CN114050297B - Automatic packing device and method for flow battery stack assembly - Google Patents
Automatic packing device and method for flow battery stack assembly Download PDFInfo
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- CN114050297B CN114050297B CN202111213989.0A CN202111213989A CN114050297B CN 114050297 B CN114050297 B CN 114050297B CN 202111213989 A CN202111213989 A CN 202111213989A CN 114050297 B CN114050297 B CN 114050297B
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- bolt
- end plate
- cell stack
- positioning mechanism
- stack
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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
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2404—Processes or apparatus for grouping fuel cells
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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
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/18—Regenerative fuel cells, e.g. redox flow batteries or secondary fuel cells
- H01M8/184—Regeneration by electrochemical means
- H01M8/188—Regeneration by electrochemical means by recharging of redox couples containing fluids; Redox flow type batteries
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention provides an automatic packing device and method for assembling a flow battery stack, wherein the automatic packing device comprises a bolt, a battery stack end plate, a bolt clamp and a bolt positioning mechanism, the bolt is movably connected with the battery stack end plate, the bolt clamp is arranged around the battery stack end plate in a circle, and the bolt positioning mechanism is arranged above the battery stack end plate. By adopting the automatic packaging device, the automation of the packaging of the electric pile can be realized through the arrangement of the connecting structure of the bolts and the end plates of the electric pile and the cooperation of the bolt clamp and the bolt positioning mechanism, namely, a plurality of bolts can be penetrated into the end plates of the electric pile at the same time, the use requirement of automatic screwing is met, and the full-automatic process of the assembly of the flow battery pile is realized; the production efficiency and the yield of the cell stack are also effectively improved; simple structure and convenient operation.
Description
Technical Field
The invention belongs to the technical field of battery assembly, and particularly relates to an automatic packing device and method for assembling a flow battery stack.
Background
As the renewable energy duty ratio increases, the problem of insufficient regulation capability of the power system is highlighted, and the development of the renewable energy industry will be restricted. The energy storage can assist peak regulation and frequency modulation of the power system, and is a powerful means for solving the problem of insufficient regulation capacity of the power system. The current assembly mode of the flow battery stack also depends on manual assembly, and has low production efficiency and low battery stack yield. In order to realize large-scale production, the traditional assembly method must be changed, and the production efficiency of the cell stack is improved by means of mechanical automation.
With the update and transformation and upgrading of modern industrial products, the tightening quality requirement is increasingly improved in the assembly link of the manufacturing industry. The last step in the assembly of the flow cell stack is to pack the stack, i.e. a plurality of bolts with a length of >1m penetrate into the corresponding bolt holes of the upper and lower end plates, and finally screw down. This step is currently a major difficulty in making the stack fully automated for assembly, and there is no automated equipment for bolting and tightening large flow cell stacks worldwide.
Disclosure of Invention
The invention provides an automatic packing device and method for assembling a flow battery stack, which can realize the automatic process of threading and screwing of the battery stack.
In order to achieve the above purpose, the following technical scheme is adopted:
the utility model provides an automatic packing apparatus for flow cell stack equipment, includes bolt, cell stack end plate, bolt anchor clamps and bolt positioning mechanism, bolt and cell stack end plate swing joint, the bolt anchor clamps are around cell stack end plate sets up, and bolt positioning mechanism locates cell stack end plate top.
Preferably, the end plate of the cell stack is provided with a trapezoid hole and an edge-expanding hole, one side of the edge-expanding hole is communicated with the trapezoid hole, the other side of the edge-expanding hole is communicated with the side face of the end plate of the cell stack, the trapezoid hole is composed of a fitting placement hole and a bolt jack, the fitting placement hole is circular, the bolt jack is matched with the bolt, and the bolt is fixedly connected with the end plate of the cell stack by being inserted into the trapezoid hole.
Preferably, the bolt positioning mechanism comprises a press, a mechanical arm and a camera, wherein the camera is arranged on the mechanical arm.
Preferably, threads are arranged at two ends of the bolt, and a flat structure is arranged at the joint of the middle part of the bolt and the end plate of the cell stack.
Preferably, springs are provided at both ends of the bolts, and the springs are located between the nuts and the stack end plates.
Preferably, the bolt clamp comprises a motor, a steel plate and a movable guide rail, wherein a plurality of clamping jaws are arranged on the steel plate, the steel plate is positioned on the movable guide rail and is in sliding connection with the movable guide rail, and the steel plate is connected with the output end of the motor.
Preferably, the automatic packing device further comprises an automatic tightening mechanism for tightening nuts and bolts, and the automatic tightening mechanism is arranged on the press machine.
An automatic packing method for flow cell stack assembly, comprising the steps of:
suspending the upper end of a bolt on the upper end plate of the cell stack end plate by adopting a bolt positioning mechanism, and adjusting the bolt to move downwards to a designated position a;
clamping the lower end of the bolt by using a bolt clamp, moving the lower end of the bolt in a direction away from the end plate of the cell stack, and adjusting an included angle between the bolt and the end plate of the cell stack to a preset angle;
the bolt is moved downwards to a designated position b by adopting the bolt positioning mechanism;
and clamping the lower end of the bolt by adopting the bolt clamp, and moving the lower end of the bolt towards the direction close to the cell stack end plate until the lower end of the bolt is connected with the lower end plate of the cell stack end plate.
Preferably, the method further comprises tightening the nut and the bolt by an automatic tightening mechanism.
Preferably, the hanging the upper end of the bolt on the upper end plate of the cell stack by using the bolt positioning mechanism, and adjusting the bolt to move downwards to the designated position a specifically comprises: the mechanical arm picks up the bolts through camera identification position information to hang the bolts on an upper end plate of the cell stack end plate, the press presses down the bolts so as to adjust the bolts to move downwards to the appointed position a, and then the press is kept in pressure and is stopped.
Preferably, nuts and springs are mounted on both ends of the bolts before the upper ends of the bolts are suspended from the upper end plates of the cell stack by the bolt positioning mechanism.
The invention has the following beneficial effects: the automatic packaging device realizes automation of the packaging of the electric pile through the arrangement of the connecting structure of the bolts and the end plates of the electric pile and the matching use of the bolt clamp and the bolt positioning mechanism, namely, a plurality of bolts can penetrate into the end plates of the electric pile at the same time, the use requirement of automatic screwing is met, and the full-automatic process of the assembly of the liquid current battery pile is realized; the production efficiency and the yield of the cell stack are also effectively improved; simple structure and convenient operation.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 shows a schematic view of a partial structure of a cell stack end plate and bolt connection of the present invention;
FIG. 2 shows a schematic structural view of a cell stack end plate and bolt connection according to an embodiment of the present invention;
FIG. 3 shows a schematic diagram of trapezoid hole and edge-spread hole structures according to an embodiment of the present invention;
FIG. 4 illustrates a schematic diagram of an automated packing process for flow cell stack assembly of the present invention;
FIG. 5 shows a schematic view of the structure of the bolt clamp of the present invention;
in the figure: 1. a stack end plate; 2. a trapezoidal hole; 3. a spread edge hole; 4. a bolt; 5. a leveling structure; 6. A spring; 7. a nut; 8. a steel plate; 9. a moving guide rail; 10. clamping jaw.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, are intended to fall within the scope of the present invention.
An automatic packing device for assembling a flow battery stack comprises a plurality of bolts 4, a battery stack end plate 1, a bolt clamp, a bolt positioning mechanism and an automatic tightening mechanism for tightening nuts 7 and bolts 4, wherein the battery stack end plate 1 comprises an upper end plate and a lower end plate, the bolts 4 are movably connected with the battery stack end plate 1, the bolt clamp is arranged around the battery stack end plate 1 in a circle, and the bolt positioning mechanism is arranged above the battery stack end plate 1; as shown in fig. 1, a plurality of trapezoid holes 2 and a plurality of edge-enlarging holes 3 are formed in a cell stack end plate 1, the number of the trapezoid holes 2, the number of the edge-enlarging holes 3 and the number of bolts 4 are the same, one side of each edge-enlarging hole 3 is communicated with the trapezoid hole 2, the other side of each edge-enlarging hole 3 is communicated with the side face of the cell stack end plate 1, each trapezoid hole 2 is communicated with the side face of the cell stack end plate 1 through the corresponding edge-enlarging hole 3, each trapezoid hole 2 is composed of a fitting placement hole and a bolt jack (on an upper end plate, the fitting placement hole is located above the bolt jack; on a lower end plate, the fitting placement hole is located below the bolt jack), the fitting placement hole is circular, and the bolts 4 are connected with the cell stack end plate 1 through insertion into the trapezoid holes 2. The bolt 4 both ends are equipped with the screw thread, and the centre is equipped with the flat structure 5 that prevents the relative trapezoidal hole 2 of bolt 4 rotatory with battery stack end plate 1 junction, and flat structure 5 can be for the arbitrary quantity concave plane that the arbitrary direction of smooth section offered in the middle of the bolt 4, the bolt jack in trapezoidal hole 2 with the flat structure 5 adaptation of bolt 4, the cross-section in bolt jack can be any one of triangle-shaped, trapezoidal, rectangle or square. As shown in fig. 3, the short side of the rectangle is located at the connection position of the trapezoid hole 2 and the edge expansion hole 3, and the width of the trapezoid hole 2 gradually narrows along the direction from outside to inside of the cell stack end plate 1. As shown in fig. 2, the flat structure 5 of the bolt 4 is attached to the bolt insertion hole of the trapezoid hole 2, so that the bolt 4 is prevented from rotating. Both ends of the bolt 4 are provided with a nut 7 and a spring 6, the diameter of the nut 7 is smaller than that of the fitting placement hole of the trapezoid hole 2, and the spring 6 is positioned between the nut 7 and the cell stack end plate 1. The automatic tightening mechanism comprises at least 1 tightening gun and a triaxial movement structure, and the tightening gun is positioned on the triaxial movement structure to realize three-dimensional space movement.
Further, the bolt positioning mechanism comprises a press, a mechanical arm and a camera, wherein the camera is arranged at the execution end of the mechanical arm, an execution claw is further arranged at the execution end of the mechanical arm, and the mechanical arm is arranged on the press; the bolt clamp comprises a servo motor (the motor can be a servo motor or a pneumatic motor, and the servo motor is selected for example), a steel plate 8 and a movable guide rail 9, as shown in fig. 5, one or more clamping jaws 10 are arranged on the steel plate 8, the steel plate 8 is positioned on the movable guide rail 9 and is in sliding connection with the movable guide rail 9, the steel plate 8 is connected with the output end of the motor, and the steel plate 8 is driven by the servo motor to move along the direction away from or close to the end plate 1 of the cell stack.
As shown in fig. 4, the automatic packing device of the present invention operates as follows: in the initial state, the nut 7, the spring 6, the gasket and other parts are firstly arranged at two ends of the bolt 4, the nut 7, the gasket and the spring 6 are arranged in sequence from the end part of the bolt 4 to the middle part, the bolt 4 is hung on a bolt frame, and after the battery stack is stacked, the automatic packaging process is carried out. First, as shown in fig. 4 (a), an executing claw at the executing end of the mechanical arm grabs the bolt 4, the bolt 4 is positioned by using a CCD (charge coupled device) camera (i.e., a camera, which is a CCD camera in an exemplary embodiment) to photograph characteristic information on the expanding hole 3 of the end plate 1 of the cell stack, the bolt 4 is accurately hung in the trapezoid hole 2 of the upper end plate of the end plate 1 of the cell stack, and the nut 7, the gasket, the spring 6 and other components are clamped in the fitting placement hole. The press then presses down the bolts 4, and as shown in fig. 4 (b), when the lower ends of the bolts 4 reach a specified position (typically near the lower end plate of the stack end plate 1), the press pressure retention is suspended; secondly, under the drive of a servo motor, a clamping jaw 10 on a steel plate 8 performs the action of clamping the lower end of the bolt 4 and moves along a moving guide rail 9 in a direction away from the cell stack end plate 1, the bolt 4 is pulled to enable the bolt 4 and the cell stack end plate 1 to be at a certain angle, and the lower end of the bolt 4 is moved out of the upper side of the cell stack end plate 1 by the pulled angle, as shown in fig. 4 (c); thirdly, starting the press again, and continuing to apply pressure until the bolts 4 move downwards to a preset position (the preset position can meet the requirement that when the lower ends of the bolts 4 return to the cell stack end plate 1, the flat structures 5 at the lower ends of the bolts 4 can be clamped into the trapezoid holes 2 of the lower end plate of the cell stack end plate 1); fourthly, starting the bolt clamp again, clamping the lower end of the bolt 4 by the clamping jaw 10, and feeding the lower end of the bolt 4 into the trapezoid hole 2 from the edge expansion hole 3 of the lower end plate of the cell stack end plate 1 under the drive of the servo motor, wherein as shown in fig. 4 (d), the flat structure 5 of the bolt 4 is clamped in a bolt jack of the trapezoid hole 2, and the parts such as a spring 6, a gasket and a nut 7 are clamped in a fitting accommodating hole; and fifthly, moving the bolt clamp out of the station, and sequentially tightening each screw rod by a tightening gun through the driving of the triaxial movement structure until the set torque is reached, and finishing automatic packaging.
The invention is characterized in that the end plate of the battery stack and the bolt structure are designed, and are matched with other structural components in the whole device, such as the bolt clamp and the automatic tightening mechanism of the bolt positioning mechanism, so that the invention has the advantages of simple structure, convenient operation, mutual connection, flexible taking and placing, and simultaneously can meet the requirement of fastening connection. The last step in the assembly of the flow cell stack is realized by the process, namely, the stack is packed, namely, a plurality of bolts with the length of more than 1m penetrate into bolt holes corresponding to the upper end plate and the lower end plate and are finally screwed up, so that the great difficulty that the complete automation of the assembly of the stack is restrained is successfully overcome, a plurality of bolts can penetrate into the end plate of the stack at the same time, the automation of the packing of the stack is finally realized, the use requirement of automatic screwing up is met, and the process of the assembly of the flow cell stack is fully automated.
An automatic packing method for assembling a flow battery stack, which is based on the automatic packing device for assembling the flow battery stack, and comprises the following steps of:
firstly, installing nuts 7 and springs 6 at two ends of a bolt 4, hanging the upper end of the bolt 4 on an upper end plate of a cell stack end plate 1 by adopting a bolt positioning mechanism, and adjusting the bolt 4 to move downwards to a designated position a;
the lower end of the bolt 4 is clamped by a bolt clamp and moves in a direction away from the cell stack end plate 1, and the angle between the bolt 4 and the cell stack end plate 1 is adjusted to a preset angle;
the bolt 4 is downwards moved to a designated position b by adopting a bolt positioning mechanism again;
the lower end of the bolt 4 is clamped by a bolt clamp and moves towards the direction close to the cell stack end plate 1 until the lower end of the bolt 4 is connected with the lower end plate of the cell stack end plate 1;
the nut 7 and the bolt 4 are tightened by an automatic tightening mechanism.
Further, the bolt 4 is suspended on the upper end plate of the cell stack end plate 1 by adopting the bolt positioning mechanism, and the bolt 4 is adjusted to move downwards to a specified position specifically comprises: the mechanical arm is hung on the upper end plate of the cell stack end plate 1 through a camera identification position information grabbing bolt 4, the press pressing bolt 4 is used for adjusting the bolt 4 to move downwards to a designated position, and the press is stopped in a pressure maintaining mode.
In summary, the automatic packaging device provided by the invention realizes automation of stack packaging through the arrangement of the connecting structure of the bolts and the stack end plates and the cooperation of the bolt clamp and the bolt positioning mechanism, namely, a plurality of bolts can penetrate into the stack end plates at the same time, and the use requirement of automatic tightening is met, so that the full-automatic process of assembling the flow cell stack is realized; the production efficiency and the yield of the cell stack are also effectively improved; simple structure and simple operation method.
Although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The automatic packing device for assembling the flow battery stack is characterized by comprising a bolt, a battery stack end plate, a bolt clamp and a bolt positioning mechanism, wherein the bolt is movably connected with the battery stack end plate, the bolt clamp is arranged around the battery stack end plate, and the bolt positioning mechanism is arranged above the battery stack end plate;
the end plate of the cell stack is provided with a trapezoid hole and an edge-expanding hole, one side of the edge-expanding hole is communicated with the trapezoid hole, the other side of the edge-expanding hole is communicated with the side surface of the end plate of the cell stack, the trapezoid hole consists of a fitting placement hole and a bolt jack, the fitting placement hole is circular, nuts and springs are arranged at two ends of the bolt, the diameter of the nut is smaller than that of the fitting placement hole, the bolt jack is matched with the bolt, and the bolt is fixedly connected with the end plate of the cell stack by being inserted into the trapezoid hole;
adopt the automatic packing device for flow battery pile equipment to pack automatically, include:
suspending the upper end of a bolt on the upper end plate of the cell stack end plate by adopting a bolt positioning mechanism, and adjusting the bolt to move downwards to a designated position a;
clamping the lower end of the bolt by using a bolt clamp, moving the lower end of the bolt in a direction away from the end plate of the cell stack, and adjusting the included angle between the bolt and the end plate of the cell stack to a preset angle;
the bolt is moved downwards to a designated position b by adopting the bolt positioning mechanism;
and clamping the lower end of the bolt by adopting the bolt clamp, and moving the lower end of the bolt towards the direction close to the cell stack end plate until the lower end of the bolt is connected with the lower end plate of the cell stack end plate.
2. The automated bagging device for flow cell stack assembly of claim 1, wherein the bolt positioning mechanism comprises a press, a robotic arm, and a camera disposed on the robotic arm.
3. The automatic packing device for assembling the flow battery stack according to claim 1, wherein threads are arranged at two ends of the bolt, a flat structure is arranged at the joint of the middle of the bolt and the end plate of the battery stack, and the flat structure is any number of concave planes formed in any direction of a smooth section in the middle of the bolt.
4. The automated packing device for flow cell stack assembly of claim 3, wherein springs are provided at both ends of the bolts, the springs being located between the nuts and stack end plates.
5. The automatic packing device for assembling a flow battery stack according to any one of claims 1 to 4, wherein the bolt fixture comprises a motor, a steel plate and a movable guide rail, a plurality of clamping jaws are arranged on the steel plate, the steel plate is located on the movable guide rail and is in sliding connection with the movable guide rail, and the steel plate is connected with an output end of the motor.
6. The automated packing apparatus for flow cell stack assembly of claim 5, further comprising an automated tightening mechanism for tightening nuts and bolts, the automated tightening mechanism being provided on the press.
7. An automatic packing method for flow cell stack assembly, characterized in that the automatic packing device for flow cell stack assembly according to any one of claims 1 to 6 is adopted, comprising the following steps:
suspending the upper end of a bolt on the upper end plate of the cell stack end plate by adopting a bolt positioning mechanism, and adjusting the bolt to move downwards to a designated position a;
clamping the lower end of the bolt by using a bolt clamp, moving the lower end of the bolt in a direction away from the end plate of the cell stack, and adjusting the included angle between the bolt and the end plate of the cell stack to a preset angle;
the bolt is moved downwards to a designated position b by adopting the bolt positioning mechanism;
and clamping the lower end of the bolt by adopting the bolt clamp, and moving the lower end of the bolt towards the direction close to the cell stack end plate until the lower end of the bolt is connected with the lower end plate of the cell stack end plate.
8. The automated bagging method for flow cell stack assembly of claim 7, further comprising tightening a nut with the bolt by an automated tightening mechanism.
9. The automated bagging method for assembling a flow cell stack of claim 8, wherein suspending the upper end of the bolt from the upper end plate of the stack end plate using a bolt positioning mechanism and adjusting the bolt to move downward to the designated position a comprises: the mechanical arm grasps the bolt to hang on the upper end plate of the cell stack end plate through camera identification position information, and the press presses down the bolt to adjust
The bolt moves down to the designated position a and then the press dwell is suspended.
10. The automated bagging process for the assembly of a flow cell stack of any one of claims 7 to 9 wherein the upper end of the bolts are suspended from the upper end plate of the stack end plate by a bolt positioning mechanism
Before the mounting, nuts and springs are mounted at two ends of the bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111213989.0A CN114050297B (en) | 2021-10-19 | 2021-10-19 | Automatic packing device and method for flow battery stack assembly |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111213989.0A CN114050297B (en) | 2021-10-19 | 2021-10-19 | Automatic packing device and method for flow battery stack assembly |
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| CN114050297B true CN114050297B (en) | 2023-06-16 |
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| DE7611459U1 (en) * | 1976-04-12 | 1976-08-26 | Kroll, Manfred W., Ing.(Grad.), 8034 Unterpfaffenhofen | LOCKING DEVICE |
| JP3657538B2 (en) * | 2001-06-12 | 2005-06-08 | 住友電気工業株式会社 | Cell stack for redox flow battery |
| KR101479836B1 (en) * | 2013-04-08 | 2015-01-06 | 현대하이스코 주식회사 | Fuel cell with excellent clamping force |
| JP2017208178A (en) * | 2016-05-16 | 2017-11-24 | 住友電気工業株式会社 | Cell stack and redox flow battery |
| CN111384423B (en) * | 2018-12-29 | 2021-04-27 | 长城汽车股份有限公司 | Pressurization assembly, fuel cell stack and first end plate assembly thereof, pressurization frame, assembly method and vehicle |
| CN210576254U (en) * | 2019-05-24 | 2020-05-19 | 珠海格力电器股份有限公司 | Fastening structure and fuel cell stack with same |
| CN211428278U (en) * | 2020-02-26 | 2020-09-04 | 无锡先导智能装备股份有限公司 | Fastening device for electric pile |
| CN111403787B (en) * | 2020-03-30 | 2021-07-06 | 东风汽车集团有限公司 | Holding tool device for automatic stacking of fuel cell stack |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104538663A (en) * | 2014-12-05 | 2015-04-22 | 江苏绿遥燃料电池系统制造有限公司 | Fuel cell stack fixed structure convenient for adjustment |
| CN211507788U (en) * | 2019-12-31 | 2020-09-15 | 上海骥翀氢能科技有限公司 | Electric pile spring mounting structure and electric pile |
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