CN113561840A - Quick-change power battery box dismounting system and dismounting method - Google Patents

Quick-change power battery box dismounting system and dismounting method Download PDF

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Publication number
CN113561840A
CN113561840A CN202110730207.4A CN202110730207A CN113561840A CN 113561840 A CN113561840 A CN 113561840A CN 202110730207 A CN202110730207 A CN 202110730207A CN 113561840 A CN113561840 A CN 113561840A
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CN
China
Prior art keywords
battery box
fixed
cross
quick
vehicle body
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Pending
Application number
CN202110730207.4A
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Chinese (zh)
Inventor
李仲奎
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Dongfeng Motor Corp
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Dongfeng Motor Corp
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Publication date
Application filed by Dongfeng Motor Corp filed Critical Dongfeng Motor Corp
Priority to CN202110730207.4A priority Critical patent/CN113561840A/en
Publication of CN113561840A publication Critical patent/CN113561840A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/80Exchanging energy storage elements, e.g. removable batteries
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00Arrangement or mounting of electrical propulsion units
    • B60K1/04Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/244Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/249Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/262Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
    • 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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • 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
    • 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
    • Y02T10/7072Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors

Abstract

The invention discloses a quick-change power battery box dismounting system and a dismounting method, which comprises a vehicle body bottom plate assembly, a battery box body which can be installed below the vehicle body bottom plate assembly and a battery box dismounting mechanism which can enable the battery box body to be installed below the vehicle body bottom plate assembly or enable the battery box body to be unlocked from below the vehicle body bottom plate assembly; the articulated a plurality of cross pothooks that are connected with in bottom of underbody assembly, it includes that perpendicular articulated connects in the pivot of underbody assembly bottom and perpendicular fixed connection in the horizontal pole of the pivot left and right sides, be provided with on the battery box a plurality of tops set up can with the hasp casing in cross pothook complex cross shape hole, the articulated casing that is connected with in the hasp casing can with cross pothook complex rotating housing, battery box dismouting mechanism includes many can drive rotating housing pivoted declutch poles. The rotating shell is rotated through the shifting fork rod, the cross-shaped clamping hook is driven to axially rotate to realize the opening and closing of the locking mechanism of the battery box, and the effect of quickly disassembling and replacing the battery box is achieved.

Description

Quick-change power battery box dismounting system and dismounting method
Technical Field
The invention relates to the technical field of automobile power batteries, in particular to a quick-change power battery box dismounting system and a dismounting method.
Background
The popularization of the pure charging type electric automobile is influenced by the reasons of short driving range, long charging time and the like. If the battery is rapidly disassembled after the electric quantity of the battery is exhausted, and simultaneously the battery which is fully charged in advance is rapidly assembled, the continuous running of the vehicle can be ensured, which is a new direction for the development of the electric vehicle. The quick replacement of the power battery system can be realized by means of the battery replacement equipment in the battery replacement station, so that the quick replacement of the power battery box can be realized by adopting what fixing mode on the vehicle body, which is the problem faced at present, and the requirement for quick replacement of the power battery can not be obviously met by common bolt connection. How to utilize the locking mechanism that current spatial arrangement is reasonable, can reach battery installation, dismantle convenient, fixed point stress is little, intensity is high, the durability is good, and the fixed mode that can avoid the abnormal sound is the technological problem that faces.
Disclosure of Invention
The invention aims to overcome the defects of the background technology and provide a quick-change power battery box dismounting system and a dismounting method which are convenient to mount and dismount and high in structural strength.
In order to achieve the purpose, the quick-change power battery box dismounting system comprises a vehicle body bottom plate assembly, a battery box body which can be installed below the vehicle body bottom plate assembly, and a battery box dismounting mechanism which can enable the battery box body to be installed below the vehicle body bottom plate assembly or enable the battery box body to be unlocked from below the vehicle body bottom plate assembly; the method is characterized in that: the articulated a plurality of cross pothooks that are connected with in bottom of automobile body bottom plate assembly, it including perpendicular articulated connect in the pivot and the perpendicular fixed connection of automobile body bottom plate assembly bottom the horizontal pole of the pivot left and right sides, be provided with on the battery box a plurality of tops seted up can with the hasp casing in cross pothook complex cross shape hole, articulated be connected with in the hasp casing can with cross pothook complex rotating housing, battery box dismouting mechanism includes many can drive rotating housing pivoted fork lever.
Furthermore, the middle parts of the left side and the right side of the battery box body are respectively provided with at least one positioning pin support, the top of each positioning pin support is vertically fixed with at least one positioning pin, and the bottom of the vehicle body bottom plate assembly is provided with a positioning hole matched with the positioning pin.
Further, the left and right sides of battery box symmetry respectively is provided with a set of support of hanging, every group hang the support all including the symmetry set up in at least one of both sides around the battery box hang the support, every it all is fixed with at least one in the support to hang the hasp casing, the top of hanging the support seted up with the cross via hole that the cross shape hole corresponds.
Furthermore, a position holding structure which can hold the rotating shell at a locking position matched with the cross-shaped hook or hold the rotating shell at an unlocking position matched with the cross-shaped hook is arranged in the hanging bracket; the position holding structure comprises a V-shaped spring in a compressed state, and two ends of the V-shaped spring are respectively fixed in the hanging bracket and on the rotating shell.
Furthermore, a spring rotating shaft is vertically fixed at the top of the hanging support, one end of the V-shaped spring is fixed on the spring rotating shaft, the other end of the V-shaped spring is fixed at the bottom of the rotating shell, and a rotating shaft positioning hole matched with the spring rotating shaft is formed in the bottom of the vehicle body bottom plate assembly.
Further, battery box dismouting mechanism includes rectangular fixed frame, four corners of fixed frame are fixed with one respectively and are used for the drive rotatory casing rotates fork lever structure, and it is including being fixed in last fork lever support of fixed frame passes with perpendicularly fork lever support, axially pivoted fork axle, the coaxial shift fork gear that is fixed with in bottom of fork axle, the perpendicular fixedly connected with of top surface of fork axle the fork pole, the bottom of rotatory casing seted up with fork pole top complex fork pole locating hole, be provided with on the fixed frame and be used for the drive fork gear pivoted drive arrangement.
Furthermore, a conical support with a narrow bottom surface and a wide top surface is coaxially fixed at the top of the shifting fork shaft, at least two shifting fork rods are vertically fixed on the top surface of the conical support, and at least two shifting fork rod positioning holes are formed in the bottom surface of the rotating shell.
Further, drive arrangement is including being fixed in driving motor on the fixed frame and passing through driving motor drive, can remove the moving frame who removes, moving frame is the rectangle frame that forms through four frame poles that end to end are fixed, is located both sides around the moving frame both ends about the frame pole be fixed with respectively can with shift fork gear engagement's drive rack, both sides be fixed with respectively around the fixed frame one with frame pole cooperation, can make the slide that moves about the frame pole.
Further, a motor rack is fixed in the middle of the frame rod in the front or the rear of the moving frame, and the driving motor is connected with a motor gear meshed with the motor rack.
The utility model provides a dismouting method of quick change formula power battery case dismouting system, includes the aforesaid quick change formula power battery case dismouting system, battery case tray move to vehicle body floor assembly below, drag the battery box, battery case dismouting mechanism translation to battery case tray below, the rotatory casing of declutch lever drive rotates, make the cross pothook rotate to with the unblock position that cross-shaped hole is parallel, the unblock of cross pothook in the hasp casing, battery box whereabouts to the battery case tray on, the battery box is transported away to the battery box tray, another battery case tray transports the battery box of full charge to the battery case mounted position of vehicle body floor assembly below, the cross pothook passes the hasp casing and inserts in the rotatory casing, and the rotatory casing of declutch lever drive rotates, makes the cross pothook rotate to with cross-shaped hole vertically locking position, the battery box with vehicle body floor assembly locking.
The invention has the beneficial effects that: the rotating shell is rotated through the shifting fork rod, the cross-shaped clamping hook is driven to axially rotate to realize the opening and closing of the locking mechanism of the battery box, and the effect of quickly disassembling and replacing the battery box is achieved. The battery box dismounting mechanism adopts a gear and rack linkage structure to realize synchronous rotation of the rotary shell at the hanging points of each battery box, controls synchronous locking or unlocking of the hanging points of the battery box, and has the advantages of ingenious structural design and good synchronism. The rotating shell is pushed to be positioned at two extremes of small-range rotation by the external expanding force of the V-shaped spring, so that the battery box is kept in a locking or unlocking state, and the structural stability is good.
Drawings
Fig. 1 is a perspective view of a quick-change power battery box dismounting system according to the present invention;
FIG. 2 is a perspective view of the connection of the cross-shaped hook and the longitudinal beam of the vehicle body;
FIG. 3 is a perspective view of a battery case of the present invention;
FIG. 4 is a perspective view of the hanging bracket of the present invention;
FIG. 5 is a perspective view of a battery box tray of the present invention;
FIG. 6 is a perspective view of the battery box attaching and detaching mechanism of the present invention;
FIG. 7 is a perspective view of the construction of the fork shaft of the present invention;
FIG. 8 is a perspective view of a fixed frame of the present invention;
FIG. 9 is a perspective view of the moving frame of the present invention;
the vehicle body bottom plate assembly comprises a vehicle body bottom plate assembly 1, a battery box body 2, a battery box disassembling and assembling mechanism 3.1, a fixed frame 3.2, a shifting fork rod support 3.3, a shifting fork shaft 3.4, a shifting fork gear 3.5, a conical support, a cross-shaped clamping hook 4.1, a rotating shaft 4.2, a cross-shaped cross rod 5, a locking buckle shell 6, a rotating shell 7, a positioning pin support 8, a positioning pin 9, a hanging support 10, a cross-shaped through hole 11, a V-shaped spring 12, a spring rotating shaft 13, a shifting fork rod positioning hole 14, a driving motor 15, a moving frame 16, a driving rack 17, a slideway 18, a motor rack 19, a motor gear 20, a battery box tray 21, a limiting rod 22, a limiting hole 23, a connector 24, a vehicle frame longitudinal beam and a shifting fork rod 25.
Detailed Description
The invention is described in further detail below with reference to the figures and the specific embodiments.
The quick-change power battery box dismounting system shown in fig. 1-9 comprises a vehicle body bottom plate assembly 1, a battery box body 2 which can be installed below the vehicle body bottom plate assembly 1, and a battery box dismounting mechanism 3 which can enable the battery box body 2 to be installed below the vehicle body bottom plate assembly 1 or enable the battery box body 2 to be unlocked from below the vehicle body bottom plate assembly 1.
The bottom of the vehicle body bottom plate assembly 1 is hinged with four cross-shaped hooks 4, and the four cross-shaped hooks comprise a rotating shaft 4.1 which is vertically hinged and connected to the bottom of the vehicle body bottom plate assembly 1 and cross rods 4.2 which are vertically and fixedly connected to the left side and the right side of the rotating shaft 4.1. The left and right sides of battery box 2 is the symmetry respectively and is provided with a set of support 9 of hanging, and every group hangs support 9 and all sets up one of both sides around battery box 2 including the symmetry and hangs support 9, all is fixed with a hasp casing 5 in every hangs support 9, hangs the top of support 9 and sets up the cross via hole 10 that corresponds with the cross shape hole, and articulated being connected with can be with cross pothook 4 complex rotating casing 6 in the hasp casing 5. A position holding structure which can hold the rotating shell 6 at a locking position matched with the cross-shaped hook 4 or hold the rotating shell 6 at an unlocking position matched with the cross-shaped hook 4 is arranged in the hanging bracket 9: the automobile body floor assembly comprises a V-shaped spring 11 in a compressed state, wherein two ends of the V-shaped spring 11 are respectively fixed in a hanging support 9 and on a rotating shell 6, a spring rotating shaft 12 is vertically fixed at the top of the hanging support 9, one end of the V-shaped spring 11 is fixed on the spring rotating shaft 12, the other end of the V-shaped spring is fixed at the bottom of the rotating shell 6, and a rotating shaft positioning hole which can be matched with the spring rotating shaft 12 is formed in the bottom of the automobile body floor assembly 1. The both ends of V type spring 11 are at the pivoted in-process of rotary housing 6, and two tie point intervals of V type spring 11 are from big to little, and from little to big again, utilize the expansion force of V type spring 11 self to lock cross pothook 4 at two extremes, realize that battery box 2 is in two extreme positions of locking state or unblock state.
The middle parts of the left side and the right side of the battery box body 2 are respectively provided with a positioning pin support 7, the top of the positioning pin support 7 is vertically fixed with a positioning pin 8, and the bottom of the vehicle body bottom plate assembly 1 is provided with a positioning hole matched with the positioning pin 8.
Battery box dismouting mechanism 3 includes rectangular fixed frame 3.1, and four corners of fixed frame 3.1 are fixed with one respectively and are used for driving rotary housing 6 to rotate the declutch shift lever structure: including being fixed in fork lever support 3.2 on fixed frame 3.1 and passing fork lever support 3.2 perpendicularly, but axial pivoted fork axle 3.3, the coaxial shift fork gear 3.4 that is fixed with in bottom of fork axle 3.3, the coaxial top surface that is fixed with of fork axle 3.3 is narrow, the conical support 3.5 of top surface width, conical support 3.5's top surface vertical fixation has two fork levers 25, two fork lever locating holes 13 with fork lever 25 top complex are seted up to the bottom of rotary housing 6, be provided with on fixed frame 3.1 and be used for driving fork gear 3.4 pivoted drive arrangement: the device comprises a driving motor 14 fixed on a fixed frame 3.1 and a movable frame 15 which is driven by the driving motor 14 and can move left and right, wherein the movable frame 15 is a rectangular frame formed by fixing four frame rods which are connected in a tail mode, driving racks 16 which can be meshed with shifting fork gears 3.4 are respectively fixed at the left end and the right end of the frame rods positioned at the front side and the rear side of the movable frame 15, and slideways 17 which are matched with the frame rods and can enable the frame rods to move left and right are respectively fixed at the front side and the rear side of the fixed frame 3.1. A motor rack 18 is fixed in the middle of the frame rod in the front of the moving frame 15, and the driving motor 14 is connected with a motor gear 19 engaged with the motor rack 18.
The disassembly and assembly method based on the quick-change power battery box disassembly and assembly system comprises the following steps: the battery box tray 20 moves to the lower part of the vehicle body floor assembly 1, the limiting rod 21 is inserted into the limiting hole 22 to lift the battery box body 2, the battery box disassembling and assembling mechanism 3 is translated to the lower part of the battery box tray 20, the shifting fork rod 5 drives the rotary shell 6 to rotate, the cross-shaped hook 4 is enabled to rotate to an unlocking position parallel to the cross-shaped hole, the cross-shaped hook 4 is unlocked from the lock catch shell 5, the battery box body 2 falls onto the battery box tray 20, the battery box tray 20 transports the battery box body 2 away, the other battery box tray 20 transports the fully charged battery box body 2 to a battery box assembling position below the vehicle body floor assembly 1, the cross-shaped hook 4 penetrates through the lock catch shell 5 to be inserted into the rotary shell 6, the shifting fork rod 25 drives the rotary shell 6 to rotate, the cross-shaped hook 4 is enabled to rotate to a locking position vertical to the cross-shaped hole, and the battery box body 2 and the vehicle body floor assembly 1 are locked.
According to the invention, the rotating shell 6 is rotated through the shifting fork rod 25, and the cross-shaped hook 4 is driven to axially rotate to realize the opening and closing of the locking mechanism of the battery box, so that the effect of quickly disassembling and replacing the battery box is achieved. The battery box dismounting mechanism adopts a gear and rack linkage structure to realize synchronous rotation of the rotary shell at the hanging points of each battery box, controls synchronous locking or unlocking of the hanging points of the battery box, and has the advantages of ingenious structural design and good synchronism. The rotating shell 6 is pushed to be at two extremes of small-range rotation by the external expanding force of the V-shaped spring 11, so that the battery box is kept in a locking or unlocking state, and the structural stability is good.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the structure of the present invention in any way. Any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention still fall within the scope of the technical solution of the present invention.

Claims (10)

1. A quick-change power battery box dismounting system comprises a vehicle body bottom plate assembly (1), a battery box body (2) which can be installed below the vehicle body bottom plate assembly (1), and a battery box dismounting mechanism (3) which can enable the battery box body (2) to be installed below the vehicle body bottom plate assembly (1) or enable the battery box body (2) to be unlocked from below the vehicle body bottom plate assembly (1); the method is characterized in that: the articulated a plurality of cross pothooks (4) that are connected with in bottom of underbody assembly (1), it including perpendicular articulated connect in pivot (4.1) and perpendicular fixed connection in of underbody assembly (1) bottom the horizontal pole (4.2) of pivot (4.1) the left and right sides, be provided with on battery box (2) a plurality of tops seted up can with hasp casing (5) in cross pothook (4) complex cross shape hole, the articulated connection in hasp casing (5) can with cross pothook (4) complex rotating housing (6), battery box dismouting mechanism (3) can drive including many rotating housing (6) pivoted declutch shift lever (25).
2. The quick-change power battery box disassembling and assembling system according to claim 1, characterized in that: the battery box is characterized in that the middle parts of the left side and the right side of the battery box body (2) are respectively provided with at least one positioning pin support (7), at least one positioning pin (8) is vertically fixed at the top of each positioning pin support (7), and positioning holes matched with the positioning pins (8) are formed in the bottom of the vehicle body bottom plate assembly (1).
3. The quick-change power battery box disassembling and assembling system according to claim 1, characterized in that: the left and right sides of battery box (2) symmetry respectively is provided with a set of support (9) of hanging, every group hang support (9) all including the symmetry set up in at least one of both sides around battery box (2) hang support (9), every hang and all be fixed with at least one in support (9) hasp casing (5), hang the top of support (9) seted up with cross via hole (10) that the cross shape hole corresponds.
4. The quick-change power battery box disassembling and assembling system according to claim 3, characterized in that: a position holding structure which can hold the rotating shell (6) at a locking position matched with the cross-shaped hook (4) or hold the rotating shell (6) at an unlocking position matched with the cross-shaped hook (4) is arranged in the hanging bracket (9); the position holding structure comprises a V-shaped spring (11) in a compressed state, and two ends of the V-shaped spring (11) are respectively fixed in the hanging bracket (9) and on the rotating shell (6).
5. The quick-change power battery box disassembling and assembling system according to claim 3, characterized in that: a spring rotating shaft (12) is vertically fixed at the top of the hanging support (9), one end of a V-shaped spring (11) is fixed on the spring rotating shaft (12), the other end of the V-shaped spring is fixed at the bottom of the rotating shell (6), and a rotating shaft positioning hole matched with the spring rotating shaft (12) is formed in the bottom of the vehicle body bottom plate assembly (1).
6. The quick-change power battery box disassembling and assembling system according to claim 1, characterized in that: battery box dismouting mechanism (3) are including rectangular fixed frame (3.1), four corners of fixed frame (3.1) are fixed with one respectively and are used for the drive rotatory casing (6) rotate fork lever structure, and it is including being fixed in fork lever support (3.2) on fixed frame (3.1) and pass perpendicularly fork lever support (3.2), but axial pivoted fork axle (3.3), the coaxial shift fork gear (3.4) that is fixed with in bottom of fork axle (3.3), the perpendicular fixedly connected with of top surface of fork axle (3.3) fork lever (25), the bottom of rotatory casing (6) seted up with fork lever (25) top complex fork lever locating hole (13), be provided with on fixed frame (3.1) and be used for the drive shift fork gear (3.4) pivoted drive arrangement.
7. The quick-change power battery box disassembling and assembling system according to claim 6, characterized in that: the top of the shifting fork shaft (3.3) is coaxially fixed with a conical support (3.5) with a narrow bottom surface and a wide top surface, the top surface of the conical support (3.5) is vertically fixed with at least two shifting fork rods (25), and the bottom surface of the rotating shell (6) is provided with at least two shifting fork rod positioning holes (13).
8. The quick-change power battery box disassembling and assembling system according to claim 7, wherein: drive arrangement is including being fixed in driving motor (14) on fixed frame (3.1) and passing through driving motor (14) drive, can remove moving frame (15) that removes, moving frame (15) are the rectangle frame that forms through four frame pole fixing of ending to each other, are located both sides around moving frame (15) both ends about the frame pole be fixed with one respectively can with driving rack (16) of shift fork gear (3.4) meshing, both sides are fixed with one respectively around fixed frame (3.1) with frame pole cooperation, can make slide (17) that the frame pole removed about.
9. The quick-change power battery box disassembling and assembling system according to claim 8, wherein: a motor rack (18) is fixed in the middle of the frame rod at the front or the rear part of the movable frame (15), and the driving motor (14) is connected with a motor gear (19) meshed with the motor rack (18).
10. A disassembly and assembly method of a quick-change power battery box disassembly and assembly system is characterized in that: the quick-change power battery box disassembling and assembling system comprises the quick-change power battery box disassembling and assembling system as claimed in any one of the claims 1 to 9, a battery box tray (20) moves to the position below a vehicle body floor assembly (1), the battery box body (2) is lifted, a battery box disassembling and assembling mechanism (3) is translated to the position below the battery box tray (20), a shifting fork rod (5) drives a rotating shell (6) to rotate, a cross-shaped hook (4) is rotated to an unlocking position parallel to a cross-shaped hole, the cross-shaped hook (4) is unlocked from a lock catch shell (5), the battery box body (2) falls onto the battery box tray (20), the battery box tray (20) transports the battery box body (2), another battery box tray (20) transports the fully charged battery box body (2) to a battery box assembling position below the vehicle body floor assembly (1), and the cross-shaped hook (4) is inserted into the rotating shell (6) through the lock catch shell (5), shifting fork pole (25) drive swivel housing (6) rotate, make cross pothook (4) rotate to with cross shape hole vertically locking position, battery box (2) with underbody assembly (1) locking.
CN202110730207.4A 2021-06-29 2021-06-29 Quick-change power battery box dismounting system and dismounting method Pending CN113561840A (en)

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CN202110730207.4A CN113561840A (en) 2021-06-29 2021-06-29 Quick-change power battery box dismounting system and dismounting method

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CN112109536A (en) * 2020-09-16 2020-12-22 东风汽车集团有限公司 Quick assembling and disassembling locking mechanism of battery box
CN112510312A (en) * 2020-11-09 2021-03-16 东风汽车集团有限公司 Power battery box of electric vehicle

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