CN109203954B - Electric automobile battery pack dismounting and moving device - Google Patents
Electric automobile battery pack dismounting and moving device Download PDFInfo
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- CN109203954B CN109203954B CN201710523213.6A CN201710523213A CN109203954B CN 109203954 B CN109203954 B CN 109203954B CN 201710523213 A CN201710523213 A CN 201710523213A CN 109203954 B CN109203954 B CN 109203954B
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- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 239000002131 composite material Substances 0.000 claims abstract description 11
- 238000005096 rolling process Methods 0.000 claims description 28
- 230000008093 supporting effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 6
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000000452 restraining effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
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- 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
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S5/00—Servicing, maintaining, repairing, or refitting of vehicles
- B60S5/06—Supplying batteries to, or removing batteries from, vehicles
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- 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
- B60K2001/0494—Removal or replacement of the energy storages with arrangements for sliding
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- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Battery Mounting, Suspending (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The invention provides a battery pack dismounting and moving device for an electric automobile, which comprises a composite slide rail, a battery pack and a battery pack fixing device, wherein the composite slide rail is arranged on the battery pack and enables the battery pack to slide in or out of an automobile body in a guiding manner; the battery pack positioning mechanism is arranged on the battery pack and is constructed to be matched with a clamping part arranged on a floor in the vehicle body in a clamping way so as to lock the battery pack on the floor in the vehicle body; the battery pack is characterized by further comprising a travelling wheel rotatably arranged at the bottom of the battery pack and a connecting bridge for forming a sliding path between the inside of the vehicle body and the ground. According to the mobile device for dismounting and mounting the battery pack of the electric automobile, the travelling wheels are arranged on the battery pack, and the connecting bridge is arranged to form a sliding path between the connecting automobile body and the ground, so that the battery pack can be loaded and unloaded, the travelling wheels can be used for transporting the battery pack from the automobile body to a home for charging, and the battery pack can be transported to the automobile body by the travelling wheels for fixing after charging is completed.
Description
Technical Field
The invention relates to the technical field of electric automobiles, in particular to a mobile device for disassembling and assembling a battery pack of an electric automobile.
Background
With the increasing number of automobiles, the influence of automobile exhaust emission on the environment is increasingly serious, new energy automobiles driven by batteries without pollutant emission are gradually popularized under the background, and particularly, low-speed miniature pure electric automobiles which have low servicing quality and small automobile body size and can meet the requirement of urban interior automobiles in mileage are increasingly popular with people. The existing low-speed miniature pure electric vehicle is designed based on the endurance mileage of 100-200 KM, the adopted battery pack can be about 150Kg, and the battery pack can also be charged through a household 220V power supply, but the battery pack is not used for dismounting and mounting the low-speed miniature pure electric vehicle battery pack at present and suitable equipment for transferring the battery pack to a home to charge, so that the popularization and the application of the pure electric vehicle are restricted.
Disclosure of Invention
In view of this, the invention aims to provide a mobile device for dismounting a battery pack of an electric vehicle, so that the battery pack of the electric vehicle can be conveniently transported between a vehicle body and a home, and the popularization and the application of the electric vehicle are facilitated.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
an electric vehicle battery pack mounting and dismounting mobile device for slide-in locking or slide-out unlocking of a battery pack in a vehicle body, the electric vehicle battery pack mounting and dismounting mobile device comprising:
the composite slide rail is arranged between the battery pack and the vehicle body, and can bear external force so that the battery pack slides in or out of the vehicle body in a guiding manner;
the battery pack positioning mechanism is arranged on the battery pack and is constructed to be matched with a clamping part arranged on a floor in the vehicle body in a clamping way so as to lock the battery pack on the floor in the vehicle body;
the travelling wheel is rotatably arranged at the bottom of the battery pack;
and one end of the connecting bridge is hinged to the vehicle body, and the other end of the connecting bridge can be arranged on the ground due to the overturning of the connecting bridge relative to the vehicle body so as to form a sliding path communicated between the inside of the vehicle body and the ground.
Further, the method also comprises the following steps:
the battery pack clamping mechanism is arranged in the vehicle body and can rotate relative to the vehicle body due to the sliding pushing of the battery pack in the vehicle body so as to clamp two opposite sides of the battery pack.
Further, the composite slide rail includes:
the lower sliding rail is fixed on the floor of the vehicle body;
the upper sliding rail is arranged at the bottom of the battery pack and can slide on the lower sliding rail in a guiding manner;
the pull rod is fixedly connected to the upper slide rail and provided with a handle positioned on one side end face of the battery pack, and the handle can drive the battery pack to slide due to the push-pull of the external force, so that the upper slide rail slides into or out of the lower slide rail.
Furthermore, a retainer for rolling and supporting the upper sliding rail relative to the sliding of the lower sliding rail is arranged on the lower sliding rail, and the pull rod is telescopic.
Further, the battery pack positioning mechanism includes:
the positioning part is arranged at the bottom of the battery pack and comprises a bracket and a positioning pin which is arranged on the bracket and can move up and down relative to the battery pack;
the elastic pressing part is pressed against between the positioning pin and the bracket to form elastic pressing force applied to the positioning pin, so that the positioning pin is clamped in the clamping part;
the control part is positioned on one side end face of the battery pack, the control part is provided with a button which is arranged in a sliding mode relative to the battery pack and a pull wire which is connected between the button and the positioning pin, and under the driving of external force, the button forms traction on the positioning pin due to the sliding of the battery pack, so that the positioning pin is separated from the clamping connection with the clamping part.
Further, a handle is fixedly connected to the side end face of the battery pack, and the button is slidably arranged on the handle; the battery pack positioning device comprises a support, a positioning plate and an elastic pressing part, wherein the support is internally provided with the positioning plate which can move up and down relative to the battery pack, the positioning plate is fixedly connected to the positioning plate, and the elastic pressing part is abutted between the support and the positioning plate.
Further, a pulley is rotatably arranged in the bracket, and the pull wire is wound around the pulley and connected with the positioning pin; the clamping portions are positioning holes formed in the floor in the vehicle body, and the positioning portions are two positioning portions arranged at the bottom of the battery pack side by side.
Further, the battery pack clamping mechanism includes:
the clamping parts are arranged in the automobile body in a pivoting mode and are arranged oppositely, the clamping parts are provided with force bearing plates located on the sliding-in path of the battery pack and clamping plates located on one side of the sliding-in path of the battery pack, the force bearing plates enable the clamping parts to rotate around the pivot axes of the clamping parts along with the sliding-in of the battery pack in the automobile body due to the pushing of the battery pack, and therefore the clamping plates are pressed against the side portions of the battery pack.
Furthermore, a pushing plate which can be abutted against the battery pack is arranged between the bearing plates of the two clamping parts, and the two bearing plates are hinged to one side of the pushing plate in a crossing manner; and the pushing plate is hinged with a connecting pin, and the bearing plate is inserted on the connecting pin to form hinged connection with the pushing plate.
Further, the walking wheel is the trident wheel, the connecting bridge is the telescopic, and be equipped with on the connecting bridge right the walking wheel in slide on the connecting bridge carries out the guide structure who leads, and in under the undetached state of battery package, the connecting bridge because of fixed on the automobile body, and can keep off and put one side of battery package.
Compared with the prior art, the invention has the following advantages:
according to the mobile device for disassembling and assembling the battery pack of the electric automobile, the travelling wheels are arranged on the battery pack, and the sliding path connected between the automobile body and the ground can be formed through the arrangement of the connecting bridge, so that the battery pack can be loaded and unloaded, the travelling wheels can be used for transporting the battery pack from the automobile body to a home for charging, and the battery pack can be transported to the automobile body by the travelling wheels for fixing after the charging is finished, so that the battery pack of a pure electric vehicle can be charged at the home, the popularization and application of the electric automobile are facilitated, the battery pack positioning mechanism can be arranged for transporting the battery pack to the automobile body for fixing and positioning after the charging is finished, and the battery pack can slide in the automobile body along a specified track due to the arrangement of the composite slide rail, so that the positioning operation of the battery pack positioning mechanism and the clamping part is facilitated, and the mobile device has better practicability.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a mobile device for dismounting a battery pack of an electric vehicle according to an embodiment of the invention;
fig. 2 is an exploded view of a mobile device for assembling and disassembling a battery pack of an electric vehicle according to an embodiment of the invention;
fig. 3 is a schematic structural view of a composite slide rail according to an embodiment of the present invention;
fig. 4 is an exploded view of the composite slide rail according to the embodiment of the present invention;
fig. 5 is an exploded view of a battery pack positioning mechanism according to an embodiment of the present invention;
fig. 6 is a schematic partial structural view of a battery pack positioning mechanism according to an embodiment of the present invention;
FIG. 7 is a front view of FIG. 6;
fig. 8 is a diagram illustrating a state in which the battery pack clamping mechanism according to the embodiment of the invention clamps the battery pack;
FIG. 9 is a schematic structural diagram of a battery pack clamping mechanism according to an embodiment of the invention;
fig. 10 is an exploded view of a battery pack clamping mechanism according to an embodiment of the invention;
FIG. 11 is a schematic structural view of a connecting pin according to an embodiment of the present invention;
FIG. 12 is a schematic structural diagram of a connecting bridge according to an embodiment of the present invention;
fig. 13 is a schematic structural view of the connection bridge according to the embodiment of the present invention after being stored;
FIG. 14 is a schematic structural view of a mounting seat and a latch lever according to an embodiment of the invention;
description of reference numerals:
1-battery pack, 2-charging port, 3-road wheel, 4-floor, 5-guide rail, 6-handle, 7-lower slide rail, 8-upper slide rail, 9-pull rod, 10-pull rod handle, 11-flanging, 12-mounting hole, 13-rolling groove, 14-second cavity, 15-second rolling groove, 16-second flanging, 17-retainer, 18-rolling piece, 19-stop, 20-bulge, 21-rivet, 22-bracket, 23-positioning pin, 24-button, 2401-button body, 2402-stay wire connecting plate, 25-stay wire, 26-mounting hole, 27-screw, 28-positioning plate, 29-spring, 30-pulley, 31-pin shaft, 32-restraint plate, 33-second mounting hole, 34-bearing end, 35-clamping end, 36-mounting plate, 37-pivot shaft, 38-bearing plate, 39-clamping plate, 40-shaft barrel, 41-torsion spring, 42-elastic buffer block, 43-pushing plate, 44-mounting block, 45-hinge hole, 46-connecting pin, 4601-connecting body, 4602-second hinge hole, 47-plug groove, 48-pin shaft, 49-avoiding groove, 50-connecting bridge, 5001-first bridge, 5002-second bridge, 51-guide groove, 52-mounting seat and 53-latch rod.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The embodiment relates to a battery pack dismounting and moving device for an electric automobile, which is used for sliding in, locking, unlocking and sliding out of a battery pack in an automobile body, and comprises a composite slide rail, wherein the composite slide rail is arranged between the battery pack and the automobile body to bear external force so as to lead the battery pack to slide in or slide out in the automobile body in a guiding manner; and the battery pack positioning mechanism is arranged on the battery pack and can be clamped and matched with a clamping part arranged on the floor in the vehicle body so as to lock the battery pack on the floor in the vehicle body.
The battery pack dismounting and moving device for the electric automobile further comprises a travelling wheel rotatably arranged at the bottom of the battery pack, and a connecting bridge with one end hinged to the automobile body, wherein the other end of the connecting bridge can be arranged on the ground due to the fact that the connecting bridge is overturned relative to the automobile body, and a sliding path is formed between the inside of the automobile body and the ground. This batteries of electric vehicle wraps dismouting mobile device, through set up the walking wheel on the battery package, and can form the gliding route of connecting between automobile body and ground through the setting of connecting the bridge, thereby can realize getting on or off the bus of battery package, and can utilize the walking wheel to transport the battery package by the automobile body in to the family in order to charge, it is fixed in transporting the automobile body with the battery package by the walking wheel again after the completion of charging, can realize charging the battery package of electricelectric motor car in the family from this, and do benefit to electric automobile's popularization and application.
Based on the above design concept, an exemplary structure of the battery pack dismounting and moving device for an electric vehicle of the present embodiment can be shown in fig. 1 and fig. 2, in the present embodiment, the battery pack 1 is a rectangular parallelepiped or a cube, the charging port 2 is disposed on one side end surface of the battery pack 1, and the traveling wheels 3 are disposed at the bottom of the other end surface of the battery pack 1 opposite to the charging port 2 and are two that are respectively disposed on two opposite sides of the battery pack 1. In order to conveniently pass through a threshold and other obstacles higher than the ground when the battery pack 1 is transported to home, the traveling wheels 3 in the embodiment adopt a three-fork wheel structure, and certainly, besides the three-fork wheel, the traveling wheels 3 can still be of a common pulley structure, but may be somewhat inconvenient in use. In order to facilitate the sliding of the battery pack 1, two guide rails 5 are formed on the vehicle floor 4, which are corresponding to the two road wheels 3, so that the road wheels 3 can slide along the guide rails 5. Meanwhile, in order to push and pull the battery pack 1, a handle 6 is fixed on the other end face far away from the side face relative to the travelling wheel 3 in the embodiment.
As shown in fig. 3 and 4, the composite slide rail of the present embodiment includes a lower slide rail 7 fixed on the floor 4 of the vehicle, and an upper slide rail 8 installed at the bottom of the battery pack 1 and capable of sliding on the lower slide rail 7 in a guiding manner. The combined type slide rail for dismounting and mounting the battery pack of the electric automobile further comprises a pull rod 9 fixedly connected to the upper slide rail 8, and the pull rod 9 is provided with a pull rod handle 10 positioned on one side end face of the battery pack 1, so that the handle 10 can drive the battery pack 1 to slide due to the push and pull of the external driving force, and the upper slide rail 8 can slide in or slide out.
In the structure, the upper slide rail 8 and the lower slide rail 7 are both arranged side by side, wherein the whole upper slide rail 8 is similar to a cuboid structure, a cavity for accommodating the pull rod 9 is formed along the length direction of the upper slide rail 8, a flange 11 which is turned outwards is formed at the opening of the cavity, and a mounting hole 12 which is fixedly mounted at the bottom of the battery pack 1 is formed on the flange 11. For convenience of arrangement of rolling members to be described later, rolling grooves 13 are formed on both outer walls of the upper slide rail 8 along the length direction of the upper slide rail 8 in the present embodiment, respectively.
In this embodiment, the cross section of the lower slide rail 7 is arranged along the upper slide rail 8, and a second cavity 14 for the upper slide rail 8 to be embedded into is formed along the length direction of the lower slide rail 7, so that the upper slide rail 8 can slide along the lower slide rail 7 in the second cavity 14. As with the rolling groove 13 described above, in order to facilitate the arrangement of the rolling members, in this embodiment, a second rolling groove 15 that is concave outward and is provided corresponding to the rolling groove 13 is also formed at the opening of the second cavity 14, and a second flange 16 that is tapered is formed at the upper edge of the second rolling groove 15, and the second flange 16 is provided to prevent the retainer and the stopper described below from coming off. Of course, in this embodiment, the second rolling groove 15 and the rolling groove 13 may not be provided at the same time, but only one rolling groove may be provided, for example, only the second rolling groove 15 may be provided.
In order to ensure the sliding effect between the upper slide rail 8 and the lower slide rail 7, a retainer for rolling and supporting the upper slide rail 8 relative to the lower slide rail 7 is provided on the lower slide rail 7 in this embodiment. In this embodiment, the retainer includes a retainer 17 slidably disposed in the second cavity 14, and a rolling element 18 rolling on the retainer 17, where the rolling element 18 may be a steel ball, and ensures that the outer peripheral surface of the ball is adapted to the arc surfaces of the rolling groove 13 and the second rolling groove 15. As shown in fig. 4, in the present embodiment, the retainer 17 is U-shaped, and the rolling members 18 are respectively positioned on two opposite sidewalls of the retainer 17, are arranged at intervals along the length direction of the retainer 17, and are respectively embedded in the rolling grooves 13 and the second rolling grooves 15.
The length of the retainer 17 in this embodiment may be adapted to the lower slide rail 7, and may also be set smaller than the lower slide rail 7, and when the length of the retainer 17 is far smaller than the lower slide rail 7, the number of the retainers 17 may be increased to ensure the supporting effect, for example, two retainers 17 may be set along the length direction of the lower slide rail 7 as shown in fig. 4. In order to prevent the retainer 17 from being removed from the second cavity 14 when sliding along the lower rail 7, stoppers 19 for stopping the removal of the retainer 17 from the lower rail 7 are provided at both ends of the lower rail 7 in this embodiment. As shown in fig. 4, in the present embodiment, the stopper 19 is formed in a U shape as a whole along with the second rolling groove 15, and a protrusion 20 fitted into the second rolling groove 15 is provided at the top of the stopper 19.
The pull rod 9 is provided as a telescopic structure in this embodiment. As shown in fig. 4, the pull rod 9 in this embodiment is a three-section structure, and specifically includes a first pull rod 901, a second pull rod 902, and a third pull rod 903 that are nested together, and blocking structures located at end portions are respectively disposed between the second pull rod 902 and the first pull rod 901, and between the third pull rod 903 and the second pull rod 902, so as to prevent the second pull rod 902 from coming out of the first pull rod 901 in the extended state, or prevent the third pull rod 903 from coming out of the second pull rod 902. In order to adjust the length of the pull rod 9, in this embodiment, a locking assembly for locking the extension and retraction of the pull rod 9 is disposed on the pull rod 9, and a control button for actuating the locking assembly is disposed on the pull rod handle 10.
In this embodiment, the locking assembly may refer to a structure in a luggage pull rod in the prior art, for example, a locking shaft capable of sliding along the radial direction of the second pull rod 302 may be disposed in the second pull rod 302, and a first locking groove and a second locking groove for the locking shaft to movably insert are disposed on the inner walls of the first pull rod 301 and the third pull rod 303, and the first locking groove and the second locking groove are correspondingly disposed and are respectively a plurality of grooves disposed along the length direction of the first pull rod 301 and the third pull rod 303, that is, in this embodiment, the locking of the pull rod 3 is achieved through the insertion and engagement of the locking shaft and the first locking groove and the second locking groove. In order to facilitate the insertion and engagement of the locking shaft and the locking groove, a spring for applying elastic pushing force to the locking shaft to enable the locking shaft to be inserted into the locking groove is arranged between the locking shaft and the inner wall of the second pull rod 302, a zipper for enabling the locking groove to be disengaged from the locking groove is arranged between the locking shaft and the control button, and the button 14 can be pressed to drive the locking shaft to be disengaged from the first locking groove and/or the second locking groove when the zipper is used. In addition, in order to ensure the pulling effect of the fastener on the lock pin, a pulley structure described below may be provided in the second pull rod 302 in the same manner as in the sliding direction of the lock pin.
In this embodiment, the battery pack positioning mechanism includes a positioning portion disposed at the bottom of the battery pack 1, and an elastic pressing portion disposed on the positioning portion. As shown in fig. 5 to 8, the positioning portion includes a bracket 22 fixed at the bottom of the battery pack 1 and a positioning pin 23 disposed on the bracket 22 and capable of moving up and down relative to the battery pack 1, and the elastic pressing portion abuts between the positioning pin 23 and the bracket 22 to form an elastic pressing force applied to the positioning pin 23, so that the positioning pin 23 is clamped in a clamping portion disposed on the vehicle floor 4. The battery pack positioning mechanism further comprises a control part positioned on the end face of the battery pack 1 provided with the charging port 2, the control part is provided with a button 24 which is arranged in a sliding mode relative to the battery pack 1, and a pull wire 25 connected between the button 24 and a positioning pin 23, under the driving of external force, the button 24 forms pulling on the positioning pin 23 due to sliding relative to the battery pack 1, so that the positioning pin 23 is separated from being clamped with the clamping part.
In the foregoing structure, in order to ensure the positioning effect, the positioning portions are two that are arranged side by side at the bottom of the battery pack 1 in the present embodiment, and the positioning pins 23 may be provided on each of the brackets 22 in plural numbers, preferably two. The locking portions in this embodiment are positioning holes formed in the vehicle floor 4, and the number and positions of the positioning holes may be arranged corresponding to the positioning pins 23. Meanwhile, in order to facilitate the insertion and clamping with the positioning hole and the positioning pin 23, in this embodiment, the positioning pin 23 may be arranged in a tapered shape, and the positioning hole may be a tapered shape adapted to the positioning pin 23, or may be a cylindrical hole.
In the present embodiment, the bracket 22 is a hollow rectangular parallelepiped structure, and mounting holes 26 are formed at each corner of the bracket 22 to penetrate through the bottom and the top of the bracket, so that the bracket 22 can be fixed to the bottom of the battery pack 1 by a screw 27 or other connecting members. In order to ensure the clamping effect of the positioning pin 23, in this embodiment, a positioning plate 28 capable of moving up and down relative to the battery pack 1 is arranged inside the bracket 22, and the two positioning pins 23 are fixedly connected to the middle of the positioning plate 28, that is, the positioning plate 28 drives the positioning pin 23 to lift up and down, so as to realize the clamping and separation of the positioning pin 23 and the positioning hole. In order not to affect the engagement between the positioning pins 23 and the positioning holes, in the present embodiment, through holes, not shown in the drawings, for the positioning pins 23 to movably pass through are formed at the bottom of the bracket 22 corresponding to the positioning pins 23. Of course, the positioning plate 28 is not required to be disposed in this embodiment, the pulling wire 25 may be directly connected to the positioning pin 23, and the elastic pressing portion may be disposed corresponding to the positioning pin 23.
In the above-described structure, in order to actuate the positioning plate 28, in the present embodiment, one end of the pulling wire 25 is fixed to the positioning plate 28, so that the positioning plate 28 can be lifted by pulling the pulling wire 25. Meanwhile, the elastic pressing portion is arranged inside the bracket 22 and abuts between the top wall of the bracket 22 and the positioning plate 28, so that the positioning plate 28 can return automatically through pushing of the elastic pressing portion. In addition, in order to ensure the stability of the sliding of the positioning plate 28, in this embodiment, guide holes for the above screw rods 27 to slide through may be respectively disposed at each corner of the positioning plate 28, so that the above screw rods 27 form a guide for the positioning plate 28 when it is lifted.
In order to press the button 24, the button 24 may be provided on the handle 6, and the button 24 may be provided on an inner end surface of the handle 6 facing the battery pack 1. In the embodiment, the button 24 can be selected from a button structure of a prior art luggage case, which includes a button body 2401 slidably limiting and disposed on the handle 6, and two wire connecting plates 2402 disposed on the button body 2401, one end of the drawable wire 25 is fixed on the wire connecting plate 2402 in use, and when the button 24 is pressed to slide towards the inside of the handle 6 (move away from the positioning plate 28), the positioning plate 28 is lifted up against the elastic force of the spring 29 under the pulling of the wire 25, so that the positioning pin 23 is completely separated from the positioning hole; when the button 24 is released, the positioning plate 28 is pushed back by the spring 29 so that the positioning pin 23 is clamped in the positioning hole. Of course, the button 24 is not required in this embodiment, and the pulling wire 25 may be directly pulled, or a driving motor not shown in the figure may be provided on the handle 7, and one end of the pulling wire 25 away from the positioning plate 28 is fixed to a power output shaft of the driving motor, so that the positioning plate 28 is pulled up by rolling the pulling wire 25 through the power output shaft.
In the above structure, in order to ensure the pulling effect of the pulling wire 25 on the positioning plate 28, in the embodiment, a pulley 30 is rotatably disposed in the bracket 22, the pulley 30 may be disposed directly above the fixing point of the pulling wire 25 and the positioning plate 28, and the pulling wire 25 is connected to the positioning plate 28 after passing through the pulley 30. As shown in fig. 1, in order to facilitate the arrangement of the pulley 30, a pin 31 is traversed on the bracket 22 in this embodiment, and the pulley 30 is sleeved on the pin 31. In addition, in this embodiment, at least one restraining plate 32 for the pulling wire 25 to pass through may be further disposed between the button 24 and the positioning plate 28, for example, the restraining plate 32 may be disposed on an end of the bracket 22 close to the button 24, and in this embodiment, a second mounting hole 33 is disposed on the bracket 22 for facilitating the mounting of the restraining plate 32.
In order to clamp the positioned battery pack, the battery pack dismounting and moving device for the electric automobile further comprises a battery pack clamping mechanism arranged in the automobile body, and the battery pack clamping mechanism can rotate relative to the automobile body due to the fact that the battery pack 1 slides into the automobile body to be pushed, so that the two opposite sides of the battery pack 1 are clamped. As shown in fig. 9 and 10, the clamping mechanism for the battery pack of the electric vehicle includes two clamping portions pivotally disposed in the vehicle body, the two clamping portions are disposed opposite to each other, and have a force-bearing end 34 located on the sliding-in path of the battery pack 1 and a clamping end 35 located on one side of the sliding-in path of the battery pack 1, and as the battery pack 1 slides in the vehicle body, the force-bearing end 34 rotates the clamping portion around its pivot axis due to the pushing of the battery pack 1, so that the clamping end 35 is pressed against the side of the battery pack 1.
In order to facilitate the arrangement of the clamping part, in the present embodiment, mounting plates 36 fixedly connected to the vehicle body are respectively disposed at two opposite corners of one side surface of the battery pack 1, and pivot shafts 37 for pivotally mounting the clamping part are respectively disposed on the mounting plates 36. The clamping portion in this embodiment includes two connecting plates that are fixedly connected together in a bent shape, wherein the connecting plate disposed right opposite to the battery pack 1 is a bearing plate 38, and the connecting plate located at the side of the battery pack 1 is a clamping plate 39.
In the above structure, the bending angle between the force bearing plate 38 and the clamping plate 39 can be set according to the included angle between the two adjacent side surfaces of the whole battery pack 1, and can be optimally bent in a right angle shape, and at this time, the force bearing end 34 and the clamping end 35 are respectively formed at the free ends of the force bearing plate 38 and the clamping plate 39. In order to ensure that the bearing plate 38 and the clamping plate 39 have a better pivoting effect, in the present embodiment, the pivot axis of the clamping portion is arranged at the connection position of the bearing plate 38 and the clamping plate 39, and in order to facilitate the connection of the clamping portion with the mounting plate 36, as shown in fig. 10, a shaft tube 37 for the pivot shaft 37 to pass through is further arranged at the connection position of the bearing plate 38 and the clamping plate 39. When the battery pack 1 moves along the arrow shown in fig. 8, when the force-bearing plate 38 slides in the direction of the force-bearing plate 38, the force-bearing end 34 is pushed by the battery pack 1, so that the force-bearing plate 38 drives the clamping plate 39 to swing, and the clamping end 35 forms a clamp for the side of the battery pack 1.
In order to separate the clamping end 35 from the battery pack 1 when the battery pack 1 slides out, a torsion spring 41 may be disposed between the clamping portion and the mounting plate 36 in the present embodiment, one end of the torsion spring 41 may be fixed on the mounting plate 36, and the other end of the torsion spring 41 may be disposed on the force bearing plate 38 or the clamping plate 39, and is preferably disposed on the clamping plate 39. In addition, in order to ensure the stability of the operation of the torsion spring 41, the torsion spring 41 may be sleeved on the pivot shaft 37. In addition, in order to make the clamping end 35 buffer during clamping the battery pack 1, in the present embodiment, the clamping end 35 of the clamping plate 39 is provided with an elastic buffer block 42 capable of abutting against the battery pack 1, and the elastic buffer block 42 may be a rubber block and may be fixed to the clamping end 35 by means of insertion, adhesion or other connection means, preferably adhesion.
In order to ensure the synchronization of the actions of the two clamping portions, in this embodiment, a pushing plate 43 capable of abutting against the battery pack 1 is disposed between the force bearing ends 34 of the two clamping portions, and each force bearing end 34 is hinged to the pushing plate 43, in this embodiment, the two force bearing ends 34 are respectively disposed on the pushing plate 43, so that when the pushing plate 43 is driven by the battery pack 1 to act, the two clamping portions can be ensured to have better synchronization. In order to facilitate the connection between the force-bearing end 34 and the pushing plate 43 in this structure, in this embodiment, a mounting block 44 is disposed on an end surface of the pushing plate 43 away from the battery pack 1, the mounting block 44 may be integrally formed with the pushing plate 43, or may be welded to the pushing plate 43, and at the same time, hinge holes 45 are respectively disposed at two opposite ends of the mounting block 44, and a connecting pin 46 is hinged in the hinge hole 45, as shown in fig. 11, in this embodiment, the connecting pin 46 includes a connecting body 4601 having a rectangular parallelepiped structure as a whole, and a second hinge hole 4602 formed in the connecting body 4601, wherein an insertion groove 47 for insertion of the force-bearing end 34 is formed in the connecting body 4601, and the force-bearing end 34 may be inserted into the connecting pin 44 first during assembly, and may be inserted into the second hinge hole 4302 and the hinge hole 45 through the pin 45.
In this embodiment, the force bearing ends 13 of the two clamping portions can be arranged in a cross-like manner when hinged to the pushing plate 43, i.e. the free ends of the two force bearing plates 38 are hinged to the connecting pins 46 away from the two force bearing plates 38, respectively, so that the two force bearing ends 34 are arranged in a cross-like manner on one side of the pushing plate 43 due to the hinge on the pushing plate 43. In order to prevent the force-bearing plate 38 from interfering with the mounting block 44, an avoiding groove 49 may be formed at the end of the force-bearing plate 38 away from the pivot shaft 37. In the above-described structure, in order to make the pushing plate 43 have a certain buffer when abutting against the battery pack 1, the pushing plate 43 is provided with an elastic buffer block 42 on one side end surface close to the battery pack 1, and the elastic buffer block 42 may be a rubber block, as in the above-described case where the elastic rubber block 42 is provided on the clamping plate 39.
The structure of the aforementioned connecting bridge of this embodiment is shown in fig. 12, wherein the connecting bridge 50 is a telescopic structure, and specifically, it is composed of a first bridge body 5001 and a second bridge body 502 nested together, and a blocking structure located at an end portion is disposed between the second bridge body 5002 and the first bridge body 5001 to prevent the second bridge body 5002 from coming out of the first bridge body 5001 in the extended state. In this embodiment, two guide slide rails 51 are further provided at both sides of each bridge body, the two guide slide rails 51 are arranged side by side, and when the connecting bridge 50 is in an extended state as shown in fig. 12 as a whole, the guide slide rails 51 on each bridge body are connected in sequence, thereby constituting a guide structure for guiding the traveling wheels 3 sliding on the connecting bridge 50.
In the present embodiment, a hinge hole, not shown, is provided at an end of the first bridge body 5001, through which one end of the connecting bridge 50 can be hinged to the vehicle body, and as shown in fig. 14, a fixing structure formed by a mounting seat 52 and a latch 53 sliding on the mounting seat 52 is further provided on the first bridge body 5001, which is separately provided at both sides, so that when the connecting bridge 50 is stored in a state shown in fig. 13 from a state shown in fig. 12, the connecting bridge 50 can be erected at the rear end of the vehicle body by turning the connecting bridge 50 inward of the vehicle body, and then the connecting bridge 50 can be positioned on the vehicle body through the latch 53 and the fixing hole correspondingly provided on the vehicle body.
This batteries of electric vehicle package dismouting mobile device is when using, if batteries package 1 need transport to charge in the family, at first with the battery package and the electrically connected plug connector disconnection of automobile body, make again that bolt 53 breaks away from with the automobile body between fixed, then will connect bridge 50 to the automobile body external rotation, also elongate connection bridge 50 in the upset to the one end that finally makes connection bridge 50 supports puts subaerial. Then, the button 24 on the handle 6 is pressed again, so that the positioning pin 23 is lifted to be disengaged from the positioning hole on the floor panel 4, the battery pack 1 is pulled outwards along the lower slide rail 7 through the pull rod handle 10, so that the clamping plate 39 is completely disengaged from the battery pack 1 under the driving of the torsion spring 41, and finally the battery pack 1 is removed from the vehicle body through the connecting bridge 50. After the battery pack 1 gets off the vehicle body, the connecting bridge 50 can be folded, and the connecting bridge 50 is turned over on the floor inside the vehicle body, so that the charged battery pack 1 can be loaded for use.
The installation of the vehicle body after the charging of the battery pack 1 is completed is the same as the above-described process, and thus, the detailed description thereof is omitted. And after the battery pack 1 is fixed, the connecting bridge 50 is folded and turned into the vehicle body, and then the latch rod 53 is inserted into the fixing hole on the vehicle body, so that the connecting bridge 50 is blocked at one side of the battery pack 1.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The utility model provides an electric automobile battery package dismouting mobile device to be used for the locking of the slip-in of battery package (1) in the automobile body or unblock roll-off, its characterized in that, electric automobile battery package dismouting mobile device includes:
the composite slide rail is arranged between the battery pack (1) and the vehicle body, and can bear external force so that the battery pack (1) slides in or out in the vehicle body in a guiding manner;
the battery pack positioning mechanism is arranged on the battery pack (1) and is constructed to be matched with a clamping part arranged on a floor (4) in the vehicle body in a clamping way so as to lock the battery pack (1) on the floor (4) in the vehicle body;
the travelling wheel (3) is rotatably arranged at the bottom of the battery pack (1);
one end of the connecting bridge (50) is hinged to the vehicle body, and the other end of the connecting bridge (50) can be placed on the ground due to the fact that the connecting bridge (50) is overturned relative to the vehicle body, so that a sliding path communicating the inside of the vehicle body with the ground is formed;
wherein, combined type slide rail includes:
the lower sliding rail (7) is fixed on the floor (4) of the vehicle body;
the upper sliding rail (8) is arranged at the bottom of the battery pack (1) and can slide on the lower sliding rail (7) in a guiding manner;
the pull rod (9) is fixedly connected to the upper sliding rail (8) and provided with a pull rod handle (10) located on the end face of one side of the battery pack (1), and the pull rod handle (10) can drive the battery pack (1) to slide due to the fact that the pull rod handle bears the push and pull of external force, so that the upper sliding rail (8) slides into or slides out of the lower sliding rail (7).
2. The battery pack dismounting and moving device for the electric vehicle as claimed in claim 1, further comprising:
the battery pack clamping mechanism is arranged in the vehicle body and can rotate relative to the vehicle body due to the sliding pushing of the battery pack (1) in the vehicle body so as to clamp two opposite sides of the battery pack.
3. The battery pack dismounting and moving device for the electric vehicle according to claim 1, wherein: the lower sliding rail (7) is provided with a retainer for rolling and supporting the upper sliding rail (8) relative to the lower sliding rail (7), and the pull rod (9) is telescopic.
4. The device for assembling, disassembling and moving the battery pack of the electric vehicle according to claim 2, wherein the battery pack positioning mechanism comprises:
the positioning part is arranged at the bottom of the battery pack (1) and comprises a bracket (22) and a positioning pin (23) which is arranged on the bracket (22) and can move up and down relative to the battery pack (1);
the elastic pressing part is pressed against between the positioning pin (23) and the bracket (22) to form elastic pressing force applied to the positioning pin (23), so that the positioning pin (23) is clamped in the clamping part;
the control part is positioned on one side end face of the battery pack (1), the control part is provided with a button (24) which is arranged in a sliding mode relative to the battery pack (1), and a pull wire (25) which is connected between the button (24) and the positioning pin (23), and under the driving of external force, the button (24) forms the pulling on the positioning pin (23) due to the sliding relative to the battery pack (1) so that the positioning pin (23) is separated from the clamping connection with the clamping part.
5. The battery pack dismounting and moving device for the electric automobile according to claim 4, characterized in that: a handle (6) is fixedly connected to the side end face of the battery pack (1), and the button (24) is slidably arranged on the handle (6); a positioning plate (28) which can move up and down relative to the battery pack (1) is arranged in the support (22), the positioning pin (23) is fixedly connected to the positioning plate (28), and the elastic pressing part is abutted between the support (22) and the positioning plate (28).
6. The battery pack dismounting and moving device for the electric automobile according to claim 4, characterized in that: a pulley (30) is rotatably arranged in the bracket (22), and the pull wire (25) is wound around the pulley and connected with the positioning pin (23); the clamping portions are positioning holes formed in the floor (4) in the vehicle body, and the positioning portions are two positioning portions arranged at the bottom of the battery pack (1) side by side.
7. The device for moving a battery pack of an electric vehicle according to claim 2, wherein the battery pack clamping mechanism comprises:
the clamping parts are pivotally arranged in the automobile body and are oppositely arranged, each clamping part is provided with a bearing plate (38) positioned on the sliding-in path of the battery pack (1) and a clamping plate (39) positioned on one side of the sliding-in path of the battery pack (1), and the bearing plates (38) enable the clamping parts to rotate around the pivot axes of the clamping parts due to the pushing of the battery pack (1) along with the sliding-in of the battery pack (1) in the automobile body, so that the clamping plates (39) are pressed against the side parts of the battery pack (1).
8. The battery pack dismounting and moving device for the electric vehicle according to claim 7, wherein: a pushing plate (43) which can be abutted against the battery pack (1) is arranged between the bearing plates (38) of the two clamping parts, and the two bearing plates (38) are hinged to one side of the pushing plate (43) in a crossing manner; and the pushing plate (43) is hinged with a connecting pin (46), and the bearing plate (38) is inserted on the connecting pin (46) to form hinged connection with the pushing plate (43).
9. The electric vehicle battery pack dismounting and moving device according to any one of claims 2 to 8, characterized in that: the walking wheel (3) is the trident wheel, connecting bridge (50) are the telescopic, and be equipped with on connecting bridge (50) right walking wheel (3) in slide on the connecting bridge carries out the guide structure who leads, and in under the undetached state of battery package (1), connecting bridge (50) because of fixed on the automobile body, and can keep off and put one side of battery package (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710523213.6A CN109203954B (en) | 2017-06-30 | 2017-06-30 | Electric automobile battery pack dismounting and moving device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710523213.6A CN109203954B (en) | 2017-06-30 | 2017-06-30 | Electric automobile battery pack dismounting and moving device |
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| CN109203954A CN109203954A (en) | 2019-01-15 |
| CN109203954B true CN109203954B (en) | 2020-06-12 |
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| CN201710523213.6A Active CN109203954B (en) | 2017-06-30 | 2017-06-30 | Electric automobile battery pack dismounting and moving device |
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Families Citing this family (10)
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|---|---|---|---|---|
| CN112224000B (en) * | 2019-06-27 | 2024-06-18 | 奥动新能源汽车科技有限公司 | Positioning seat, positioning mechanism, quick-change bracket assembly and electric vehicle |
| CN111391707B (en) * | 2020-04-17 | 2022-11-01 | 东风柳州汽车有限公司 | New energy automobile battery fixed knot constructs |
| CN113764802A (en) * | 2020-05-18 | 2021-12-07 | 帝亚一维新能源汽车有限公司 | Portable power battery pack supporting structure for electric vehicle |
| CN111746255B (en) * | 2020-06-19 | 2022-02-08 | 北京新能源汽车股份有限公司 | Battery pack assembly and vehicle with same |
| CN112072208B (en) * | 2020-09-15 | 2021-12-28 | 新沂市宏祥电子有限公司 | A power battery cooling device for a new energy bus |
| CN113022372B (en) * | 2021-05-31 | 2021-08-13 | 北京辉程动力科技有限公司 | Quick assembling and disassembling device and method for vehicle power device |
| CN114571979B (en) * | 2022-05-05 | 2022-07-12 | 深圳市金顿士科技有限公司 | Roller storage type battery pack disassembling and assembling mechanism |
| CN116573574A (en) * | 2023-05-05 | 2023-08-11 | 山东电工时代能源科技有限公司 | A battery pack unloading device inside an energy storage container |
| CN118438869B (en) * | 2024-05-29 | 2025-11-04 | 奇瑞新能源汽车股份有限公司 | Vehicles, assembly systems and assembly methods |
| CN120116716B (en) * | 2025-05-13 | 2025-08-22 | 霍州煤电集团亿能电气股份有限公司 | A bottom electric power device mounting bracket for a mining trackless rubber-wheeled vehicle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102248880A (en) * | 2011-06-03 | 2011-11-23 | 许继电源有限公司 | Battery box component for electric automobile |
| CN103253118A (en) * | 2012-02-15 | 2013-08-21 | 北京普莱德新能源电池科技有限公司 | Twin-box multifunctional vehicular battery box |
| CN103534150A (en) * | 2011-03-15 | 2014-01-22 | 潘德玛蒂克国际公司/扬·默勒 | Motor vehicle with actuated battery exchange and a roller bearing U-profile teflon coated guide |
| CN205202704U (en) * | 2015-03-30 | 2016-05-04 | 南京环绿新能源车辆有限公司 | Electric automobile lithium cell quick assembly disassembly device |
| WO2016086274A1 (en) * | 2014-12-04 | 2016-06-09 | Dignan Herbert Rayner | An apparatus and system for providing a secondary power source for an electric vehicle |
| CN106042881A (en) * | 2016-07-20 | 2016-10-26 | 中资国际新能源储能动力科技有限公司 | Limiting structure of battery box |
-
2017
- 2017-06-30 CN CN201710523213.6A patent/CN109203954B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103534150A (en) * | 2011-03-15 | 2014-01-22 | 潘德玛蒂克国际公司/扬·默勒 | Motor vehicle with actuated battery exchange and a roller bearing U-profile teflon coated guide |
| CN102248880A (en) * | 2011-06-03 | 2011-11-23 | 许继电源有限公司 | Battery box component for electric automobile |
| CN103253118A (en) * | 2012-02-15 | 2013-08-21 | 北京普莱德新能源电池科技有限公司 | Twin-box multifunctional vehicular battery box |
| WO2016086274A1 (en) * | 2014-12-04 | 2016-06-09 | Dignan Herbert Rayner | An apparatus and system for providing a secondary power source for an electric vehicle |
| CN205202704U (en) * | 2015-03-30 | 2016-05-04 | 南京环绿新能源车辆有限公司 | Electric automobile lithium cell quick assembly disassembly device |
| CN106042881A (en) * | 2016-07-20 | 2016-10-26 | 中资国际新能源储能动力科技有限公司 | Limiting structure of battery box |
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