CN215444747U - Metal spindle nose formula carbon-fibre composite transmission shaft - Google Patents
Metal spindle nose formula carbon-fibre composite transmission shaft Download PDFInfo
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- CN215444747U CN215444747U CN202023241067.4U CN202023241067U CN215444747U CN 215444747 U CN215444747 U CN 215444747U CN 202023241067 U CN202023241067 U CN 202023241067U CN 215444747 U CN215444747 U CN 215444747U
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Abstract
A metal shaft head type carbon fiber composite material transmission shaft is characterized in that an equal-diameter fiber composite material shaft tube is prepared, an electric corrosion prevention treatment layer is arranged in an inner cavity of metal shaft head embedding blocks at two ends, and local thickening and reinforcing are performed; the metal shaft head comprises a positioning section for ensuring concentricity and a bonding section matched with the shaft tube, the metal shaft head is embedded into an embedding block at the end part of the shaft tube, after gluing and curing are carried out, an anti-shearing hole is integrally processed along the radial direction of the shaft tube, and an anti-shearing pin is arranged in the anti-shearing hole; and coating the reinforcing layer to perform local reinforcing and thickening treatment, and finally curing and forming. And adopting an integrated reinforcing and forming process of gluing and anti-shearing pieces. The manufactured carbon fiber composite transmission shaft has the advantages of light weight, low starting energy consumption, high specific modulus, small deformation and good rust prevention effect.
Description
Technical Field
The utility model relates to application of a carbon fiber composite material, in particular to a metal shaft head type carbon fiber composite material transmission shaft.
Background
The transmission shaft is a high-speed, low-bearing rotating body, and can be one-section or several-section interconnection, and the sections are mutually connected by means of universal joints or splines. The traditional metal material is low in specific modulus, the problems of dynamic balance and critical rotating speed are considered, the length of a single shaft tube cannot be too long generally, and if the length of the single shaft tube exceeds 2 meters, connection such as gap bridges and the like needs to be added, so that the use requirement of super-long span cannot be met; the metal transmission shaft also has the defects of plastic deformation, easy rusting and the like, the maintenance cost is high, the service life is short, the traditional transmission shaft production method is characterized in that the shaft body is connected with the universal joint or the spline at the end part of the shaft by adopting a welding process, a certain amount of deviation exists in the concentricity of the universal joint, the spline and the shaft body in the welding process, and due to vibration and noise in the use process, the welding position is fatigued in the long-term use process, so that stress concentration is caused, the welding position is broken, and accidents are caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of the prior art and provides a metal shaft head type carbon fiber composite transmission shaft which is high in specific modulus, small in deformation and resistant to corrosion.
The technical problem to be solved by the utility model is realized by the following technical scheme, and the metal shaft head type carbon fiber composite transmission shaft is characterized in that:
comprises a fiber composite material shaft tube and a metal shaft head,
the anti-electric corrosion device is characterized in that metal shaft head embedded blocks are arranged at two ends of the shaft tube, an electric corrosion prevention treatment layer is arranged in an inner cavity of each metal shaft head embedded block, and thickened reinforcing layers are arranged on the outer walls of the metal shaft head embedded blocks at the two ends;
the metal shaft head comprises a positioning section and a bonding section, the concentricity of the positioning section is guaranteed, the bonding section is matched with the shaft tube, the positioning section is arranged at the position, close to the outer end part, of the metal shaft head, the inner side of the positioning section is the bonding section, and an adhesive containing layer used for being bonded with the inner cavity of the embedding section is coated on the outer wall of the bonding section; integrally processing anti-shearing holes in the embedding sections along the radial direction of the shaft tube, and installing anti-shearing pins in the anti-shearing holes;
the outside of the embedded section in which the anti-shearing pin is arranged is coated with a coarsening strengthening treatment layer.
The technical problem to be solved by the utility model can be further realized by the following technical scheme that the glue containing layer is made of epoxy structural glue, and the shear strength is 10-30 Mpa.
The technical problem to be solved by the utility model can be further realized by the following technical scheme that the fit clearance between the shaft head and the shaft tube is 0.1-0.3mm, and the fit length is 10-100 mm.
The technical problem to be solved by the utility model can be further realized by the following technical scheme that the electric corrosion prevention treatment layer is one or more insulating layers which are formed by laying an insulating material on the innermost layer in the shaft tube manufacturing process and curing the insulating material and the fiber composite material at the same time.
The technical problem to be solved by the utility model can be further realized by the following technical scheme that the glue layer is designed into a continuous coating surface or a discontinuous coating surface.
The technical problem to be solved by the utility model can be further realized by the following technical scheme that the thickness of the coarsening and reinforcing treatment layer of the embedding section is 20-100% of the wall thickness of the shaft tube.
Compared with the prior art, the utility model uses the carbon fiber composite material to manufacture the shaft tube, and embeds the metal shaft head, and adopts the integrated reinforcing and forming process of the gluing and anti-shearing parts. The manufactured carbon fiber composite transmission shaft has the advantages of light weight, low starting energy consumption, high specific modulus, small deformation and good rust prevention effect.
Drawings
FIG. 1 is a schematic diagram of the present invention;
FIG. 2 is a view of the spindle nose configuration;
fig. 3 is a discontinuous structure diagram of the glue layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, and in order to make those skilled in the art understand the present invention further, the embodiments of the present invention will be described in detail and fully with reference to the accompanying drawings. 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.
A metal shaft head type carbon fiber composite material transmission shaft,
manufacturing of composite material axle tube
Firstly, preparing an isometric fiber composite material shaft tube, wherein the shaft tube comprises metal shaft head insert blocks 1 at two ends and a middle section 6, an electric corrosion prevention treatment layer 4 is arranged in the inner cavity of the metal shaft head insert blocks at the two ends,
local thickening and reinforcing are carried out on the outer walls of the metal shaft head embedded blocks at the two ends, and secondary forming is carried out;
(II) positioning of metal shaft head and arrangement of glue containing layer
The metal shaft head 3 comprises a positioning section 7 for ensuring concentricity and a bonding section 8 matched with the shaft tube, the positioning section is arranged at the position, close to the outer end part, of the metal shaft head, the inner side of the positioning section is the bonding section, and the outer wall of the bonding section is coated with a glue containing layer 2;
(III) gluing and curing of metal shaft head and shaft tube
The metal shaft head is embedded into an embedding section at the end part of the shaft tube, the concentricity is ensured by the positioning section, the glue containing layer is glued, after solidification, an anti-shearing hole is integrally processed in the embedding section along the radial direction of the shaft tube, and an anti-shearing pin 5 is arranged in the anti-shearing hole;
the anti-shearing hole can be processed into a through hole or a blind hole and can be processed into a threaded hole,
the installed reinforcing anti-shearing pin can be a screw, a pin, a jackscrew or a filler with other shapes, and the shaft head and the reinforcing anti-shearing pin are screwed or cemented by matching with thread glue;
(IV) roughening strengthening treatment
And (3) coating a reinforcing layer 9 outside the embedded section in which the anti-shearing pin is arranged for local reinforcing and thickening treatment, and forming after curing.
The glue containing layer is made of epoxy structural glue, and the shear strength is 10-30 Mpa.
The fit clearance between the shaft head and the shaft tube is 0.1-0.3mm, and the fit length is 10-100 mm.
The electric corrosion prevention treatment layer is formed by paving an insulating material on the innermost layer in the shaft tube manufacturing process and simultaneously solidifying the insulating material and the fiber composite material, so that one or more insulating layers are formed, the high-low potential difference is blocked, and the corrosion of metal materials is avoided.
The insulating material is any one of glass fiber, aramid fiber, polyimide fiber and plastic interlayer material.
The glue containing layer can be designed into a continuous coating surface or a discontinuous coating surface. The glue holding layer and the inner wall gap of the embedding block at the end part of the shaft tube are generally controlled to be 0.2-1 mm, and the thickness of the glue holding layer can be adjusted according to the performance of the used glue.
The thickness of the coarsening and reinforcing treatment of the embedding section is 20 to 100 percent of the wall thickness of the shaft tube. And the carbon fiber cloth 3K prepreg cloth is adopted for local reinforcement. The length is 10-20 mm longer than the matching length between the shaft head and the shaft tube.
Claims (6)
1. The utility model provides a metal axle head formula carbon-fibre composite transmission shaft which characterized in that:
comprises a fiber composite material shaft tube and a metal shaft head,
the anti-electric corrosion device is characterized in that metal shaft head embedded blocks are arranged at two ends of the shaft tube, an electric corrosion prevention treatment layer is arranged in an inner cavity of each metal shaft head embedded block, and thickened reinforcing layers are arranged on the outer walls of the metal shaft head embedded blocks at the two ends;
the metal shaft head comprises a positioning section and a bonding section, the concentricity of the positioning section is guaranteed, the bonding section is matched with the shaft tube, the positioning section is arranged at the position, close to the outer end part, of the metal shaft head, the inner side of the positioning section is the bonding section, and an adhesive containing layer used for being bonded with the inner cavity of the embedding section is coated on the outer wall of the bonding section;
integrally processing anti-shearing holes in the embedding sections along the radial direction of the shaft tube, and installing anti-shearing pins in the anti-shearing holes;
the outside of the embedded section in which the anti-shearing pin is arranged is coated with a coarsening strengthening treatment layer.
2. The metal-headed carbon fiber composite drive shaft according to claim 1, characterized in that: the glue containing layer is made of epoxy structural glue, and the shear strength is 10-30 Mpa.
3. The metal-headed carbon fiber composite drive shaft according to claim 1, characterized in that: the fit clearance between the shaft head and the shaft tube is 0.1-0.3mm, and the fit length is 10-100 mm.
4. The metal-headed carbon fiber composite drive shaft according to claim 1, characterized in that: the electric corrosion prevention treatment layer is one or more insulating layers which are formed by laying an insulating material on the innermost layer in the shaft tube manufacturing process and curing the insulating material and the fiber composite material at the same time.
5. The metal-headed carbon fiber composite drive shaft according to claim 1, characterized in that: the glue containing layer is designed into a continuous coating surface or a discontinuous coating surface.
6. The metal-headed carbon fiber composite drive shaft according to claim 1, characterized in that: the thickness of the coarsening and reinforcing treatment of the embedding section is 20 to 100 percent of the wall thickness of the shaft tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023241067.4U CN215444747U (en) | 2020-12-29 | 2020-12-29 | Metal spindle nose formula carbon-fibre composite transmission shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023241067.4U CN215444747U (en) | 2020-12-29 | 2020-12-29 | Metal spindle nose formula carbon-fibre composite transmission shaft |
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| Publication Number | Publication Date |
|---|---|
| CN215444747U true CN215444747U (en) | 2022-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023241067.4U Active CN215444747U (en) | 2020-12-29 | 2020-12-29 | Metal spindle nose formula carbon-fibre composite transmission shaft |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727903A (en) * | 2020-12-29 | 2021-04-30 | 连云港神鹰复合材料科技有限公司 | Metal shaft head type carbon fiber composite transmission shaft |
| CN114486077A (en) * | 2022-02-17 | 2022-05-13 | 淄博朗达复合材料有限公司 | Carbon fiber beam barrel dynamic balance weight method and carbon fiber beam barrel |
-
2020
- 2020-12-29 CN CN202023241067.4U patent/CN215444747U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727903A (en) * | 2020-12-29 | 2021-04-30 | 连云港神鹰复合材料科技有限公司 | Metal shaft head type carbon fiber composite transmission shaft |
| CN112727903B (en) * | 2020-12-29 | 2024-05-07 | 连云港神鹰复合材料科技有限公司 | Metal shaft head type carbon fiber composite material transmission shaft |
| CN114486077A (en) * | 2022-02-17 | 2022-05-13 | 淄博朗达复合材料有限公司 | Carbon fiber beam barrel dynamic balance weight method and carbon fiber beam barrel |
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