Method and apparatus for reinforcing composite structures
First Claim
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1. A method for bonding a structural joint for an aircraft, the method comprising:
- bonding a first composite component and a second composite component to form a bonded structural joint for the aircraft, such that the bonded structural joint comprises an outer splice plate, and an inner splice plate;
creating a first channel through the first composite component-and a second channel through the second composite component, such that the first channel and the second channel, respectively, each pass through the outer splice plate and the inner splice plate;
placing an adhesive on an interior surface of the first and the second channel respectively;
thereafter, placing a first and a second composite shear pin into the first and the second channel, respectively, such that a head of the first and of the second shear pin, respectively, seats adjacent to the outer splice plate, and such that the first and the second shear pin each mitigate separation of the first and the second composite component due to shear forces; and
bonding, using an adhesive bonding process, a first and a second composite collar to the first and the second composite shear pin, respectively, such that the first and the second composite collar are configured respectively, with a surface adjacent to the inner splice plate.
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Abstract
A computer implemented method and apparatus for creating a structural joint for an aircraft. A first composite component and a second composite component are co-joined to form the structural joint for the aircraft. A hole through the first composite component and the second composite component is created. A composite shear pin is placed through the hole. A composite collar is bonded to the composite shear pin with an adhesive.
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Citations
20 Claims
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1. A method for bonding a structural joint for an aircraft, the method comprising:
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bonding a first composite component and a second composite component to form a bonded structural joint for the aircraft, such that the bonded structural joint comprises an outer splice plate, and an inner splice plate; creating a first channel through the first composite component-and a second channel through the second composite component, such that the first channel and the second channel, respectively, each pass through the outer splice plate and the inner splice plate; placing an adhesive on an interior surface of the first and the second channel respectively; thereafter, placing a first and a second composite shear pin into the first and the second channel, respectively, such that a head of the first and of the second shear pin, respectively, seats adjacent to the outer splice plate, and such that the first and the second shear pin each mitigate separation of the first and the second composite component due to shear forces; and bonding, using an adhesive bonding process, a first and a second composite collar to the first and the second composite shear pin, respectively, such that the first and the second composite collar are configured respectively, with a surface adjacent to the inner splice plate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method for joining composite components, the method comprising:
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co-joining a first composite component and a second composite component to form a bonded structural joint, such that the bonded structural joint comprises an outer splice plate, and an inner splice plate; forming a first channel through the first composite component-and a second channel through the second composite component, such that the first and the second channel, respectively, each pass through the outer splice plate and the inner splice plate; placing an adhesive on an interior surface of the first and the second channel respectively; thereafter, positioning a first and a second composite shear pin in the first and the second channel respectively, such that a head of the first shear pin and a head of the second shear pin each seats adjacent to the outer splice plate, and such that the first and the second shear pin each mitigate separation of the first and the second composite component due to shear forces; and bonding a first and a second composite collar to the first and the second composite shear pin, respectively, such that the first and the second composite collar are configured respectively, with a flush surface adjacent to the inner splice plate. - View Dependent Claims (11, 12, 13, 14)
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15. A joint comprising:
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a first composite component; an inner splice plate; a second composite component co-joined to the first composite component, such that an outer splice plate covers an outer portion of the first composite component and an outer portion of the second composite component, and wherein a first channel through the first composite component and a second channel through the second composite component are present and pass through the outer splice plate, and each channel being configured, respectively, with a counter bored area, being located at an end of the first and an end of the second channel respectively, nearest the outer splice plate; a first shear pin and a second shear pin, each respectively having a first end configured to prevent the first end from passing through the first and second channel respectively, and configured such that the first end, of the first shear pin and of the second shear pin, respectively, seats in the first and the second counter bored area respectively, and the first and the second shear pin each comprise a second end having a first mechanical feature configured to retain adhesive, such that the first and the second shear pin each mitigate separation of the first and the second composite component due to shear forces; a first and a second collar, each having a respective second mechanical feature configured to retain adhesive; and an adhesive located between the first mechanical feature and the second mechanical feature respectively, wherein the adhesive bonds the first and the second shear pin to the first and the second collar, respectively. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification