CN220668116U - Profile torque transmission shaft - Google Patents
Profile torque transmission shaft Download PDFInfo
- Publication number
- CN220668116U CN220668116U CN202322356687.XU CN202322356687U CN220668116U CN 220668116 U CN220668116 U CN 220668116U CN 202322356687 U CN202322356687 U CN 202322356687U CN 220668116 U CN220668116 U CN 220668116U
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- China
- Prior art keywords
- transmission shaft
- profile
- molded surface
- cylinder structure
- torque transmission
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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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- 230000005540 biological transmission Effects 0.000 title claims abstract description 31
- 239000007787 solid Substances 0.000 claims abstract description 4
- 230000007704 transition Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000007547 defect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model relates to a profile torque transmission shaft which comprises a strip-shaped transmission shaft body, wherein the middle part of the transmission shaft body is of a solid cylinder structure, two ends of the cylinder structure are respectively connected with a first connecting profile and a second connecting profile, and a disassembling screw hole is formed in the first connecting profile. The utility model has the advantages of compact structure, simple shape, no need of special profile grinding machine, production efficiency improvement and the like.
Description
Technical Field
The utility model relates to the technical field of torque transmission shafts, in particular to a profile torque transmission shaft.
Background
Common connection mode of the torque transmission shaft of the mining equipment in the prior art is a spline. Although the spline has the advantages of large contact area, high bearing capacity, large transmission torque and the like, the spline has the defects of stress concentration, easy consumption, insufficient precision and the like. Although the problem of insufficient accuracy can be solved by grinding, the manufacturing cost is increased.
For this purpose, a profile torque transmission shaft is designed to overcome the above-mentioned problems.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and is used for solving the problems of stress concentration, easy consumption and high processing cost of a spline in the prior art, and providing a profile torque transmission shaft which has a compact structure and a simple shape, does not need a special profile grinding machine and improves the production efficiency.
The utility model is realized by the following technical scheme: the utility model provides a profile torque transmission shaft, includes the transmission shaft body of rectangular shape, the mid portion of transmission shaft body is solid cylinder structure, cylinder structure's both ends are connected with first connection profile and second connection profile respectively, wherein are provided with on the first connection profile and dismantle the screw.
As preferable: the diameter of the first connecting molded surface is larger than that of the cylinder structure, the diameter of the second connecting molded surface is smaller than that of the cylinder structure, and the first connecting molded surface and the second connecting molded surface are connected with the cylinder structure through arc transition edges.
As preferable: the cross sections of the first connecting molded surface and the second connecting molded surface are elliptical.
As preferable: the intermediate position of one end of the first connecting molded surface far away from the cylinder structure is provided with a disassembling screw hole.
As preferable: the depth of the disassembly screw hole is greater than or equal to one half of the length of the first connecting molded surface, and the central axis of the disassembly screw hole and the central axis of the transmission shaft body are in the same straight line.
Compared with the prior art, the utility model has the following beneficial effects:
1) The connecting surface of the utility model has no stress concentration sources such as protruding concave-convex parts, sharp corners and the like, reduces stress concentration, has high fatigue strength and is not easy to be lost;
2) The utility model has high connection strength and large torque transmission capacity;
3) The utility model has strong bearing capacity, and under the same load, the matching size of the shaft and the hub is smaller;
4) The self-centering device has good self-centering performance and good transmission stability;
5) The utility model has simple shape of the matched profile and convenient disassembly and assembly;
6) The utility model has simple manufacturing process, improves the production efficiency and reduces the production cost.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a sectional view A-A of fig. 1.
Fig. 3 is a sectional view of B-B of fig. 1.
Detailed Description
The present utility model will be further described with reference to the drawings and examples below in order to more clearly understand the objects, technical solutions and advantages of the present utility model to those skilled in the art.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "left," "right," "inner," "outer," "transverse," "vertical," and the like indicate or are based on the orientation or positional relationship shown in the drawings, and are merely for convenience in describing the present utility model, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, and thus should not be construed as limiting the utility model.
The utility model will be described in detail below with reference to the attached drawings: as shown in fig. 1, a profile torque transmission shaft comprises a strip-shaped transmission shaft body 1, wherein the middle part of the transmission shaft body 1 is a solid cylinder structure 2, two ends of the cylinder structure 2 are respectively connected with a first connecting profile 3 and a second connecting profile 4, and a disassembling screw hole is formed in the first connecting profile 3.
The utility model has compact design structure, simple shape, no need of special profile grinding machine, thereby improving the production efficiency, reducing stress concentration sources such as protruding concave-convex parts and sharp corners on the connecting surface, reducing stress concentration, having high fatigue strength, difficult loss, high connecting strength, large torque transmission capability, strong bearing capability, smaller matching size of the shaft and the hub, good self-centering performance, good transmission stability, simple shape of the matching profile and convenient disassembly and assembly under the same load.
The diameter of the first connecting molded surface 3 is larger than that of the cylinder structure 2, the diameter of the second connecting molded surface 4 is smaller than that of the cylinder structure 2, and the first connecting molded surface 3 and the second connecting molded surface 4 are connected with the cylinder structure 2 through an arc transition edge 5.
As shown in fig. 2-3, the first connecting profile 3 and the second connecting profile 4 are elliptical in cross section, and more specifically, the first connecting profile and the second connecting profile are non-cylindrical curved profiles.
The curve formula of the profile non-cylindrical surface is as follows:
X(t)=a*cos(t)/2-cos(2*t)*cos(t)-2*sin(2*t)*sin(t)；
Y (t)= b*sin(t)/2-cos(2*t)*sin(t)+2*sin(2*t)*cos(t)。
the middle position of the first connecting molded surface 3 far away from one end of the cylinder structure 2 is provided with a disassembling screw hole 6.
The depth of the disassembly screw hole 6 is greater than or equal to one half of the length of the first connecting molded surface 3, and the central axis of the disassembly screw hole 6 is in the same straight line with the central line of the transmission shaft body 1.
The specific embodiments described herein are merely illustrative of the principles and functions of the present utility model, and are not meant to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. It is therefore intended that all equivalent modifications and changes made by those skilled in the art without departing from the spirit and technical spirit of the present utility model shall be covered by the appended claims.
Claims (5)
1. Profile torque transmission shaft, including rectangular transmission shaft body (1), its characterized in that: the middle part of transmission shaft body (1) is solid cylinder structure (2), the both ends of cylinder structure (2) are connected with first connection profile (3) and second connection profile (4) respectively, and wherein be provided with on first connection profile (3) and dismantle the screw.
2. The profile torque transmission shaft of claim 1, wherein: the diameter of the first connecting molded surface (3) is larger than that of the cylinder structure (2), the diameter of the second connecting molded surface (4) is smaller than that of the cylinder structure (2), and the first connecting molded surface (3) and the second connecting molded surface (4) are connected with the cylinder structure (2) through arc transition edges (5).
3. The profile torque transmission shaft of claim 2, wherein: the cross sections of the first connecting molded surface (3) and the second connecting molded surface (4) are elliptical.
4. A profile torque transmission shaft as claimed in claim 3, wherein: the middle position of one end of the first connecting molded surface (3) far away from the cylinder structure (2) is provided with a disassembling screw hole (6).
5. The profile torque transmission shaft of claim 4, wherein: the depth of the disassembly screw hole (6) is greater than or equal to one half of the length of the first connecting molded surface (3), and the central axis of the disassembly screw hole (6) and the central axis of the transmission shaft body (1) are in the same straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322356687.XU CN220668116U (en) | 2023-08-31 | 2023-08-31 | Profile torque transmission shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322356687.XU CN220668116U (en) | 2023-08-31 | 2023-08-31 | Profile torque transmission shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220668116U true CN220668116U (en) | 2024-03-26 |
Family
ID=90338643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322356687.XU Active CN220668116U (en) | 2023-08-31 | 2023-08-31 | Profile torque transmission shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220668116U (en) |
-
2023
- 2023-08-31 CN CN202322356687.XU patent/CN220668116U/en active Active
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| GR01 | Patent grant |