CN212564039U

CN212564039U - Durable transmission shaft made of composite material

Info

Publication number: CN212564039U
Application number: CN202022194638.7U
Authority: CN
Inventors: 张丽珠; 肖宇; 贾贺; 丁芳笑
Original assignee: Jilin Juxin Carbon Fiber Technology Co ltd
Current assignee: Jilin Juxin Carbon Fiber Technology Co ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-02-19
Anticipated expiration: 2030-09-29

Abstract

The utility model belongs to the technical field of the car transmission shaft, concretely relates to durable transmission shaft of combined material, the scheme of adoption is: a composite durable drive shaft comprising: the hybrid fiber surface strength layer, first transition layer, the mixed complex of two-dimentional winding fibre of establishing of outside-in proper order twist reverse layer, second transition layer and three-dimensional spatial structure rigidity layer, the material on first transition layer adopts thermoplastic resin base member combined material, the material on second transition layer adopts the multidimension to mix and weaves combined material, the utility model provides a mechanical properties has been strengthened by a wide margin to the transmission shaft, has improved comprehensive strength, can satisfy the requirement of big moment of torsion performance.

Description

Durable transmission shaft made of composite material

Technical Field

The utility model belongs to the technical field of the car transmission shaft, concretely relates to durable transmission shaft of combined material.

Background

The automobile transmission shaft is an important power transmission part in an automobile transmission system, and is used for effectively transmitting power generated in the running process of an engine to wheels together with a gearbox and a drive axle so as to enable an automobile to generate driving force; the transmission system can consume part of the energy of the engine due to self weight in self work, and the transmission shaft is mostly made of metal at present, so that the self weight is larger, and the larger energy of the engine can be consumed.

The carbon fiber hybrid composite material has the excellent characteristics of light weight, high strength, friction resistance and the like, can be suitable for transmission shaft application with higher rotating speed and longer span, and meanwhile, the thermal expansion coefficient of the composite material is low, so that the transmission noise and the vibration friction can be reduced, and the automobile fuel efficiency can be effectively improved; although the composite material transmission shaft prepared by the traditional two-dimensional winding mode has light weight and high strength, the performance requirement of larger torque cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes prior art exists not enough, provides a mechanical properties is better, comprehensive strength is higher, can satisfy the durable transmission shaft of combined material of big moment of torsion performance requirement.

In order to solve the technical problem, the utility model discloses a technical scheme be:

a composite durable drive shaft comprising: the composite fiber composite material comprises a hybrid fiber surface strength layer, a first transition layer, a two-dimensional winding fiber hybrid composite torsion layer, a second transition layer and a three-dimensional structure rigid layer which are sequentially sleeved from outside to inside, wherein the first transition layer is made of a thermoplastic resin matrix composite material, and the second transition layer is made of a multi-dimensional hybrid woven composite material.

The hybrid fiber surface strength layer is formed by weaving high-strength carbon fibers and high-toughness fibers, the weaving mode adopts plain weave, twill weave or satin weave, and preferably, the hybrid proportion of the two fibers is flexibly adjusted according to the actual working condition requirement.

The two-dimensional winding fiber hybrid composite torsion layer is formed by winding high-strength carbon fibers and high-modulus carbon fibers, the winding mode is circumferential winding, spiral winding or longitudinal winding, the winding angle of the circumferential winding is 85-90 degrees, the winding angle of the spiral winding is 45-70 degrees, the winding angle of the longitudinal winding is less than or equal to 25 degrees, the two-dimensional winding fiber hybrid composite torsion layer is preferred, and the hybrid ratio of the two fibers can be flexibly adjusted according to the actual working condition requirement.

The three-dimensional structure rigid layer is formed by weaving high-strength carbon fibers and high-modulus carbon fibers, the weaving structure of the three-dimensional structure rigid layer is three-dimensional four-direction, three-dimensional five-direction, three-dimensional six-direction or three-dimensional seven-direction, and preferably, the mixing ratio of the two fibers is flexibly adjusted according to the requirement of actual working conditions.

The thermoplastic resin matrix composite includes: the fabric is formed by weaving fabric fibers, the weaving mode adopts plain weave, twill weave or satin weave, and the fabric fibers adopt carbon fibers with specifications of T300, T700, T800 or T1000; seam paving fibers are arranged among the multiple layers of fabrics in an interlayer seam paving mode, and the seam paving fibers are T300 carbon fibers, T700 carbon fibers, T800 carbon fibers, T1000 carbon fibers, aramid fibers or UHMWPE fibers; the thermoplastic resin is selected from polyethylene, polypropylene, polycarbonate, thermoplastic polyester, polyphenylene sulfide, polyether ether ketone, polyether ketone, polyamide or polyimide, and the content of the thermoplastic resin in the thermoplastic resin matrix composite material is 40-60%.

The second transition layer is formed by weaving high-strength carbon fibers and high-modulus carbon fibers, the weaving structure of the second transition layer is three-dimensional four-direction, three-dimensional five-direction, three-dimensional six-direction or three-dimensional seven-direction, and preferably, the mixing ratio of the two fibers is flexibly adjusted according to the actual working condition requirement.

The specification of the high-strength carbon fiber is T300, T700, T800 or T1000.

The high-tenacity fibers are aramid fibers with specifications of K29, K49 or K129.

The specification of the high modulus carbon fiber is M40, M40J, M55, M55J, M60 or M60J.

After the multilayer structure fabric of the hybrid fiber surface strength layer, the two-dimensional winding fiber hybrid composite torsion layer, the three-dimensional structure rigid layer or the second transition layer is woven and formed, the multilayer structure fabric is subjected to dipping and thermosetting treatment;

the dipping treatment adopts a VARI vacuum infusion process, and the multilayer structure fabric is quickly dipped by using a thermosetting resin adhesive;

the thermosetting treatment process is carried out in a large oven, the vacuum degree is kept in the thermosetting treatment process at 0.06-0.1 Mpa, the thermosetting resin adhesive is made of epoxy resin, phenolic resin or unsaturated polyester resin, the gel content of the thermosetting resin is 40% -60%, and the thermosetting temperature and time are flexibly adjusted according to the characteristics of the thermosetting resin adhesive.

Compared with the prior art, the utility model following beneficial effect has.

Firstly, the utility model adopts the composite material, thereby greatly reducing the weight of the automobile transmission shaft and reducing the energy consumption;

two, the utility model discloses a two-dimentional weave structural layer and three-dimensional weave the mode that the structural layer combined together, compare with the combined material transmission shaft of traditional two-dimentional winding mode preparation, strengthened the mechanical properties of transmission shaft by a wide margin, improved the comprehensive strength of transmission shaft, can satisfy the big torque performance requirement.

Drawings

The present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1 is mixed fibre surface strength layer, 2 is two-dimentional winding fibre mixed compound layer of turning round, 3 is three-dimensional spatial structure rigidity layer, and 4 is first transition layer, and 5 is the second transition layer.

Detailed Description

The following is a further description with reference to specific examples.

Example 1

A composite durable drive shaft comprising: the composite fiber composite material comprises a hybrid fiber surface strength layer 1, a first transition layer 4, a two-dimensional winding fiber hybrid composite torsion layer 2, a second transition layer 5 and a three-dimensional structure rigid layer 3 which are sequentially arranged from outside to inside, wherein the first transition layer 4 is made of a thermoplastic resin matrix composite material, and the second transition layer 5 is made of a multi-dimensional hybrid woven composite material.

The hybrid fiber surface strength layer 1 is prepared by mixing the components in a mixing ratio of 1: 1T 300 carbon fiber and K29 aramid fiber twill.

The two-dimensional winding fiber hybrid composite torsion layer 2 is formed by mixing a fiber mixture with a mixing ratio of 2: the T700 carbon fiber and the M40 carbon fiber of 1 are wound in a 90-degree annular winding mode.

The three-dimensional structure rigid layer 3 is formed by mixing a mixture of a mixture ratio of 1: 1, the T800 carbon fiber and the M40J carbon fiber are woven, and the woven structure is three-dimensional and four-directional.

The thermoplastic resin matrix composite includes: the fabric is formed by plain weaving of T300 carbon fibers, seam-laying fibers are arranged among multiple layers of fabrics in an interlayer seam-laying mode, the seam-laying fibers are T1000 carbon fibers, the thermoplastic resin is polycarbonate, and the content of the thermoplastic resin in the thermoplastic resin matrix composite material is 40%.

The second transition layer 5 is formed by mixing a mixture of a mixed ratio of 1: 1, the T300 carbon fiber and the M60 carbon fiber are woven, and the weaving structure is three-dimensional five-direction.

After the multilayer structure fabric of the hybrid fiber surface strength layer 1, the two-dimensional winding fiber hybrid composite torsion layer 2, the three-dimensional structure rigid layer 3 or the second transition layer 5 is woven and formed, the multilayer structure fabric is subjected to dipping and thermosetting treatment.

Example 2

The hybrid fiber surface strength layer 1 is prepared by mixing the components in a mixing ratio of 2: 1T 800 carbon fiber and K49 aramid fiber twill.

The two-dimensional winding fiber hybrid composite torsion layer 2 is formed by mixing a fiber with a mixing ratio of 1: the T300 carbon fiber and the M55 carbon fiber of 1 are wound in a mode of longitudinal winding of 20 degrees.

The three-dimensional structure rigid layer 3 is formed by mixing a mixture of a mixture ratio of 1: 1, the T1000 carbon fiber and the M60J carbon fiber are woven, and the weaving structure is three-dimensional five-way.

The thermoplastic resin matrix composite includes: the fabric is formed by plain weaving of T1000 carbon fibers, seam-laying fibers are arranged among multiple layers of fabrics in an interlayer seam-laying mode, the seam-laying fibers are T800 carbon fibers, the thermoplastic resin is polycarbonate, and the content of the thermoplastic resin in the thermoplastic resin matrix composite is 60%.

The second transition layer 5 is formed by mixing a mixture of 2: 1, the T300 carbon fiber and the M60J carbon fiber are woven, and the weaving structure is three-dimensional six-direction.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. It will be apparent to those skilled in the art that modifications and improvements can be made to the above-described embodiments without departing from the spirit and scope of the invention. Accordingly, it will be appreciated that those skilled in the art, upon attaining an understanding of the foregoing may readily produce alterations to, variations of, and equivalents to these embodiments without departing from the spirit and scope of the present invention as defined by the appended claims.

Claims

1. A composite durable drive shaft, comprising: the composite fiber composite material comprises a hybrid fiber surface strength layer (1), a first transition layer (4), a two-dimensional winding fiber hybrid composite torsion layer (2), a second transition layer (5) and a three-dimensional structure rigid layer (3), wherein the hybrid fiber surface strength layer, the first transition layer (4), the two-dimensional winding fiber hybrid composite torsion layer and the three-dimensional structure rigid layer are sequentially sleeved from outside to inside, the first transition layer (4) is made of a thermoplastic resin matrix composite material, and the second transition layer (5) is made of a multi-dimensional hybrid woven composite material.

2. A composite durable drive shaft according to claim 1, wherein the hybrid fiber surface strength layer (1) is woven from high strength carbon fiber and high tenacity fiber in a plain, twill or satin weave.

3. The durable composite transmission shaft as claimed in claim 1, wherein the two-dimensional winding fiber hybrid composite torsion layer (2) is formed by winding high-strength carbon fiber and high-modulus carbon fiber in a hoop winding manner, a spiral winding manner or a longitudinal winding manner, wherein the winding angle of the hoop winding is 85-90 degrees, the winding angle of the spiral winding is 45-70 degrees, and the winding angle of the longitudinal winding manner is 25 degrees or less.

4. The composite material durable transmission shaft according to claim 1, wherein the three-dimensional structure rigid layer (3) is woven by high-strength carbon fiber and high-modulus carbon fiber, and the woven structure of the three-dimensional structure rigid layer (3) is three-dimensional four-direction, three-dimensional five-direction, three-dimensional six-direction or three-dimensional seven-direction.

5. A composite durable drive shaft according to claim 1 wherein the thermoplastic resin matrix composite comprises: the fabric is formed by weaving fabric fibers, the weaving mode adopts plain weave, twill weave or satin weave, and the fabric fibers adopt carbon fibers with specifications of T300, T700, T800 or T1000; seam paving fibers are arranged among the multiple layers of fabrics in an interlayer seam paving mode, and the seam paving fibers are T300 carbon fibers, T700 carbon fibers, T800 carbon fibers, T1000 carbon fibers, aramid fibers or UHMWPE fibers; the thermoplastic resin is selected from polyethylene, polypropylene, polycarbonate, thermoplastic polyester, polyphenylene sulfide, polyether ether ketone, polyether ketone, polyamide or polyimide.

6. The composite durable propeller shaft of claim 1 wherein the second transition layer (5) is woven from high strength carbon fiber and high modulus carbon fiber, and the woven structure of the second transition layer (5) is three-dimensional four-way, three-dimensional five-way, three-dimensional six-way or three-dimensional seven-way.

7. A composite durable drive shaft according to claim 2, 3, 4 or 6 wherein the high strength carbon fibre is of the gauge T300, T700, T800 or T1000.

8. A composite durable drive shaft according to claim 2 wherein the high tenacity fibers are aramid fibers of specification K29, K49 or K129.

9. A composite durable drive shaft according to claim 3, 4 or 6 wherein the high modulus carbon fibre is of the specification M40, M40J, M55, M55J, M60 or M60J.

10. A composite durable drive shaft according to claim 2, 3, 4 or 6 wherein the multi-layer structure fabric of the hybrid fiber surface strength layer (1), the two-dimensional wound fiber hybrid composite twisted layer (2), the three-dimensional structure rigid layer (3) or the second transition layer (5) is impregnated and heat cured after being woven and formed.