CN117087489A - Dismounting device and dismounting method for new energy automobile battery pack - Google Patents
Dismounting device and dismounting method for new energy automobile battery pack Download PDFInfo
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- CN117087489A CN117087489A CN202210520078.0A CN202210520078A CN117087489A CN 117087489 A CN117087489 A CN 117087489A CN 202210520078 A CN202210520078 A CN 202210520078A CN 117087489 A CN117087489 A CN 117087489A
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- floating platform
- battery pack
- rgv trolley
- new energy
- energy automobile
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- 238000000034 method Methods 0.000 title claims abstract description 49
- 238000009434 installation Methods 0.000 claims abstract description 38
- 238000001514 detection method Methods 0.000 claims description 25
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION 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
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/80—Exchanging energy storage elements, e.g. removable batteries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT 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
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT 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
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
- B60K2001/0455—Removal or replacement of the energy storages
Abstract
The invention provides a disassembly and assembly device and a disassembly and assembly method for a battery pack of a new energy automobile, wherein the new energy automobile comprises the battery pack and a fixed bracket, a positioning hole and a locking mechanism are arranged on the fixed bracket, and the disassembly and assembly device comprises: the RGV trolley, a floating platform which is connected to the RGV trolley in a floating manner, and a locating pin and an unlocking rod which are fixedly connected to the floating platform are connected with a driving module which can move up and down relative to the floating platform; the dismounting device is provided with a plurality of working positions: preparing a disassembly position, disassembling a removal position, disassembling a position, preparing an installation position, installing a removal position and an installation position. According to the dismounting device and the dismounting method for the battery pack of the new energy automobile, the safety is improved.
Description
Technical Field
The invention relates to the technical field of new energy automobiles, in particular to a device and a method for disassembling and assembling a battery pack of a new energy automobile.
Background
The electric automobile power conversion safety requirement specifies minimum power conversion times of 5000 times (fastening type) and 1500 times (bolt type) respectively so as to ensure the mechanical safety of a user when power is converted in the design service life of the vehicle.
The electric automobile power conversion safety requirement specifies minimum power conversion times of 5000 times (fastening type) and 1500 times (bolt type) respectively so as to ensure the mechanical safety of a user when power is converted in the design service life of the vehicle.
In this way, in the electric automobile 'power changing mode', the battery pack is detached and installed to be the most core link, and the stable reliability and the safety performance of the power changing station can be reflected most, and the traditional 'power changing mode' is realized by using a motor to drive a part to lock and unlock because the battery pack is convenient to detach, however, the unlocking mode does not substantially judge whether the battery pack is truly detached or installed in place after unlocking is finished, so that the problem of safety is caused, and the service effect of an operator and the potential safety hazard of a user are also influenced.
Disclosure of Invention
Based on the defects in the prior art, the invention aims to provide a safe and reliable disassembly and assembly device and a disassembly and assembly method for a battery pack of a new energy automobile.
In order to achieve the above object, the present invention provides a disassembly and assembly device for a battery pack of a new energy automobile, which is used for disassembling and assembling the battery pack of the new energy automobile, wherein the new energy automobile comprises a battery pack and a fixing bracket, the fixing bracket is fixed on the new energy automobile and is detachably connected with the battery pack, a positioning hole and a locking mechanism are arranged on the fixing bracket, the locking mechanism locks or unlocks the battery pack, and the disassembly and assembly device comprises: the RGV trolley, a floating platform which is connected to the RGV trolley in a floating manner, and a locating pin and an unlocking rod which are fixedly connected to the floating platform are connected with a driving module which can move up and down relative to the floating platform; the dismounting device is provided with a plurality of working positions:
Preparing a disassembly position, wherein the RGV trolley ascends from an initial position to drive the floating platform and the locating pin to ascend, and meanwhile, the locating pin moves upwards relative to the floating platform, and the horizontal plane of the tail end of the locating pin is approximately flush with the horizontal plane of the locating hole;
disassembling and withdrawing, namely continuously lifting the RGV trolley to drive the floating platform and the locating pin to continuously lift, and enabling the locating pin to extend into the locating hole firstly and then downwards move relative to the floating platform to withdraw to the original point of the RGV trolley;
the disassembly position is used for enabling the RGV trolley to continuously ascend and driving the floating platform to continuously ascend, and the floating platform is in contact with the battery pack to provide a first support; the unlocking rod moves upwards relative to the floating platform to be in contact with the locking mechanism, the locking mechanism is unlocked, the battery pack is unlocked from the new energy automobile, and the floating platform provides a second support for the battery pack;
preparing an installation position, wherein the RGV trolley ascends from an initial position to drive the floating platform, the locating pin and the battery pack to ascend, and meanwhile, the locating pin moves upwards relative to the floating platform, and the horizontal plane of the tail end of the locating pin is approximately flush with the horizontal plane of the locating hole;
The RGV trolley is installed and withdrawn, and continuously ascends to drive the floating platform and the locating pin to continuously ascend, and the locating pin firstly stretches into the locating hole and then moves downwards relative to the floating platform to withdraw to the original point of the RGV trolley;
the installation position, RGV dolly continues to rise, drives floating platform with the battery package continues to rise, the battery package with the fixed bolster contact on the new energy automobile, locking mechanical system locks, the battery package lock is in on the new energy automobile, floating platform with the battery package keeps contact and provides the third support.
In an embodiment, the dismounting device further comprises a plurality of sensors, wherein the plurality of sensors are respectively positioned at different positions on the floating platform and used for detecting whether the battery pack is completely supported on the floating platform or completely separated from the floating platform; the dismounting device is provided with a plurality of working positions:
a disassembly detection position, wherein the RGV trolley descends a second distance relative to the disassembly position, and a plurality of sensors detect whether the battery pack is completely supported on the floating platform; if all sensors detect that the battery pack is fully supported on the floating platform, the RGV trolley continues to descend; if any sensor detects that the battery pack is not supported on the floating platform, the RGV trolley reversely ascends to return to the disassembly position, the unlocking rod ascends to be in contact with the locking mechanism, the locking mechanism is unlocked, then the RGV trolley continuously descends to return to the disassembly detection position, and if any sensor still detects that the number of times that the battery pack is not supported on the floating platform reaches a first preset number of times, an alarm is given;
A mounting detection bit, the RGV trolley being lowered a third distance relative to the mounting bit, the plurality of sensors detecting whether the battery pack is completely out of support of the floating platform; if all sensors detect that the battery pack is completely out of support of the floating platform, the RGV trolley continues to descend; if any sensor detects that the battery pack is supported on the floating platform, the RGV trolley reversely ascends to return to the installation position, the battery pack is in contact with a fixed support on the new energy automobile, the locking mechanism is locked, then the RGV trolley continuously descends to return to the installation detection position, and if any sensor still detects that the number of times the battery pack is supported on the floating platform reaches a second preset number of times, an alarm is given.
In one embodiment, the dismounting device further comprises an electromagnetic lock connected between the floating platform and the RGV trolley; when the electromagnetic lock is closed, the floating platform is in floating connection relative to the RGV trolley; when the electromagnetic lock is opened, the floating platform is fixedly connected relative to the RGV trolley; wherein:
in the disassembly detection position, if all the sensors detect that the battery pack is completely supported on the floating platform, the electromagnetic lock is switched from a closed state to an open state;
In the preparation installation position, the electromagnetic lock is in a closed state; the electromagnetic lock is in an open state before the installation position is prepared.
The invention also provides a disassembly and assembly method of the new energy automobile battery pack, which comprises the following steps:
step one, a new energy automobile moves to a working position, and a disassembly and assembly device moves to an initial position; the new energy automobile comprises a battery pack and a fixed bracket, wherein the fixed bracket is fixed on the new energy automobile and is detachably connected with the battery pack, a positioning hole and a locking mechanism are arranged on the fixed bracket, and the locking mechanism locks or unlocks the battery pack; the dismounting device comprises an RGV trolley, a floating platform which is connected with the RGV trolley in a floating manner, and a locating pin and an unlocking rod which are fixedly connected to the floating platform, wherein the locating pin and the unlocking rod are both connected with a driving module which can move up and down relative to the floating platform; the battery pack of the new energy automobile corresponds to the dismounting device in position up and down;
step two, the RGV trolley ascends to drive the floating platform to ascend, the floating platform is in contact with the battery pack to provide a first support, and the dismounting device is positioned at the dismounting position;
Step three, the unlocking rod moves upwards relative to the floating platform to be in contact with the locking mechanism, the locking mechanism is unlocked, the battery pack is unlocked from the new energy automobile, and the floating platform provides a second support for the battery pack;
and step four, the RGV trolley descends to drive the floating platform and the battery pack to descend and return to an initial position.
In one embodiment, the step two includes:
step two, the RGV trolley ascends from an initial position to drive the floating platform and the locating pin to ascend, meanwhile, the locating pin moves upwards relative to the floating platform, the horizontal plane of the tail end of the locating pin is approximately flush with the horizontal plane of the locating hole, and the dismounting device is positioned at a position ready to be dismounted;
step two, the RGV trolley continuously ascends to drive the floating platform and the locating pin to continuously ascend, the locating pin firstly stretches into the locating hole and then moves downwards relative to the floating platform to withdraw to the original point of the RGV trolley, and the dismounting device is positioned at the dismounting withdrawal position; the positioning pin stretches into the positioning hole and is blocked to alarm;
and step two, the RGV trolley continuously ascends to drive the floating platform to continuously ascend, the floating platform is in contact with the battery pack to provide a first support, and the dismounting device is positioned at the dismounting position.
In an embodiment, the step four includes:
step four, the RGV trolley descends, and the unlocking rod continues to ascend for a first distance;
step four, the RGV trolley descends for a second distance, the dismounting device is positioned at a dismounting detection position, and a plurality of sensors arranged on the dismounting device detect whether the battery pack is completely supported on the floating platform or not; if all the sensors detect that the battery pack is completely supported on the floating platform, an electromagnetic lock arranged on the dismounting device is started, the floating platform is fixedly connected relative to the RGV trolley, and the RGV trolley continuously descends; if any sensor detects that the battery pack is not supported on the floating platform, the RGV trolley reversely ascends to return to the disassembly position, the unlocking rod ascends to contact with the locking mechanism to unlock the locking mechanism, then step four is executed, and if any sensor still detects that the number of times that the battery pack is not supported on the floating platform reaches a first preset number of times, an alarm is given;
and step four, the RGV trolley continues to descend until returning to the initial position.
In an embodiment, the disassembling and assembling method further comprises:
And fifthly, horizontally moving the RGV trolley to a battery pack exchange position.
In an embodiment, the disassembling and assembling method further comprises:
step six, moving the new energy automobile to a working position, moving the dismounting device to an initial position, and placing a new battery pack on the floating platform;
step seven, the RGV trolley ascends to drive the floating platform and the battery pack to ascend, the battery pack is contacted with a fixed bracket on the new energy automobile, the locking mechanism is locked, the battery pack is locked on the new energy automobile, the floating platform is kept in contact with the battery pack to provide a third support, and the dismounting device is positioned at an installation position;
and step eight, the RGV trolley descends and returns to an initial position.
In an embodiment, the step seven includes:
seventhly, the RGV trolley ascends from an initial position to drive the floating platform, the locating pin and the battery pack to ascend, meanwhile, the locating pin moves upwards relative to the floating platform, the horizontal plane of the tail end of the locating pin is approximately level with the horizontal plane of the locating hole, and the dismounting device is located at a ready-to-mount position;
seventhly, the RGV trolley continuously ascends to drive the floating platform and the locating pin to continuously ascend, the locating pin firstly stretches into the locating hole and then moves downwards relative to the floating platform to withdraw to the original point of the RGV trolley, and the dismounting device is positioned at the mounting withdrawal position; the positioning pin stretches into the positioning hole and is blocked to alarm;
And seventhly, the RGV trolley continuously ascends to drive the floating platform and the battery pack to continuously ascend, the battery pack is contacted with the fixed support on the new energy automobile, the locking mechanism is locked, the battery pack is locked on the new energy automobile, the floating platform is kept in contact with the battery pack to provide a third support, and the dismounting device is positioned at the mounting position.
In an embodiment, the step eight includes:
eighth step, the RGV trolley descends for a third distance, the dismounting device is positioned at the mounting detection position, and a plurality of sensors arranged on the dismounting device detect whether the battery pack is completely separated from the support of the floating platform; if all sensors detect that the battery pack is completely out of support of the floating platform, the RGV trolley continues to descend; if any sensor detects that the battery pack is supported on the floating platform, the RGV trolley reversely ascends to return to the installation position, then the eighth step is executed, and if any sensor still detects that the number of times the battery pack is supported on the floating platform reaches a second preset number of times, an alarm is given;
and step eight, the RGV trolley continues to descend until returning to the initial position.
Therefore, the disassembly and assembly device and the disassembly and assembly method of the new energy automobile battery pack improve the safety of the battery pack disassembly and assembly process through the cooperation of the RGV trolley, the floating platform, the positioning pin and the unlocking rod, and the cooperation of the disassembly position, the disassembly withdrawal position, the disassembly position, the installation withdrawal position and the installation position; and through the cooperation of sensor, electromagnetic lock and disassembling detection position, installation detection position, further promoted the security.
Drawings
The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, proportional sizes, and the like of the respective components in the drawings are merely illustrative for aiding in understanding the present invention, and are not particularly limited. Those skilled in the art with access to the teachings of the present invention can select a variety of possible shapes and scale sizes to practice the present invention as the case may be. In the drawings:
fig. 1 is a schematic structural diagram of a device for disassembling and assembling a battery pack of a new energy automobile according to a first embodiment of the present invention;
fig. 2 is a schematic partial flow chart of a method for disassembling and assembling a battery pack of a new energy automobile according to a second embodiment of the present invention;
Fig. 3 is a schematic flow chart of another part of the method for disassembling and assembling a battery pack of a new energy automobile according to the second embodiment of the present invention.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, shall fall within the scope of the invention.
Referring to fig. 1, a first embodiment of the present invention provides a device for disassembling a battery pack of a new energy vehicle, which is used for disassembling the battery pack of the new energy vehicle. The new energy automobile comprises a battery pack and a fixing support, wherein the fixing support is fixed on the new energy automobile and detachably connected with the battery pack, a positioning hole and a locking mechanism are arranged on the fixing support, and the locking mechanism locks or unlocks the battery pack. The dismounting device comprises: RGV dolly (Rail Guide Vehicle, also known as rail mounted automated guided vehicle or rail mounted shuttle dolly) 1, floating platform 2 that connects to on the RGV dolly and fixed connection to locating pin 3 and unlocking lever 4 on the floating platform, locating pin 3 with unlocking lever 4 all are connected with drive module can for floating platform 2 up-and-down motion.
The floating platform 2 is in floating connection with the RGV trolley 1, and a certain movable space is reserved for the floating platform 2 relative to the RGV trolley 1 and the new energy automobile in the aligning process of the positioning pin 3 of the dismounting device and the positioning hole of the battery pack, so that the quick, accurate and safe alignment is facilitated, and the risk of equipment damage caused by rigid connection and misalignment is avoided.
In one embodiment, the dismounting device has a plurality of working positions:
preparing a disassembly position, wherein the RGV trolley ascends from an initial position to drive the floating platform and the locating pin to ascend, and meanwhile, the locating pin moves upwards relative to the floating platform, and the horizontal plane of the tail end of the locating pin is approximately flush with the horizontal plane of the locating hole;
disassembling and withdrawing, namely continuously lifting the RGV trolley to drive the floating platform and the locating pin to continuously lift, and enabling the locating pin to extend into the locating hole firstly and then downwards move relative to the floating platform to withdraw to the original point of the RGV trolley;
the disassembly position is used for enabling the RGV trolley to continuously ascend and driving the floating platform to continuously ascend, and the floating platform is in contact with the battery pack to provide a first support; the unlocking rod moves upwards relative to the floating platform to be in contact with the locking mechanism, the locking mechanism is unlocked, the battery pack is unlocked from the new energy automobile, and the floating platform provides a second support for the battery pack;
Preparing an installation position, wherein the RGV trolley ascends from an initial position to drive the floating platform, the locating pin and the battery pack to ascend, and meanwhile, the locating pin moves upwards relative to the floating platform, and the horizontal plane of the tail end of the locating pin is approximately flush with the horizontal plane of the locating hole;
the RGV trolley is installed and withdrawn, and continuously ascends to drive the floating platform and the locating pin to continuously ascend, and the locating pin firstly stretches into the locating hole and then moves downwards relative to the floating platform to withdraw to the original point of the RGV trolley;
the installation position, RGV dolly continues to rise, drives floating platform with the battery package continues to rise, the battery package with the fixed bolster contact on the new energy automobile, locking mechanical system locks, the battery package lock is in on the new energy automobile, floating platform with the battery package keeps contact and provides the third support.
In this way, when disassembling, the disassembling device moves from the initial position to the disassembling preparation position, then to the disassembling removal position, then to the disassembling position and then to the initial position; when in installation, the dismounting device moves from an initial position to an installation preparation position, then to an installation removal position, then to an installation position and then to the initial position; the overall safety of the disassembly and assembly process is improved. The locking mechanism can be triggered and locked only by lifting the battery pack dismounting device to be contacted with the fixed support or can be unlocked only by lifting the unlocking rod to be contacted.
In an embodiment, the dismounting device further includes a plurality of sensors 5, and the plurality of sensors 5 are respectively located at different positions on the floating platform, so as to detect whether the battery pack is completely supported on the floating platform or completely separated from the floating platform. Correspondingly, the dismounting device is provided with a plurality of working positions:
a disassembly detection position, wherein the RGV trolley descends a second distance relative to the disassembly position, and a plurality of sensors detect whether the battery pack is completely supported on the floating platform; if all sensors detect that the battery pack is fully supported on the floating platform, the RGV trolley continues to descend; if any sensor detects that the battery pack is not supported on the floating platform, the RGV trolley reversely ascends to return to the disassembly position, the unlocking rod ascends to be in contact with the locking mechanism, the locking mechanism is unlocked, then the RGV trolley continuously descends to return to the disassembly detection position, and if any sensor still detects that the number of times that the battery pack is not supported on the floating platform reaches a first preset number of times, an alarm is given;
a mounting detection bit, the RGV trolley being lowered a third distance relative to the mounting bit, the plurality of sensors detecting whether the battery pack is completely out of support of the floating platform; if all sensors detect that the battery pack is completely out of support of the floating platform, the RGV trolley continues to descend; if any sensor detects that the battery pack is supported on the floating platform, the RGV trolley reversely ascends to return to the installation position, the battery pack is in contact with a fixed support on the new energy automobile, the locking mechanism is locked, then the RGV trolley continuously descends to return to the installation detection position, and if any sensor still detects that the number of times the battery pack is supported on the floating platform reaches a second preset number of times, an alarm is given.
Therefore, in the disassembling process, the battery pack can be ensured to be completely separated from the new energy automobile and be completely supported on the disassembling and assembling device, and in the mounting process, the battery pack can be ensured to be completely separated from the supporting of the disassembling and assembling device and be completely locked on the new energy automobile, so that the safety is improved.
In one embodiment, the dismounting device further comprises an electromagnetic lock 6 connected between the floating platform and the RGV trolley; when the electromagnetic lock 6 is closed, the floating platform 2 is in floating connection relative to the RGV trolley 1; when the electromagnetic lock 6 is opened, the floating platform 2 is fixedly connected relative to the RGV trolley 1; wherein:
in the disassembly detection position, if all the sensors detect that the battery pack is completely supported on the floating platform, the electromagnetic lock is switched from a closed state to an open state;
in the preparation installation position, the electromagnetic lock is in a closed state; the electromagnetic lock is in an open state before the installation position is prepared.
Therefore, when alignment is needed, the floating platform 2 is kept in a floating state, when alignment is not needed, such as when movement is needed, the battery pack is generally integrally supported on the floating platform 2, and when the floating platform 2 is in a fixed state, the risk of shaking and falling of the battery pack due to floating of the floating platform 2 is avoided, and safety is improved.
Correspondingly, based on the dismounting device, the invention further provides a dismounting method of the new energy automobile battery pack. Of course, in other embodiments, the above-described attachment/detachment device may be omitted, and other suitable attachment/detachment devices may be used.
Referring to fig. 2, a second embodiment of the present invention provides a method for disassembling a battery pack of a new energy automobile, the method comprising:
step one, a new energy automobile moves to a working position, and a disassembly and assembly device moves to an initial position; the new energy automobile comprises a battery pack and a fixed bracket, wherein the fixed bracket is fixed on the new energy automobile and is detachably connected with the battery pack, a positioning hole and a locking mechanism are arranged on the fixed bracket, and the locking mechanism locks or unlocks the battery pack; the dismounting device comprises an RGV trolley, a floating platform which is connected with the RGV trolley in a floating manner, and a locating pin and an unlocking rod which are fixedly connected to the floating platform, wherein the locating pin and the unlocking rod are both connected with a driving module which can move up and down relative to the floating platform; the battery pack of the new energy automobile corresponds to the dismounting device in position up and down;
step two, the RGV trolley ascends to drive the floating platform to ascend, the floating platform is in contact with the battery pack to provide a first support, and the dismounting device is positioned at the dismounting position;
Step three, the unlocking rod moves upwards relative to the floating platform to be in contact with the locking mechanism, the locking mechanism is unlocked, the battery pack is unlocked from the new energy automobile, and the floating platform provides a second support for the battery pack;
and step four, the RGV trolley descends to drive the floating platform and the battery pack to descend and return to an initial position.
The new energy automobile can automatically drive to the working position, or can be driven to the preset position before being lifted to the working position by other special equipment. The dismounting device can be always positioned at the initial position, and can also horizontally move from other positions (such as a battery pack exchange position for replacing a battery pack) to the initial position. In the second step, the dismounting device is located at the dismounting position, the top surface of the floating platform is slightly higher than the bottom surface of the battery pack, so that the floating platform provides a first support for the battery pack, potential safety hazards caused by the fact that the battery pack directly falls on the floating platform during subsequent unlocking are avoided, and safety is improved.
In one embodiment, the step two includes:
step two, the RGV trolley ascends from an initial position to drive the floating platform and the locating pin to ascend, meanwhile, the locating pin moves upwards relative to the floating platform, the horizontal plane of the tail end of the locating pin is approximately flush with the horizontal plane of the locating hole, and the dismounting device is positioned at a position ready to be dismounted;
Step two, the RGV trolley continuously ascends to drive the floating platform and the locating pin to continuously ascend, the locating pin firstly stretches into the locating hole and then moves downwards relative to the floating platform to withdraw to the original point of the RGV trolley, and the dismounting device is positioned at the dismounting withdrawal position; the positioning pin stretches into the positioning hole and is blocked to alarm;
and step two, the RGV trolley continuously ascends to drive the floating platform to continuously ascend, the floating platform is in contact with the battery pack to provide a first support, and the dismounting device is positioned at the dismounting position.
So, get on the car through RGV and rise earlier and prepare, then fix a position through the locating pin, the locating pin withdraws to self origin promptly after the location is accomplished in order to prevent that follow-up in the continuous in-process that rises the unblock of RGV dolly from causing the damage to other structures on fixed bolster or the new energy automobile, then continue to rise and disassemble, avoided directly rising to disassemble and brought the damage to battery package and/or dismouting device because of the counterpoint is inaccurate.
In an embodiment, the step four includes:
step four, the RGV trolley descends, and the unlocking rod continues to ascend for a first distance;
Step four, the RGV trolley descends for a second distance, the dismounting device is positioned at a dismounting detection position, and a plurality of sensors arranged on the dismounting device detect whether the battery pack is completely supported on the floating platform or not; if all the sensors detect that the battery pack is completely supported on the floating platform, an electromagnetic lock arranged on the dismounting device is started, the floating platform is fixedly connected relative to the RGV trolley, and the RGV trolley continuously descends; if any sensor detects that the battery pack is not supported on the floating platform, the RGV trolley reversely ascends to return to the disassembly position, the unlocking rod ascends to contact with the locking mechanism to unlock the locking mechanism, then step four is executed, and if any sensor still detects that the number of times that the battery pack is not supported on the floating platform reaches a first preset number of times, an alarm is given;
and step four, the RGV trolley continues to descend until returning to the initial position.
In the fourth step, when the RGV trolley descends from the disassembly position, the unlocking rod continuously ascends for a first distance, so that the locking mechanism is further ensured to be in an unlocking state, the situation that the RGV trolley is sometimes recovered to be in a locking state in the descending process of the RGV trolley due to incomplete unlocking of the locking mechanism is avoided, the disassembly is unsuccessful once, the disassembly efficiency is improved, and the safety is improved.
In the fourth step, whether the battery pack is completely unlocked or not is confirmed in time through the sensor, the battery pack continuously descends after being completely unlocked, the risk that the battery pack is still hung on a new energy automobile due to incomplete unlocking is avoided, the RGV trolley descends again if the battery pack is still hung on the new energy automobile due to incomplete unlocking, and at the moment, if the battery pack naturally drops due to the gravity factor, the battery pack and/or the dismounting device are easily damaged. And after the battery pack is completely unlocked, the floating platform is fixedly connected relative to the RGV trolley, the floating platform is not floating any more, the battery pack is ensured not to shake and fall due to the floating of the floating platform in the descending and subsequent moving processes, and the safety is improved. In one embodiment, the first predetermined number of times is three.
In one embodiment, the RGV cart returns to its original position with the battery pack, and the disassembled old battery pack needs to be sent to a warehouse to be replaced with a new battery pack for installation, so the disassembly and assembly method further includes:
and fifthly, horizontally moving the RGV trolley to a battery pack exchange position.
The disassembly process of the battery pack is described above, and correspondingly, the disassembly and assembly method of the invention also comprises the assembly process of the battery pack, and when the battery pack is assembled, the old battery pack on the new energy automobile is required to be disassembled firstly (namely the disassembly process is described above), then the new battery pack is assembled, and the new battery pack can be directly assembled without the old battery pack on the new energy automobile.
Therefore, referring to fig. 3, in one embodiment, the method further includes:
step six, moving the new energy automobile to a working position, moving the dismounting device to an initial position, and placing a new battery pack on the floating platform;
step seven, the RGV trolley ascends to drive the floating platform and the battery pack to ascend, the battery pack is contacted with a fixed bracket on the new energy automobile, the locking mechanism is locked, the battery pack is locked on the new energy automobile, the floating platform is kept in contact with the battery pack to provide a third support, and the dismounting device is positioned at an installation position;
and step eight, the RGV trolley descends and returns to an initial position.
In an embodiment, the step seven includes:
seventhly, the RGV trolley ascends from an initial position to drive the floating platform, the locating pin and the battery pack to ascend, meanwhile, the locating pin moves upwards relative to the floating platform, the horizontal plane of the tail end of the locating pin is approximately level with the horizontal plane of the locating hole, and the dismounting device is located at a ready-to-mount position;
seventhly, the RGV trolley continuously ascends to drive the floating platform and the locating pin to continuously ascend, the locating pin firstly stretches into the locating hole and then moves downwards relative to the floating platform to withdraw to the original point of the RGV trolley, and the dismounting device is positioned at the mounting withdrawal position; the positioning pin stretches into the positioning hole and is blocked to alarm;
And seventhly, the RGV trolley continuously ascends to drive the floating platform and the battery pack to continuously ascend, the battery pack is contacted with the fixed support on the new energy automobile, the locking mechanism is locked, the battery pack is locked on the new energy automobile, the floating platform is kept in contact with the battery pack to provide a third support, and the dismounting device is positioned at the mounting position.
In an embodiment, the step eight includes:
eighth step, the RGV trolley descends for a third distance, the dismounting device is positioned at the mounting detection position, and a plurality of sensors arranged on the dismounting device detect whether the battery pack is completely separated from the support of the floating platform; if all sensors detect that the battery pack is completely out of support of the floating platform, the RGV trolley continues to descend; if any sensor detects that the battery pack is supported on the floating platform, the RGV trolley reversely ascends to return to the installation position, then the eighth step is executed, and if any sensor still detects that the number of times the battery pack is supported on the floating platform reaches a second preset number of times, an alarm is given;
and step eight, the RGV trolley continues to descend until returning to the initial position.
The content of the disassembly process can be easily understood, and the safety of the assembly process of the disassembly method is ensured. In the sixth step, the dismounting device can horizontally move from the battery pack exchange position to the initial position, in the process, the electromagnetic lock is in an open state, the floating platform is not in a floating state but in a fixed state, the battery pack on the dismounting device is ensured not to shake and fall due to the floating of the floating platform, and the safety is improved. The electromagnetic lock is unlocked at the latest before the positioning pin stretches into the positioning hole in the seventeenth step, so that the positioning pin and the positioning hole are aligned. Also, similar to the disassembly process, the RGV cart may be moved horizontally to the battery pack exchange position again after returning to the initial position during installation. The second predetermined number of times may be the same as the first predetermined number of times, and in a specific embodiment, three times may be different from the first predetermined number of times.
Finally, it should be noted that the moving distance of each moving process involved in the dismounting device and the dismounting method of the new energy automobile battery pack can be adjusted and set according to different actual conditions.
Therefore, the disassembly and assembly device and the disassembly and assembly method of the new energy automobile battery pack improve the safety of the battery pack disassembly and assembly process through the cooperation of the RGV trolley, the floating platform, the positioning pin and the unlocking rod, and the cooperation of the disassembly position, the disassembly withdrawal position, the disassembly position, the installation withdrawal position and the installation position; and through the cooperation of sensor, electromagnetic lock and disassembling detection position, installation detection position, further promoted the security.
It is to be understood that the above description is intended to be illustrative, and not restrictive. Many embodiments and many applications other than the examples provided will be apparent to those of skill in the art upon reading the above description. The scope of the present teachings should, therefore, be determined not with reference to the above description, but instead should be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled. The disclosures of all articles and references, including patent applications and publications, are incorporated herein by reference for the purpose of completeness. The omission of any aspect of the subject matter disclosed herein in the preceding claims is not intended to forego such subject matter, nor should the applicant be deemed to have such subject matter not considered to be part of the disclosed subject matter.
Claims (10)
1. The utility model provides a dismouting device of new energy automobile battery package for carry out the dismouting to new energy automobile's battery package, new energy automobile includes battery package, fixed bolster, the fixed bolster be fixed in on the new energy automobile, and with the battery package is dismantled and is connected, be equipped with locating hole and locking mechanical system on the fixed bolster, locking mechanical system is right the battery package locks or the unblock, its characterized in that, dismouting device includes: the RGV trolley, a floating platform which is connected to the RGV trolley in a floating manner, and a locating pin and an unlocking rod which are fixedly connected to the floating platform are connected with a driving module which can move up and down relative to the floating platform; the dismounting device is provided with a plurality of working positions:
Preparing a disassembly position, wherein the RGV trolley ascends from an initial position to drive the floating platform and the locating pin to ascend, and meanwhile, the locating pin moves upwards relative to the floating platform, and the horizontal plane of the tail end of the locating pin is approximately flush with the horizontal plane of the locating hole;
disassembling and withdrawing, namely continuously lifting the RGV trolley to drive the floating platform and the locating pin to continuously lift, and enabling the locating pin to extend into the locating hole firstly and then downwards move relative to the floating platform to withdraw to the original point of the RGV trolley;
the disassembly position is used for enabling the RGV trolley to continuously ascend and driving the floating platform to continuously ascend, and the floating platform is in contact with the battery pack to provide a first support; the unlocking rod moves upwards relative to the floating platform to be in contact with the locking mechanism, the locking mechanism is unlocked, the battery pack is unlocked from the new energy automobile, and the floating platform provides a second support for the battery pack;
preparing an installation position, wherein the RGV trolley ascends from an initial position to drive the floating platform, the locating pin and the battery pack to ascend, and meanwhile, the locating pin moves upwards relative to the floating platform, and the horizontal plane of the tail end of the locating pin is approximately flush with the horizontal plane of the locating hole;
The RGV trolley is installed and withdrawn, and continuously ascends to drive the floating platform and the locating pin to continuously ascend, and the locating pin firstly stretches into the locating hole and then moves downwards relative to the floating platform to withdraw to the original point of the RGV trolley;
the installation position, RGV dolly continues to rise, drives floating platform with the battery package continues to rise, the battery package with the fixed bolster contact on the new energy automobile, locking mechanical system locks, the battery package lock is in on the new energy automobile, floating platform with the battery package keeps contact and provides the third support.
2. The apparatus for disassembling and assembling a battery pack of a new energy vehicle according to claim 1, wherein the apparatus for disassembling and assembling further comprises a plurality of sensors, the plurality of sensors are respectively positioned at different positions on the floating platform, and detect whether the battery pack is completely supported on the floating platform or completely separated from the floating platform; the dismounting device is provided with a plurality of working positions:
a disassembly detection position, wherein the RGV trolley descends a second distance relative to the disassembly position, and a plurality of sensors detect whether the battery pack is completely supported on the floating platform; if all sensors detect that the battery pack is fully supported on the floating platform, the RGV trolley continues to descend; if any sensor detects that the battery pack is not supported on the floating platform, the RGV trolley reversely ascends to return to the disassembly position, the unlocking rod ascends to be in contact with the locking mechanism, the locking mechanism is unlocked, then the RGV trolley continuously descends to return to the disassembly detection position, and if any sensor still detects that the number of times that the battery pack is not supported on the floating platform reaches a first preset number of times, an alarm is given;
A mounting detection bit, the RGV trolley being lowered a third distance relative to the mounting bit, the plurality of sensors detecting whether the battery pack is completely out of support of the floating platform; if all sensors detect that the battery pack is completely out of support of the floating platform, the RGV trolley continues to descend; if any sensor detects that the battery pack is supported on the floating platform, the RGV trolley reversely ascends to return to the installation position, the battery pack is in contact with a fixed support on the new energy automobile, the locking mechanism is locked, then the RGV trolley continuously descends to return to the installation detection position, and if any sensor still detects that the number of times the battery pack is supported on the floating platform reaches a second preset number of times, an alarm is given.
3. The apparatus for disassembling and assembling a battery pack of a new energy vehicle according to claim 2, further comprising an electromagnetic lock connected between the floating platform and the RGV cart; when the electromagnetic lock is closed, the floating platform is in floating connection relative to the RGV trolley; when the electromagnetic lock is opened, the floating platform is fixedly connected relative to the RGV trolley; wherein:
In the disassembly detection position, if all the sensors detect that the battery pack is completely supported on the floating platform, the electromagnetic lock is switched from a closed state to an open state;
in the preparation installation position, the electromagnetic lock is in a closed state; the electromagnetic lock is in an open state before the installation position is prepared.
4. The disassembly and assembly method of the new energy automobile battery pack is characterized by comprising the following steps of:
step one, a new energy automobile moves to a working position, and a disassembly and assembly device moves to an initial position; the new energy automobile comprises a battery pack and a fixed bracket, wherein the fixed bracket is fixed on the new energy automobile and is detachably connected with the battery pack, a positioning hole and a locking mechanism are arranged on the fixed bracket, and the locking mechanism locks or unlocks the battery pack; the dismounting device comprises an RGV trolley, a floating platform which is connected with the RGV trolley in a floating manner, and a locating pin and an unlocking rod which are fixedly connected to the floating platform, wherein the locating pin and the unlocking rod are both connected with a driving module which can move up and down relative to the floating platform; the battery pack of the new energy automobile corresponds to the dismounting device in position up and down;
Step two, the RGV trolley ascends to drive the floating platform to ascend, the floating platform is in contact with the battery pack to provide a first support, and the dismounting device is positioned at the dismounting position;
step three, the unlocking rod moves upwards relative to the floating platform to be in contact with the locking mechanism, the locking mechanism is unlocked, the battery pack is unlocked from the new energy automobile, and the floating platform provides a second support for the battery pack;
and step four, the RGV trolley descends to drive the floating platform and the battery pack to descend and return to an initial position.
5. The method for disassembling and assembling the battery pack of the new energy automobile according to claim 4, wherein the second step comprises:
step two, the RGV trolley ascends from an initial position to drive the floating platform and the locating pin to ascend, meanwhile, the locating pin moves upwards relative to the floating platform, the horizontal plane of the tail end of the locating pin is approximately flush with the horizontal plane of the locating hole, and the dismounting device is positioned at a position ready to be dismounted;
step two, the RGV trolley continuously ascends to drive the floating platform and the locating pin to continuously ascend, the locating pin firstly stretches into the locating hole and then moves downwards relative to the floating platform to withdraw to the original point of the RGV trolley, and the dismounting device is positioned at the dismounting withdrawal position; the positioning pin stretches into the positioning hole and is blocked to alarm;
And step two, the RGV trolley continuously ascends to drive the floating platform to continuously ascend, the floating platform is in contact with the battery pack to provide a first support, and the dismounting device is positioned at the dismounting position.
6. The method for disassembling and assembling the battery pack of the new energy automobile according to claim 4, wherein in the fourth step, the method comprises the following steps:
step four, the RGV trolley descends, and the unlocking rod continues to ascend for a first distance;
step four, the RGV trolley descends for a second distance, the dismounting device is positioned at a dismounting detection position, and a plurality of sensors arranged on the dismounting device detect whether the battery pack is completely supported on the floating platform or not; if all the sensors detect that the battery pack is completely supported on the floating platform, an electromagnetic lock arranged on the dismounting device is started, the floating platform is fixedly connected relative to the RGV trolley, and the RGV trolley continuously descends; if any sensor detects that the battery pack is not supported on the floating platform, the RGV trolley reversely ascends to return to the disassembly position, the unlocking rod ascends to contact with the locking mechanism to unlock the locking mechanism, then step four is executed, and if any sensor still detects that the number of times that the battery pack is not supported on the floating platform reaches a first preset number of times, an alarm is given;
And step four, the RGV trolley continues to descend until returning to the initial position.
7. The method for disassembling and assembling a battery pack for a new energy automobile according to claim 4, wherein the method for disassembling and assembling further comprises:
and fifthly, horizontally moving the RGV trolley to a battery pack exchange position.
8. The method for disassembling and assembling a battery pack for a new energy automobile according to claim 4, wherein the method for disassembling and assembling further comprises:
step six, moving the new energy automobile to a working position, moving the dismounting device to an initial position, and placing a new battery pack on the floating platform;
step seven, the RGV trolley ascends to drive the floating platform and the battery pack to ascend, the battery pack is contacted with a fixed bracket on the new energy automobile, the locking mechanism is locked, the battery pack is locked on the new energy automobile, the floating platform is kept in contact with the battery pack to provide a third support, and the dismounting device is positioned at an installation position;
and step eight, the RGV trolley descends and returns to an initial position.
9. The method for disassembling and assembling the battery pack of the new energy automobile according to claim 8, wherein in the seventh step, the method comprises:
seventhly, the RGV trolley ascends from an initial position to drive the floating platform, the locating pin and the battery pack to ascend, meanwhile, the locating pin moves upwards relative to the floating platform, the horizontal plane of the tail end of the locating pin is approximately level with the horizontal plane of the locating hole, and the dismounting device is located at a ready-to-mount position;
Seventhly, the RGV trolley continuously ascends to drive the floating platform and the locating pin to continuously ascend, the locating pin firstly stretches into the locating hole and then moves downwards relative to the floating platform to withdraw to the original point of the RGV trolley, and the dismounting device is positioned at the mounting withdrawal position; the positioning pin stretches into the positioning hole and is blocked to alarm;
and seventhly, the RGV trolley continuously ascends to drive the floating platform and the battery pack to continuously ascend, the battery pack is contacted with the fixed support on the new energy automobile, the locking mechanism is locked, the battery pack is locked on the new energy automobile, the floating platform is kept in contact with the battery pack to provide a third support, and the dismounting device is positioned at the mounting position.
10. The method for disassembling a battery pack of a new energy automobile according to claim 8, wherein the step eight comprises:
eighth step, the RGV trolley descends for a third distance, the dismounting device is positioned at the mounting detection position, and a plurality of sensors arranged on the dismounting device detect whether the battery pack is completely separated from the support of the floating platform; if all sensors detect that the battery pack is completely out of support of the floating platform, the RGV trolley continues to descend; if any sensor detects that the battery pack is supported on the floating platform, the RGV trolley reversely ascends to return to the installation position, then the eighth step is executed, and if any sensor still detects that the number of times the battery pack is supported on the floating platform reaches a second preset number of times, an alarm is given;
And step eight, the RGV trolley continues to descend until returning to the initial position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210520078.0A CN117087489A (en) | 2022-05-12 | 2022-05-12 | Dismounting device and dismounting method for new energy automobile battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210520078.0A CN117087489A (en) | 2022-05-12 | 2022-05-12 | Dismounting device and dismounting method for new energy automobile battery pack |
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| Publication Number | Publication Date |
|---|---|
| CN117087489A true CN117087489A (en) | 2023-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210520078.0A Pending CN117087489A (en) | 2022-05-12 | 2022-05-12 | Dismounting device and dismounting method for new energy automobile battery pack |
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| Country | Link |
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| CN (1) | CN117087489A (en) |
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- 2022-05-12 CN CN202210520078.0A patent/CN117087489A/en active Pending
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