THE CONVERTIBLE MECHANISM OF THE CAR ROOF

The paper deals with linkages used to actuate the retractable top of convertible passenger car, which are either a simple articulated 4-bar mechanism or a stacking multi-contour n-bar mechanism. The car top that can fold or unfold is consisting of two or three hard components. The folding linkage...

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Main Authors: Daniela ANTONESCU, Margareta STRÂMBEANU, Ovidiu ANTONESCU
Format: Article
Language:English
Published: Academica Brancusi 2021-05-01
Series:Fiabilitate şi Durabilitate
Subjects:
Online Access:https://www.utgjiu.ro/rev_mec/mecanica/pdf/2021-01/03_Daniela%20ANTONESCU,%20Margareta%20STR%C3%82MBEANU,%20Ovidiu%20ANTONESCU%20-%20THE%20CONVERTIBLE%20MECHANISM%20OF%20THE%20CAR%20ROOF.pdf
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author Daniela ANTONESCU
Margareta STRÂMBEANU
Ovidiu ANTONESCU
author_facet Daniela ANTONESCU
Margareta STRÂMBEANU
Ovidiu ANTONESCU
author_sort Daniela ANTONESCU
collection DOAJ
description The paper deals with linkages used to actuate the retractable top of convertible passenger car, which are either a simple articulated 4-bar mechanism or a stacking multi-contour n-bar mechanism. The car top that can fold or unfold is consisting of two or three hard components. The folding linkage of the hard top is a planar kinematic chain with articulated bars which allows the two or three top parts to be stacked into the trunk room. To be observed that the first hard component of the kinematic chain is the car rear screen and the second hard part is actually the retractable top. In order to fold the car top and the rear screen, the door trunk is actuated by means of a simple hinge pair or a 4-bar mechanism. In the case of a larger passenger car, the top consists of two parts and together with the rear screen form the open kinematic chain which can be closed by means of some stacked kinematic chains. Using CAD modeling and kinematic simulation of the retractable textile car top linkage used on convertibles, the mechanism efficiency regarding its operation can be improved. Through Inventor® software the user can modify any part or subassembly of the mechanism at any moment. This can be done by means of the parametric design which allows that any changing on a component to be instantaneous reflected on the assembly which that part belongs to.
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spelling doaj.art-e2cc7b3361bd409d80b84691da85f3c82022-12-21T23:59:49ZengAcademica BrancusiFiabilitate şi Durabilitate1844-640X2021-05-011412229THE CONVERTIBLE MECHANISM OF THE CAR ROOFDaniela ANTONESCU0Margareta STRÂMBEANU1Ovidiu ANTONESCU2High Scool Iuliu Maniu of BucharestHigh Scool Iuliu Maniu of BucharestPolitehnica Universuty of BucharestThe paper deals with linkages used to actuate the retractable top of convertible passenger car, which are either a simple articulated 4-bar mechanism or a stacking multi-contour n-bar mechanism. The car top that can fold or unfold is consisting of two or three hard components. The folding linkage of the hard top is a planar kinematic chain with articulated bars which allows the two or three top parts to be stacked into the trunk room. To be observed that the first hard component of the kinematic chain is the car rear screen and the second hard part is actually the retractable top. In order to fold the car top and the rear screen, the door trunk is actuated by means of a simple hinge pair or a 4-bar mechanism. In the case of a larger passenger car, the top consists of two parts and together with the rear screen form the open kinematic chain which can be closed by means of some stacked kinematic chains. Using CAD modeling and kinematic simulation of the retractable textile car top linkage used on convertibles, the mechanism efficiency regarding its operation can be improved. Through Inventor® software the user can modify any part or subassembly of the mechanism at any moment. This can be done by means of the parametric design which allows that any changing on a component to be instantaneous reflected on the assembly which that part belongs to.https://www.utgjiu.ro/rev_mec/mecanica/pdf/2021-01/03_Daniela%20ANTONESCU,%20Margareta%20STR%C3%82MBEANU,%20Ovidiu%20ANTONESCU%20-%20THE%20CONVERTIBLE%20MECHANISM%20OF%20THE%20CAR%20ROOF.pdfmechanismkinematic chaindesign
spellingShingle Daniela ANTONESCU
Margareta STRÂMBEANU
Ovidiu ANTONESCU
THE CONVERTIBLE MECHANISM OF THE CAR ROOF
Fiabilitate şi Durabilitate
mechanism
kinematic chain
design
title THE CONVERTIBLE MECHANISM OF THE CAR ROOF
title_full THE CONVERTIBLE MECHANISM OF THE CAR ROOF
title_fullStr THE CONVERTIBLE MECHANISM OF THE CAR ROOF
title_full_unstemmed THE CONVERTIBLE MECHANISM OF THE CAR ROOF
title_short THE CONVERTIBLE MECHANISM OF THE CAR ROOF
title_sort convertible mechanism of the car roof
topic mechanism
kinematic chain
design
url https://www.utgjiu.ro/rev_mec/mecanica/pdf/2021-01/03_Daniela%20ANTONESCU,%20Margareta%20STR%C3%82MBEANU,%20Ovidiu%20ANTONESCU%20-%20THE%20CONVERTIBLE%20MECHANISM%20OF%20THE%20CAR%20ROOF.pdf
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