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公开(公告)号：WO2022203586A1
公开(公告)日：2022-09-29
申请号：PCT/SE2022/050286
申请日：2022-03-24
Applicant: BAE SYSTEMS HÄGGLUNDS AKTIEBOLAG
Inventor： THORÉN, Max , HELLHOLM, Björn , BYBERG, Filip
Abstract: The invention relates to a brake arrangement (300) for a tracked vehicle (V). The brake arrangement (300) comprises a brake housing (310). Said brake arrangement (300) is journaled in bearings in connection to a drive unit driven drive axle (40) configured to rotate a drive wheel member (DW). Said brake arrangement (300) comprises a set of ring shaped friction elements (350) arranged about said drive axle (40) and configured to be pressed together in the axial direction for providing a braking function. Said brake arrangement further comprises a ring shaped parking brake piston device (370) coaxially arranged around said drive axle (40) in connection to a radially outer portion of said set of friction elements (350). Said parking brake piston device is configured to provide pressure in the axial direction against said radially outer portion of said set of friction elements (350) based on a parking brake action so as to press said elements together for preventing rotation of said drive axle (40), preventing movement of drive wheel member (DW).
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公开(公告)号：WO2022203584A1
公开(公告)日：2022-09-29
申请号：PCT/SE2022/050284
申请日：2022-03-24
Applicant: BAE SYSTEMS HÄGGLUNDS AKTIEBOLAG
Inventor： THORÉN, Max , HELLHOLM, Björn , BYBERG, Filip
Abstract: The invention relates to a brake arrangement (300) for a tracked vehicle (V). The brake arrangement (300) comprises a brake housing (310). Said brake arrangement (300) is journaled in bearings in connection to a drive unit driven drive axle (40) configured to rotate a drive wheel member (DW). Said brake arrangement (300) comprises a set of ring shaped friction elements (350) arranged about said drive axle (40) and configured to be pressed together in the axial direction for providing a braking function. Said set of friction elements (350) comprises a first end friction element (351) being the outermost friction element against which pressure is configured to be provided for said braking function. Said first end friction element (351) has a thickness in the axial direction which is thicker than the remaining set of friction elements (350) so as to facilitate distributing an even pressure on said set of friction elements (350) when said set of friction elements (350) are pressed together for efficient friction braking function.
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公开(公告)号：WO2022203583A1
公开(公告)日：2022-09-29
申请号：PCT/SE2022/050283
申请日：2022-03-24
Applicant: BAE SYSTEMS HÄGGLUNDS AKTIEBOLAG
Inventor： THORÉN, Max , HELLHOLM, Björn , BYBERG, Filip
Abstract: The invention relates to a track assembly (T1, T2) for a tracked vehicle (V). Said track assembly comprises a track support beam (10) for supportign road wheels (RW), a drive wheel member (DW), a drive arrangement (D) for drive wheel member operation and an endless track (E) disposed around said road wheels (RW) and drive wheel member (DW). Said drive arrangement (D) comprises a drive unit (M) for drive wheel member (DW) drive, and a brake arrangement (300) for braking of the drive wheel member (DW). Said track support beam (10) has an outer side (10a) facing away from a vehicle body (B) of the vehicle and an inner side (10b) facing towards said vehicle body when said track assembly is connected to the vehicle body (B). Said drive arrangement (D) comprises a drive axle (40) coaxially arranged relative to a centre axis (Z) of said drive wheel member (DW) for rotating said drive wheel member (DW). Said brake arrangement (300) is configured to be journaled in bearings in connection to an outer portion (40a) of the drive axle (40) protruding from the outer side (10a) of said track support beam (10).
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公开(公告)号：WO2022203585A1
公开(公告)日：2022-09-29
申请号：PCT/SE2022/050285
申请日：2022-03-24
Applicant: BAE SYSTEMS HÄGGLUNDS AKTIEBOLAG
Inventor： THORÉN, Max , HELLHOLM, Björn , BYBERG, Filip
IPC: B62D55/125 , B60K7/00 , B60T1/00
Abstract: The invention relates to a track assembly (T1, T2) for a tracked vehicle (V). Said track assembly comprises a track support beam (10) configured to support road wheels (RW), a drive wheel member (DW), and a drive arrangement (D) for drive wheel member operation and an endless track (E) disposed around said road wheels (RW) and drive wheel member (DW). Said drive arrangement (D) comprises a brake arrangement (300) for braking the drive wheel member (DW), and a drive axle (40) coaxially arranged relative to a centre axis (Z) of said drive wheel member (DW) for rotating said drive wheel member (DW). Said brake arrangement (300) is configured to be journaled in bearings in connection to a portion of the drive axle (40). Said brake arrangement (300) comprises a torque arm (320) configured to be connected to said track support beam (10) so as to essentially prevent rotation of a brake housing (310) of said brake arrangement (300) about said centre axis (Z).
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