CN217422107U - Composite material transmission shaft - Google Patents
Composite material transmission shaft Download PDFInfo
- Publication number
- CN217422107U CN217422107U CN202220120404.4U CN202220120404U CN217422107U CN 217422107 U CN217422107 U CN 217422107U CN 202220120404 U CN202220120404 U CN 202220120404U CN 217422107 U CN217422107 U CN 217422107U
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- shaft
- transmission shaft
- main body
- sleeve
- mounting
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Abstract
The utility model discloses a composite material transmission shaft, which comprises a transmission shaft main body and shaft heads arranged at two ends of the transmission shaft main body; mounting grooves are formed in two ends of the transmission shaft main body; the shaft head is provided with an installation part matched with the installation groove; the section of the mounting groove is in a regular polygon shape. The utility model discloses set up the cross-section at the both ends of transmission shaft main part and be polygonal mounting groove, when the spindle nose is installed in the mounting groove, take place the risk of inefficacy when can avoiding transmitting the moment of torsion effectively to transmission shaft driven stability has been guaranteed.
Description
Technical Field
The utility model belongs to the technical field of the transmission shaft technique and specifically relates to a combined material transmission shaft is related to.
Background
Compared with the traditional metal material, the composite material has the advantages of high specific modulus, high specific strength, good fatigue resistance and vibration reduction performance and the like, and is widely applied to various fields at present. Due to its designability, composite materials are increasingly being used in the manufacture of high speed rotating and large length to diameter ratio drive shafts. The transmission shaft is a vital force transmission part in a mechanical transmission system and mainly used for transmitting power to working equipment. At present, most passenger cars mainly adopt metal transmission shafts, the transmission shafts made of metal materials are heavy in weight and weak in bearing capacity, connection stability between a shaft head of the existing transmission shaft and the transmission shaft is weak, and the risk of failure in torque transmission is caused.
Therefore, there is a need to design a composite material drive shaft to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a combined material transmission shaft to current transmission bearing carrying capacity weak, the spindle nose is connected the more weak problem of stability with the transmission shaft and is proposed.
Realize the utility model discloses the technical scheme of purpose is: a composite material transmission shaft comprises a transmission shaft main body and shaft heads arranged at two ends of the transmission shaft main body; mounting grooves are formed in the two ends of the transmission shaft main body; the shaft head is provided with an installation part matched with the installation groove; the section of the mounting groove is in a regular polygon shape.
The transmission shaft main part comprises a main shaft and a shaft sleeve coaxially arranged on the outer side of the main shaft.
The cross section of the middle part of the shaft sleeve is circular, and the cross sections of the two ends of the shaft sleeve are circular with regular polygon inner rings.
The installation department of spindle nose is glued through the structure between with the mounting groove and is glued.
The main shaft is made of carbon fiber composite materials.
The shaft sleeve is made of metal materials.
The shaft head is made of metal materials.
A mounting bearing is coaxially fixed on the outer side of the shaft sleeve; the mounting bearing is in interference fit with the shaft sleeve.
By adopting the technical scheme, the utility model discloses following beneficial effect has: (1) the utility model discloses set up the cross-section at the both ends of transmission shaft main part and be polygonal mounting groove, when the spindle nose is installed in the mounting groove, take place the risk of inefficacy when can avoiding transmitting the moment of torsion effectively to transmission shaft transmission stability has been guaranteed.
(2) The utility model discloses a transmission shaft main part includes the main shaft and the coaxial axle sleeve of locating the main shaft outside, has set up the axle sleeve, because the combined material inflation volume is 0 basically after being heated, and the lower characteristics of coefficient of thermal expansion have been overcome to the metal axle sleeve, and the metal axle sleeve can also bear the high temperature for a long time simultaneously, improves the stability of its work.
(3) The utility model discloses the cross-section at the middle part of metal axle sleeve is the ring form, and the cross-section at its both ends is the ring form that the inner circle is regular polygon to in its cooperation with the main shaft, both combined action has improved the bearing capacity of transmission shaft greatly, and guarantee the holistic dynamic balance characteristic of transmission shaft, improve the rotational speed of transmission shaft.
(4) The utility model discloses a splice through the structure glue between the installation department of spindle nose and the mounting groove for the spindle nose installation is more convenient.
(5) The utility model discloses a main shaft adopts carbon-fibre composite, compares with steel and subtracts heavy 60%, and not only the quality is light, has fine fatigue resistance and corrosion resistance's advantage, and small in noise, vibration attenuation nature are good, the security is good moreover, still have damp heat proof simultaneously, prevent the mould, prevent the ability of salt fog.
(6) The utility model discloses an axle sleeve is metal material, can bear high temperature for a long time, and high temperature resistance is stronger.
(7) The utility model discloses a spindle nose is metal material, and structural stability is stronger.
(8) The bearing is in interference fit on the shaft sleeve of the embodiment, so that the rotating shaft can be connected with other components conveniently.
Drawings
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which
Fig. 1 is a schematic structural diagram of the present invention.
The reference numbers in the figures are:
the transmission shaft comprises a transmission shaft main body 1, a main shaft 1-1, a shaft sleeve 1-2, a shaft head 2, a mounting part 2-1, a mounting groove 3 and a mounting bearing 4.
Detailed Description
(example 1)
Referring to fig. 1, the composite material transmission shaft of the present embodiment includes a transmission shaft main body 1 and shaft heads 2 disposed at two ends of the transmission shaft main body 1; mounting grooves 3 are formed in the two ends of the transmission shaft main body 1; the shaft head 2 is provided with an installation part 2-1 matched with the installation groove 3; the section of the mounting groove 3 is in a regular polygon shape.
Further, the transmission shaft main body 1 comprises a main shaft 1-1 and a shaft sleeve 1-2 coaxially arranged on the outer side of the main shaft 1-1, the shaft sleeve 1-2 is arranged in the embodiment, and as the expansion amount of the composite material is basically 0 after being heated, the metal shaft sleeve 1-2 overcomes the characteristic of low thermal expansion coefficient, and meanwhile, the metal shaft sleeve 1-2 can bear high temperature for a long time, so that the working stability of the transmission shaft is improved. Preferably, the roughness of the inner surface of the sleeve 1-2 is Ra1.6.
Furthermore, the cross section of the middle part of the shaft sleeve 1-2 is in a circular ring shape, the cross sections of the two ends of the shaft sleeve are in a circular ring shape with regular polygons as the inner ring, so that the shaft sleeve is matched with the main shaft 1-1 conveniently, the bearing capacity of the transmission shaft is greatly improved under the combined action of the shaft sleeve and the main shaft, the integral dynamic balance characteristic of the transmission shaft is ensured, and the rotating speed of the transmission shaft is improved.
Furthermore, in order to facilitate the installation of the shaft head 2, the installation part 2-1 of the shaft head 2 is glued with the installation groove 3 through structural glue.
Furthermore, the main shaft 1-1 is made of carbon fiber composite materials, reduces weight by 60% compared with steel, is light in weight, has the advantages of good fatigue resistance and corrosion resistance, is low in noise, good in vibration attenuation and good in safety, and has the capabilities of resisting damp and heat, preventing mould and preventing salt spray.
Furthermore, the shaft sleeve 1-2 is made of metal materials, can bear high temperature for a long time, and has strong high temperature resistance.
Furthermore, the shaft head 2 is made of metal materials, so that the structural stability is stronger.
Further, a mounting bearing 4 is coaxially fixed on the outer side of the shaft sleeve 1-2, so that the shaft sleeve 1-2 is conveniently connected with other components; the installation bearing 4 is in interference fit with the shaft sleeve 1-2, so that the connection is more convenient and reliable.
The composite material transmission shaft of the embodiment solves the problem that the traditional metal transmission shaft is heavy in weight, and meanwhile, the composite material transmission shaft can overcome the corrosion resistance and fatigue resistance of the metal transmission shaft. The embodiment can exert good temperature resistance of the metal transmission shaft, simultaneously realize the matching with metal parts such as an external bearing and the like, exert the characteristics of light weight and high efficiency of the composite material transmission shaft, and contribute to improving the rotating speed and the power of the transmission shaft.
The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A composite material drive shaft characterized by: comprises a transmission shaft main body (1) and shaft heads (2) arranged at two ends of the transmission shaft main body (1); mounting grooves (3) are formed in two ends of the transmission shaft main body (1); the shaft head (2) is provided with an installation part (2-1) matched with the installation groove (3); the section of the mounting groove (3) is in a regular polygon shape.
2. A composite drive shaft according to claim 1, wherein: the transmission shaft main body (1) comprises a main shaft (1-1) and a shaft sleeve (1-2) coaxially arranged on the outer side of the main shaft (1-1).
3. A composite drive shaft according to claim 2, wherein: the cross section of the middle part of the shaft sleeve (1-2) is circular, and the cross sections of the two ends of the shaft sleeve are circular with regular polygon inner rings.
4. A composite drive shaft according to claim 1, wherein: the mounting part (2-1) of the shaft head (2) is glued with the mounting groove (3) through structural glue.
5. A composite drive shaft according to claim 2, wherein: the main shaft (1-1) is made of carbon fiber composite materials.
6. A composite drive shaft according to claim 2, wherein: the shaft sleeve (1-2) is made of metal materials.
7. A composite drive shaft according to claim 2, wherein: the shaft head (2) is made of metal materials.
8. A composite drive shaft according to claim 2, wherein: a mounting bearing (4) is coaxially fixed on the outer side of the shaft sleeve (1-2); the mounting bearing (4) is in interference fit with the shaft sleeve (1-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220120404.4U CN217422107U (en) | 2022-01-18 | 2022-01-18 | Composite material transmission shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220120404.4U CN217422107U (en) | 2022-01-18 | 2022-01-18 | Composite material transmission shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217422107U true CN217422107U (en) | 2022-09-13 |
Family
ID=83177441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220120404.4U Active CN217422107U (en) | 2022-01-18 | 2022-01-18 | Composite material transmission shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217422107U (en) |
-
2022
- 2022-01-18 CN CN202220120404.4U patent/CN217422107U/en active Active
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