CN113829863B - Automatic divide case to trade motor mechanism of unblock that adds - Google Patents
Automatic divide case to trade motor mechanism of unblock that adds Download PDFInfo
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- CN113829863B CN113829863B CN202111009164.7A CN202111009164A CN113829863B CN 113829863 B CN113829863 B CN 113829863B CN 202111009164 A CN202111009164 A CN 202111009164A CN 113829863 B CN113829863 B CN 113829863B
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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
- 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
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Power Engineering (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention relates to a box-separating and power-exchanging mechanism capable of automatically locking and unlocking. The box-dividing and replacing mechanism comprises a plurality of box-dividing battery packs which are sequentially arranged along a first direction, and a plurality of locking steel sleeves are respectively arranged on two sides of each box-dividing battery pack in a second direction; two battery replacement frames which are oppositely arranged at two sides of the plurality of the sub-box battery packs in the second direction; the plurality of locking and unlocking mechanisms are arranged on each battery charging frame, the locking and unlocking mechanisms and the locking blocks are correspondingly arranged, the locking and unlocking mechanisms comprise telescopic pins, and the telescopic pins of the locking and unlocking mechanisms can stretch and retract to pass through the corresponding locking steel sleeves; the first direction and the second direction are perpendicular. The split-box power-changing motor is simple to operate and control, the battery pack is convenient to detach, split-box power-changing can be realized, and the split-box power-changing motor has good practicability.
Description
Technical Field
The invention belongs to the technical field of electric automobiles, and particularly relates to an automatic locking and unlocking box-separating and power-exchanging mechanism.
Background
With technological advancement and social development, various types of new energy vehicles such as electric vehicles, hybrid vehicles, etc. are increasingly being widely used. With these new vehicles, it is becoming increasingly important to relate to battery quick changes and the like. If the experience of powering up the vehicle battery were to be achieved beyond that of conventional car fueling, battery power up time would be an important indicator. Changing the battery is one way to achieve a quick power-up, which would still be the most likely way to achieve a vehicle battery power-up time that can be scaled, even beyond the traditional vehicle refueling time, before no breakthrough in battery technology has been made and a safe, usable quick-charge technology has emerged.
In the prior art, generally, a battery fixing seat is matched with a complex fixing support to fix a battery pack assembly, when the battery pack is detached and replaced, the whole battery pack is required to be detached, and the following technical pain points exist in the whole battery pack replacement mode: 1. the whole package of power conversion is more suitable for TOB market, and the power conversion operation needs to be carried out in a specific power conversion station; 2. the whole-package power conversion has larger limitation, one-package design is needed, each package needs to be independently developed, and the investment is larger; 3. the investment cost of the power exchange equipment required by the whole package of power exchange is high, and the automatic disassembly mode depends on the support of a complex power exchange system; 4. the fixing mode of the battery pack is complex, the disassembly process is complex, and the consumed time is long; 5. when events such as thermal runaway appear in the battery, can't dismantle fast to the battery package, carry out effective safe processing.
Disclosure of Invention
In view of the above problems in the prior art, the present invention provides an automatic locking and unlocking split-box power conversion mechanism, which can effectively solve or alleviate one or more of the above problems and other problems in the prior art.
The invention provides an automatic locking and unlocking box-separating and power-exchanging mechanism, which is characterized by comprising the following components:
a plurality of sub-box battery packs sequentially arranged along a first direction, wherein a plurality of locking steel sleeves are respectively arranged on two sides of each sub-box battery pack in a second direction;
two battery replacement frames which are oppositely arranged at two sides of the plurality of the sub-box battery packs in the second direction;
the plurality of locking and unlocking mechanisms are arranged on each battery charging frame, the locking and unlocking mechanisms and the locking blocks are correspondingly arranged, the locking and unlocking mechanisms comprise telescopic pins, and the telescopic pins of the locking and unlocking mechanisms can stretch and retract to pass through the corresponding locking steel sleeves;
the first direction and the second direction are perpendicular.
Preferably, a plurality of locking blocks are respectively embedded in two sides of the second direction of each sub-tank battery pack, the outer side faces of the locking blocks are flush with the side faces of the sub-tank battery packs, an eighth through hole is formed in the middle of each locking block, and the locking steel sleeve is embedded in the eighth through hole.
Preferably, wedge-shaped blocks are further arranged on two sides of the plurality of the box-divided battery packs in the second direction.
Preferably, the upper and lower ends of the wedge block are flush with the upper and lower surfaces of the box-divided battery pack, and the top of the wedge block is an inclined plane.
Preferably, the electricity conversion frame comprises a first fixed beam and a second fixed beam which are connected in an L shape, the first fixed beam is vertically arranged, a plurality of first through holes are formed in the first fixed beam, a plurality of second through holes are formed in the periphery of each first through hole in the first fixed beam, the second fixed beam is horizontally arranged, a plurality of mounting holes connected with a longitudinal beam bolt of a vehicle body are formed in the second fixed beam, and a third through hole is formed in the second fixed beam.
Preferably, the locking and unlocking mechanism further comprises:
the direct current motor is provided with a screw rod capable of operating and rotating, and a plurality of threaded holes are also formed in the direct current motor;
the reinforcing plate comprises a first plate section, a second plate section and a third plate section which are connected in sequence in a U shape, wherein a plurality of fourth through holes are formed in the first plate section, bolts penetrate through the fourth through holes and the threaded holes to fixedly connect the direct current motor with the first plate section, the outer side face of the second plate section is fixedly connected with the bottom face of the second fixed beam, a weight reducing hole is formed in the second plate section, a fifth through hole is formed in the third plate section, and the fifth through holes are correspondingly arranged with the first through holes;
the fixing sleeve comprises a circular plate and a sleeve, one end of the sleeve is fixedly connected to the center of one side plate surface of the circular plate, a sixth through hole penetrating through the circular plate and the sleeve is formed in the center of the plate surface of the circular plate, a plurality of seventh through holes are formed in the periphery of the sixth through hole on the circular plate, bolts penetrate through the seventh through holes and the second through holes to connect the fixing sleeve with the outer side surface of the first fixing beam, the sleeve penetrates through the first through holes to be arranged, and slotted holes are formed in the side wall of the sleeve and are communicated with the sixth through holes;
the telescopic pin is arranged in the sixth through hole and is in sliding connection with the fixed sleeve, an anti-rotation key is arranged on the outer wall of the telescopic pin and penetrates through the groove hole to be arranged for limiting the sliding stroke and rotation of the telescopic pin, the screw rod penetrates through the fifth through hole to extend into the sleeve, threads are arranged on the inner wall of the telescopic pin, and the telescopic pin is sleeved at the end part of the screw rod and is in rotatable connection with the screw rod.
Preferably, the pin head of the telescopic pin is tapered.
Preferably, the pin head of the telescopic pin is in clearance fit with the locking steel sleeve.
Preferably, a positioning block is fixedly connected to the bottom of the second fixing beam, a ninth through hole penetrating through the positioning block is formed in the vertical direction of the positioning block, and the ninth through hole and the third through hole are correspondingly arranged.
Preferably, the hole diameter of the lower end of the ninth through hole is larger than the hole diameter of the upper end.
The beneficial effects of the invention are as follows:
the invention provides an automatic locking and unlocking box-separating battery replacing mechanism, which uses a small battery pack with strong universality, and can be used for fixing two or more battery packs between battery replacing frames at the same time so as to be carried on a whole vehicle, wherein the space of a chassis of the whole vehicle can be used for carrying different numbers of box-separating battery packs according to the needs, so that the applicability is strong, and the internal space of the vehicle body is saved; when the power is replaced, the power can be replaced by separating boxes, so that the use and power replacement requirements of different users are met; the box-dividing battery pack is connected with the vehicle body through the locking and unlocking device, and the battery pack is convenient to detach; the investment of the power exchange equipment is reduced, the box separation power exchange can be carried out only by a level exchange platform and a simple lifting mechanism, and the complex disassembly process is not needed by matching with a power exchange trolley; when unexpected events such as thermal runaway appear in the battery, can the quick control add release mechanism with battery dismantlement throw away, avoid personnel's injury.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of a box-separating and power-exchanging mechanism with automatic locking and unlocking function according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of the case-separated battery pack of fig. 1;
FIG. 3 is a schematic perspective view of the locking block and locking steel sleeve of FIG. 2;
fig. 4 is a schematic perspective view of the power conversion frame in fig. 1, and shows a locking and unlocking mechanism and a positioning block;
FIG. 5 is a schematic diagram of a disassembling structure of the locking and unlocking mechanism in FIG. 1;
fig. 6 is a schematic perspective view of the dc motor in fig. 5;
FIG. 7 is a schematic perspective view of the reinforcing plate of FIG. 5;
FIG. 8 is a schematic perspective view of the retaining sleeve of FIG. 5;
FIG. 9 is a schematic perspective view of the telescoping pin of FIG. 5;
FIG. 10 is a schematic perspective view of the positioning block in FIG. 4;
reference numerals illustrate: 10-a power conversion frame; 101-a first fixed beam; 1011-first through holes; 1012-a second through hole; 102-a second fixed beam; 1021-mounting holes; 1022-third via; 20-packaging the battery packs; 201-wedge block; 202-locking blocks; 2021-eighth via; 203-locking the steel sleeve; 30-locking and unlocking mechanisms; 301-a direct current motor; 3011-a screw; 3012-a threaded hole; 302-reinforcing plates; 3021-a first plate section; 3022-a second plate section; 3023-a third plate segment; 3024 to fourth through holes; 3025-lightening holes; 3026 to fifth through holes; 303-fixing sleeve; 3031-circular plate; 3032-sleeve; 3033-sixth through hole; 3034-seventh through hole; 3035-slots; 304-a telescoping pin; 3041-anti-rotation key; 40-positioning blocks; 401-ninth via.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but 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, are intended to be within the scope of the invention.
The embodiment of the invention provides an automatic locking and unlocking box-dividing and power-changing mechanism, which can effectively solve or alleviate the defects in the prior art including the defects in the prior art.
The embodiment of the invention provides an automatic locking and unlocking split-box power exchange mechanism, wherein fig. 1 is a schematic perspective view of the automatic locking and unlocking split-box power exchange mechanism according to the embodiment of the invention, fig. 2 is a schematic perspective view of a split-box battery pack in fig. 1, fig. 3 is a schematic perspective view of a locking block and a locking steel sleeve in fig. 2, fig. 4 is a schematic perspective view of a power exchange frame in fig. 1, and fig. 5 is a schematic split-structure of the locking and unlocking mechanism in fig. 1; as shown in conjunction with fig. 1 and 5, the case-division switching mechanism includes a plurality of case-division battery packs 20, two switching frames 10, and a plurality of locking and unlocking mechanisms 30.
Specifically, as shown in fig. 1-3, the sub-tank battery pack 20 may have a rectangular block structure, and the frame of the sub-tank battery pack 20 is made of an aluminum alloy extruded section, so that the tank is not easy to deform, and the internal power supply assembly is protected. The plurality of sub-tank battery packs 20 are sequentially arranged along the first direction, and the plurality of sub-tank battery packs 20 are mutually attached to each other so as to reduce the occupied space of the sub-tank battery packs 20 in the whole motor replacing mechanism. Each of the case-division battery packs 20 is provided at both sides thereof in the second direction with a plurality of locking steel sleeves 203, the first direction being perpendicular to the second direction.
Further, referring to fig. 1, two power conversion frames 10 are parallel to the first direction and are disposed on two sides of the second direction of the plurality of sub-box battery packs 20, the power conversion frames 10 are mounted on the longitudinal beam of the vehicle body and fixedly connected with the vehicle body, and the sub-box battery packs 20 are located between the two power conversion frames 10. The material of the battery replacing frame 10 may be a light and thin metal material such as aluminum alloy, which is not easy to deform, and the invention is not limited herein.
Further, as shown in fig. 1-5, a plurality of locking and unlocking structures 30 are fixedly mounted on each battery changing frame 10, the locking and unlocking structures 30 are arranged corresponding to the locking blocks 202, the locking and unlocking structures 30 comprise telescopic pins 304 which can be controlled to stretch out and draw back, the telescopic pins 304 on the locking and unlocking structures 30 correspond to the locking steel sleeves 203, the telescopic pins 304 of the plurality of locking and unlocking structures 30 synchronously stretch out and retract, when the telescopic pins 304 are stretched out by controlling the locking and unlocking structures 30, pin heads of the plurality of telescopic pins 304 stretch into the locking steel sleeves 203 and push against two sides of the split battery pack 20 in the second direction, the positions of the split battery packs 20 are locked, the fixed mounting of the split battery pack 20 is completed, and when the battery changing is needed, the split battery pack 20 is separated from the battery changing frame 10 by controlling the locking and unlocking structures 30, and the split battery pack 20 can be disassembled and replaced.
1-5, the automatic locking and unlocking box-separating battery replacing mechanism provided by the embodiment of the invention uses a small battery pack with stronger universality, and two or more battery packs can be simultaneously fixed between the battery replacing frames 10 so as to be carried on the whole vehicle, and the space of the chassis of the whole vehicle can be provided with different numbers of box-separating battery packs according to the needs; when the power is replaced, the power is replaced by separating boxes, so that the use and power replacement requirements of different users are met; the box-dividing battery pack is connected with the vehicle body through the locking and unlocking device 30, so that the battery pack is convenient to disassemble; the investment of the power exchange equipment is reduced, and the box separation power exchange can be carried out only by a level exchange platform and a simple lifting mechanism, and the complex disassembly process is not needed by matching with a power exchange trolley; meanwhile, when accidents such as thermal runaway and the like occur to the battery, the locking and unlocking mechanism 30 can be controlled rapidly to detach and throw away the split-box battery pack 20, so that personnel injury is avoided.
Further, referring to fig. 2 and 3, a plurality of locking blocks 202 are embedded on both sides of each of the sub-tank battery packs 20 along the second direction, and outer side surfaces of the locking blocks 202 are flush with side surfaces of the sub-tank battery packs 20. The locking blocks 202 can be connected to the side surfaces of the split-box battery packs 20 in a welding mode, and the embedded locking blocks 202 cannot influence the installation process of the split-box battery packs 20 between the power exchange frames 10. An eighth through hole 2021 is formed in the middle of the locking block 202, the locking steel sleeve 203 is of a cylindrical structure, the locking steel sleeve 203 is embedded in the eighth through hole 2021, and the locking steel sleeve 203 of the cylindrical structure and the eighth through hole 2021 are in interference fit, so that the locking steel sleeve 203 is fixed. Of course, in other embodiments of the present invention, the locking steel sleeve may be directly embedded on both sides of the split battery pack, or a form of matching the hole with the telescopic pin may be adopted instead of the locking steel sleeve, which is not limited herein.
Further, as shown in fig. 2, wedge blocks 201 are respectively arranged on two sides of the multiple sub-box battery packs 20 along the second direction, the wedge blocks 201 can be fixed on the side surfaces of the sub-box battery packs 20 in a welding mode and respectively attached to the two battery replacement frames 10, the wedge blocks 201 play a guiding role in the installation process that the sub-box battery packs 20 enter between the battery replacement frames 10, and meanwhile a certain gap exists between the sub-box battery packs 20 and the battery replacement frames 10, so that the sub-box battery packs 20 can be conveniently detached and installed.
Specifically, the upper and lower ends of the wedge block 201 are flush with the upper and lower surfaces of the sub-box battery pack 20, the top of the wedge block 201 is an inclined plane, the sub-box battery pack 20 enters between the two battery replacement frames 10 from bottom to top in the installation process of the sub-box battery pack 20, the wedge block 201 plays a guiding role in the entering process, the sub-box battery pack 20 enters between the battery replacement frames 10 under the guiding of the inclined plane at the upper part of the wedge block 201, so that the vertical surface at the lower part is attached to the battery replacement frames 10, and the guiding and positioning process of the sub-box battery pack 20 is finished.
Referring to fig. 4 and 5, the power conversion frame 10 includes a first fixing beam 101 and a second fixing beam 102 connected in an L shape, the first fixing beam 101 is vertically disposed, the second fixing beam 102 is horizontally disposed, a plurality of first through holes 1011 are formed in the first fixing beam 101, and the telescopic pins 304 can extend and retract through the first through holes 1011; a plurality of second through holes 1012 are formed around the first through hole 1011 in the first fixing beam 101, and the second through holes 1012 are used for fixing the first fixing beam 101 and the components of the locking and unlocking mechanism 30. The second fixed beam 102 is provided with a plurality of mounting holes 1021, and the mounting holes 1021 are used for connecting the second fixed beam 102 with a longitudinal beam of a vehicle body through bolts so as to fix the whole box-dividing and power-exchanging mechanism with the vehicle body; the second fixing beam 102 is further provided with a plurality of third through holes 1022, and the third through holes 1022 play a role in positioning when the electric frame 10 is installed.
Fig. 6 is a schematic perspective view of the dc motor in fig. 5, fig. 7 is a schematic perspective view of the reinforcing plate in fig. 5, fig. 8 is a schematic perspective view of the fixing sleeve in fig. 5, fig. 9 is a schematic perspective view of the telescopic pin in fig. 5, and the locking and unlocking mechanism further includes a dc motor 301, a reinforcing plate 302 and a fixing sleeve 303 in combination with the schematic views shown in fig. 5-9.
Specifically, referring to fig. 6, according to the power requirement of the locking and unlocking mechanism 30, a 12V battery may be used by the dc motor 301 to provide a power source for the entire locking and unlocking mechanism 30, an extended screw 3011 is provided on the dc motor 301, the screw 3011 can be driven to rotate by the rotation of the motor, and a plurality of threaded holes 3012 are further provided on the dc motor 301, and the threaded holes 3012 are used for fixing the dc motor 301.
Referring to fig. 5 and fig. 7, the reinforcing plate 302 is in a U-shaped structure, and includes a first plate section 3021, a second plate section 3022 and a third plate section 3023 that are sequentially connected, the opening direction of the reinforcing plate 302 in the U-shaped structure is downward, the first plate section 3021 is vertically arranged, a plurality of fourth holes 3024 are formed in the first plate section 3021, the fourth holes 3024 correspond to the threaded holes 3012, the direct current motor 301 can be fixedly connected with the first plate section 3021 in a manner that bolts pass through the fourth holes 3024 and the threaded holes 3012, and grooves are formed in the bottom of the first plate section 3021 and are used for avoiding protruding positions at the rear of the direct current motor 301, so that the direct current motor 301 is stably and reliably installed; the second plate section 3022 is horizontally arranged, the top surface of the second plate section 3022 can be fixedly connected with the bottom surface of the second fixed beam 102 in a welding mode, so that the positions of the reinforcing plate 302 and the direct current motor 301 are fixed, and the second plate section 3022 is provided with a weight reducing hole 3025 for reducing the weight of the whole box-dividing power exchange mechanism and further reducing the load on an automobile; the third board section 3023 is vertically arranged, a fifth through hole 3026 is formed in the third board section 3023, a screw 3011 of the direct current motor is arranged through the fifth through hole 3026, and the connection position of the reinforcing plate 302 on the second fixed beam 102 needs to ensure that the fifth through hole 3026 corresponds to the first through hole 1011.
Referring to fig. 5 and 8, the fixing sleeve 303 may be composed of a circular plate 3031 and a sleeve 3032, wherein one end of the sleeve 3032 may be fixedly connected to a center of a plate surface of the circular plate 3031 by welding, a sixth through hole 3033 is formed in the center of the plate surface of the circular plate 3031, and the sixth through hole 3033 penetrates through the circular plate 3031 and the sleeve 3032; a plurality of seventh through holes 3034 are formed around the sixth through hole 3033 in the circular plate 3031, the positions of the seventh through holes 3034 correspond to the second through holes 1012, the fixing sleeve 303 can be fixedly connected with the first fixing beam 101 by means of bolts penetrating through the second through holes 1012 and the seventh through holes 3034, the sleeve 3032 penetrates through the first through holes 1011, the sixth through holes 3033 correspond to the fifth through holes 3026 and the screw 3011, and slotted holes 3035 communicated with the sixth through holes 3033 are formed in the side wall of the sleeve 3032.
Referring to fig. 5 to 9, the telescopic pin 304 is a cylindrical structure with one end closed and the other end open, the telescopic pin 304 is disposed inside the sixth through hole 3033 and can slide along the sixth through hole 3033, an anti-rotation key 3041 is connected to the outer wall of the telescopic pin 304 in a welding manner, the anti-rotation key 3041 passes through a slot hole 3035 on the sleeve, threads are formed on the inner wall of the telescopic pin 304, one open end of the telescopic pin 304 is in threaded connection with the end of the screw 3011, when the screw 3011 rotates, the anti-rotation key 3041 limits the rotation of the telescopic pin 304, so that the telescopic pin 304 can only extend or retract along the direction of the screw 3011, meanwhile, the slot hole 3035 has a certain length, and the anti-rotation key 3041 slides back and forth in the slot hole 3035, thereby limiting the telescopic stroke of the telescopic pin 304.
Referring to fig. 5-9, in this embodiment, a dc motor 301 is connected to a power conversion frame 10 through a reinforcing plate 302, a control end of the dc motor 301 is installed in a vehicle, a screw 3011 can be controlled to rotate forward or backward through a button or command, when the screw 3011 rotates, a telescopic pin 304 located at an end of the screw 3011 changes to rotate into linear motion due to limitation of an anti-rotation key 3041, so that the telescopic pin 304 can extend or retract, a pin head at a closed end of the telescopic pin 304 can extend to the outside of the circular plate 3031 along a sixth through hole 3033 through a sleeve 3032 and the circular plate 3031, further extends into a locking steel sleeve 203 and is propped against the side surface of the box separation power conversion package 20, and a plurality of telescopic pins 304 of the locking and unlocking mechanisms 30 extend synchronously to lock the position of the box separation battery package 20.
Of course, in other embodiments of the present invention, the locking and unlocking mechanism 30 may lock the split-cell pack in the form of a pneumatic push rod, a hydraulic push rod, or the like, and this embodiment is merely illustrative of one preferred embodiment, and is not intended to limit the present invention.
Further, referring to fig. 1-9, the head of the telescopic pin 304 is tapered, the tapered head of the telescopic pin 304 plays a guiding role in the process that the telescopic pin 304 stretches into the locking steel sleeve 203, and meanwhile, the locking steel sleeve 203 and the head of the telescopic pin 304 are in clearance fit, so that the degree of freedom of the split-box battery pack 20 in all directions can be limited, and the split-box battery pack 20 can be conveniently locked between the battery replacement frames 10.
Fig. 10 is a schematic perspective view of the positioning block in fig. 4, and referring to fig. 4 and 10, the bottom of the second fixing beam 102 is fixedly connected with a positioning block 40, and a ninth through hole 401 is vertically formed in the positioning block 40, where the ninth through hole 401 corresponds to the third through hole 1022. The positioning block 40 can be connected with the second fixed beam 102 in a welding mode, and the positioning block 40 plays a role in guiding and positioning in the whole installation process of the box-dividing and replacing mechanism. When the mechanism is installed, the locating pins on the installation tool penetrate through the ninth through hole 401 and the third through hole 1022, the electricity conversion frame 10 stretches into the chassis space of the automobile to be abutted against the longitudinal beam, and then the installation and the fixation are carried out through bolts. The hole diameter of the lower end of the ninth through hole 401 is larger than the hole diameter of the upper end, namely, the shape of the ninth through hole 401 is a round table, so that the guide effect of the locating pin on the installation tool is achieved, and the problem that the locating pin is not inserted well due to the fact that the ninth through hole 401 is too deep in the inserting process of the locating pin is avoided.
In summary, according to the automatic locking and unlocking box-dividing power-changing mechanism provided by the embodiment of the invention, a plurality of box-dividing battery packs can be mounted, and box-dividing power-changing is realized; the installation and separation of the battery pack are controlled through the locking and unlocking mechanism, so that the input cost, the occupied area and the like of the power exchange station equipment are reduced, and the power exchange popularization is facilitated; the power of the power exchange equipment is derived from the whole vehicle direct current motor, the vehicle end is controllable, and the power exchange operation is finished through buttons or instructions, so that the power exchange equipment is convenient and simple; meanwhile, aiming at the thermal runaway event of the battery, the battery can be rapidly reacted and treated, and the safety is high. The box-separating and replacing mechanism is simple in structure, convenient to use and high in practical value.
The above examples are provided for convenience of description of the present invention and are not to be construed as limiting the invention in any way, and any person skilled in the art will realize that the present invention is not limited to the details of the present invention, but is intended to cover all modifications, variations, modifications, and equivalent arrangements of the present invention without departing from the scope of the technical features of the present invention.
Claims (9)
1. Automatic divide case power conversion mechanism of locking and unlocking, characterized by comprising:
a plurality of sub-box battery packs sequentially arranged along a first direction, wherein a plurality of locking steel sleeves are respectively arranged on two sides of each sub-box battery pack in a second direction;
two battery replacement frames which are oppositely arranged at two sides of the plurality of the sub-box battery packs in the second direction;
the plurality of locking and unlocking mechanisms are arranged on each battery charging frame, the locking and unlocking mechanisms and the locking blocks are correspondingly arranged, the locking and unlocking mechanisms comprise telescopic pins, and the telescopic pins of the locking and unlocking mechanisms can stretch and retract to pass through the corresponding locking steel sleeves;
the first direction and the second direction are perpendicular;
wedge-shaped blocks are further arranged on two sides of the plurality of the box-division battery packs in the second direction.
2. The automatic locking and unlocking box-dividing power-changing mechanism according to claim 1, wherein a plurality of locking blocks are respectively embedded in two sides of the second direction of each box-dividing battery pack, the outer side faces of the locking blocks are flush with the side faces of the box-dividing battery packs, an eighth through hole is formed in the middle of each locking block, and the locking steel sleeve is embedded in the eighth through hole.
3. The automatic locking and unlocking box-dividing power-changing mechanism according to claim 1, wherein the upper end and the lower end of the wedge block are flush with the upper surface and the lower surface of the box-dividing battery pack, and the top of the wedge block is an inclined plane.
4. The automatic locking and unlocking box-separating power-exchanging mechanism according to claim 1, wherein the power-exchanging frame comprises a first fixing beam and a second fixing beam which are connected in an L shape, the first fixing beam is vertically arranged, a plurality of first through holes are formed in the first fixing beam, a plurality of second through holes are formed in the periphery of each first through hole in the first fixing beam, the second fixing beam is horizontally arranged, a plurality of mounting holes connected with a longitudinal beam of a vehicle body in a bolt mode are formed in the second fixing beam, and a third through hole is formed in the second fixing beam.
5. The automatic locking and unlocking box-dividing and power-changing mechanism according to claim 4, wherein the locking and unlocking mechanism further comprises:
the direct current motor is provided with a screw rod capable of operating and rotating, and a plurality of threaded holes are also formed in the direct current motor;
the reinforcing plate comprises a first plate section, a second plate section and a third plate section which are connected in sequence in a U shape, wherein a plurality of fourth through holes are formed in the first plate section, bolts penetrate through the fourth through holes and the threaded holes to fixedly connect the direct current motor with the first plate section, the outer side face of the second plate section is fixedly connected with the bottom face of the second fixed beam, a weight reducing hole is formed in the second plate section, a fifth through hole is formed in the third plate section, and the fifth through holes are correspondingly arranged with the first through holes;
the fixing sleeve comprises a circular plate and a sleeve, one end of the sleeve is fixedly connected to the center of one side plate surface of the circular plate, a sixth through hole penetrating through the circular plate and the sleeve is formed in the center of the plate surface of the circular plate, a plurality of seventh through holes are formed in the periphery of the sixth through hole on the circular plate, bolts penetrate through the seventh through holes and the second through holes to connect the fixing sleeve with the outer side surface of the first fixing beam, the sleeve penetrates through the first through holes to be arranged, and slotted holes are formed in the side wall of the sleeve and are communicated with the sixth through holes;
the telescopic pin is arranged in the sixth through hole and is in sliding connection with the fixed sleeve, an anti-rotation key is arranged on the outer wall of the telescopic pin and penetrates through the groove hole to be arranged for limiting the sliding stroke and rotation of the telescopic pin, the screw rod penetrates through the fifth through hole to extend into the sleeve, threads are arranged on the inner wall of the telescopic pin, and the telescopic pin is sleeved at the end part of the screw rod and is in rotatable connection with the screw rod.
6. An automatic locking and unlocking box-dividing and power-changing mechanism according to any one of claims 1-5, wherein the pin head of the telescopic pin is tapered.
7. The automatic locking and unlocking box-dividing and power-changing mechanism according to claim 6, wherein the pin head of the telescopic pin is in clearance fit with the locking steel sleeve.
8. The automatic locking and unlocking box-separating and power-exchanging mechanism according to claim 4, wherein a positioning block is fixedly connected to the bottom of the second fixed beam, a ninth through hole penetrating through the positioning block is formed in the vertical direction of the positioning block, and the ninth through hole is arranged corresponding to the third through hole.
9. The automatic locking and unlocking box-dividing and power-changing mechanism according to claim 8, wherein the hole diameter of the lower end of the ninth through hole is larger than the hole diameter of the upper end.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111009164.7A CN113829863B (en) | 2021-08-31 | 2021-08-31 | Automatic divide case to trade motor mechanism of unblock that adds |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111009164.7A CN113829863B (en) | 2021-08-31 | 2021-08-31 | Automatic divide case to trade motor mechanism of unblock that adds |
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| CN113829863A CN113829863A (en) | 2021-12-24 |
| CN113829863B true CN113829863B (en) | 2023-09-05 |
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| CN112158062A (en) * | 2020-09-29 | 2021-01-01 | 东风汽车集团有限公司 | Battery box locking device and vehicle body connecting structure of battery box |
| CN212400875U (en) * | 2020-09-04 | 2021-01-26 | 广州汽车集团股份有限公司 | Battery replacement connecting device and vehicle |
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| CN105109321A (en) * | 2015-08-20 | 2015-12-02 | 北京新能源汽车股份有限公司 | Locking mechanism, quick battery pack replacing device with same and vehicle |
| CN110962808A (en) * | 2018-09-30 | 2020-04-07 | 奥动新能源汽车科技有限公司 | Automobile chassis device and electric automobile comprising same |
| CN209552989U (en) * | 2018-12-30 | 2019-10-29 | 浙江吉智新能源汽车科技有限公司 | Battery locking system and vehicle for vehicle |
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| CN113829863A (en) | 2021-12-24 |
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