CN113357253A - Transmission shaft and manufacturing method thereof - Google Patents
Transmission shaft and manufacturing method thereof Download PDFInfo
- Publication number
- CN113357253A CN113357253A CN202110703253.5A CN202110703253A CN113357253A CN 113357253 A CN113357253 A CN 113357253A CN 202110703253 A CN202110703253 A CN 202110703253A CN 113357253 A CN113357253 A CN 113357253A
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- Prior art keywords
- wall
- tube
- annular cavity
- shaft
- joint
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 33
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 239000000853 adhesive Substances 0.000 claims description 15
- 230000001070 adhesive effect Effects 0.000 claims description 15
- 239000002131 composite material Substances 0.000 claims description 11
- 230000007704 transition Effects 0.000 claims description 10
- 238000004804 winding Methods 0.000 claims description 7
- 230000001680 brushing effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 230000008719 thickening Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims 2
- 238000003754 machining Methods 0.000 abstract description 5
- 238000004026 adhesive bonding Methods 0.000 description 6
- 239000002184 metal Substances 0.000 description 3
- 239000012790 adhesive layer Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920006335 epoxy glue Polymers 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Images
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
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/02—Shafts; Axles
- F16C3/023—Shafts; Axles made of several parts, e.g. by welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/14—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass gear parts, e.g. gear wheels
-
- 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B11/00—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding
- F16B11/006—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding by gluing
- F16B11/008—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding by gluing of tubular elements or rods in coaxial engagement
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The invention discloses a transmission shaft and a manufacturing method thereof, and relates to the technical field of machining. The transmission shaft and the manufacturing method thereof can bear large torque and have good connection stability.
Description
Technical Field
The invention relates to the technical field of machining, in particular to a transmission shaft and a manufacturing method thereof.
Background
The transmission shaft is widely applied to various fields such as engineering machinery, automobiles, ship propulsion and the like, and compared with the traditional metal transmission shaft, the composite material transmission shaft has the advantages of light weight, corrosion resistance, good fatigue performance and the like. In practical application of the composite material transmission shaft, how to realize the design of a connection structure between a main body structure of the composite material transmission shaft formed by winding and metal joints at two ends is very important.
The existing connection between the composite material and the metal is mainly divided into three types, namely mechanical connection, adhesive bonding and hybrid connection, and because the bearing of the composite material transmission shaft is complex, the requirement of long-term stable load transmission of the transmission shaft is generally difficult to guarantee by adopting a certain single connection mode, for example, the adhesive bonding mode is difficult to bear large torque, and the bolt connection is easy to generate stress concentration to cause fiber damage.
Disclosure of Invention
The invention aims to provide a transmission shaft and a manufacturing method thereof, which are used for solving the problems in the prior art, can bear large torque and have good connection stability.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a transmission shaft which comprises a shaft tube and two joints, wherein the two joints are respectively arranged at two ends of the shaft tube, each joint is provided with an outer cylinder and an inner cylinder, the outer cylinder is coaxially sleeved on the periphery of the inner cylinder, an annular cavity is formed between the inner wall of the outer cylinder and the outer wall of the inner cylinder, one end of the annular cavity is blocked, two ends of the shaft tube can extend into the annular cavity, the outer wall of the shaft tube is attached and bonded with the inner wall of the outer cylinder, and the inner wall of the shaft tube is attached and bonded with the outer wall of the inner cylinder.
Preferably, the central siphon includes interlude, two changeover portions and two linkage segments, the both ends of interlude are fixed respectively the changeover portion, each the changeover portion is last keep away from the one end of interlude all with one linkage segment fixed connection, the linkage segment is used for stretching into in the annular cavity, the changeover portion is used for connecting the interlude with the linkage segment makes the lateral wall smooth transition of central siphon.
Preferably, the interlude is hollow cylinder, the cross section inner wall of linkage segment is circular, and the outer wall is the polygon, the cross section inner wall of changeover portion is circular, from being close to one side of interlude is to being close to one side of linkage segment, the cross section outer wall of changeover portion by circular transition to with the polygon that the linkage segment outer wall is unanimous.
Preferably, the outer wall of the cross section of the connecting section is a regular hexagon, and the length of the connecting section is consistent with that of the annular cavity.
Preferably, the wall thickness of the outer cylinder and the wall thickness of the inner cylinder are gradually thinner from one end of the annular cavity plug to the other end of the annular cavity.
Preferably, the shaft tube is made of a carbon fiber composite material.
Preferably, the joint is made of a metal material.
The invention also discloses a manufacturing method of the transmission shaft, which comprises the following steps:
s1: forming a shaft tube and two joints to enable the shaft tube to be a hollow round tube, wherein each joint is provided with an outer barrel and an inner barrel, the outer barrel is coaxially sleeved on the periphery of the inner barrel, an annular cavity is formed between the inner wall of the outer barrel and the outer wall of the inner barrel, and one end of the annular cavity is plugged;
s2: brushing adhesives on the inner wall and the outer wall of the two ends of the shaft tube, brushing adhesives on the outer wall of the inner barrel and the inner wall of the outer barrel, and then respectively embedding the two ends of the shaft tube into the two annular cavities;
s3: and heating and curing the connected shaft tube and the joint to realize the bonding of the shaft tube and the joint.
Preferably, the forming the shaft tube includes: forming a hollow circular tube by winding, thickening and winding the two ends of the hollow circular tube to ensure that the wall thickness of the two ends of the hollow circular tube is greater than that of the middle part of the hollow circular tube, curing the formed hollow circular tube, processing the outer walls of the thickened parts of the two ends of the cured hollow circular tube and ensuring that the cross section of the processed wall surface is a regular hexagon;
forming the joint includes: the joint is formed by processing a groove on a round platform structure with a through hole in the middle, the groove is circumferentially arranged around the through hole, the groove forms an annular cavity, the inner wall of the annular cavity is an inner cylinder, and the outer wall of the annular cavity is an outer cylinder.
Preferably, the adhesive is a structural adhesive.
Compared with the prior art, the invention has the following technical effects:
according to the transmission shaft provided by the invention, the two joints are respectively arranged at the two ends of the shaft tube, so that the transmission shaft can be conveniently connected with other components to carry out stable transmission, the joints comprise the outer cylinder and the inner cylinder, the outer cylinder is coaxially sleeved at the periphery of the inner cylinder, an annular cavity is formed between the inner wall of the outer cylinder and the outer wall of the inner cylinder, the two ends of the shaft tube can extend into the annular cavity to realize the connection of the shaft tube and the joints, the outer wall of the shaft tube is attached and bonded with the inner wall of the outer cylinder, and the inner wall of the shaft tube is attached and bonded with the outer wall of the inner cylinder, so that the composite connection of mechanical connection and adhesive bonding is realized, the shearing stress of an adhesive layer is reduced, the connection strength is improved, the stability of the whole structure is further improved, and a large torque load can be borne.
According to the manufacturing method of the transmission shaft, the inner wall and the outer wall of the two ends of the shaft tube are both brushed with the structural adhesive, the outer wall of the inner cylinder and the inner wall of the outer cylinder are both brushed with the structural adhesive, then the two ends of the shaft tube are respectively embedded into the two annular cavities, and the stable connection between the shaft tube and the joint is realized through splicing and gluing, so that the produced transmission shaft can bear large torque load.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a transmission shaft according to a first embodiment;
FIG. 2 is a cross-sectional view of a drive shaft provided in accordance with one embodiment;
FIG. 3 is a side view of a joint in a propeller shaft provided in accordance with an embodiment;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
in the figure: 100-transmission shaft, 1-shaft tube, 11-middle section, 12-transition section, 13-connecting section, 2-joint, 21-outer cylinder, 22-inner cylinder and 23-annular cavity.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a transmission shaft and a manufacturing method thereof, and aims to solve the technical problems that the existing transmission shaft is poor in stability and difficult to bear large torque load.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Example one
As shown in fig. 1 to 4, the present embodiment provides a transmission shaft 100, which includes a shaft tube 1 and two joints 2, wherein the two joints 2 are respectively installed at two ends of the shaft tube 1, so as to connect the transmission shaft 100 with other components for stable transmission, the joint 2 has an outer cylinder 21 and an inner cylinder 22, the outer cylinder 21 is coaxially sleeved on the periphery of the inner cylinder 22, an annular cavity 23 is formed between the inner wall of the outer cylinder 21 and the outer wall of the inner cylinder 22, one end of the annular cavity 23 is sealed, two ends of the shaft tube 1 can extend into the annular cavity 23 to connect the shaft tube 1 with the joint 2, the outer wall of the shaft tube 1 is attached and bonded to the inner wall of the outer cylinder 21, the inner wall of the shaft tube 1 is attached and bonded to the outer wall of the inner cylinder 22, thereby implementing composite connection of mechanical connection and adhesive bonding, reducing adhesive layer shear stress, improving connection strength, and further improving stability of the whole structure, so that it can withstand large torque loads, the glue used for the bonding is preferably an epoxy glue.
Specifically, central siphon 1 includes interlude 11, two changeover portions 12 and two linkage segments 13, a changeover portion 12 is fixed respectively at the both ends of interlude 11, the one end of keeping away from interlude 11 on each changeover portion 12 all with a linkage segment 13 fixed connection, linkage segment 13 is used for stretching into annular cavity 23, changeover portion 12 is used for connecting interlude 11 and linkage segment 13 and makes central siphon 1's lateral wall smooth transition, under the prerequisite that improves bulk strength, the aesthetic property has still been guaranteed.
The middle section 11 is a hollow cylinder, which conforms to the basic shape design of the transmission shaft 100, so that the transmission shaft can be used for transmission, the inner wall of the cross section of the connecting section 13 is circular, the outer wall of the cross section of the connecting section 13 is polygonal and corresponds to the shape of the joint 2, the inner wall of the outer cylinder 21 is consistent with the outer wall of the connecting section 13, the cross section is also polygonal, a gap is reserved between the inner wall of the outer cylinder 21 and the outer wall of the connecting section 13 for accommodating structural adhesive, the outer wall of the inner cylinder 22 is consistent with the inner wall of the connecting section 13, the cross section is also circular, a gap is reserved between the outer wall of the inner cylinder 22 and the inner wall of the connecting section 13 for accommodating the structural adhesive, and composite connection of adhesive and polygon is realized, so that stable connection between the end part of the shaft tube 1 and the joint 2 is realized, the transition section 12 is a lofting body, the inner wall of the cross section of the transition section 12 is circular, the outer wall of the cross section of the transition section 12 is transited from the circular shape to the polygonal shape consistent with the outer wall of the connecting section 13 from the side close to the connecting section 11, because the outer wall cross section of linkage segment 13 is polygonal shape, and the outer wall cross section of interlude 11 is circular, consequently passes through 11 and linkage segment 13 to interlude 11 through the outer wall of changeover portion 12, guarantees aesthetic property and wholeness, utilizes regular polygon design, can increase linkage segment 13 and connect the area of contact between 2, and then improves bonding strength.
The outer wall of the cross section of the connecting section 13 is in a regular hexagon shape, and the length of the connecting section 13 is consistent with that of the annular cavity 23, so that the connecting section 13 is aligned with the annular cavity 23 conveniently, and the connecting efficiency is improved.
The wall thicknesses of the outer cylinder 21 and the inner cylinder 22 are gradually thinned from one end blocked by the annular cavity 23 to the other end of the annular cavity 23, namely one end of the wall thickness is used for contacting one end, far away from the transition section 12, of the connecting section 13, so that the damage of rigidity mutation generated by the connection of dissimilar materials to an inner glue layer is relieved; the reason that the end wall of the joint 2 close to the plug is thin is that the stress is small in the twisting process, and the small wall thickness can bear the load, so that unnecessary weight is reduced; on the other hand, the structure with gradually changed thickness can make the whole structure more beautiful.
The shaft tube 1 is made of carbon fiber composite material, and the joint 2 is made of metal material.
Example two
The embodiment provides a manufacturing method of a transmission shaft 100, which comprises the following steps:
the method comprises the steps of forming a hollow circular tube by winding on the outer wall of a mold, thickening and winding the two ends of the hollow circular tube, enabling the wall thickness of the two ends of the hollow circular tube to be larger than that of the middle part of the hollow circular tube, facilitating subsequent machining of a thickened part to form a connecting section 13 and a transition section 12, facilitating matched connection with a joint 2, ensuring the stability of the whole, curing the formed hollow circular tube, then machining the thickened parts of the two ends of the cured hollow circular tube, finally demolding the machined workpiece to form a shaft tube 1, enabling the mold to support the inside of the shaft tube 1 in the machining process, being capable of better ensuring the requirement of coaxiality, and further facilitating realization of the stability of connection of the shaft tube 1 and the joint 2;
a groove is processed on a circular truncated cone structure with a through hole in the middle to form a joint 2, the groove is a groove with a uniform cross section in the length direction, the groove is circumferentially arranged around the through hole and forms an annular cavity 23, the inner wall of the annular cavity 23 is an inner cylinder 22, and the outer wall of the annular cavity 23 is an outer cylinder 21;
brushing structural adhesive on the inner wall and the outer wall of the two ends of the shaft tube 1, brushing structural adhesive on the outer wall of the inner barrel 22 and the inner wall of the outer barrel 21, respectively embedding the two ends of the shaft tube 1 into the two annular cavities 23, and stably connecting the shaft tube 1 and the connector 2 through splicing and gluing so that the produced transmission shaft 100 can bear large-torque load;
the connected shaft tube 1 and the joint 2 are heated and cured to realize the bonding stability, so that the overall strength is improved.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In summary, this summary should not be construed to limit the present invention.
Claims (10)
1. A drive shaft, characterized by: connect, two including central siphon and two the joint is installed respectively the both ends of central siphon, the joint has urceolus and inner tube, urceolus coaxial arrangement is located the periphery of inner tube, just the urceolus inner wall with form annular cavity between the inner tube outer wall, annular cavity's one end shutoff, the both ends of central siphon can stretch into extremely in the annular cavity, just the outer wall of central siphon with the inner wall laminating and the bonding of urceolus, the inner wall of central siphon with the outer wall laminating and the bonding of inner tube.
2. The propeller shaft of claim 1, wherein: the central siphon includes interlude, two changeover portions and two linkage segments, the both ends of interlude are fixed one respectively the changeover portion, each keep away from on the changeover portion the one end of interlude all with one linkage segment fixed connection, the linkage segment is used for stretching into in the annular cavity, the changeover portion is used for connecting the interlude with the linkage segment makes the lateral wall smooth transition of central siphon.
3. The propeller shaft of claim 2, wherein: the interlude is hollow cylinder, the cross section inner wall of linkage segment is circular, and the outer wall is the polygon, the cross section inner wall of changeover portion is circular, is close to certainly one side of interlude is to being close to one side of linkage segment, the cross section outer wall of changeover portion by circular transition to with the polygon that the linkage segment outer wall is unanimous.
4. A propeller shaft as defined in claim 3, wherein: the outer wall of the cross section of the connecting section is in a regular hexagon shape, and the length of the connecting section is consistent with that of the annular cavity.
5. The propeller shaft of claim 1, wherein: the wall thickness of the outer cylinder and the wall thickness of the inner cylinder are gradually thinned from one end of the annular cavity plug to the other end of the annular cavity.
6. The propeller shaft of claim 1, wherein: the shaft tube is made of carbon fiber composite materials.
7. The propeller shaft of claim 1, wherein: the joint is made of metal materials.
8. A manufacturing method of a transmission shaft is characterized in that: the method comprises the following steps:
s1: forming a shaft tube and two joints to enable the shaft tube to be a hollow round tube, wherein each joint is provided with an outer barrel and an inner barrel, the outer barrel is coaxially sleeved on the periphery of the inner barrel, an annular cavity is formed between the inner wall of the outer barrel and the outer wall of the inner barrel, and one end of the annular cavity is plugged;
s2: brushing adhesives on the inner wall and the outer wall of the two ends of the shaft tube, brushing adhesives on the outer wall of the inner barrel and the inner wall of the outer barrel, and then respectively embedding the two ends of the shaft tube into the two annular cavities;
s3: and heating and curing the connected shaft tube and the joint to realize the bonding of the shaft tube and the joint.
9. The method of manufacturing a propeller shaft according to claim 8, wherein:
forming the shaft tube includes: forming a hollow circular tube by winding, thickening and winding the two ends of the hollow circular tube to ensure that the wall thickness of the two ends of the hollow circular tube is greater than that of the middle part of the hollow circular tube, curing the formed hollow circular tube, processing the outer walls of the thickened parts of the two ends of the cured hollow circular tube and ensuring that the cross section of the processed wall surface is a regular hexagon;
forming the joint includes: the joint is formed by processing a groove on a round platform structure with a through hole in the middle, the groove is circumferentially arranged around the through hole, the groove forms an annular cavity, the inner wall of the annular cavity is an inner cylinder, and the outer wall of the annular cavity is an outer cylinder.
10. The method of manufacturing a propeller shaft according to claim 8, wherein: the adhesive is a structural adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110703253.5A CN113357253A (en) | 2021-06-24 | 2021-06-24 | Transmission shaft and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110703253.5A CN113357253A (en) | 2021-06-24 | 2021-06-24 | Transmission shaft and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113357253A true CN113357253A (en) | 2021-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110703253.5A Pending CN113357253A (en) | 2021-06-24 | 2021-06-24 | Transmission shaft and manufacturing method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN113357253A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1330313A (en) * | 1970-09-23 | 1973-09-19 | British Aircraft Corp Ltd | Composite structures |
| EP0440461A1 (en) * | 1990-01-31 | 1991-08-07 | Sumitomo Chemical Company, Limited | Drive shaft made of fiber-reinforced plastics |
| JPH0791433A (en) * | 1993-09-20 | 1995-04-04 | Toray Ind Inc | Propeller shaft and its manufacture |
| CN104632861A (en) * | 2014-12-24 | 2015-05-20 | 芜湖市汽车产业技术研究院有限公司 | Manufacture method of fiber composite material automobile transmission shaft |
| US20160305470A1 (en) * | 2015-04-16 | 2016-10-20 | Airbus Helicopters Deutschland GmbH | Hybrid metal-composite drive shaft unit and method of manufacturing same |
| CN107605928A (en) * | 2017-11-08 | 2018-01-19 | 哈尔滨工业大学（威海） | A kind of gluing power transmission shaft of carbon fiber winding laying variable cross-section and combinations thereof formula mould |
| CN108472858A (en) * | 2015-12-31 | 2018-08-31 | 穆格公司 | Compound torque tube end connector attachment method |
| CN211314824U (en) * | 2019-12-16 | 2020-08-21 | 泰安市中研复合材料科技有限公司 | Composite material transmission shaft |
| CN112638691A (en) * | 2019-02-27 | 2021-04-09 | 日立安斯泰莫株式会社 | Pipe body for transmission shaft and transmission shaft |
-
2021
- 2021-06-24 CN CN202110703253.5A patent/CN113357253A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1330313A (en) * | 1970-09-23 | 1973-09-19 | British Aircraft Corp Ltd | Composite structures |
| EP0440461A1 (en) * | 1990-01-31 | 1991-08-07 | Sumitomo Chemical Company, Limited | Drive shaft made of fiber-reinforced plastics |
| JPH0791433A (en) * | 1993-09-20 | 1995-04-04 | Toray Ind Inc | Propeller shaft and its manufacture |
| CN104632861A (en) * | 2014-12-24 | 2015-05-20 | 芜湖市汽车产业技术研究院有限公司 | Manufacture method of fiber composite material automobile transmission shaft |
| US20160305470A1 (en) * | 2015-04-16 | 2016-10-20 | Airbus Helicopters Deutschland GmbH | Hybrid metal-composite drive shaft unit and method of manufacturing same |
| CN108472858A (en) * | 2015-12-31 | 2018-08-31 | 穆格公司 | Compound torque tube end connector attachment method |
| CN107605928A (en) * | 2017-11-08 | 2018-01-19 | 哈尔滨工业大学（威海） | A kind of gluing power transmission shaft of carbon fiber winding laying variable cross-section and combinations thereof formula mould |
| CN112638691A (en) * | 2019-02-27 | 2021-04-09 | 日立安斯泰莫株式会社 | Pipe body for transmission shaft and transmission shaft |
| CN211314824U (en) * | 2019-12-16 | 2020-08-21 | 泰安市中研复合材料科技有限公司 | Composite material transmission shaft |
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Application publication date: 20210907 |
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