CN219954009U - Aluminum alloy high-speed transmission shaft - Google Patents
Aluminum alloy high-speed transmission shaft Download PDFInfo
- Publication number
- CN219954009U CN219954009U CN202321327280.8U CN202321327280U CN219954009U CN 219954009 U CN219954009 U CN 219954009U CN 202321327280 U CN202321327280 U CN 202321327280U CN 219954009 U CN219954009 U CN 219954009U
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- CN
- China
- Prior art keywords
- shaft
- tube
- sliding
- sliding fork
- fork
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 65
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 19
- 229910000755 6061-T6 aluminium alloy Inorganic materials 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000009347 mechanical transmission Effects 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 2
- 229910001095 light aluminium alloy Inorganic materials 0.000 description 1
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model relates to an aluminum alloy high-speed transmission shaft which is suitable for high-speed transmission and high-stability mechanical transmission. The device comprises a shaft body, wherein sliding forks are arranged at two ends of the shaft body, the shaft body is an aluminum alloy shaft tube, the shaft tube is a hollow tube, two ends of the shaft tube are respectively connected with a first sliding fork and a second sliding fork through cross universal joints, a first spline hole is formed in the outer end face of the first sliding fork, and a second spline hole is formed in the outer end face of the second sliding fork; the end of the shaft tube is provided with two shaft fork arms at intervals of 180 degrees, the inner ends of the first sliding fork and the second sliding fork are respectively provided with two sliding fork arms at intervals of 180 degrees, the cross universal joint is provided with four connecting arms at intervals of 90 degrees, and the two shaft fork arms and the two sliding fork arms are respectively connected with the four connecting arms. According to the utility model, the high-rotation speed performance is improved by adopting the light shaft body, the spline sliding is realized by adopting the sliding forks at the two ends of the transmission shaft, the transmission stroke is increased, the application range is wide, and the stability of the transmission shaft body is less affected.
Description
Technical Field
The utility model belongs to the technical field of transmission, and relates to a transmission shaft, in particular to an aluminum alloy high-speed transmission shaft.
Background
In various mechanical transmissions, the drive shaft is a critical component of power transmission. The transmission shaft transmits power through the rotation of the transmission shaft, and in the mechanical transmission of high-speed rotation, the mass and mass center of the transmission shaft are distributed, so that the transmission efficiency and the transmission stability are both greatly affected. In addition, the input angle and the output angle of the power at two ends of the transmission shaft and the transmission distance between the input end and the output end are all changed, and how to adapt to the change of the transmission angle and the transmission distance and simultaneously maintain the stability of high-speed transmission is a design difficulty of the high-speed transmission shaft.
Disclosure of Invention
The utility model aims at solving the design difficulty of the transmission shaft on the stability of high-speed transmission, and provides an aluminum alloy high-speed transmission shaft, which adopts the design of a light aluminum alloy shaft tube to improve the high-speed performance of the transmission shaft, realizes spline sliding through sliding forks at two ends of the transmission shaft, realizes large-stroke transmission and has wide application range.
The technical scheme adopted for solving the technical problems is as follows: the aluminum alloy high-speed transmission shaft comprises a shaft body, sliding forks are arranged at two ends of the shaft body, the shaft body is an aluminum alloy shaft tube, the shaft tube is a hollow tube, two ends of the shaft tube are respectively connected with a first sliding fork and a second sliding fork through cross universal joints, a first spline hole is formed in the outer end face of the first sliding fork, and a second spline hole is formed in the outer end face of the second sliding fork; the end of the shaft tube is provided with two shaft fork arms at intervals of 180 degrees, the inner ends of the first sliding fork and the second sliding fork are respectively provided with two sliding fork arms at intervals of 180 degrees, the cross universal joint is provided with four connecting arms at intervals of 90 degrees, and the two shaft fork arms and the two sliding fork arms are respectively connected with the four connecting arms.
The device adopts the hollow cylindrical aluminum alloy shaft tube as the main body of the transmission shaft, so that the transmission shaft is light, the high-speed transmission performance is improved, the sliding forks at two ends are provided with spline holes, and the sliding fork can be in spline sliding fit with the front and rear transmission parts, so that the large-stroke transmission is realized. The transmission shaft is connected with the sliding fork by a cross universal joint, so that the transmission shaft can adapt to the change of the transmission angle of input and output. The stability of the shaft body structure of the device is integrally improved, sliding adjustment is realized by adopting sliding forks at two ends, and the stability of the transmission shaft in high-speed transmission is improved.
Preferably, the outer diameter of the first sliding fork is larger than the outer diameter of the second sliding fork, and the aperture of the first spline hole is larger than the aperture of the second spline hole. The gravity center of the whole transmission shaft is biased by one end of the first sliding fork, so that the gravity center of the transmission shaft is close to one more stable end of the whole transmission system.
Preferably, an O-ring is embedded inside the spline section of the first spline hole. The spline shaft section embedded in the spline hole can be positioned and held tightly, and the transmission stability is improved.
Preferably, the thickness of the two ends of the shaft tube is larger than that of the middle part of the shaft tube, the inner diameters of the two ends of the shaft tube are consistent with the middle part of the shaft tube, and the outer diameters of the two ends of the shaft tube are larger than that of the middle part of the shaft tube. The quality of the two ends of the shaft tube is larger than that of the middle part, and the stability is improved.
Preferably, the first sliding fork and the second sliding fork are made of 40Cr steel.
Preferably, the shaft tube is made of 6061-T6 aluminum alloy.
The utility model adopts the light shaft body to improve high-rotation speed performance, is suitable for mechanical equipment transmission with high-rotation speed requirement, adopts the sliding fork at two ends of the transmission shaft to realize spline sliding, increases transmission stroke, has wide application range and has small influence on the stability of the transmission shaft body.
Drawings
The utility model is further described below with reference to the accompanying drawings.
Fig. 1 is a schematic view of a structure of the present utility model.
Fig. 2 is a schematic view of the cross joint structure of the present utility model.
In the figure: 1. the device comprises a first sliding fork, 2, a first spline hole, 3, an O-shaped ring, 4, a cross universal joint, 5, a shaft tube, 6, a second sliding fork, 7, a second spline hole, 8 and a connecting arm.
Detailed Description
The utility model will be further illustrated by the following examples in conjunction with the accompanying drawings.
Examples: an aluminum alloy high-speed transmission shaft is shown in fig. 1. The transmission shaft comprises a shaft body, wherein the shaft body is a shaft tube 5 made of aluminum alloy, and the shaft tube is made of 6061-T6 aluminum alloy. The shaft tube is a hollow tube, and two ends of the shaft tube 5 are respectively connected with the first sliding fork 1 and the second sliding fork 6 through the cross universal joint 4. The first sliding fork and the second sliding fork are made of 40Cr steel. The pipe wall thickness at the two ends of the shaft pipe 5 is greater than the pipe wall thickness in the middle of the shaft pipe, the inner diameters of the pipe walls at the two ends of the shaft pipe are consistent with the middle of the shaft pipe, and the outer diameters of the pipe walls at the two ends of the shaft pipe are greater than the outer diameter of the pipe wall in the middle of the shaft pipe. The gravity center of the whole transmission shaft is biased by one end of the first sliding fork, so that the gravity center of the transmission shaft is close to one more stable end of the whole transmission system.
The outer end face of the first sliding fork 1 is provided with a first spline hole 2, and the outer end face of the second sliding fork 6 is provided with a second spline hole 7. The end of the shaft tube 5 is provided with two shaft fork arms at intervals of 180 degrees, the inner ends of the first sliding fork 1 and the second sliding fork 6 are respectively provided with two sliding fork arms at intervals of 180 degrees, as shown in fig. 2, the cross universal joint 4 is provided with four connecting arms 8 at intervals of 90 degrees, and the two shaft fork arms and the two sliding fork arms are respectively connected with the four connecting arms.
As shown in fig. 1, the outer diameter of the first sliding fork 1 is larger than the outer diameter of the second sliding fork 6, and the aperture of the first spline hole 2 is larger than the aperture of the second spline hole 7. An O-ring 3 is embedded on the inner side of the spline section of the first spline hole.
In this case, the hollow tubular aluminum alloy shaft tube is used as the main body of the transmission shaft, so that the transmission shaft is light, the high-speed transmission performance is improved, the sliding forks at two ends are provided with spline holes, and the sliding forks can be in spline sliding fit with the front and rear transmission parts, so that the large-stroke transmission is realized. The transmission shaft is connected with the sliding fork by a cross universal joint, so that the transmission shaft can adapt to the change of the transmission angle of input and output.
Claims (6)
1. The utility model provides an aluminum alloy high-speed transmission shaft, includes the axis body, and axis body both ends set up slip fork, its characterized in that: the shaft body is an aluminum alloy shaft tube, the shaft tube is a hollow tube, two ends of the shaft tube are respectively connected with a first sliding fork and a second sliding fork through cross universal joints, a first spline hole is formed in the outer end face of the first sliding fork, and a second spline hole is formed in the outer end face of the second sliding fork; the end of the shaft tube is provided with two shaft fork arms at intervals of 180 degrees, the inner ends of the first sliding fork and the second sliding fork are respectively provided with two sliding fork arms at intervals of 180 degrees, the cross universal joint is provided with four connecting arms at intervals of 90 degrees, and the two shaft fork arms and the two sliding fork arms are respectively connected with the four connecting arms.
2. An aluminum alloy high-speed transmission shaft according to claim 1, wherein: the outer diameter of the first sliding fork is larger than that of the second sliding fork, and the aperture of the first spline hole is larger than that of the second spline hole.
3. An aluminum alloy high speed drive shaft as defined in claim 2, wherein: an O-shaped ring is embedded on the inner side of the spline section of the first spline hole.
4. An aluminum alloy high-speed transmission shaft according to claim 1, 2 or 3, wherein: the thickness of the tube walls at the two ends of the tube is larger than that of the tube wall in the middle of the tube, the inner diameters of the tube walls at the two ends of the tube are consistent with that of the tube in the middle of the tube, and the outer diameters of the tube walls at the two ends of the tube are larger than that of the tube wall in the middle of the tube.
5. An aluminum alloy high-speed transmission shaft according to claim 1, 2 or 3, wherein: the first sliding fork and the second sliding fork are made of 40Cr steel.
6. An aluminum alloy high-speed transmission shaft according to claim 1, 2 or 3, wherein: the shaft tube is made of 6061-T6 aluminum alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321327280.8U CN219954009U (en) | 2023-05-29 | 2023-05-29 | Aluminum alloy high-speed transmission shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321327280.8U CN219954009U (en) | 2023-05-29 | 2023-05-29 | Aluminum alloy high-speed transmission shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219954009U true CN219954009U (en) | 2023-11-03 |
Family
ID=88557071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321327280.8U Active CN219954009U (en) | 2023-05-29 | 2023-05-29 | Aluminum alloy high-speed transmission shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219954009U (en) |
-
2023
- 2023-05-29 CN CN202321327280.8U patent/CN219954009U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |