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WO2017109009A1 - Ensemble châssis roulant pour un véhicule - Google Patents

Ensemble châssis roulant pour un véhicule Download PDF

Info

Publication number
WO2017109009A1
WO2017109009A1 PCT/EP2016/082264 EP2016082264W WO2017109009A1 WO 2017109009 A1 WO2017109009 A1 WO 2017109009A1 EP 2016082264 W EP2016082264 W EP 2016082264W WO 2017109009 A1 WO2017109009 A1 WO 2017109009A1
Authority
WO
WIPO (PCT)
Prior art keywords
chassis
members
frame
longitudinal
rolling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2016/082264
Other languages
English (en)
Inventor
Tomas Mccabe
Gary Fitzpatrick
Rebecca BYRNE
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Technology Investments Ltd
Original Assignee
Technology Investments Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Technology Investments Ltd filed Critical Technology Investments Ltd
Publication of WO2017109009A1 publication Critical patent/WO2017109009A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G7/00—Pivoted suspension arms; Accessories thereof
    • B60G7/02—Attaching arms to sprung part of vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/12—Understructures, i.e. chassis frame on which a vehicle body may be mounted assembled from readily detachable parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G3/00—Resilient suspensions for a single wheel
    • B60G3/18—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram
    • B60G3/20—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram all arms being rigid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00—Indexing codes relating to suspension types
    • B60G2200/10—Independent suspensions
    • B60G2200/14—Independent suspensions with lateral arms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00—Indexing codes relating to suspension types
    • B60G2200/10—Independent suspensions
    • B60G2200/14—Independent suspensions with lateral arms
    • B60G2200/144—Independent suspensions with lateral arms with two lateral arms forming a parallelogram
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00—Indexing codes relating to suspension types
    • B60G2200/40—Indexing codes relating to the wheels in the suspensions
    • B60G2200/422—Driving wheels or live axles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00—Indexing codes relating to suspension types
    • B60G2200/40—Indexing codes relating to the wheels in the suspensions
    • B60G2200/44—Indexing codes relating to the wheels in the suspensions steerable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10—Mounting of suspension elements
    • B60G2204/14—Mounting of suspension arms
    • B60G2204/143—Mounting of suspension arms on the vehicle body or chassis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10—Mounting of suspension elements
    • B60G2204/15—Mounting of subframes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/44—Centering or positioning means
    • B60G2204/4402—Spacers or shims
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/61—Adjustable during maintenance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/011—Modular constructions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/011—Modular constructions
    • B60G2206/0114—Independent suspensions on subframes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/60—Subframe construction
    • B60G2206/604—Subframe construction with two parallel beams connected by cross members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2300/00—Indexing codes relating to the type of vehicle
    • B60G2300/02—Trucks; Load vehicles
    • B60G2300/026—Heavy duty trucks
    • B60G2300/0262—Multi-axle trucks

Definitions

  • This invention relates to a rolling chassis assembly for a vehicle.
  • the present invention is particularly concerned with heavy vehicles of the type incorporating independent suspension systems, and to this type of heavy vehicle for use in both motorway and off-road conditions. It is an object of the invention to provide an improved chassis construction for such heavy vehicles which facilitates efficient and cost effective manufacture whilst allowing flexibility in the chassis design such that it is readily adaptable to a number of configurations to suit a range of different vehicles. It is also an object of the invention to provide a chassis which facilitates access to drive transmission and suspension elements mounted thereon for maintenance and/or repair in use.
  • a rolling chassis assembly for a vehicle, including: a chassis frame having a pair of substantially parallel spaced-apart longitudinal chassis members interconnected by two or more spaced-apart transverse chassis members extending between the longitudinal chassis members, a plurality of spaced-apart vehicle body mounting brackets on the chassis frame, a plurality of spaced-apart wheel stations on the chassis frame, the wheel stations arranged in associated pairs of wheel stations, each pair of wheel stations comprising two aligned wheel stations on opposite sides of the longitudinal chassis members interconnected by a pair of spaced-apart transverse chassis members extending between said longitudinal chassis members to form a rigid wheel support frame on the chassis frame, each wheel station comprising means for mounting a wheel on the chassis by an independent suspension assembly, at least one demountable support module associated with a pair of wheel stations, said demountable support module nestably engaged within the longitudinal chassis members and extending between and demountabry secured to said longitudinal chassis members between said wheel stations.
  • the demountable support module comprises a
  • At least one of the support module cross members is mounted at or adjacent a transverse chassis member. In another arrangement, both of the support module cross members are mounted at or adjacent transverse chassis members.
  • each support module cross member is movable downwardly out of engagement with the longitudinal chassis members for disengagement therefrom.
  • each support module cross member is bolted to inside faces of the longitudinal chassis members.
  • one or more shims are mounted between an outer end of each support module cross member and the inside face of the longitudinal chassis member with which it engages.
  • each longitudinal chassis member defines an inwardly facing channel, a mounting block retained in said channel and projecting inwardly of the channel, each support module cross member having an outer end wall at each end, said outer end walls being bolted to the mounting blocks.
  • one or both of the support module cross members form the transverse chassis members at each wheel support frame.
  • the chassis frame comprises a composite chassis frame comprising two or more interconnected chassis subframes, each chassis subframe having a pair of spaced-apart longitudinal side frame members interconnected by two or more spaced-apart transverse cross members.
  • chassis subframes are interconnected by longitudinal load bearing members.
  • each longitudinal load bearing member comprises an elongate tubular body having flanged ends for abutting and engaging an outer face of the subframe transverse cross members.
  • each longitudinal load bearing member comprises an elongate rail which engages and extends alongside the longitudinal side frame members.
  • steering stops are mounted on the longitudinal load bearing members for cooperation with a steering system mounted on the rolling chassis assembly.
  • the independent suspension assembly comprises an upper suspension arm and an associated lower suspension arm supporting a wheel by means of a wheel hub mounted between outer ends of the suspension arms, inner ends of the suspension arms being pivotally mounted at an outer side of the longitudinal chassis members.
  • inner ends of the suspension arms are mounted on the chassis by spherical bearings.
  • the rolling chassis assembly includes a driveline mounted on the chassis frame and drivably connected to wheels at an associated pair of wheel stations.
  • the rolling chassis assembly includes a steering system mounted on the chassis frame and opera bly connected to at least one pair of steerable wheels mounted on a chassis frame.
  • the rolling chassis assembly includes a power pack which is drivably connected by an associated driveline to at least one pair of wheels mounted on a chassis frame.
  • Fig. 1 is a perspective view of a composite rolling chassis assembly for a vehicle according to the invention
  • Fig. 2 is a plan view of the rolling chassis assembly
  • Fig. 3 is an elevational view of the rolling chassis
  • Fig. 4 is an end elevational view showing a front end of the rolling chassis assembly
  • Fig. 5 is a detail exploded perspective view of the front end of the rolling chassis assembly
  • Fig. 6 is a detail perspective view showing a chassis frame of the rolling chassis assembly
  • Fig. 7 is a plan view of the chassis frame
  • Fig. 8 is an elevational view of the chassis frame
  • Fig. 9 is an end elevational view showing a front end of the chassis frame
  • Fig. 10 is an end elevational view showing the rear end of the chassis frame
  • Fig. 11 is an enlarged detail partially sectioned elevational view showing portion of the chassis frame
  • Fig. 12 is an enlarged detail partially sectioned view of portion of the chassis frame
  • Fig. 13 is a perspective view of another chassis frame according to the invention
  • Fig. 14 is a plan view of the chassis frame shown in Fig. 13;
  • Fig. 15 is an elevational view of the chassis frame shown in Fig. 13;
  • Fig. 16 is an end elevational view showing a front end of the chassis frame shown in Fig. 13;
  • Fig. 17 is an end elevational view showing a rear end of the chassis frame shown in Fig. 13;
  • Fig. 18 is a perspective view of another chassis frame according to the invention.
  • Fig. 19 is a plan view of the chassis frame shown in Fig. 18;
  • Fig. 20 is a an elevational view of the chassis frame shown in Fig. 18;
  • Fig. 21 is an end elevational view showing a front end of the chassis frame shown in Fig. 18;
  • Fig. 22 is an end elevational view showing a rear end of the chassis frame shown in Fig. 18;
  • Fig. 23 is a perspective view of another chassis frame according to the invention.
  • Fig. 24 is a plan view of the chassis frame shown in Fig.23;
  • Fig. 25 is an elevational view of the chassis frame shown in Fig. 23;
  • Fig. 26 is an end elevational view showing a front end of the chassis frame shown in Fig. 23;
  • Fig. 27 is an end elevational view showing a rear end of the chassis frame shown in Fig. 23;
  • Fig. 28 is a perspective view of another chassis frame according to the invention.
  • Fig. 29 is a plan view of the chassis frame shown in Fig. 28;
  • Fig. 30 is an elevational view of the chassis frame shown in Fig. 28;
  • Fig. 31 is an end elevational view showing a front end of the chassis frame shown in Fig.28;
  • Fig. 32 is an end elevational view showing a rear end of the chassis frame shown in Fig. 28;
  • Fig 33 is a perspective view of another chassis frame according to the invention
  • Fig. 34 is an elevational view of the chassis frame shown in Fig. 33
  • Fig. 35 is an enlarged plan view of the chassis frame shown in Fig. 33
  • Fig. 36 is a sectional view taken along the line A-A of Fig. 35.
  • the composite rolling chassis assembly 1 comprises a chassis frame 2 mounted on wheels 3.
  • the chassis frame 2 is of composite construction and includes a number of chassis subframes which are bolted together.
  • the chassis subframes comprise a front chassis subframe 5, a central chassis subframe 6 and a rear chassis subframe 7, the front chassis subframe 5 and rear chassis subframe 7 being similar.
  • a number of vehicle body mounting brackets 8 are mounted spaced-apart on the chassis frame 2, each subframe 5, 6, 7 having a number of said vehicle body mounting brackets 8 thereon.
  • At least one wheel station is provided at each side of each subframe 5, 6, 7 for mounting the wheels 3 on the chassis frame 2.
  • the embodiment shown has eight wheel stations 10, that is two on each of the front chassis subframe 5 and rear chassis subframe 7 and four on the central chassis subframe 6.
  • a driveline is mounted on the chassis frame 2 for delivering power from a powerpack (not shown) to the wheels 3.
  • the driveline 12 includes a number of drive axles, described later, mounted on the subframes 5, 6, 7.
  • a steering system is mounted on the chassis frame 2 and connects between a steering wheel 15 and each wheel 3 for steering the wheels 3 on the chassis frame 2. Whilst this is an all-wheel steer arrangement, it will be appreciated that in some other embodiments of the invention only some of the wheels 3 are steerable, sufficient to manoeuvre the vehicle.
  • the chassis subframe 5 has a pair of substantially parallel spaced-apart longitudinal side frame members 20 interconnected at each end by a pair of spaced-apart transverse cross-members 22 to form a rigid rectangular wheel support frame 21 on the chassis frame 2 associated with the wheel stations 10.
  • Vehicle body mounting brackets 8 are mounted at a front and at a rear end of the longitudinal side frame members 20 at a top 23 and at an outer side 24 of the longitudinal side frame members 20.
  • the vehicle body mounting brackets 8 may extend above the top 23 and may be angled.
  • each longitudinal side frame member 20 there is mounted a pair of spaced-apart upper suspension pivot mounts 25 and a pair of spaced-apart lower suspension pivot mounts 26 forming portion of a wheel mounting station 10.
  • Each pivot mount 25, 26 is formed by a straddle bearing or spherical bearing.
  • a demountable support module associated with the wheel stations 10 of the front sub- frame 5 comprises a complementary pair of spaced-apart support module cross members, namely an outer support module cross member 27 and an inner support module cross member 28, each of which is bolted to the longitudinal side frame members 20.
  • the support module cross members 27, 28 nestably engage within the wheel support frame 21, extending between and demountably attached to the longitudinal side frame members 20.
  • the support module cross members 27, 28 are mounted adjacent the transverse chassis members 22. The rigidity of the wheel support frame 21 is thus enhanced by the support module cross members 27, 28.
  • Each support module cross member 27, 28 is movable downwardly out of engagement with the longitudinal side frame members 20 for disengagement therefrom as shown in Fig. 5.
  • the rear chassis subframe 7 is of similar construction to the chassis subframe 5 and like parts have been assigned the same reference numerals.
  • the chassis subframe 6 has a pair of substantially parallel spaced-apart longitudinal side frame members 30.
  • a transverse chassis member 32 is provided at each end of the longitudinal side frame members 30 to form a rigid rectangular central chassis subframe 6.
  • An outer support module cross member 33 and an associated inner support module cross member 34 nestably engage within the central chassis subframe 6 at front and rear ends thereof defining wheel support frames 21 associated with the wheel stations 10.
  • the support module cross members 33, 34 extend between and are demountably attached to the longitudinal side frame members 30.
  • the outer support module cross members 33 are located adjacent the transverse chassis members 32.
  • the transverse chassis members 32 and the support module cross members 33, 34 co-operate with the longitudinal side frame members 30 to form rigid rectangular wheel support frames 21 at the front and rear ends of the central chassis subframe 6.
  • the vehicle body mounting brackets 8 are located at these wheel support frames 21 on the chassis frame 2, and most preferably in alignment with the support module cross members 27, 28, 33 , 34.
  • Additional transverse chassis members 29, which may or may not be demountable, are mounted on the central chassis subframe 6, extending between the longitudinal side frame members 30 and located between the wheel support frames 21.
  • Each longitudinal load bearing member 35 comprises an elongate tubular body 36 having flanged ends 37 which abut and engage and are bolted to outer faces 38 of the subframe cross members 22, 32 to align the subframes 5, 6, 7 and join them together to form a rigid composite chassis frame 2.
  • the length of the load bearing member body 36 may be chosen to provide any desirable wheelbase spacing between drive axles mounted at each end of the central chassis subframe 6 and drive axles mounted on the front chassis subframe 5 and rear chassis subframe 7.
  • Steering stops 39 associated with the steering system 14 may be incorporated in the longitudinal load bearing members 35.
  • each support module cross member 27, 28 is mounted between the longitudinal side frame members 20 for supporting a drive axle 62 between the longitudinal side frame members 20.
  • Each support module cross member 27, 28 is secured in similar fashion to the longitudinal side frame members 20.
  • the support module cross member 27, 28 extends between the longitudinal side frame members 20.
  • Outer end walls 41 of the support module cross member 28 are bolted by means of bolts 42 to inside faces of the longitudinal side frame members 20.
  • Each longitudinal side frame member 20 defines an inwardly facing channel 44 with a mounting block 45 retained in the channel 44 and projecting inwardly of the channel 44.
  • the outer end walls 41 of the support module cross member 28 are bolted to the mounting blocks 45.
  • Shims 46 may be mounted between the outer end wall 41 of the support module cross member 28 and an inside face of the mounting block 45 on the longitudinal side frame member 20.
  • Mounting bolts 47 are engagable through holes in a side wall of the longitudinal side frame members 20 with complementary threaded sockets 48 in the mounting blocks 45 for mounting the lower suspension pivot mounts 26 on the side frame members 20 at each side of the front chassis subframe 5.
  • releasing the bolts 42 allows the support module cross member 27, 28 to drop down out of engagement with the longitudinal side frame members 20 (as shown in Rg. 5) to facilitate access to, or removal of, the drive axle which is supported in use by the support module cross members 27, 28 between the longitudinal side frame members 20. This conveniently allows access to the drive axle 62 without interfering with the wheel stations 10.
  • Similar mounting arrangements are provided for the support module cross members 27, 28 on the rear chassis subframe 7 and the support module cross members 33, 34 on the central chassis subframe 6.
  • each wheel station 10 provides an independent suspension assembly 49 having an upper suspension arm 50 and an associated lower suspension arm 51 supporting a wheel 3 by means of a wheel hub 52 mounted between outer ends of the suspension amis 50, 51.
  • An inner end of the upper suspension arm 50 is mounted between the upper suspension pivot mounts 25 (Fig. 8) and an inner end of the lower suspension arm 51 is pivotally mounted on the lower suspension pivot mounts 26 on the outer side of the longitudinal side frame member 20, 30.
  • the driveline 12 shown is of similar configuration to that described in our previous Patent No. EP1231093 and comprises a through drive axle with transfer case 60 mounted on the central chassis subframe 6 which drivably connects forward ly through a first propshaft 61 with a front final drive axle 62 mounted on the front chassis subframe 5 and rearward ly drivably connects through a second propshaft 63 with a through drive axle 64 mounted at a rear end of the central chassis subframe 6 which in turn drivably connects through a third propshaft 66 with a rear final drive axle 67 on the rear chassis subframe 7.
  • Each drive axle 60, 62, 64, 67 is supported between the longitudinal side frame members 20, 30 of the chassis subframe 5, 6, 7 on which is mounted by the support module cross members 27, 28, 33, 34 for driveable connection via drive shafts 69 (Figs. 4 and 5) with the hubs 52 on which the wheels 3 are mounted. Openings 70 in the longitudinal side frame members 20, 30 allow through passage of the drive shafts 69. These openings 70 may not be required if a hybrid drive option is chosen for the vehicle.
  • the chassis subframes 5, 6, 7 are welded structures which are bolted together to form the rigid chassis frame 2. This is convenient for manufacture and varying vehicle width and wheelbase configurations are readily possible. Each chassis subframe 5, 6, 7 forms a rigid welded structure for mounting suspension, driveline and steering assemblies. The chassis subframes 5, 6, 7 are then bolted together using longitudinal load bearing members 35 as required to provide a rolling chassis 1.
  • the rolling chassis 1 provides a common platform for a number of vehicle body designs. Referring now to Figs. 13 to 17 there is shown a chassis frame indicated generally by the reference numeral 72 of another composite rolling chassis assembly for a vehicle according to the invention. Parts similar to those described previously are assigned the same reference numerals.
  • chassis frame 72 is formed by the front chassis subframe 5 and the central chassis subframe 6 interconnected by longitudinal load bearing members 35 to form a composite chassis frame 72 with six wheel stations 10, that is, with three wheel stations 10 on each side of the chassis frame 72 of the composite rolling chassis assembly.
  • Figs. 18 to 22 there is shown a chassis frame indicated generally by the reference numeral 75 of another composite rolling chassis assembly for a vehicle, Parts similar to those described previously are assigned the same reference numerals.
  • the front chassis subframe 5 and the rear chassis subframe 7 are interconnected by longitudinal load bearing members 35 to form the chassis frame 75 with four wheel stations 10, that is, two wheel stations 10 on each side of the chassis frame 75 of the composite rolling chassis assembly.
  • FIG. 23 to 27 there is shown another chassis frame according to the invention indicated generally by the reference numeral 80. Parts similar to those described previously are assigned the same reference numerals.
  • the central chassis subframe 6 can be used to form a chassis frame 80 having four wheel stations 10.
  • a further chassis frame according to the invention indicated generally by the reference numeral 90. Parts similar to those described previously are assigned to the same reference numerals.
  • the chassis frame 90 has a pair of spaced-apart substantially parallel longitudinal chassis members 92.
  • pairs of demountable support module cross members 93, 94 are provided to define with the longitudinal chassis members 92 a number of spaced-apart wheel support frames 21 for supporting three pairs of wheel stations 10 on the chassis frame 90.
  • a number of the vehicle mounting brackets 8 are mounted on an outside of the chassis frame 90 in alignment with the support module cross members 93, 94 located between the longitudinal chassis members 92.
  • FIG. 100 there is shown another chassis frame according to the invention indicated generally by the reference numeral 100. Parts similar to those described previously are assigned the same reference numerals.
  • This arrangement shows four spaced-apart wheel support frames 21 with two wheel stations 10 on each wheel support frame 21, that is four wheel stations 10 at each side of the chassis frame 100.
  • An advantage of the rolling chassis assembly of the present invention is that no post-welding machining of the chassis is required.
  • the provision of spherical bearings at inner ends of the upper and lower suspension arms accommodates some misalignment without adversely affecting the performance of the chassis in use.
  • vehicle body mounting brackets could be mounted at any suitable locations on the chassis for supporting a vehicle body on the chassis, it Is preferred that they be mounted adjacent the wheel stations at which locations increased stiffening of the chassis is provided by the transverse structural members and drive axle support members.
  • the vehicle body may be bolted or welded to the mounting brackets.
  • a hybrid drive vehicle might not have a drive axle.
  • in-wheel motors were to be used to drive the vehicle, then power cables would be connected to the motors in the wheel hubs.
  • the steering system may provide steering to a single axle or to multiple axles depending on requirements.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Body Structure For Vehicles (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

L'invention concerne un ensemble châssis roulant (1) comprenant un cadre de châssis (2) avec une pluralité de supports de montage de carrosserie de véhicule (8) au niveau d'un sommet du cadre de châssis (2). Un certain nombre de cadres de support de roue rectangulaires rigides (21) sont espacés sur le cadre de châssis (2), chacun comprenant des emplacements de roue (10) au niveau de côtés opposés du cadre de support de roue (21) pour le montage d'un ensemble de suspension indépendant (49). Un module de support démontable comprenant une paire d'éléments transversaux de module de support (27, 28) supporte un carter d'essieu (62) à l'intérieur du cadre de support de roue (21). Ces module de support et carter d'essieu (62) peuvent chuter hors du cadre de support de roue (21) sans retirer les ensembles de suspension indépendants associés (49). Chaque ensemble de suspension indépendant (49) peut également être retiré du cadre du châssis (2) sans détacher le carter d'essieu (62) du cadre de châssis (2).
PCT/EP2016/082264 2015-12-23 2016-12-21 Ensemble châssis roulant pour un véhicule Ceased WO2017109009A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1522808.3 2015-12-23
GB1522808.3A GB2545728B (en) 2015-12-23 2015-12-23 A rolling chassis assembly for a vehicle

Publications (1)

Publication Number Publication Date
WO2017109009A1 true WO2017109009A1 (fr) 2017-06-29

Family

ID=55311569

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2016/082264 Ceased WO2017109009A1 (fr) 2015-12-23 2016-12-21 Ensemble châssis roulant pour un véhicule

Country Status (3)

Country Link
GB (1) GB2545728B (fr)
IE (1) IE20160281A1 (fr)
WO (1) WO2017109009A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112249162A (zh) * 2020-10-21 2021-01-22 安徽江田环卫设备股份有限公司 一种高缓冲安全型新能源车用车架构
CN113103856A (zh) * 2020-10-13 2021-07-13 东风越野车有限公司 一种混合动力车用框架、动力系统和车辆

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4249351A1 (fr) * 2022-03-21 2023-09-27 Volvo Truck Corporation Assemblage d'élément transversal pour relier deux rails d'un châssis de véhicule

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