CN109733176B - Split type battery pack switching device - Google Patents

Split type battery pack switching device Download PDF

Info

Publication number
CN109733176B
CN109733176B CN201910028599.2A CN201910028599A CN109733176B CN 109733176 B CN109733176 B CN 109733176B CN 201910028599 A CN201910028599 A CN 201910028599A CN 109733176 B CN109733176 B CN 109733176B
Authority
CN
China
Prior art keywords
battery pack
cross beam
split
vehicle body
transmission shaft
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.)
Active
Application number
CN201910028599.2A
Other languages
Chinese (zh)
Other versions
CN109733176A (en
Inventor
韦玉明
赵汉兴
黄志杰
陈祖兴
卿雕
陈海江
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.)
Dongfeng Liuzhou Motor Co Ltd
Original Assignee
Dongfeng Liuzhou Motor Co 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 Dongfeng Liuzhou Motor Co Ltd filed Critical Dongfeng Liuzhou Motor Co Ltd
Priority to CN201910028599.2A priority Critical patent/CN109733176B/en
Publication of CN109733176A publication Critical patent/CN109733176A/en
Application granted granted Critical
Publication of CN109733176B publication Critical patent/CN109733176B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries

Abstract

The invention discloses a split type battery pack switching device, which relates to the technical field of electric automobile manufacturing and comprises a vehicle body and a battery pack, wherein the battery pack is provided with a first split body of the battery pack positioned on one side of a transmission shaft and a second split body of the battery pack positioned on the other side of the transmission shaft; the first split of the battery pack and the second split of the battery pack are connected with the vehicle body, the vehicle body is connected with a switching assembly, the switching assembly comprises two longitudinal beams and a plurality of cross beam plates arranged on the two longitudinal beams, the plurality of cross beam plates are respectively connected with the first split of the battery pack and the second split of the battery pack, and a plurality of transmission shaft mounting plates are arranged between the two longitudinal beams. Compared with the prior art, the invention can solve the problem that the battery pack of the electric automobile driven by the front motor and the rear motor interferes with the transmission shaft when being installed.

Description

Split type battery pack switching device
Technical Field
The invention relates to the technical field of electric automobile manufacturing, in particular to a switching device for a battery pack of an electric automobile.
Background
The traditional battery pack of the electric automobile is provided with an integrated battery pack body and an installation plate arranged at the bottom of the battery pack body; when the battery pack is installed, the battery pack body is fixed in the middle of the vehicle body through bolts penetrating through the installation plate and corresponding bolt installation holes in the vehicle body; therefore, the welding precision requirements of the vehicle body and the mounting plate are high, and the bolt mounting holes on the vehicle body and the mounting plate need to be in one-to-one correspondence; in addition, for the electric automobile with the front motor and the rear wheel drive as shown in fig. 1, because the transmission shaft 12 is arranged between the motor and the rear axle, if the battery pack 2 is arranged in the middle of the automobile body, the battery pack and the transmission shaft have interference phenomena; in addition, the existing battery pack is arranged on the vehicle body through a plate-type peripheral mounting plate, the peripheral mounting plate is thin, and if the vehicle runs on a bumpy road, the vibration of the vehicle body can be transmitted to the battery pack through the peripheral mounting plate, so that the battery pack is easily damaged; how to manufacture a battery pack which is suitable for an electric automobile driven by a front motor and a rear motor and is convenient to install is an urgent problem to be solved by electric automobile practitioners.
Disclosure of Invention
The invention aims to provide a split type battery pack switching device to solve the problem that a battery pack of an electric automobile driven by a front motor and a rear motor interferes with a transmission shaft when being installed.
The technical scheme adopted by the invention for solving the technical problem is as follows: the split type battery pack switching device comprises a vehicle body and a battery pack, wherein the battery pack is provided with a first battery pack split body positioned on one side of a transmission shaft and a second battery pack split body positioned on the other side of the transmission shaft; the first split of the battery pack and the second split of the battery pack are connected with the vehicle body, the vehicle body is connected with a switching assembly, the switching assembly comprises two longitudinal beams and a plurality of cross beam plates arranged on the two longitudinal beams, the plurality of cross beam plates are respectively connected with the first split of the battery pack and the second split of the battery pack, and a plurality of transmission shaft mounting plates are arranged between the two longitudinal beams.
In the above technical solution of the split battery pack adapter, a more specific technical solution may also be: the cross section of the longitudinal beam is circular, the cross section of the transverse beam plate is in a sawtooth shape, and the sawtooth shape is rectangular.
Further: the two longitudinal beams are connected with the vehicle body through a plurality of U-shaped upper connecting plates; the two longitudinal beams are respectively connected with the plurality of cross beam plates through a plurality of U-shaped connecting lower plates.
Further: the first battery pack split body comprises a first shell and a first battery pack split body arranged in the first shell; the battery pack second split body comprises a second shell and a second battery pack split body arranged in the second shell.
Further: the first shell is provided with a plurality of first cross beam plate connecting brackets on two sides, and the first cross beam plate connecting brackets are provided with threaded holes; the first shell is provided with a first vehicle body connecting support at the rear part, the first vehicle body connecting support is provided with a threaded hole, and the first vehicle body connecting support is connected with the vehicle body through a flanged bolt penetrating through the threaded hole; a plurality of second cross beam plate connecting supports are arranged on two sides of the second shell, and threaded holes are formed in the second cross beam plate connecting supports; the second shell is provided with a second vehicle body connecting support at the rear part, the second vehicle body connecting support is provided with a threaded hole, and the second vehicle body connecting support is connected with the vehicle body through a bolt with a flange penetrating through the threaded hole.
Further: a plurality of first long holes are formed in the outer side of one longitudinal beam of the plurality of cross beam plates, and a plurality of second long holes are formed in the outer side of the other longitudinal beam of the plurality of cross beam plates; the plurality of cross beam plates are connected with the first shell through flanged bolts penetrating through threaded holes of the first long hole and the first vehicle body connecting support respectively, and the plurality of cross beam plates are connected with the second shell through flanged bolts penetrating through threaded holes of the second long hole and the second vehicle body connecting support respectively.
Further: the number of the cross beam plates is three; the transmission shaft mounting panel is two, is first transmission shaft mounting panel and second transmission shaft mounting panel in proper order, first transmission shaft mounting panel is established first crossbeam board with between the second crossbeam board, the second transmission shaft mounting panel is established third crossbeam board rear.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following beneficial effects: 1. the battery pack is split into a first split body and a second split body which are symmetrical left and right, and the first split body and the second split body are provided with points connected with the vehicle body; most of the weight of the first split body and the second split body of the battery pack is connected with the vehicle body through the switching assembly, the switching assembly adopts the form of two longitudinal beams and a cross beam plate arranged on the two longitudinal beams, the rigidity and the strength of the whole structure are enhanced, the vehicle body structure and the rear drive form on the whole vehicle are not required to be changed, the space in the vehicle is not occupied, the tail box and the spare tire area are not influenced, and the national collision regulation requirements are met; meanwhile, the transmission shaft can be arranged between the first split body and the second split body of the battery pack through a plurality of transmission shaft mounting plates, and the battery pack cannot interfere with the transmission shaft during installation; the long holes in the cross beam plates are arranged, so that the assembly and disassembly are more convenient; 2. the two battery pack split bodies are respectively connected with the vehicle body through the switching assembly, and the cross beam plate arranged on the longitudinal beam on the switching assembly has a strong supporting effect on the two battery packs, so that the battery pack split bodies are uniformly stressed, and the service life of the battery packs is prolonged; 3. the first split of battery package, battery package second split and automobile body are connected to adoption switching assembly, and are with low costs, the cycle is short, and when no battery package is in kind, can use traditional fuel motorcycle type to carry counter weight mode, strengthen the road test to automobile body structure reliability in advance.
Drawings
Fig. 1 is a schematic view of a transmission shaft of a conventional front-motor rear-wheel-drive electric vehicle.
Fig. 2 is a schematic structural view of a vehicle body according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a battery pack according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a switching assembly according to an embodiment of the present invention.
Fig. 5 is a schematic structural view of a stringer according to an embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
the vehicle body 1 shown in FIG. 2 has a first vehicle longitudinal beam 1-3 and a second vehicle longitudinal beam 1-4, and a first front cross member 1-1, a second front cross member 1-2 and a plurality of rear cross members 1-5 are provided between the first vehicle longitudinal beam 1-3 and the first vehicle longitudinal beam 1-4; as shown in fig. 3, the split battery pack adapter device includes a vehicle body 1 and a battery pack 2, the battery pack 1 of the present embodiment has a first battery pack split body located on one side of a transmission shaft 12 and a second battery pack split body located on the other side of the transmission shaft 12, and the first battery pack split body and the second battery pack split body are connected to the vehicle body through an adapter assembly; the first battery pack split body comprises a first shell 2-1 and a first battery pack split body 2-1-1 arranged in the first shell 2-1, a plurality of first cross beam plate connecting supports 2-1-2 are welded on two sides of the first shell 2-1, and a plurality of threaded holes are formed in the first cross beam plate connecting supports 2-1-2; the rear part of the first shell 2-1 is provided with a first vehicle body connecting bracket 2-1-3, and the first vehicle body connecting bracket 2-1-3 is provided with a plurality of threaded holes; the rear part of the first shell 2-1 is provided with a first vehicle body connecting support 2-1-3, the first vehicle body connecting support 2-1-3 is provided with a threaded hole, and the first vehicle body connecting support 2-1-3 is connected with a rear cross beam 1-5 of the vehicle body 1 through a bolt with a flange penetrating through the threaded hole; the second battery pack split body comprises a second shell 2-2 and a second battery pack split body 2-2-1 arranged in the second shell 2-2, a plurality of second cross beam plate connecting supports 2-2-2 are welded on two sides of the second shell 2-2, and a plurality of threaded holes are formed in the second cross beam plate connecting supports 2-2-2; a second body connecting bracket 2-2-3 is arranged at the rear part of the second shell 2-2, a threaded hole is formed in the second body connecting bracket 2-2-3, and the second body connecting bracket 2-2-3 is connected with a rear cross beam 1-5 of the vehicle body 1 through a bolt with a flange penetrating through the threaded hole; the adapter assembly shown in fig. 4 comprises two longitudinal beams 6 and a plurality of cross beam plates arranged on the two longitudinal beams 6, the cross section of the longitudinal beam 6 of the embodiment is circular so as to be convenient for manufacturing and installation, and the two longitudinal beams 6 are respectively connected with the vehicle body 1 through two U-shaped upper plates 4 and flanged bolts, as shown in fig. 5; the cross sections of the three cross beam plates are all in a sawtooth shape, and the sawtooth shape of the sawtooth shape is rectangular, so that the structure is convenient to manufacture, and the rigidity and the strength of the cross beam plates can be improved; the outer side of one longitudinal beam 6 of the three cross beam plates, namely the first cross beam plate 3, the second cross beam plate 9 and the third cross beam plate 10, is provided with a plurality of first long holes, and the outer side of the other longitudinal beam 6 of the three cross beam plates is provided with a plurality of second long holes; the first cross beam plate 3, the second cross beam plate 9 and the third cross beam plate 10 are connected with the first shell 2-1 through flanged bolts which respectively penetrate through first long holes of the three cross beam plates and threaded holes of the first cross beam plate connecting bracket 2-1-2; the first cross beam plate 3, the second cross beam plate 9 and the third cross beam plate 10 are connected with the second shell 2-2 through flanged bolts which respectively penetrate through second long holes of the three cross beam plates and threaded holes of the second cross beam plate connecting bracket 2-2-2; wherein, two ends of the first cross beam plate 3, two ends of the second cross beam plate 9 and two ends of the third cross beam plate 10 are respectively fixed on the first longitudinal beam 1-3 and the second longitudinal beam 1-4 at two sides of the first front cross beam 1-1 and the second front cross beam 1-2 at the front part of the vehicle body 1 through bolts with flanges; the first cross beam plate 3, the second cross beam plate 9 and the third cross beam plate 10 are respectively connected with the two longitudinal beams 6 through a plurality of U-shaped connecting lower plates 8; the first cross beam plate 3 is respectively connected with the two longitudinal beams 6 through the two U-shaped connecting lower plates 8 and the flanged bolts, the second cross beam plate 9 is respectively connected with the two longitudinal beams 6 through the four U-shaped connecting lower plates 8 and the flanged bolts, and the third cross beam plate 10 is respectively connected with the two longitudinal beams 6 through the four U-shaped connecting lower plates 8 and the flanged bolts; in the embodiment, two transmission shaft mounting plates are arranged between two longitudinal beams 6, the two transmission shaft mounting plates are a first transmission shaft mounting plate 5 and a second transmission shaft mounting plate 7 in sequence, the first transmission shaft mounting plate 5 is arranged on the two longitudinal beams 6 between a first cross beam plate 3 and a second cross beam plate 9 through a connecting plate 5-1, and the second transmission shaft mounting plate 7 is arranged on the two longitudinal beams 6 behind a third cross beam plate 10 through a connecting plate 7-1.
The battery pack is split into a first split body and a second split body which are symmetrical left and right, and the first split body and the second split body are provided with points connected with the vehicle body; most of the weight of the first split body and the second split body of the battery pack is connected with the vehicle body through the switching assembly, the switching assembly adopts the form of two longitudinal beams and a cross beam plate arranged on the two longitudinal beams, the rigidity and the strength of the whole structure are enhanced, the vehicle body structure and the rear drive form on the whole vehicle are not required to be changed, the space in the vehicle is not occupied, the tail box and the spare tire area are not influenced, and the national collision regulation requirements are met; meanwhile, the transmission shaft can be arranged between the first split body of the battery pack and the second split body of the battery pack through the plurality of transmission shaft mounting plates, and the battery pack cannot interfere with the transmission shaft during installation.

Claims (3)

1. The utility model provides a split type battery package switching device, includes automobile body and battery package, its characterized in that: the battery pack is provided with a first battery pack split body positioned on one side of the transmission shaft and a second battery pack split body positioned on the other side of the transmission shaft; the first split body and the second split body of the battery pack are connected with the vehicle body, the vehicle body is connected with a switching assembly, the switching assembly comprises two longitudinal beams and a plurality of cross beam plates arranged on the two longitudinal beams, the cross beam plates are respectively connected with the first split body of the battery pack and the second split body of the battery pack, and a plurality of transmission shaft mounting plates are arranged between the two longitudinal beams; the two longitudinal beams are connected with the vehicle body through a plurality of U-shaped upper connecting plates; the two longitudinal beams are respectively connected with the plurality of cross beam plates through a plurality of U-shaped connecting lower plates; the first battery pack split body comprises a first shell and a first battery pack split body arranged in the first shell; the second battery pack split body comprises a second shell and a second battery pack split body arranged in the second shell; the first shell is provided with a plurality of first cross beam plate connecting brackets on two sides, and the first cross beam plate connecting brackets are provided with threaded holes; the first shell is provided with a first vehicle body connecting support at the rear part, the first vehicle body connecting support is provided with a threaded hole, and the first vehicle body connecting support is connected with the vehicle body through a flanged bolt penetrating through the threaded hole; a plurality of second cross beam plate connecting supports are arranged on two sides of the second shell, and threaded holes are formed in the second cross beam plate connecting supports; the second shell is provided with a second vehicle body connecting support at the rear part, the second vehicle body connecting support is provided with a threaded hole, and the second vehicle body connecting support is connected with the vehicle body through a bolt with a flange penetrating through the threaded hole; a plurality of first long holes are formed in the outer side of one longitudinal beam of the plurality of cross beam plates, and a plurality of second long holes are formed in the outer side of the other longitudinal beam of the plurality of cross beam plates; the plurality of cross beam plates are connected with the first shell through flanged bolts penetrating through threaded holes of the first long hole and the first cross beam plate connecting support respectively, and the plurality of cross beam plates are connected with the second shell through flanged bolts penetrating through threaded holes of the second long hole and the second cross beam plate connecting support respectively.
2. The split battery pack adapter of claim 1, wherein: the cross section of the longitudinal beam is circular, the cross section of the transverse beam plate is in a sawtooth shape, and the sawtooth shape is rectangular.
3. The split battery pack adapter device according to claim 1 or 2, wherein: the number of the cross beam plates is three; the transmission shaft mounting panel is two, is first transmission shaft mounting panel and second transmission shaft mounting panel in proper order, first transmission shaft mounting panel is established first crossbeam board with between the second crossbeam board, second transmission shaft mounting panel is established at third crossbeam board rear.
CN201910028599.2A 2019-01-11 2019-01-11 Split type battery pack switching device Active CN109733176B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910028599.2A CN109733176B (en) 2019-01-11 2019-01-11 Split type battery pack switching device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910028599.2A CN109733176B (en) 2019-01-11 2019-01-11 Split type battery pack switching device

Publications (2)

Publication Number Publication Date
CN109733176A CN109733176A (en) 2019-05-10
CN109733176B true CN109733176B (en) 2022-03-22

Family

ID=66364583

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910028599.2A Active CN109733176B (en) 2019-01-11 2019-01-11 Split type battery pack switching device

Country Status (1)

Country Link
CN (1) CN109733176B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113400916B (en) * 2021-05-25 2022-06-28 东风柳州汽车有限公司 Battery package installation component, vehicle body structure and vehicle

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205059738U (en) * 2015-09-29 2016-03-02 惠州比亚迪电池有限公司 A chassis that is used for frame of vehicle and has its vehicle
CN207274291U (en) * 2017-09-28 2018-04-27 江苏陆地方舟新能源车辆股份有限公司 A kind of detachable bracket structure

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102290545B (en) * 2011-07-15 2014-01-22 奇瑞汽车股份有限公司 Battery fixing bracket
CN102700392A (en) * 2012-06-12 2012-10-03 北京汽车新能源汽车有限公司 Layout structure of power battery of miniature pure-electric bus
US8602454B1 (en) * 2012-09-10 2013-12-10 Ford Global Technologies, Llc Crash load management in automotive vehicles using closed loop structures
KR101528883B1 (en) * 2014-07-17 2015-06-16 주식회사 비긴스 Attach and detach apparatus of electric vehicle battery
CN206558574U (en) * 2017-02-09 2017-10-13 深圳市沃特玛电池有限公司 A kind of battery bag fixed structure

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205059738U (en) * 2015-09-29 2016-03-02 惠州比亚迪电池有限公司 A chassis that is used for frame of vehicle and has its vehicle
CN207274291U (en) * 2017-09-28 2018-04-27 江苏陆地方舟新能源车辆股份有限公司 A kind of detachable bracket structure

Also Published As

Publication number Publication date
CN109733176A (en) 2019-05-10

Similar Documents

Publication Publication Date Title
US10065491B1 (en) Battery pack connector assembly and connecting method
CN110171480A (en) The vehicle frame and vehicle of vehicle
US20220024291A1 (en) Cradle assembly for an electric axle assembly
CN109733176B (en) Split type battery pack switching device
CN102205853A (en) Chassis structure of pure electric automobile
CN205523634U (en) Modular electric motor car battery frame frame
CN204726511U (en) A kind of power assembly of electric automobile
CN213861832U (en) Battery pack installation frame capable of changing batteries and automobile with battery pack installation frame
CN113635973A (en) Truss type frame fuel cell cargo vehicle arrangement scheme
CN205439952U (en) Support for electric truck power battery box
CN112158061A (en) Lower vehicle body arrangement structure of extended range electric vehicle
KR102382679B1 (en) Integrated Flatform Chassis Where Battery, Motor and Frame are Integrated Into One
CN204037315U (en) The mounting structure of automobile front longitudinal beam and suspension
CN206086882U (en) Electric automobile sub vehicle frame
CN204488929U (en) Dual-energy source general utility functions vehicle frame
CN209739156U (en) Automobile body roof beam structure under electronic passenger car
CN211107708U (en) Can realize high strength electric logistics vehicle frame of high-efficient equipment
US11173777B2 (en) Battery pack mounting system and mounting method
CN210101299U (en) Power battery support and electronic commercial car
CN110861481A (en) Battery installation device of electric mining vehicle
CN218112347U (en) Battery mounting bracket for electric automobile
CN201951222U (en) Car body structure of electric automobile power source
CN215321964U (en) Middle-mounted power battery system arrangement structure based on light commercial vehicle
CN214647532U (en) Box structure under power battery
CN210680377U (en) Battery installation structure of electric automobile

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant