole, the end of the first spline shaft penetrates through the middle hole of the first sliding fork and is locked by a bolt, and the first spline shaft is in spline fit with the insertion section of the first sliding fork.
Preferably, the second transfer section comprises a second spline shaft welded to the end of the second transmission shaft, a bearing is arranged on the outer wall of the middle section of the second spline shaft, the other end of the second spline shaft is used as an inner shaft body of the sliding transmission shaft, the sliding transmission shaft further comprises a second sliding fork used as an outer shaft body, the second sliding fork is provided with a middle hole which penetrates in the circumferential direction, the second spline shaft can be slidably inserted into the middle hole of the second sliding fork, and splines which are meshed with and can slide with each other are correspondingly arranged on the outer wall of the second spline shaft insertion section and the inner wall of the middle hole of the second sliding fork.
Preferably, the inserting end of the second sliding fork and the second spline shaft is provided with an oil seal, one end of the oil seal is fixed on the outer wall of the second sliding fork through a hoop, the other end of the oil seal is sleeved on the outer wall of the second spline shaft in a sliding mode, and the matching section of the outer wall of the second spline shaft and the oil seal is a polished rod.
Preferably, the inner layer of the oil seal is an elastic rubber layer, the outer layer of the oil seal is a metal protective layer, and one side of the oil seal is also provided with an oil cup.
Preferably, one end of the middle hole of the second sliding fork, which is far away from the second spline shaft, is provided with an arc-shaped convex sealing cover, and the center of the sealing cover is provided with a breathing hole.
Preferably, the first transmission shaft, the second transmission shaft and the third transmission shaft are hollow cylindrical steel shaft tubes.
Preferably, the first universal joint, the second universal joint, the third universal joint and the fourth universal joint are all cross universal joints.
Preferably, the first universal joint is connected with the first transmission shaft through a first welding fork, the second universal joint is connected with the second transmission shaft through a second welding fork, the third universal joint is connected with one end of the third transmission shaft through a third welding fork, and the fourth universal joint is connected with the other end of the third transmission shaft through a fourth welding fork.
The utility model discloses the transmission shaft assembly changes with the transmission of the different transmission angle of the different operating modes of sectional form adaptation transmission shaft, different transmission distance, decomposes the transmission of large-span into four little distances, and the long distance stable transmission that is fit for automobile power reduces transmission loss, ensures that transmission structure is reliable and stable.
Drawings
The present invention will be further explained with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of a first transfer section of the present invention.
Fig. 3 is a schematic structural diagram of a second transition section of the present invention.
In the figure: 1. the first flange yoke, 2, the first universal joint, 3, the first welding yoke, 4, the first transmission shaft, 5, the first spline shaft, 6, the first support, 7, the first sliding yoke, 8, the second universal joint, 9, the second welding yoke, 10, the second transmission shaft, 11, the second spline shaft, 12, the second support, 13, the oil seal, 14, the second sliding yoke, 15, the third universal joint, 16, the third welding yoke, 17, the third transmission shaft, 18, the fourth welding yoke, 19, the fourth universal joint, 20, the second flange yoke, 21, the bearing, 22, the elastic supporting block.
Detailed Description
The present invention will be further described with reference to the following specific embodiments and accompanying drawings.
Example (b): a high speed propeller shaft assembly, as shown in figure 1. The device comprises a first flange fork 1 and a second flange fork 20 which are respectively arranged at two ends, wherein a first transmission shaft 4, a second transmission shaft 10, a sliding transmission shaft and a third transmission shaft 17 are sequentially arranged between the first flange fork 1 and the second flange fork 20. The first transmission shaft, the second transmission shaft and the third transmission shaft are hollow cylindrical steel shaft tubes.
A first transfer section is arranged between the first transmission shaft 1 and the second transmission shaft 4, and a second transfer section is arranged between the second transmission shaft 4 and the sliding transmission shaft. The first flange fork is connected with the first transmission shaft through a first universal joint 2, the first transfer section is connected with the second transmission shaft 10 through a second universal joint 8, the sliding transmission shaft is connected with a third transmission shaft 17 through a third universal joint 15, and the third transmission shaft 17 is connected with a second flange fork 20 through a fourth universal joint 19. The first universal joint 2 is connected with the first transmission shaft 4 through a first welding fork 3, the second universal joint 8 is connected with the second transmission shaft 10 through a second welding fork 9, the third universal joint 15 is connected with one end of a third transmission shaft 17 through a third welding fork 16, and the fourth universal joint 19 is connected with the other end of the third transmission shaft 17 through a fourth welding fork 18.
As shown in fig. 2, the first middle turning section includes a first spline shaft 5 welded to the end of the first transmission shaft 4 and a first sliding fork 7 connected to the second universal joint 8, a bearing 21 is disposed outside the middle section of the first spline shaft, a first bracket 6 is disposed outside the bearing 21, and an elastic support block 22 for annularly supporting the bearing is disposed inside the first bracket. The first sliding fork 7 is provided with a middle hole, the end part of the first spline shaft penetrates through the middle hole of the first sliding fork and is locked by a bolt, and the first spline shaft is in spline fit with the insertion section of the first sliding fork.
As shown in fig. 3, the second middle turning section includes a second spline shaft 11 welded to the end of the second transmission shaft 10, a bearing 21 is disposed on the outer wall of the middle section of the second spline shaft, a second bracket 12 is disposed outside the bearing 21, and an elastic support block 22 for annularly supporting the bearing is disposed inside the second bracket. The other end of the second spline shaft is used as an inner shaft body of the sliding transmission shaft, the sliding transmission shaft further comprises a second sliding fork 14 used as an outer shaft body, the second sliding fork 14 is provided with a middle hole which penetrates through in the circumferential direction, the second spline shaft 11 can be inserted into the middle hole of the second sliding fork 14 in a sliding mode, and splines which are meshed and can slide mutually are correspondingly arranged on the outer wall of the second spline shaft insertion section and the inner wall of the middle hole of the second sliding fork. The inserting end of the second sliding fork 14 and the second spline shaft 11 is provided with an oil seal 13, one end of the oil seal is fixed on the outer wall of the second sliding fork by a hoop, the other end of the oil seal is sleeved on the outer wall of the second spline shaft in a sliding way, and the outer wall of the second spline shaft and the matching section of the oil seal are polished rods. The inner layer of the oil seal is an elastic rubber layer, the outer layer of the oil seal is a metal protective layer, and one side of the oil seal is also provided with an oil cup. One end of the middle hole of the second sliding fork, which is far away from the second spline shaft, is provided with an arc-shaped convex sealing cover, and the center of the sealing cover is provided with a breathing hole.
This device realizes high-speed transmission's segmentation power transmission through the segmentation axis body of four-section type to provide flexible location through first support and second support and support, realize the centre of transmission shaft spacing, through the setting up of the transmission shaft that slides and adapt to the real-time change of transmission distance, be connected respectively through four universal joints and transmission shaft and realize the transmission angle minor oscillation between the individual section axis body.
Claims (9)
1. A high-speed drive shaft assembly which characterized in that: the first flange fork, the second transmission shaft, the sliding transmission shaft and the third transmission shaft are sequentially arranged between the first flange fork and the second flange fork, a first transfer section is arranged between the first transmission shaft and the second transmission shaft, a second transfer section is arranged between the second transmission shaft and the sliding transmission shaft, the first flange fork is connected with the first transmission shaft through a first universal joint, the first transfer section is connected with the second transmission shaft through a second universal joint, the sliding transmission shaft is connected with the third transmission shaft through a third universal joint, and the third transmission shaft is connected with the second flange fork through a fourth universal joint; a bearing is sleeved on the outer side of the first middle rotating section, a first support is arranged outside the bearing, and an elastic supporting block for annularly supporting the bearing is arranged on the inner side of the first support; the bearing is established to the section outside cover in the second transfer, sets up the second support outside the bearing, and second support inboard is equipped with the elastic support piece that is used for the hoop to support the bearing.
2. A high speed drive shaft assembly as claimed in claim 1, wherein: the first transfer section comprises a first spline shaft welded with the end part of the first transmission shaft and a first sliding fork connected with the second universal joint, a bearing is arranged on the outer side of the middle section of the first spline shaft, the first sliding fork is provided with a middle hole, the end part of the first spline shaft penetrates through the middle hole of the first sliding fork and is locked by a bolt, and the first spline shaft is in spline fit with the insertion section of the first sliding fork.
3. A high speed drive shaft assembly according to claim 1 or claim 2, wherein: the second transfer section comprises a second spline shaft welded with the end part of the second transmission shaft, a bearing is arranged on the outer wall of the middle section of the second spline shaft, the other end of the second spline shaft is used as an inner shaft body of the sliding transmission shaft, the sliding transmission shaft further comprises a second sliding fork used as an outer shaft body, the second sliding fork is provided with a middle hole which is penetrated in the circumferential direction, the second spline shaft can be slidably inserted into the middle hole of the second sliding fork, and the outer wall of the second spline shaft insertion section and the inner wall of the middle hole of the second sliding fork are correspondingly provided with splines which are meshed and can slide mutually.
4. A high speed drive shaft assembly according to claim 3, wherein: the inserting end of the second sliding fork and the second spline shaft is provided with an oil seal, one end of the oil seal is hooped and fixed on the outer wall of the second sliding fork, the other end of the oil seal is sleeved on the outer wall of the second spline shaft in a sliding mode, and the matching section of the outer wall of the second spline shaft and the oil seal is a polished rod.
5. The high-speed drive shaft assembly of claim 4, wherein: the inner layer of the oil seal is an elastic rubber layer, the outer layer of the oil seal is a metal protective layer, and one side of the oil seal is also provided with an oil cup.
6. The high-speed drive shaft assembly of claim 4, wherein: and one end of the middle hole of the second sliding fork, which is far away from the second spline shaft, is provided with an arc-shaped convex sealing cover, and the center of the sealing cover is provided with a breathing hole.
7. A high speed drive shaft assembly according to claim 1 or claim 2, wherein: the first transmission shaft, the second transmission shaft and the third transmission shaft are hollow cylindrical steel shaft tubes.
8. A high speed drive shaft assembly according to claim 1 or claim 2, wherein: the first universal joint, the second universal joint, the third universal joint and the fourth universal joint are all cross universal joints.
9. A high speed drive shaft assembly according to claim 1 or claim 2, wherein: the first universal joint is connected with the first transmission shaft through a first welding fork, the second universal joint is connected with the second transmission shaft through a second welding fork, the third universal joint is connected with one end of the third transmission shaft through a third welding fork, and the fourth universal joint is connected with the other end of the third transmission shaft through a fourth welding fork.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121230938.4U CN214661451U (en) | 2021-06-03 | 2021-06-03 | High-speed transmission shaft assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121230938.4U CN214661451U (en) | 2021-06-03 | 2021-06-03 | High-speed transmission shaft assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214661451U true CN214661451U (en) | 2021-11-09 |
Family
ID=78486028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121230938.4U Active CN214661451U (en) | 2021-06-03 | 2021-06-03 | High-speed transmission shaft assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214661451U (en) |
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2021
- 2021-06-03 CN CN202121230938.4U patent/CN214661451U/en active Active
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