CN110001374A - A kind of battery quick-change device for electric automobile, electric car and quick change method - Google Patents

A kind of battery quick-change device for electric automobile, electric car and quick change method Download PDF

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Publication number
CN110001374A
CN110001374A CN201910160617.2A CN201910160617A CN110001374A CN 110001374 A CN110001374 A CN 110001374A CN 201910160617 A CN201910160617 A CN 201910160617A CN 110001374 A CN110001374 A CN 110001374A
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CN
China
Prior art keywords
sliding block
battery
track
quick
fixed plate
Prior art date
Application number
CN201910160617.2A
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Chinese (zh)
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CN110001374B (en
Inventor
吴东升
王海林
高文龙
朱惠
王文涛
张志强
王志海
杨全凯
Original Assignee
浙江吉智新能源汽车科技有限公司
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Priority to CN201910160617.2A priority Critical patent/CN110001374B/en
Publication of CN110001374A publication Critical patent/CN110001374A/en
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    • 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
    • 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
    • B60K2001/0455Removal or replacement of the energy storages
    • 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 kind of battery quick-change device for electric automobile, including fixed plate, the first sliding block and the second sliding block, fixed plate is equipped with perforation, the first track and the second track with the first orbit connection;First sliding block is arranged in the first track, and the first sliding block can be arranged in the second track in the first gliding in tracks, the second sliding block, and the second sliding block can be in the second gliding in tracks;First sliding block and the second sliding block are connected by connecting rod, the first sliding block and the second sliding block ganged movement;Perforation with chassis runner coordinating block for connecting;Also disclose a kind of electric car;A kind of fast changing battery of electric vehicle method is also disclosed;The present invention uses purely mechanic movement mechanism, and using the fixation of slide block movement implementation mechanism, locking, locking effect is good;With vehicle body using being interference fitted, facilitate maintenance, and the power section of fast replacing device, positioned at changing on electric pallet, vehicle body connection equipment is simple, and whole light weight effect is good;Easy to operate, quick, convenient disassembly is installed, fastness higher costs are low.

Description

A kind of battery quick-change device for electric automobile, electric car and quick change method
Technical field
The present invention relates to battery replacement of electric automobile technical field more particularly to a kind of battery quick-change device for electric automobile, Electric car and quick change method.
Background technique
In recent years, the severe situation increasingly to warm in face of traditional energy increasingly imbalance of supply and demand, global climate, various countries add one after another Greatly to the dynamics of new energy and new energy technology development and application.Electric car has and makes an uproar as a kind of new energy vehicles Sound is low, energy utilization rate is high, without the features such as exhaust gas discharges is moved, and becomes one of the strategic emerging industries of China's emphasis support. Energy resource supply mode is the important link in electric vehicle industrial chain, directly determines the development lifeblood of the industry.Electric car energy Source supply mode is mainly fast charge and trickle charge two ways.Fast charge is that direct current is directly stored in battery, this charging side Requirement of the formula to battery is very high, and the power of direct current is very big, and fast charge will lead to battery pack temperature raising for a long time or frequently, Cell decay can be fast.Trickle charge is alternating current to be converted into direct current by Vehicular charger, then be stored into battery, the time On can be many slowly, both of which has the shortcomings that respective.
2011, national grid proposed the business model of " change based on electricity, insert supplemented by filling, concentrating charging, unified dispatching ", Prior development direction as industry.Under the business model of " change electricity based on ", each relevant industries propose various forms of change Power mode, core are still electrical changing station and detachable battery packet.Its reliability and stability of detachable mechanism is relatively low, battery pack Meet the function of fast quick change electricity, dismounting convenience with the connection type of automobile, this stability, reliability, peace to vehicle Full property has a great impact.It is that electricity is substituted in side and electricity is changed on chassis that mainstream, which changes electric type, at present.The two is compared, and electric cost is changed more in chassis Low, properties are more preferable.It is very high that difficult point is that requirement of the electricity to bindiny mechanism is changed on chassis, to have quick change latch functions.It is existing The locking system of quick-changing mechanism is broadly divided into electronic apparatus class and purely mechanic class.Purely mechanic class installation cost is lower, connects more It reliably, is industry mainstream applications scheme.
Currently, the fast quick change electric system of electric car in the market mainly favorably uses motor driven locking, mechanical movement locking, But most of the problems such as cannot achieve there are mechanism complexity, locking poor reliability, zero-clearance locking, business application difficulty are high.
Summary of the invention
In order to solve the above-mentioned technical problem, point in view of the above problems, battery quick-change device for electric automobile disclosed by the invention, Using purely mechanic movement mechanism, using the fixation of slide block movement implementation mechanism, locking, locking effect is good, and replacement cost is low and saves Shi Shengli;Disclosed fast changing battery of electric vehicle method, installation is easy to operate, quick, and convenient disassembly, fastness is higher, cost It is lower.
In order to achieve the above object of the invention, the present invention provides a kind of battery quick-change device for electric automobile, including fixed plate, First sliding block and the second sliding block, the fixed plate are equipped with perforation, the first track and the second rail with first orbit connection Road;
First sliding block is arranged in first track, first sliding block can in first gliding in tracks, Second sliding block is arranged in second track, and second sliding block can be in second gliding in tracks;
First sliding block is connected with second sliding block by connecting rod, and first sliding block and second sliding block link Movement;
The perforation with chassis runner coordinating block for connecting.
Further, it is equipped with fluting far from first sliding block side on second sliding block, is equipped with bullet in the fluting Property part and oblique wedge, described elastic component one end are fixedly connected with the slot bottom of the fluting, and the other end is connect with the oblique wedge, institute Stating elastic component and the oblique wedge can slide in the fluting;
Second sliding block is equipped with scarf close to one end of first sliding block.
Further, the fixed plate is equipped with guide groove with second orbit connection, the notch of the guide groove with The oblique wedge is clamped close to one end of the notch;
The part that the oblique wedge is located in the guide groove can be slided in the guide groove.
Preferably, the elastic component is spring, and the oblique wedge is according to the elastic force of the elastic component and gravity entrance In guide groove, fast replacing device is locked.
Preferably, there are two the connecting rod is set, the both ends of the connecting rod are located at first sliding block and described second The ipsilateral of sliding block, the both ends of another connecting rod are located at first sliding block side opposite with second sliding block, described Connecting rod is to be bolted with first sliding block and second sliding block.
It further, further include the limited block being arranged in second track, the limited block is arranged in the second sliding block One end far from first sliding block, the limited block is for limiting the second slide block movement process.
The present invention discloses a kind of electric car, including electric car fast replacing device, battery frame, chassis and chassis runner cooperation Block, the electric car fast replacing device are electric car fast replacing device described above, and the battery frame is equipped with straight pin, described Electric car fast replacing device is fixed the battery frame by the straight pin, and the chassis is equipped with and the electronic vapour The auxiliary section of fixed plate cooperation on vehicle fast replacing device, being interference fitted with the auxiliary section for the fixed plate connect;The vehicle Body stringer coordinating block passes through the perforation of the fixed plate, is interference fitted with the perforation inner wall, and the chassis runner coordinating block is used It is limited in the fixed plate.
Further, Open Side Down for first track on the electric car fast replacing device, second track Opening towards first track, first sliding block slides up and down in first track, and second sliding block is in institute It states and horizontally slips in the second track.
The present invention provides a kind of fast changing battery of electric vehicle methods, comprising the following steps:
S1: the position of Quick battery-changing device under chassis is moved to using empty battery tray device, by battery tray device Rise the battery pack for holding up and being arranged on Quick battery-changing device, the mandril of battery tray device, which rises, jacks up oblique wedge, opens electricity The locking mechanism of pond fast replacing device, battery pack are taken out;
S2: being moved to the position of Quick battery-changing device under chassis equipped with the battery tray device of new battery pack, by battery Pallet apparatus, which rises, holds up new battery pack, and the straight pin on battery frame jacks up the first sliding block, reaches limit of sports record position, at this time Oblique wedge enters guide groove under the action of the elastic member, and mechanism is locked;
S3: battery tray device moves down, and the work for changing battery is completed.
It further, further include moving down battery tray device after opening locking mechanism in step S1, battery frame On straight pin push the second sliding block mobile, battery pack is fallen into battery tray device, and battery mandril moves down, and battery pack takes Out.
The implementation of the embodiments of the present invention has the following beneficial effects:
1, battery quick-change device for electric automobile disclosed by the invention utilizes slide block movement reality using purely mechanic movement mechanism The fixation of existing mechanism, locking, locking effect is good, and replacement cost is low and time saving and energy saving;
2, battery quick-change device for electric automobile disclosed by the invention, the connecting rod of setting, the first sliding block and the second sliding block are realized The fixation of straight pin on battery frame, the oblique wedge of setting realize the locking of fast replacing device;
3, electric car disclosed by the invention, by battery quick-change device for electric automobile and vehicle body using being interference fitted, simply Reliably, facilitate maintenance, and the power section of fast replacing device, positioned at changing on electric pallet, vehicle body connection equipment is simple, whole lightweight Effect is good;
4, electric car disclosed by the invention, battery frame are real using straight pin outstanding and battery quick-change device for electric automobile It now fixes, structure is simple, connection is accurate and reliable and at low cost;
5, fast changing battery of electric vehicle method disclosed by the invention installs easy to operate, quick, convenient disassembly, fastness Higher, cost is lower.
Detailed description of the invention
In order to illustrate more clearly of battery quick-change device for electric automobile of the present invention, electric car and quick change method, Attached drawing required for embodiment will be briefly described below, it should be apparent that, the accompanying drawings in the following description is only this hair Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structural schematic diagram of battery quick-change device for electric automobile;
Wherein, appended drawing reference is corresponding in figure are as follows: 1- fixed plate, the first sliding block of 2-, and the second sliding block of 3-, 4- connecting rod, 5- perforation, The first track of 6-, the second track of 7-, 8- fluting, 9- elastic component, the oblique wedge of 10-, 11- guide groove, 12- limited block, 13- straight pin.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, the present invention is made into one below in conjunction with attached drawing Step ground detailed description.
Embodiment 1:
A kind of battery quick-change device for electric automobile as shown in Figure 1:, including fixed plate 1, the first sliding block 2 and the second sliding block 3, The second track 7 that the fixed plate 1 is equipped with the 5, first track 6 of perforation and is connected to first track 6;
First sliding block 2 is arranged in first track 6, and first sliding block 2 can be slided in first track 6 Dynamic, second sliding block 3 is arranged in second track 7, and second sliding block 3 can slide in second track 7;
First sliding block 2 and second sliding block 3 are connected by connecting rod 4, first sliding block 2 and second sliding block 3 ganged movements;
The perforation 5 with chassis runner coordinating block for connecting;The present invention uses purely mechanic movement mechanism, is transported using sliding block The fixation of dynamic implementation mechanism, locking, locking effect is good, and replacement cost is low and time saving and energy saving.
Specifically, being equipped with fluting 8 far from 2 side of the first sliding block on second sliding block 3, it is equipped in the fluting 8 Elastic component 9 and oblique wedge 10, described 9 one end of elastic component are fixedly connected with the slot bottom of the fluting 8, the other end and the oblique wedge 10 connections, the elastic component 9 and the oblique wedge 10 can be slided in the fluting 8;Second sliding block 3 is close to described first One end of sliding block 2 is equipped with scarf;Connecting rod 4, the first sliding block 2 and the second sliding block 3 that the present invention is arranged realize the circle on battery frame The fixation of pin 13, the oblique wedge 10 of setting realize the locking of fast replacing device.
More specifically, the fixed plate 1 is equipped with the guide groove 11 being connected to second track 7, the guide groove 11 Notch and the oblique wedge 10 are clamped close to one end of the notch;
The part that the oblique wedge 10 is located in the guide groove 11 can be slided in the guide groove 11.
Specifically, there are two the connecting rod 4 sets, the both ends of the connecting rod 4 are located at first sliding block 2 and described the The both ends of the ipsilateral of two sliding blocks 3, another connecting rod 4 are located at first sliding block 2 side opposite with second sliding block 3 Face, the connecting rod 4 are to be bolted with first sliding block 2 and second sliding block 3.
Further, the first sliding block of bolt-through 2 on the first sliding block 2, one end of two connecting rods 4 is respectively sleeved at bolt Both ends on, then connecting rod 4 and the first sliding block 2 are fixed together by nut;The second sliding block of bolt-through on second sliding block 3 3, the other end of two connecting rods 4 is respectively sleeved at the both ends of bolt on the second sliding block 3, then by nut that connecting rod 4 and second is sliding Block 3 is fixed together, and the connecting rod 4 can be rotated relative to the bolt connecting with the first sliding block 2 and the second sliding block 3.
Specifically, further including the limited block 12 being arranged in second track 7, the setting of limited block 12 is sliding second The one end of block 3 far from first sliding block 2, the limited block 12 is for limiting the 3 movement process of the second sliding block.
Embodiment 2: for the preferred embodiment of embodiment 1
A kind of battery quick-change device for electric automobile as shown in Figure 1:, including fixed plate 1, the first sliding block 2 and the second sliding block 3, The second track 7 that the fixed plate 1 is equipped with the 5, first track 6 of perforation and is connected to first track 6;
First sliding block 2 is arranged in first track 6, and first sliding block 2 can be slided in first track 6 Dynamic, second sliding block 3 is arranged in second track 7, and second sliding block 3 can slide in second track 7;
First sliding block 2 and second sliding block 3 are connected by connecting rod 4, first sliding block 2 and second sliding block 3 ganged movements;
The perforation 5 with chassis runner coordinating block for connecting;The present invention uses purely mechanic movement mechanism, is transported using sliding block The fixation of dynamic implementation mechanism, locking, locking effect is good, and replacement cost is low and time saving and energy saving.
Specifically, fixed plate 1 includes the first fixed plate and the second fixed plate being connected, set in first fixed plate There are aperture, the first groove and the second groove being connected to first groove;
Second fixed plate is identical as first fixed plate structure, the opening in second fixed plate and described the Opening in one fixed plate, which is overlapped, is arranged and is formed perforation 5, and the perforation 5 with chassis runner coordinating block for connecting;
First groove in first fixed plate is overlapped with first groove in second fixed plate to be set The first track 6 is set and is formed, first sliding block in first track 6 for sliding;
Second groove is overlapped setting and shape with the second groove in second fixed plate in first fixed plate At the second track 7, second sliding block in second track 7 for sliding;The fixed plate 1 of this design is hollow knot Structure, not only total quality is light, and does not influence locking effect.
Specifically, being equipped with fluting 8 far from 2 side of the first sliding block on second sliding block 3, it is equipped in the fluting 8 Elastic component 9 and oblique wedge 10, described 9 one end of elastic component are fixedly connected with the slot bottom of the fluting 8, the other end and the oblique wedge 10 connections, the elastic component 9 and the oblique wedge 10 can be slided in the fluting 8;Second sliding block 3 is close to described first One end of sliding block 2 is equipped with scarf;Connecting rod 4, the first sliding block 2 and the second sliding block 3 that the present invention is arranged realize the circle on battery frame The fixation of pin 13, the oblique wedge 10 of setting realize the locking of fast replacing device.
Preferably, the elastic component 9 is spring, and the oblique wedge 10 enters according to the elastic force and gravity of the elastic component 9 In the guide groove 11, fast replacing device is locked.
More specifically, the fixed plate 1 is equipped with the guide groove 11 being connected to second track 7, the guide groove 11 Notch and the oblique wedge 10 are clamped close to one end of the notch;
The part that the oblique wedge 10 is located in the guide groove 11 can be slided in the guide groove 11.
Specifically, there are two the connecting rod 4 sets, the both ends of the connecting rod 4 are located at first sliding block 2 and described the The both ends of the ipsilateral of two sliding blocks 3, another connecting rod 4 are located at first sliding block 2 side opposite with second sliding block 3 Face, the connecting rod 4 are to be bolted with first sliding block 2 and second sliding block 3.
Further, the first sliding block of bolt-through 2 on the first sliding block 2, one end of two connecting rods 4 is respectively sleeved at bolt Both ends on, then connecting rod 4 and the first sliding block 2 are fixed together by nut;The second sliding block of bolt-through on second sliding block 3 3, the other end of two connecting rods 4 is respectively sleeved at the both ends of bolt on the second sliding block 3, then by nut that connecting rod 4 and second is sliding Block 3 is fixed together, and the connecting rod 4 can be rotated relative to the bolt connecting with the first sliding block 2 and the second sliding block 3.
Specifically, further including the limited block 12 being arranged in second track 7, the setting of limited block 12 is sliding second The one end of block 3 far from first sliding block 2, the limited block 12 is for limiting the 3 movement process of the second sliding block.
Difference from example 1 is that:
Specifically, fixed plate 1 includes the first fixed plate and the second fixed plate being connected, set in first fixed plate There are aperture, the first groove and the second groove being connected to first groove;
Second fixed plate is identical as first fixed plate structure, the opening in second fixed plate and described the Opening in one fixed plate, which is overlapped, is arranged and is formed perforation 5, and the perforation 5 with chassis runner coordinating block for connecting;
First groove in first fixed plate is overlapped with first groove in second fixed plate to be set The first track 6 is set and is formed, first sliding block in first track 6 for sliding;
Second groove is overlapped setting and shape with the second groove in second fixed plate in first fixed plate At the second track 7, second sliding block in second track 7 for sliding;The fixed plate 1 of this design is hollow knot Structure, not only total quality is light, and does not influence locking effect.
Preferably, the elastic component 9 is spring, and the oblique wedge 10 enters according to the elastic force and gravity of the elastic component 9 In the guide groove 11, fast replacing device is locked, scarf is upward on second track 7.
Embodiment 3:
As shown in Figure 1, a kind of electric car, including electric car fast replacing device, battery frame, chassis (not shown) and Chassis runner coordinating block (not shown), the electric car fast replacing device are that the electric car of embodiment 1 or 2 changes the outfit fastly It sets, the battery frame is equipped with straight pin 13, and the electric car fast replacing device is by the straight pin 13 to the battery frame It is fixed, the chassis is equipped with the auxiliary section cooperated with the fixed plate 1 on the electric car fast replacing device, the fixation Being interference fitted with the auxiliary section for plate 1 connects;
The chassis runner coordinating block passes through the perforation 5 of the fixed plate 1, is interference fitted with perforation (5) inner wall, institute Chassis runner coordinating block is stated for limiting to the fixed plate 1;Electric car fast replacing device and vehicle body are used interference by the present invention Cooperation, it is simple and reliable, facilitate maintenance, and the power section of fast replacing device, positioned at changing on electric pallet, vehicle body connection equipment is simple, whole Body light weight effect is good;Battery frame realized with battery quick-change device for electric automobile using prominent straight pin 13 and fixed, structure is simple, It connects accurate and reliable and at low cost.
Specifically, Open Side Down for first track 6 on the electric car fast replacing device, second track 7 Opening towards first track 6, first sliding block 2 slides up and down in first track 6, second sliding block 3 It horizontally slips in second track 7.
Further, second sliding block 3 close to one end of first sliding block 2 scarf upward.
Embodiment 4:
A kind of fast changing battery of electric vehicle method, comprising the following steps:
S1: vehicle, which enters, changes electrician position, changes radio station and relocates to vehicle;
S2: the position of Quick battery-changing device under chassis is moved to using empty battery tray device, by battery tray device Rise the battery pack for holding up and being arranged on Quick battery-changing device, the mandril of battery tray device, which rises, jacks up oblique wedge 10, opens The locking mechanism of Quick battery-changing device;
Battery tray device is moved down, the straight pin 13 on battery frame pushes the second sliding block 3 mobile, and battery pack is fallen into In battery tray device, battery mandril is moved down, and battery pack is taken out;
S3: being moved to the position of Quick battery-changing device under chassis equipped with the battery tray device of new battery pack, by battery Pallet apparatus, which rises, holds up new battery pack, and the straight pin 13 on battery frame jacks up the first sliding block 2, reaches limit of sports record position, Oblique wedge 10 enters guide groove 11 under the action of elastic component 9 at this time, and mechanism is locked;
S4: battery tray device moves down, and the work for changing battery is completed.
In addition, battery tray device can be battery tray, it is also possible to other devices for holding up battery pack.
The battery quick-change device for electric automobile when in use, fixed by connecting rod 4 and the second sliding block 3 composition by the first sliding block 2 The straight pin 13 on battery frame is fixed in mechanism;Second sliding block 3 forms retaining mechanism by elastic component 9 and oblique wedge 10, Device is locked, limited block 12 limits the movement process of the second sliding block 3;
In assembly, the inner wall that chassis runner coordinating block passes through perforation 5 and perforation 5 in fixed plate 1 is interference fitted, fixed The top of plate 1 and surrounding side wall, which are interference fitted with the auxiliary section of vehicle body, to be connected, and this design is simple and reliable, easy to maintenance, and It is at low cost.
The fast changing battery of electric vehicle method, when unlock, first with the mandril on battery tray device by oblique wedge 10 It jacks up, under gravity, the straight pin 13 on battery frame pushes the second sliding block 3 along the second track 7 to far from the first track 6 Direction movement, retaining mechanism just opens;
When locking, the straight pin 13 on battery frame pushes the first sliding block 2 to move up, to drive connecting rod 4 along the second rail Road 7 is moved to the direction close to the first track 6, and after moving to certain position, space is locked, on the first sliding block 2, the second sliding block 3 The straight pin 13 tiltedly carved on the just locked battery frame in space that face side and the first guide rail 6 are formed, oblique wedge 10 is in bullet at this time Enter guide groove under the action of spring, locks retaining mechanism;This method installation is easy to operate, quick, and convenient disassembly, fastness is more Height, cost are lower.
Battery quick-change device for electric automobile disclosed by the invention is realized using purely mechanic movement mechanism using slide block movement The fixation of mechanism, locking, locking effect is good, and replacement cost is low and time saving and energy saving;The connecting rod of setting, the first sliding block and the second sliding block Realize the fixation of the straight pin on battery frame, the oblique wedge of setting realizes the locking of fast replacing device;
Electric car disclosed by the invention simply may be used by battery quick-change device for electric automobile and vehicle body using being interference fitted It leans on, facilitates maintenance, and the power section of fast replacing device, positioned at changing on electric pallet, vehicle body connection equipment is simple, whole lightweight effect Fruit is good, and battery frame is realized using prominent straight pin and fixed, and structure is simple, connection is accurate and reliable and at low cost.
Fast changing battery of electric vehicle method disclosed by the invention, installation is easy to operate, quick, and convenient disassembly, fastness is more Height, cost are lower.
Above disclosed is only a preferred embodiment of the present invention, cannot limit the power of the present invention with this certainly Sharp range, therefore equivalent changes made in accordance with the claims of the present invention, are still within the scope of the present invention.

Claims (10)

1. a kind of battery quick-change device for electric automobile, it is characterised in that: including fixed plate (1), the first sliding block (2) and the second sliding block (3), the fixed plate (1) is equipped with perforation (5), the first track (6) and the second track being connected to first track (6) (7);
In first track (6), first sliding block (2) can be in first track (6) for first sliding block (2) setting Interior sliding, in second track (7), second sliding block (3) can be in second track for the second sliding block (3) setting (7) sliding in;
First sliding block (2) and second sliding block (3) are connected by connecting rod (4), first sliding block (2) and described second Sliding block (3) ganged movement;
The perforation (5) with chassis runner coordinating block for connecting.
2. battery quick-change device for electric automobile according to claim 1, it is characterised in that: remote on second sliding block (3) It is equipped with fluting (8) from the first sliding block (2) side, elastic component (9) and oblique wedge (10) are equipped in the fluting (8), it is described Elastic component (9) one end is fixedly connected with the slot bottom of the fluting (8), and the other end is connect with the oblique wedge (10), the elasticity Part (9) and the oblique wedge (10) can the slidings in the fluting (8)
Second sliding block (3) is equipped with scarf close to one end of first sliding block (2).
3. battery quick-change device for electric automobile according to claim 2, it is characterised in that: the fixed plate (1) is equipped with The guide groove (11) being connected to second track (7), the notch of the guide groove (11) and the oblique wedge (10) are close to the slot One end clamping of mouth;
The oblique wedge (10) is located at the part in the guide groove (11) can the sliding in the guide groove (11).
4. battery quick-change device for electric automobile according to claim 3, it is characterised in that: the elastic component (9) is spring, The oblique wedge (10) enters in the guide groove (11) according to the elastic force and gravity of the elastic component (9), locks fast replacing device.
5. battery quick-change device for electric automobile according to claim 1, it is characterised in that: there are two the connecting rod (4) sets, The both ends of the connecting rod (4) are located at the ipsilateral of first sliding block (2) Yu second sliding block (3), another company The both ends of bar (4) are located at first sliding block (2) and the opposite side of second sliding block (3), the connecting rod (4) and described the One sliding block (2) and second sliding block (3) are to be bolted.
6. battery quick-change device for electric automobile according to claim 1, it is characterised in that: further include being arranged described second One far from described first sliding block (2) in the second sliding block (3) is arranged in limited block (12) in track (7), the limited block (12) End, the limited block (12) is for limiting the second sliding block (3) movement process.
7. a kind of electric car, including electric car fast replacing device, battery frame, chassis and chassis runner coordinating block, described electronic Automobile fast replacing device is electric car fast replacing device described in claim 1-6 any one, it is characterised in that: on the battery frame Equipped with straight pin (13), the electric car fast replacing device is fixed the battery frame by the straight pin (13), institute State chassis be equipped with on the electric car fast replacing device fixed plate (1) cooperation auxiliary section, the fixed plate (1) with The auxiliary section interference fit connection;
The chassis runner coordinating block passes through the perforation (5) of the fixed plate (1), is interference fitted with perforation (5) inner wall, institute Chassis runner coordinating block is stated for limiting to the fixed plate (1).
8. electric car according to claim 7, it is characterised in that: described first on the electric car fast replacing device Open Side Down for track (6), and towards first track (6), first sliding block (2) exists the opening of second track (7) It is slided up and down in first track (6), second sliding block (3) horizontally slips in second track (7).
9. a kind of fast changing battery of electric vehicle method, it is characterised in that: the following steps are included:
S1: it is moved to the position of Quick battery-changing device under chassis using empty battery tray device, battery tray device is risen The battery pack being arranged on Quick battery-changing device is held up, the mandril of battery tray device, which rises, jacks up oblique wedge (10), opens electricity The locking mechanism of pond fast replacing device, battery pack are taken out;
S2: being moved to the position of Quick battery-changing device under chassis equipped with the battery tray device of new battery pack, by battery tray Device, which rises, holds up new battery pack, and the straight pin (13) on battery frame jacks up the first sliding block (2), reaches limit of sports record position, Oblique wedge (10) enters guide groove (11) under the action of elastic component (9) at this time, and mechanism is locked;
S3: battery tray device moves down, and the work for changing battery is completed.
10. fast changing battery of electric vehicle method according to claim 9, it is characterised in that: by locking mechanism in step S1 It further include moving down battery tray device after opening, the straight pin (13) on battery frame pushes the second sliding block (3) mobile, Battery pack is fallen into battery tray device, and battery mandril moves down, and battery pack is taken out.
CN201910160617.2A 2019-03-04 2019-03-04 Quick-change device for batteries of electric vehicle, electric vehicle and quick-change method Active CN110001374B (en)

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