WO2012174992A1 - Châssis pour véhicule électrique à charge importante - Google Patents

Châssis pour véhicule électrique à charge importante Download PDF

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Publication number
WO2012174992A1
WO2012174992A1 PCT/CN2012/076819 CN2012076819W WO2012174992A1 WO 2012174992 A1 WO2012174992 A1 WO 2012174992A1 CN 2012076819 W CN2012076819 W CN 2012076819W WO 2012174992 A1 WO2012174992 A1 WO 2012174992A1
Authority
WO
WIPO (PCT)
Prior art keywords
longitudinal beam
longitudinal girder
frame
piece
cross member
Prior art date
Application number
PCT/CN2012/076819
Other languages
English (en)
Chinese (zh)
Inventor
李辉
Original Assignee
Li Hui
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 Li Hui filed Critical Li Hui
Publication of WO2012174992A1 publication Critical patent/WO2012174992A1/fr

Links

Classifications

    • 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
    • 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
    • B62D21/07—Understructures, i.e. chassis frame on which a vehicle body may be mounted wide-hipped frame type, i.e. a wide box-shaped mid portion with narrower sections extending from said mid portion in both fore and aft directions

Definitions

  • the invention belongs to the technical field of vehicle engineering, and in particular relates to a heavy-duty electric vehicle chassis.
  • the existing non-loaded vehicle chassis is in the form of channel steel, that is, the longitudinal beam and the plurality of beams are riveted.
  • the chassis is mainly loaded under the corresponding weight position according to the position of the weight at the full load state, and cannot be evenly distributed.
  • the bearing is subjected to the pressure of the geometric multiple, which makes the chassis beam fatigue deformation for a long time; at the same time, the channel steel beam structure design of the chassis can not bear the vehicle when turning or left and right bumps
  • the lateral side stress causes distortion of the channel steel beam, and the vehicle chassis has a short service life and poor carrying capacity.
  • An object of the present invention is to provide a heavy-duty electric vehicle chassis which is simple in structure, uniform in force, strong in carrying capacity, stable in driving, safe and reliable.
  • a heavy-duty electric vehicle chassis including a frame, which is composed of a left single-piece longitudinal beam, a right single-piece longitudinal beam and a beam, and a left single-piece longitudinal beam and The right single longitudinal beam is connected by a beam;
  • the left single longitudinal beam comprises a left upper longitudinal beam and a left lower longitudinal beam, and the left upper longitudinal beam and the left lower longitudinal beam are connected by a left vertical beam and a left oblique beam, and some left vertical beams and left oblique beams and upper left
  • the longitudinal beam or the lower left longitudinal beam constitutes a triangle;
  • the right single longitudinal beam comprises a right upper longitudinal beam and a right lower longitudinal beam, and the upper right longitudinal beam and the right lower longitudinal beam are connected by a right vertical beam and a right oblique beam, and some right vertical beam and right oblique beam
  • the beam includes a front beam, a middle beam and a
  • the front beam includes a first front beam and a second front beam spaced apart, the first front beam is lower than the second front beam;
  • the middle beam includes a first middle beam and a second middle beam spaced apart, the first middle beam is high
  • the rear beam includes the room The first rear beam and the second rear beam are spaced apart, and the first middle beam, the second middle beam, the first rear beam and the second rear beam are equal in height.
  • a left sub-frame and a right sub-frame are respectively arranged on the outer middle part of the left single-piece longitudinal beam and the right single-piece longitudinal beam, and the left sub-frame and the left single-piece longitudinal beam form a square frame, the right sub-frame and the right single piece
  • the stringers form a square frame.
  • the frame is equipped with a drive assembly comprising six components of a motor, a motor controller, a transmission, a drive shaft, a drive rear axle and a power battery.
  • the motor is mounted on the inside of the left single longitudinal beam and the right single longitudinal beam.
  • the motor is connected to the motor controller.
  • the rear of the motor is connected to the transmission, the drive shaft and the drive rear axle.
  • the rear axle is driven across the rear of the frame.
  • the power batteries are respectively arranged between the first front beam and the second front beam, between the first middle beam and the second middle beam, in the square frame formed by the left sub-frame and the left single-piece longitudinal beam, and the right sub-car
  • the frame is framed in a square frame with a single monolithic stringer.
  • the present invention includes a frame and a drive assembly, the frame being composed of a left single longitudinal beam, a right single longitudinal beam and a beam, and the left single longitudinal beam and the right single longitudinal beam are connected by a beam;
  • the longitudinal beam comprises a left upper longitudinal beam and a left lower longitudinal beam, and the left upper longitudinal beam and the left lower longitudinal beam are connected by a left vertical beam and a left oblique beam, and some of the left vertical beam and the left oblique beam and the left upper longitudinal beam or the left lower longitudinal beam form a triangle;
  • the longitudinal beam comprises a right upper longitudinal beam and a right lower longitudinal beam, and the upper right longitudinal beam and the right lower longitudinal beam are connected by a right vertical beam and a right oblique beam, and some of the right vertical beam and the right oblique beam and the right upper longitudinal beam or the right lower longitudinal beam form a triangle;
  • the beam comprises a front beam, a middle beam and a rear beam.
  • the invention has the advantages of simple structure and light weight, which not only ensures the strength of the beam but also provides a power battery box, and can better distribute the gravity to the frame when the vehicle is fully loaded. At each point, the frame is evenly stressed, which improves the bearing capacity and service life of the frame.
  • the left vertical beam and the left oblique beam and the left upper longitudinal beam or the left lower longitudinal beam form a triangle, part of the right vertical beam and the right oblique beam.
  • With upper right The beam or the right lower longitudinal beam forms a triangle, which fully utilizes the characteristics of the triangle to quickly absorb various stresses generated under special conditions, resists lateral lateral stress generated by the vehicle under turning and bad roads, prevents distortion of the frame, and ensures stable running of the vehicle. , can greatly improve vehicle safety.
  • the front beam includes a first front beam and a second front beam spaced apart, the first front beam is lower than the second front beam; the middle beam includes a first middle beam and a second middle beam spaced apart, the first middle beam is high In the second front beam; the use of the front axle of the drop facilitates the layout of the cab, which improves the rationality of the layout of the vehicle.
  • the power batteries are respectively arranged in the square frame between the first front beam and the second front beam, between the first middle beam and the second middle beam, the left sub-frame and the left single-piece longitudinal beam, and the right sub-car
  • the square frame formed by the frame and the right single-piece longitudinal beam ensures the weight ratio of the front and rear bridges.
  • the battery pack between the first middle beam and the second middle beam is set by the wheel-span installation method, and includes most of the power.
  • the battery so that the center of gravity of the vehicle is located in the middle and lower parts of the vehicle, can ensure the axle load ratio of the vehicle, and facilitate the layout of the vehicle body and the maintenance and replacement of the battery.
  • the invention has wide application range and can be applied to various special vehicles and different vehicle modifications.
  • Figure 1 is a schematic view of the structure of the present invention.
  • the heavy-duty electric vehicle chassis shown in Fig. 1 comprises a frame and a drive assembly.
  • the frame is composed of a left single longitudinal beam, a right single longitudinal beam and a cross beam, and the left single longitudinal beam comprises a left upper longitudinal beam 61 and
  • the left lower longitudinal beam 131, the upper left longitudinal beam 61 and the left lower longitudinal beam 131 are connected by the left vertical beam 22 and the left oblique beam 24, and the partial left vertical beam 22 and the left oblique beam 24 form a triangle with the left upper longitudinal beam 61 or the left lower longitudinal beam 131;
  • the monolithic longitudinal beam comprises a right upper longitudinal beam 6 and a right lower longitudinal beam 13, and the right upper longitudinal beam 6 and the right lower longitudinal beam 13 are connected by a right vertical beam 23 and a right oblique beam 25, a part of the right vertical beam 23 and the right oblique beam 25 and the upper right beam
  • the stringer 6 or the right lower rail 13 constitutes a triangle.
  • the beam comprises a front beam, a middle beam and a rear beam, the front beam comprising a first front beam 7 and a second front beam 8 spaced apart, the first front beam 7 being lower than the second front beam 8; the middle beam comprising a first interval
  • the middle cross member 9 and the second middle cross member 10 the first middle cross member 9 is higher than the second front cross member 8;
  • the rear cross member includes a first rear cross member 11 and a second rear cross member 12, the first middle cross member 9, the second middle portion
  • the beam 10, the first rear beam 11 and the second rear beam 12 are equal in height; the use of the front bridge of the drop facilitates the arrangement of the cab, which can improve the rationality of the layout of the whole vehicle.
  • the left single longitudinal beam and the right single longitudinal beam are connected by a first front cross member 7, a second front cross member 8, a first middle cross member 9, a second middle cross member 10, a first rear cross member 11 and a second rear cross member 12.
  • a left sub-frame 15 and a right sub-frame 14 are respectively disposed at the outer middle of the left single-piece longitudinal beam and the right single-piece longitudinal beam, and the left sub-frame 15 and the left single-piece longitudinal beam form a square frame, and the right sub-frame 14 and The right single-piece stringer forms a square frame.
  • a front spring plate 19 and a rear spring plate 20 are provided below the left single-piece stringer and the right single-piece stringer, and tires 21 are provided outside the left single-piece stringer and the right single-piece stringer.
  • the drive assembly includes six components of a motor 1, a motor controller 2, a transmission 3, a drive shaft 4, a drive rear axle 5, and a power battery.
  • the motor 1 is fixedly mounted on the left monolithic stringer and the right monolith using an elastic shock absorbing original.
  • the front side of the longitudinal beam, that is, the rear of the second front cross member 8, ensures the stability and reliability of the output torque of the motor 1.
  • the motor 1 is connected to the motor controller 2, and the rear of the motor 1 is connected to the transmission 3, the drive shaft 4 and the drive rear axle 5, and the rear axle 5 is driven across the rear of the frame.
  • the power battery includes a battery pack 16, a battery pack 17, and a battery pack 18.
  • the battery pack 16 is fixedly mounted between the first front cross member 7 and the second front cross member 8 to ensure the weight ratio of the front and rear axles;
  • the inter-installation mode is arranged between the first middle cross member 9 and the second middle cross member 10.
  • the battery pack 17 includes most of the power battery, so that the center of gravity of the vehicle is located below the whole vehicle, which can ensure the axle load ratio of the vehicle, and is convenient for the vehicle body. Arrangement and maintenance and replacement of the battery;
  • the battery pack 18 is disposed in a square frame formed by the left sub-frame 15 and the left monolithic stringer and in a square frame formed by the right sub-frame 14 and the right single-piece stringer.
  • the left single-piece stringer, the right single-piece stringer and the beam are composed of a high-quality square tube or a round tube.
  • the invention can better distribute gravity to each point of the frame under the full load state of the vehicle, and ensure the force of the frame. Uniformity improves the load carrying capacity and service life of the frame.
  • the left vertical beam 22 and the left diagonal beam 24 and the left upper longitudinal beam 61 or the left lower longitudinal beam 131 form a triangle, a part of the right vertical beam 23 and the right oblique beam 25 and the right upper longitudinal beam. 6 or the right lower longitudinal beam 13 constitutes a triangle, which fully utilizes the characteristics of the triangle to quickly absorb various stresses generated under special conditions, resists lateral lateral stress generated by the vehicle traveling under turning and bad roads, prevents distortion of the frame, and ensures vehicle stability. travel.
  • the cab assembly can be installed above the front of the frame of the present invention, and the rear of the frame is mainly used for installing the rear axle assembly and providing modification space.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

La présente invention se rapporte à un châssis pour véhicule électrique à charge importante, comprenant une armature composée d'une poutre longitudinale monobloc gauche, d'une poutre longitudinale monobloc droite et de traverses, la poutre longitudinale monobloc gauche et la poutre longitudinale monobloc droite étant reliées à l'aide des traverses. La poutre longitudinale monobloc gauche comprend une poutre longitudinale supérieure (61) et une poutre longitudinale inférieure (131), la poutre longitudinale supérieure (61) et la poutre longitudinale inférieure (131) étant reliées à l'aide de supports verticaux (22) et de supports inclinés (24), certains des supports verticaux (22) et des supports inclinés (24) formant un triangle avec la poutre longitudinale supérieure (61) ou avec la poutre longitudinale inférieure (131). La poutre longitudinale monobloc droite comprend une poutre longitudinale supérieure (6) et une poutre longitudinale inférieure (13), la poutre longitudinale supérieure (6) et la poutre longitudinale inférieure (13) étant reliées à l'aide de supports verticaux (23) et de montants inclinés (25), certains des supports verticaux (23) et des supports inclinés (25) formant un triangle avec la poutre longitudinale supérieure (6) ou avec la poutre longitudinale inférieure (13). Les traverses comprennent une traverse avant, une traverse intermédiaire et une traverse arrière. Des ressorts à lames se situent sous la poutre longitudinale monobloc gauche et sous la poutre longitudinale monobloc droite, et des pneus (21) se situent sur l'extérieur de la poutre longitudinale monobloc gauche et de la poutre longitudinale monobloc droite. La structure du châssis est simple et l'armature supporte le poids de façon uniforme et a une importante capacité de support, ce qui permet d'offrir une longue durée de vie, de garantir un déplacement de véhicule stable et d'augmenter considérablement la sécurité du véhicule.
PCT/CN2012/076819 2011-06-24 2012-06-13 Châssis pour véhicule électrique à charge importante WO2012174992A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201110172416A CN102303644A (zh) 2011-06-24 2011-06-24 一种重载荷电动汽车底盘
CN201110172416.8 2011-06-24

Publications (1)

Publication Number Publication Date
WO2012174992A1 true WO2012174992A1 (fr) 2012-12-27

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PCT/CN2012/076819 WO2012174992A1 (fr) 2011-06-24 2012-06-13 Châssis pour véhicule électrique à charge importante

Country Status (2)

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CN (1) CN102303644A (fr)
WO (1) WO2012174992A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112776920A (zh) * 2021-03-16 2021-05-11 奇瑞汽车股份有限公司 汽车的平台架构

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102303644A (zh) * 2011-06-24 2012-01-04 李辉 一种重载荷电动汽车底盘
CN103587581B (zh) * 2013-11-29 2016-03-30 东莞中山大学研究院 一种轻量化中巴车的双层底盘架结构
CN105128938A (zh) * 2015-09-08 2015-12-09 上海瑞华(集团)有限公司 一种纯电动公交车底盘系统装置
CN106553513A (zh) * 2015-09-29 2017-04-05 比亚迪股份有限公司 扫路车
CN106183798A (zh) * 2016-08-23 2016-12-07 合肥工业大学 一种板簧悬架底盘纯电动力传动系统架构
CN107719093A (zh) * 2017-10-09 2018-02-23 北京华田汽车科技有限公司 一种中置多包电池系统底盘布置结构
CN108238107A (zh) * 2018-02-14 2018-07-03 常州科研试制中心有限公司 矿用电动车
JP6516232B1 (ja) * 2018-12-05 2019-05-22 株式会社ｅ−Ｇｌｅ 電気自動車用の車台、及び、電気自動車
KR20210075697A (ko) * 2019-12-13 2021-06-23 현대자동차주식회사 트럭 샤시프레임
CN115571222A (zh) * 2022-09-30 2023-01-06 东风商用车有限公司 一种电动卡车的底盘及电动卡车

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020066184A1 (en) * 2000-12-01 2002-06-06 Johnnie Crean Method of fabricating a motorhome
JP2006044400A (ja) * 2004-08-03 2006-02-16 Phiaro Inc 電気自動車用シャシフレーム構造およびこれを用いた車両
CN201183525Y (zh) * 2007-12-25 2009-01-21 上海英卡汽车技术有限公司 电动微型车车架
WO2010081997A2 (fr) * 2009-01-16 2010-07-22 Heuliez Concord Chassis de vehicule avec logement de dispositif de stockage d'energie
CN102303644A (zh) * 2011-06-24 2012-01-04 李辉 一种重载荷电动汽车底盘
CN202130495U (zh) * 2011-06-24 2012-02-01 李辉 一种重载荷电动汽车底盘

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3599075B2 (ja) * 1996-04-23 2004-12-08 本田技研工業株式会社 小型車両の車体フレーム装置
GB9700931D0 (en) * 1997-01-17 1997-03-05 Robert Wright & Son Coachworks Low floor bus
US5921615A (en) * 1997-08-29 1999-07-13 National R.V., Inc. Durable, open, and accessible recreational vehicle subfloor construction
CN1127416C (zh) * 2000-11-03 2003-11-12 深圳明华环保汽车有限公司 复合电动环保汽车
US6652003B2 (en) * 2001-10-10 2003-11-25 Fleetwood Enterprises, Inc. Travel trailer chassis with extended axle support
CN2587686Y (zh) * 2002-11-28 2003-11-26 傅剑先 超低地板的城市客车
CN1212249C (zh) * 2003-06-11 2005-07-27 郭义 远轴距、短后悬电动客车底盘
US7097232B2 (en) * 2004-09-07 2006-08-29 Prevost Car Inc. Truss for a vehicle chassis
CN100404347C (zh) * 2006-07-03 2008-07-23 安徽安凯汽车股份有限公司 一种全承载车身
CN101503099B (zh) * 2009-03-12 2011-01-26 中通客车控股股份有限公司 大型矩形管底架的大客车全承载车身
CN101531210B (zh) * 2009-04-17 2010-11-03 东风汽车有限公司 极限工况车底盘
CN101602378B (zh) * 2009-06-30 2013-05-08 江苏友邦精工实业有限公司 用于公路客车和旅游客车的车架大梁
CN101700790B (zh) * 2009-07-08 2012-05-30 丹东黄海汽车有限责任公司 复合式全承载客车车身
CN201694248U (zh) * 2009-11-18 2011-01-05 杨水平 一种具有低地板及全桁架结构的高效电动客车底盘
CN201694244U (zh) * 2010-03-29 2011-01-05 裘宇朝 一种纯电动汽车的底盘结构
CN102001363B (zh) * 2010-11-15 2012-02-22 吉林大学 全承载纯电动客车车身结构

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020066184A1 (en) * 2000-12-01 2002-06-06 Johnnie Crean Method of fabricating a motorhome
JP2006044400A (ja) * 2004-08-03 2006-02-16 Phiaro Inc 電気自動車用シャシフレーム構造およびこれを用いた車両
CN201183525Y (zh) * 2007-12-25 2009-01-21 上海英卡汽车技术有限公司 电动微型车车架
WO2010081997A2 (fr) * 2009-01-16 2010-07-22 Heuliez Concord Chassis de vehicule avec logement de dispositif de stockage d'energie
CN102303644A (zh) * 2011-06-24 2012-01-04 李辉 一种重载荷电动汽车底盘
CN202130495U (zh) * 2011-06-24 2012-02-01 李辉 一种重载荷电动汽车底盘

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112776920A (zh) * 2021-03-16 2021-05-11 奇瑞汽车股份有限公司 汽车的平台架构

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