CN117134063A - Locking mechanism of heavy-duty truck battery box - Google Patents
Locking mechanism of heavy-duty truck battery box Download PDFInfo
- Publication number
- CN117134063A CN117134063A CN202311376301.XA CN202311376301A CN117134063A CN 117134063 A CN117134063 A CN 117134063A CN 202311376301 A CN202311376301 A CN 202311376301A CN 117134063 A CN117134063 A CN 117134063A
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- Prior art keywords
- locking
- driving device
- locking mechanism
- axis direction
- arm
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- 230000007246 mechanism Effects 0.000 title claims abstract description 94
- 210000000078 claw Anatomy 0.000 claims abstract description 13
- 230000007306 turnover Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/80—Exchanging energy storage elements, e.g. removable batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention belongs to the technical field of heavy truck battery replacement, and discloses a locking mechanism of a heavy truck battery box for battery replacement, wherein the locking mechanism is detachably arranged on a base for placing the battery box and comprises a claw, a driving device and a connecting rod mechanism; the connecting rod mechanism comprises a connecting arm and a rotary input arm, one end of the connecting arm is hinged with the clamping jaw, the other end of the connecting arm is hinged with one end of the rotary input arm, and the other end of the rotary input arm is fixedly connected with the output end of the driving device; in the locking state, the link mechanism is turned over and moved until the clamping jaw is clamped and fixed on the battery box; in the unlocking state, the connecting rod mechanism is turned over and moves to the inner side of the frame of the collet, and the highest point of the collet and the connecting rod mechanism is lower than the top surface of the collet. According to the invention, the large-scale overturning of the locking mechanism can be realized through the connecting rod mechanism; when the locking mechanism is in a locking state, the locking arm can be stably supported, and the reliability of locking is ensured.
Description
Technical Field
The invention belongs to the technical field of heavy-duty truck power conversion, and particularly relates to a locking mechanism of a heavy-duty truck power conversion battery box.
Background
The locking mechanism for replacing the heavy truck plays a key role in ensuring the safety and reliability of the battery box. The battery box has different structures according to the battery replacement mode, but the main task is to ensure firm connection between the battery module and the heavy truck, and can realize functions of unlocking and the like when the battery is required to be replaced or maintained.
The prior locking mechanism scheme structure is mainly fixed in a main structure, and then the pressing block is driven to lock the battery box through the expansion of the air cylinder, so that the structure scheme is simple, but cannot be used in side-pull type power conversion, interference collision risks exist, and the locking mechanism is only used for locking the Z direction (in the vertical direction), such as a locking device with the application number of CN 201911357127.8.
In addition, although the overturning locking can be realized by a part of locking mechanism, the battery box frame cannot be completely avoided by the locking structure, so that the battery box is at collision risk during lateral power exchange, meanwhile, the X-direction force caused by X-direction (width direction of the bottom bracket) collision is not considered by a part of locking mechanism, the locking head is easy to overturn, and the locking mechanism is invalid. Such as CN202111086832.6, and locking mechanism in CN 202122606256.5.
Therefore, the locking mechanism of the existing heavy-duty battery box is designed aiming at the top-hanging type power conversion mode, and cannot be compatible with the side-pulling type power conversion mode. The battery box is pushed and pulled to the heavy-duty card collet from one side, so that the structure on the collet needs to be ensured to have no interference in the lateral pushing and pulling process of the battery box, and the locking mechanism of the traditional heavy-duty card battery box has limitations, so that the lateral pushing and pulling operation (namely, the lateral pulling type power change form) of the battery box cannot be completely interfered.
In view of the above, the present inventors have conducted intensive studies and have made the present invention.
Disclosure of Invention
The invention aims to provide a battery box locking mechanism compatible with lateral power conversion and top-hung type heavy-duty power conversion, which ensures the connection reliability and safety of a battery box under complex working conditions, and simultaneously considers the functional convenience of the structure and ensures the convenience of locking and unlocking processes.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
the locking mechanism of the heavy-duty truck battery box is detachably arranged on a base for placing the battery box, and the base is fixedly connected to the electric heavy-duty truck;
the locking mechanism comprises a claw, a driving device and a connecting rod mechanism which is connected between the driving device and the claw in a transmission way, and the driving device is a driving device for driving the connecting rod mechanism to swing in a rotary way;
the connecting rod mechanism comprises a connecting arm and a rotary input arm, one end of the connecting arm is hinged with the clamping jaw, the other end of the connecting arm is hinged with one end of the rotary input arm, and the other end of the rotary input arm is fixedly connected with the output end of the driving device;
in a locking state, the link mechanism is driven by the driving device to turn over and move until the clamping jaw is clamped and fixed on the bottom frame of the battery box; under the unlocking state, the connecting rod mechanism is driven by the driving device to turn over and move to the inner side of the frame of the collet, and the highest point of the jaw and the connecting rod mechanism is lower than the top surface of the collet.
Further, the head of jack catch is equipped with the wedge, the wedge is formed with the inclined plane, the wedge is equipped with the locking piece, the locking piece is fixed in on the bottom frame of battery box, the locking piece be formed with the shape and the big or small assorted locking groove of wedge respectively, under the locking state, the wedge is limited to be located in the locking groove, the locking piece in the week side of wedge is formed with the side that half encloses.
Further, the locking mechanism further comprises a collet fixing seat and a mounting seat, the tail of the clamping jaw is fixedly connected with the collet fixing seat through a first pin shaft, the middle of the clamping jaw is hinged to one end of the connecting arm through a second pin shaft, the other end of the connecting arm is hinged to one end of the rotary input arm through a third pin shaft, the other end of the rotary input arm is hinged to the mounting seat through a limiting rod, one end of the limiting rod is fixedly connected to the output end of the driving device, the mounting seat is fixedly connected to a supporting piece located on the inner side of a frame of the collet, and the collet fixing seat is fixedly connected to the frame of the collet.
Further, the driving device is a rotary cylinder.
Further, the shoe is a rectangular frame, the width direction of the shoe is taken as the X-axis direction, the length direction of the shoe is taken as the Y-axis direction, the vertical direction is taken as the Z-axis direction, in a locking state, the connecting arm and the rotary input arm are positioned on the same straight line, the claw receives the locking force in the Z-axis direction, and the side edge of the locking block comprises a first side edge positioned in the Y-axis direction, a second side edge positioned in the X-axis direction and a third side edge positioned in the X-axis direction; the first side edge is opposite to the limiting rod, the clamping jaw receives locking force in the X-axis direction, the second side edge is opposite to the third side edge, and the clamping jaw receives locking force in the Y-axis direction.
Further, the number of the locking mechanisms is four, two locking mechanisms are arranged on one long frame, and the other two locking mechanisms are arranged on the other long frame.
After the technical scheme is adopted, the locking mechanism of the heavy-duty truck battery box has the following beneficial effects: according to the locking mechanism disclosed by the invention, when the battery box is in an unlocking state, the clamping claw can be overturned to the inner side of the collet under the action of the driving device, so that interference collision between the collet and the battery box during power change movement (particularly power change in a side-pull mode) can be avoided.
Further, the locking mechanism can be turned over greatly under the action of the rotary cylinder through the connecting rod mechanism, so that the locking mechanism can be effectively avoided, and interference and collision of the structure are avoided. Be equipped with the gag lever post structurally, when tilting mechanism in the locked position, the linking arm of locking mechanism just is a straight line, can guarantee that the battery box is receiving the limit condition of X direction collision, and locking mechanism receives the effectual transmission of power ability through the linking arm to the collet (Y axle direction atress promptly). Without the pawl turning over and disabling the locking mechanism.
In addition, the wedge with inclined plane and the design of locking piece can guarantee simultaneously that locking mechanism is to the locking of X axis direction, Y axis direction and Z axis direction, and 3 directions promptly altogether, can improve the reliability of locking mechanism, and the locking position of battery box is equipped with the locking piece of the same profile simultaneously, can effectively improve the security of locking.
Drawings
FIG. 1 is a schematic view of a locking mechanism of the present invention in a locked state;
FIG. 2 is a schematic structural view of a locking mechanism of the present invention;
FIG. 3 is a schematic view of the wedge and lock of the present invention.
In the figure:
a bottom bracket a; a battery box b; a claw 1; a driving device 2; a connecting arm 3; a rotary input arm 4; wedge block 51; a bevel 511; a lock block 52; a locking groove 521; a shoe holder 61; a mounting base 62; a first pin 63; a second pin 64; a third pin 65; a stop lever 66; a first side edge 71; a second side edge 72; and a third side edge 73.
Detailed Description
According to the locking mechanism of the heavy-duty battery box, as shown in fig. 1 and 3, the locking mechanism is detachably arranged on the base a, the base a is used for placing the battery box, the battery box b in fig. 1 is a bottom frame of the battery box (the upper end and the other parts of the battery box are hidden), and the base a is fixedly connected to the electric heavy-duty battery box.
The locking mechanism comprises a claw 1, a driving device 2 and a connecting rod mechanism which is connected between the driving device 2 and the claw 1 in a transmission way, wherein the driving device 2 is a driving device for driving the connecting rod mechanism to swing in a revolving way.
The connecting rod mechanism comprises a connecting arm 3 and a rotary input arm 4, one end of the connecting arm 3 is hinged with the clamping jaw 1, the other end of the connecting arm 3 is hinged with one end of the rotary input arm 4, and the other end of the rotary input arm 4 is fixedly connected with the output end of the driving device 2.
In a locking state, the connecting rod mechanism is driven by the driving device to turn over and move until the clamping jaw 1 is clamped and fixed on the battery box b (namely, the bottom frame of the battery box), and the connecting arm 3 and the rotary input arm 4 are positioned on the same straight line; in the unlocking state, the connecting rod mechanism is driven by the driving device 2 to turn over and move to the jaw 1 and the connecting rod mechanism is positioned on the inner side of the frame of the bottom bracket a, and the height of the highest point of the jaw 1 and the connecting rod mechanism is lower than the height of the top surface of the bottom bracket a.
According to the locking mechanism disclosed by the invention, when the battery box b is in an unlocking state, the clamping jaw 1 can be overturned to the inner side of the collet a under the action of the driving device 2, so that interference collision between the collet a and the battery box b during power change movement (particularly side-pull type power change) can be avoided. Through the link mechanism, the locking mechanism can be turned over in a large range. The clamping jaw 1 is arranged, has a locking limiting function, and in a locking state, the connecting rod mechanism is in a straight line, so that the locking arm (namely the connecting arm 3 and the rotary input arm 4) can be stably supported, and the reliability of locking is ensured.
As a preferred embodiment, referring to fig. 2 and 3, the head of the jaw 1 is provided with a wedge 51, the wedge 51 is formed with a slope 511, the wedge 51 is provided with a locking block 52, the locking block 52 is fixed on the battery box b, the locking block 52 is formed with locking grooves 521 respectively matched with the shape and the size of the wedge 51, in the locked state, the wedge 51 is limited in the locking grooves 521, and the locking block 52 is formed with semi-enclosed side edges on the periphery of the wedge 51.
As a preferred embodiment, referring to fig. 2, the locking mechanism further includes a shoe fixing base 61 and a mounting base 62, where the shoe fixing base 61 is fixed on the frame. The afterbody of jack catch 1 is fixed connection with collet fixing base 61 through first round pin axle 63, and the middle part of jack catch 1 articulates with the one end of linking arm 3 through second round pin axle 64, and the other end of linking arm 3 articulates with the one end of rotatory input arm 4 through third round pin axle 65, and the other end of rotatory input arm 4 articulates with mount pad 62 through gag lever post 66, and the one end fixed connection of gag lever post 66 is in the output of drive arrangement 2, and mount pad 62 fixed connection is on the support piece that is located collet a's frame inboard.
As a preferred embodiment, the drive means 2 is a rotary cylinder.
As a preferable implementation mode, the bottom bracket a is a rectangular frame and comprises four frames and supporting rods (the supporting pieces) arranged on the inner sides of the frames, and the supporting rods are fixedly connected with the four frames of the bottom bracket a. The mounting seat 62 is fixedly connected to the supporting rod, and the collet fixing seat 61 is fixedly connected to the four-side frame. In the locked state, the claw 1 receives a locking force in the Z-axis direction with the width direction of the shoe a as the X-axis direction and the length direction of the shoe a as the Y-axis direction and the vertical direction as the Z-axis direction, and as shown in fig. 3, the side edges of the locking block 52 include a first side edge 71 in the Y-axis direction, and a second side edge 72 and a third side edge 73 in the X-axis direction; the first side edge 71 is disposed opposite to the stopper 66, the claw 1 receives the locking force in the X-axis direction, the second side edge 72 is disposed opposite to the third side edge 73, and the claw 1 receives the locking force in the Y-axis direction.
Therefore, the locking mechanism can be turned over greatly under the action of the rotary cylinder through the connecting rod mechanism, so that the locking mechanism can be effectively avoided, and interference and collision of the structure are avoided. The limiting rod 66 is structurally arranged, when the battery box a is overturned to the locking position, the connecting rod mechanism is just in a straight line, so that the locking mechanism can be effectively transmitted to the bottom support a (namely, the Z-axis direction stress) through the connecting arm 3 when the battery box a is under the limit working condition of X-direction collision. Without the pawl 1 turning over and disabling the locking mechanism. The locking mechanism is convenient for the transmission and balance of force before and after the locking structure when being stressed.
In addition, the design of wedge 51 and locking piece 52 with inclined plane 511 can guarantee the locking mechanism simultaneously to the locking of X axis direction, Y axis direction and Z axis direction, and 3 orientations altogether promptly, can improve the reliability of locking mechanism, and battery box b sets up a plurality of locking position simultaneously, is equipped with the same locking piece 52 in each locking position one-to-one, can effectively improve the security of locking.
As a preferable implementation mode, the number of the locking mechanisms is four, two locking mechanisms are arranged on one long frame, and the other two locking mechanisms are arranged on the other long frame. The locking mechanism is arranged back to back.
The above examples and drawings are not intended to limit the form or form of the present invention, and any suitable variations or modifications thereof by those skilled in the art should be construed as not departing from the scope of the present invention.
Claims (6)
1. The utility model provides a locking mechanism of heavy card battery box that trades which characterized in that: the locking mechanism is detachably arranged on a bottom support for placing the battery box, and the bottom support is fixedly connected to the electric heavy truck;
the locking mechanism comprises a claw, a driving device and a connecting rod mechanism which is connected between the driving device and the claw in a transmission way, and the driving device is a driving device for driving the connecting rod mechanism to swing in a rotary way;
the connecting rod mechanism comprises a connecting arm and a rotary input arm, one end of the connecting arm is hinged with the clamping jaw, the other end of the connecting arm is hinged with one end of the rotary input arm, and the other end of the rotary input arm is fixedly connected with the output end of the driving device;
in a locking state, the connecting rod mechanism is driven by the driving device to turn over and move until the clamping jaw is clamped and fixed on the bottom frame of the battery box, and the connecting arm and the rotary input arm are positioned on the same straight line; under the unlocking state, the connecting rod mechanism is driven by the driving device to turn over and move to the inner side of the frame of the collet, and the highest point of the jaw and the connecting rod mechanism is lower than the top surface of the collet.
2. The locking mechanism of a heavy truck battery compartment as set forth in claim 1, wherein: the head of jack catch is equipped with the wedge, the wedge is formed with the inclined plane, the wedge is equipped with the locking piece, the locking piece is fixed in on the bottom frame of battery box, the locking piece be formed with the shape and the size of wedge respectively assorted locking groove, under the locking state, the wedge limit is located in the locking groove, the locking piece in the week side of wedge is formed with the side edge that partly encloses.
3. The locking mechanism of a heavy truck battery compartment as set forth in claim 2, wherein: the locking mechanism further comprises a collet fixing seat and a mounting seat, the tail of the clamping jaw is fixedly connected with the collet fixing seat through a first pin shaft, the middle of the clamping jaw is hinged to one end of the connecting arm through a second pin shaft, the other end of the connecting arm is hinged to one end of the rotary input arm through a third pin shaft, the other end of the rotary input arm is hinged to the mounting seat through a limiting rod, one end of the limiting rod is fixedly connected to the output end of the driving device, the mounting seat is fixedly connected to a supporting piece located on the inner side of a frame of the collet, and the collet fixing seat is fixedly connected to the frame of the collet.
4. The locking mechanism of a heavy truck battery compartment as set forth in claim 1, wherein: the driving device is a rotary cylinder.
5. A locking mechanism for a heavy duty battery compartment as recited in claim 3, further comprising: the bottom support is a rectangular frame, the width direction of the bottom support is taken as the X-axis direction, the length direction of the bottom support is taken as the Y-axis direction, the vertical direction is taken as the Z-axis direction, the clamping jaw receives a locking force in the Z-axis direction in a locking state, and the side edges of the locking block comprise a first side edge positioned in the Y-axis direction, a second side edge positioned in the X-axis direction and a third side edge positioned in the X-axis direction; the first side edge is opposite to the limiting rod, the clamping jaw receives locking force in the X-axis direction, the second side edge is opposite to the third side edge, and the clamping jaw receives locking force in the Y-axis direction.
6. The locking mechanism of a heavy truck battery compartment of claim 5, wherein: the number of the locking mechanisms is four, two locking mechanisms are arranged on one long frame, and the other two locking mechanisms are arranged on the other long frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311376301.XA CN117134063B (en) | 2023-10-24 | 2023-10-24 | Locking mechanism of heavy-duty truck battery box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311376301.XA CN117134063B (en) | 2023-10-24 | 2023-10-24 | Locking mechanism of heavy-duty truck battery box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117134063A true CN117134063A (en) | 2023-11-28 |
| CN117134063B CN117134063B (en) | 2023-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311376301.XA Active CN117134063B (en) | 2023-10-24 | 2023-10-24 | Locking mechanism of heavy-duty truck battery box |
Country Status (1)
| Country | Link |
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| CN (1) | CN117134063B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012202164A1 (en) * | 2012-02-14 | 2013-08-14 | Schaeffler Technologies AG & Co. KG | Device for lifting and fixing traction battery in lower installation space of electrically driven vehicle, has releasable locking unit to prevent undesired rotational movement of the threaded spindle about spindle axis |
| CN217022257U (en) * | 2022-04-12 | 2022-07-22 | 北京胜能能源科技有限公司 | Locking mechanism, locking mechanism assembly and heavy truck |
| CN115503457A (en) * | 2022-10-24 | 2022-12-23 | 江苏众如金属科技有限公司 | Heavy-duty truck battery-replacing box locking device assembly |
| CN115626045A (en) * | 2022-10-24 | 2023-01-20 | 江苏众如金属科技有限公司 | Electronic heavily block battery box locking means assembly |
| CN116533734A (en) * | 2022-12-30 | 2023-08-04 | 奥动新能源汽车科技有限公司 | Quick change assembly and change electric vehicle |
-
2023
- 2023-10-24 CN CN202311376301.XA patent/CN117134063B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012202164A1 (en) * | 2012-02-14 | 2013-08-14 | Schaeffler Technologies AG & Co. KG | Device for lifting and fixing traction battery in lower installation space of electrically driven vehicle, has releasable locking unit to prevent undesired rotational movement of the threaded spindle about spindle axis |
| CN217022257U (en) * | 2022-04-12 | 2022-07-22 | 北京胜能能源科技有限公司 | Locking mechanism, locking mechanism assembly and heavy truck |
| CN115503457A (en) * | 2022-10-24 | 2022-12-23 | 江苏众如金属科技有限公司 | Heavy-duty truck battery-replacing box locking device assembly |
| CN115626045A (en) * | 2022-10-24 | 2023-01-20 | 江苏众如金属科技有限公司 | Electronic heavily block battery box locking means assembly |
| CN116533734A (en) * | 2022-12-30 | 2023-08-04 | 奥动新能源汽车科技有限公司 | Quick change assembly and change electric vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117134063B (en) | 2023-12-26 |
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