Hydrogen fuel electric pile holding tool device

By designing a clamping fixture for hydrogen fuel cell stacks, the problems of insufficient interlayer alignment accuracy and compression uniformity during stack assembly were solved, achieving an efficient and stable stack pressing process that is adaptable to the production of multiple models.

CN121035283APending Publication Date: 2025-11-28LVZHI NEW ENERGY TECH (SHANGHAI) CO LTD
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Patent Information

Application Number
CN202511305015.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-09-12
Publication Date
2025-11-28

AI Technical Summary

Technical Problem

In the existing technology, the alignment accuracy and compression uniformity of the layers are insufficient during the assembly process of hydrogen fuel cell stacks, which affects the stack performance and production efficiency, and the applicable scope is relatively narrow.

Method used

A clamping fixture for hydrogen fuel cell stacks was designed, including components such as a left-hand rotating door module, a side-pushing module, a pin cylinder, and a clamping cylinder, which provide a stable frame and improve the accuracy and consistency of stack pressing through precise mechanical operation.

Benefits of technology

It improves the production efficiency and sealing quality of fuel cell stack pressing, adapts to the production of multiple fuel cell stack models, shortens the fuel cell stack turnaround time, and enhances the consistency of fuel cell stack pressing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to a hydrogen fuel electric pile holding tool device which comprises a left rotating door module, a side pushing module, a left plug pin air cylinder, a left pressing air cylinder, a left side pushing module, a right plug pin air cylinder, a right pressing air cylinder, a right rotating door module, a right side pushing module and a feeding module. The left rotating door module and the right rotating door module are both installed on the bottom plate and located on the left side and the right side of the side pushing module, the feeding module is installed on the bottom plate and located between the left rotating door module and the right rotating door module, the left side pushing module and the right side pushing module are both installed on the bottom plate, and the left side pushing module is located between the side pushing module and the left rotating door module. The right side pushing module is located between the side pushing module and the right rotating door module. By adopting the hydrogen fuel electric pile holding tool device, a stable frame is provided for electric pile press-fitting, the electric pile transfer time is shortened, the electric pile press-fitting production efficiency is improved, the electric pile press-fitting sealing quality is improved, and the electric pile press-fitting consistency is improved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of fuel cell vehicles, in particular to the field of hydrogen fuel cells, and more particularly to a hydrogen fuel stack clamping tool device. BACKGROUND

[0002] Fuel cell vehicles are an important technical route for China's new energy vehicle industry. The promotion and application of hydrogen energy play an important role in addressing climate change and curbing the process of global warming, and many countries are accelerating the development of hydrogen energy industry by investing a large amount of funds in the production, storage and transportation of hydrogen energy. The improvement of interlayer alignment accuracy, compression uniformity and consistency during stack pressing directly affects the improvement of stack performance.

[0003] A hydrogen fuel cell is a device that converts chemical energy stored in fuel and oxidant into electrical energy through electrochemical means. The hydrogen fuel cell includes a plurality of cell monoliths, a plurality of cell monoliths and a sealing element, and two side end plates are stacked and pressed to form a stack and are packaged in a stack packaging structure. The assembly integration efficiency and quality of the fuel cell device greatly affect the manufacturing cost and product quality of the fuel cell device. The stack integration link includes the following steps from the overall assembly process: component incoming inspection, stack lamination, stack pressing, stack accessory installation, stack assembly quality inspection, stack activation and performance testing. In the production process, the stack lamination process takes the longest time, has the highest precision requirement, and has the greatest impact on the assembly quality of the stack. SUMMARY

[0004] The present application aims to overcome the shortcomings of the prior art and provide a hydrogen fuel stack clamping tool device that meets the requirements of good sealing quality, high production efficiency and wide application range.

[0005] To achieve the above-mentioned purpose, the hydrogen fuel stack clamping tool device of the present application is as follows: The hydrogen fuel stack clamping tool device, which mainly comprises a left rotating door module, a side pushing module, a left bolt cylinder, a left pressing cylinder, a left side pushing module, a right bolt cylinder, a right pressing cylinder, a right rotating door module, a right side pushing module and a feeding module, the side pushing module is installed on the bottom plate, the left rotating door module and the right rotating door module are both installed on the bottom plate and located on the left and right sides of the side pushing module, the feeding module is installed on the bottom plate and located between the left rotating door module and the right rotating door module, the left side pushing module and the right side pushing module are both installed on the bottom plate, the left side pushing module is located between the side pushing module and the left rotating door module, and the right side pushing module is located between the side pushing module and the right rotating door module.

[0006] Preferably, the left revolving door module includes a left hard limit switch, a left electromagnet, three left columns, a left column shaft fixing seat, a left revolving door shaft angular contact belt bearing, a left limit rod, a left position sensor, a left locking nut, a left quick handle, and a left top plate. The left electromagnet is installed below the left hard limit switch, and the left hard limit switch is installed below the left top plate. The top end of one of the left columns is installed below the left top plate, and the bottom end is installed on the left revolving door shaft angular contact belt bearing. The left limit rod is installed on the side of the right column. The left position sensor is installed above the left limit rod. The left quick handle is installed below the left limit rod. The top ends of the other two left columns are installed below the right top plate via a left locking nut, and the bottom ends of the two left columns are installed on the right column shaft fixing seat.

[0007] Preferably, the right revolving door module includes a right hard limit switch, a right electromagnet, three right columns, a right column shaft fixing seat, a right revolving door shaft angular contact belt bearing, a right limit rod, a right position sensor, a right locking nut, a right quick handle, and a right top plate. The right electromagnet is installed below the right hard limit switch, and the right hard limit switch is installed below the right top plate. The top end of one of the right columns is installed below the right top plate, and the bottom end is installed on the right revolving door shaft angular contact belt bearing. The right limit rod is installed on the side of the one right column, the right position sensor is installed above the right limit rod, and the right quick handle is installed below the right limit rod. The top ends of the other two right columns are installed below the right top plate via right locking nuts, and the bottom ends of the two right columns are installed on the right column shaft fixing seat.

[0008] Preferably, the feeding module includes an upper fuel cell stack support plate, a floating joint, a lower guide rail mounting plate, a ball screw, a guide rail, and a servo motor. The guide rail is mounted on the lower guide rail mounting plate, the ball screw is mounted on the lower guide rail mounting plate and located in the middle of the guide rail, the floating joint is mounted on the ball screw and moves on the ball screw, the upper fuel cell stack support plate is mounted on the guide rail and slides along the guide rail, and the servo motor is mounted on the side of the guide rail.

[0009] Preferably, the side-push module includes an upper mounting plate, a side-push cylinder, a side-push servo module, a side-push block, and two support columns. The two support columns are installed below the upper mounting plate, the side-push servo module is installed on the support columns, the side-push cylinder is installed on the side-push servo module, and the side-push block is installed on the side of the side-push cylinder.

[0010] Preferably, the left pin cylinder includes a sensing and limiting bolt, a positioning sensor, a base mounting plate, a left positioning pin, and a left cylinder. The cylinder is mounted on the base mounting plate, the positioning pin is mounted above the cylinder, the sensing and limiting bolt passes through the positioning pin, and the positioning sensor is mounted on the base mounting plate.

[0011] Preferably, the right pin cylinder includes a positioning pin, a right cylinder, a limit bolt, and a right mounting plate. The right mounting plate is mounted above the limit bolt, the positioning pin is mounted above the right mounting plate, and the limit bolt is mounted inside the positioning pin.

[0012] Preferably, the left clamping cylinder includes a left brake cylinder with guide rod, a left mounting plate, a left shaft fixing block, and a left clamping block. The left mounting plate is mounted on two left shaft fixing blocks, the left clamping block is mounted on the left mounting plate, and the left brake cylinder with guide rod is mounted in front of the left clamping block.

[0013] Preferably, the right clamping cylinder includes a right brake cylinder with guide rod, a right mounting plate, a right shaft fixing block, and a right clamping block. The right mounting plate is mounted on two right shaft fixing blocks, the right clamping block is mounted on the right mounting plate, and the right brake cylinder with guide rod is mounted in front of the right clamping block.

[0014] Preferably, the left push module includes a left pin sleeve, a left guide rail mounting base, a left lead screw module, a left servo motor, a left positioning rod, and a left positioning rod adjusting block. The left servo motor is mounted on the side of the left lead screw module, the left positioning rod adjusting block is mounted on a sliding plate above the left lead screw module, the left positioning rod is mounted on the left positioning rod adjusting block, the left positioning rod adjusting block slides on the left lead screw module, the left guide rail mounting base is mounted on the left positioning rod, and the left pin sleeve is mounted on the side of the left positioning rod.

[0015] Preferably, the right push module assembly includes a right pin sleeve, a right guide rail mounting base, a right lead screw module, a right servo motor, a right positioning rod, and a right positioning rod adjusting block. The right servo motor is mounted on the side of the right lead screw module, the right positioning rod adjusting block is mounted on a sliding plate above the right lead screw module, the right positioning rod is mounted on the right positioning rod adjusting block, the right positioning rod adjusting block slides on the right lead screw module, the right guide rail mounting base is mounted on the right positioning rod, and the right pin sleeve is mounted on the side of the right positioning rod.

[0016] The hydrogen fuel cell stack clamping fixture of the present invention provides a stable framework for stack press-fitting, shortens stack turnaround time, improves stack press-fitting production efficiency, improves stack press-fitting sealing quality, improves stack press-fitting consistency, and is adaptable to the production of multiple stack models. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of the hydrogen fuel cell stack clamping device of the present invention.

[0018] Figure 2 This is a schematic diagram of the left rotating door module A00 of the hydrogen fuel cell stack clamping fixture of the present invention.

[0019] Figure 3 This is a schematic diagram of the right rotating door module H00 of the hydrogen fuel cell stack clamping fixture of the present invention.

[0020] Figure 4 This is a schematic diagram of the feeding module L00 of the hydrogen fuel cell stack clamping fixture device of the present invention.

[0021] Figure 5 This is a schematic diagram of the side-pushing module B00 of the hydrogen fuel cell stack clamping fixture of the present invention.

[0022] Figure 6 This is a schematic diagram of the structure of the left pin cylinder C00 of the hydrogen fuel cell stack clamping device of the present invention.

[0023] Figure 7 This is a schematic diagram of the right pin cylinder F00 of the hydrogen fuel cell stack clamping device of the present invention.

[0024] Figure 8 This is a schematic diagram of the structure of the left clamping cylinder D00 of the hydrogen fuel cell stack clamping fixture of the present invention.

[0025] Figure 9 This is a schematic diagram of the right clamping cylinder G00 of the hydrogen fuel cell stack clamping fixture of the present invention.

[0026] Figure 10 This is a schematic diagram of the left push module E00 of the hydrogen fuel cell stack clamping fixture of the present invention.

[0027] Figure 11 This is a schematic diagram of the right push module I00 of the hydrogen fuel cell stack clamping fixture of the present invention.

[0028] Figure label: A00 Left Revolving Door Module B00 Side Push Module C00 Left Pin Cylinder D00 Left clamping cylinder E00 Left side push module F00 Right Pin Cylinder G00 Right clamping cylinder H00 Right Revolving Door Module I00 Right side push module L00 Feeding Module A01 Left Hard Limit A02 Left Electromagnet A03 left column A04 Left Column Shaft Fixing Base A05 Left-hand revolving door shaft angular contact bearing with seat A06 Left Limiting Rod A07 Left Position Sensor A08 Left Lock Nut A09 Left Quick Controller H01 Right Hard Limit H02 Right Electromagnet H03 Right Post H04 Right Column Shaft Fixing Seat H05 Right-hand revolving door shaft angular contact bearing with seat H06 Right Limit Rod H07 Right Position Sensor H08 Right Lock Nut H09 Right Quick Handle L01 Upper Charge Stack Bearing Plate L02 Floating Joint L03 Lower Guide Rail Mounting Plate L04 Ball Screw L05 guide rail L06 Servo Motor B01 Mounting Plate B02 Side Thrust Cylinder B03 Side-push servo module B04 Side Push Block B05 Support Column B06 Side Push Limiting Rod C01 Sensing and Limiting Bolt C02 Position Sensor C03 Base Mounting Plate C04 Positioning Pin C05 cylinder F01 Positioning Pin F02 cylinder F03 Limit Bolt F04 Mounting Plate D01 Left brake cylinder with guide rod D02 Left Mounting Plate D03 Left Shaft Fixing Block D04 Left clamping block G01 Right Brake with Guide Rod Cylinder G02 Right Mounting Plate G03 Right Axis Fixing Block G04 Right clamping block E01 pin sleeve E02 Guide Rail Mount E03 Screw Module E04 Servo Motor E05 Positioning Rod E06 Positioning Rod Adjustment Block I01 Pin Sleeve I02 Guide Rail Mount I03 Screw Module I04 servo motor I05 Positioning Rod I06 Positioning Rod Adjustment Block Detailed Implementation

[0029] To more clearly describe the technical content of the present invention, the following description is provided in conjunction with specific embodiments.

[0030] Please see Figures 1-11 As shown, the hydrogen fuel cell stack clamping fixture of the present invention includes a left rotating door module A00, a side pushing module B00, a left pin cylinder C00, a left clamping cylinder D00, a left pushing module E00, a right pin cylinder F00, a right clamping cylinder G00, a right rotating door module H00, a right pushing module I00, and a feeding module L00. The side pushing module B00 is mounted on the base plate. The left rotating door module A00 and the right rotating door module H00 are both mounted on the base plate and located on the left and right sides of the side pushing module B00. The feeding module L00 is mounted on the base plate and located between the left rotating door module A00 and the right rotating door module H00. The left pushing module E00 and the right pushing module I00 are both mounted on the base plate. The left pushing module E00 is located between the side pushing module B00 and the left rotating door module A00, and the right pushing module I00 is located between the side pushing module B00 and the right rotating door module H00.

[0031] In a preferred embodiment of the present invention, the left revolving door module A00 includes a left hard limiter A01, a left electromagnet A02, three left columns A03, a left column shaft fixing seat A04, a left revolving door shaft angular contact bearing A05, a left limit rod A06, a left positioning sensor A07, a left locking nut A08, a left quick handle A09, and a left top plate. The left electromagnet A02 is installed below the left hard limiter A01, the left hard limiter A01 is installed below the left top plate, and the top of one of the left columns A03 is... The left column A03 is installed below the left top plate, with its bottom end mounted on the left revolving door shaft angular contact bearing A05. The left limit rod A06 is installed on the side of the left column A03 of the right column. The left positioning sensor A07 is installed above the left limit rod A06. The left quick handle A09 is installed below the left limit rod A06. The top ends of the other two left columns A03 are installed below the right top plate via the left locking nut A08. The bottom ends of the two left columns A03 are mounted on the right column shaft fixing seat H04.

[0032] In a preferred embodiment of the present invention, the right revolving door module H00 includes a right hard limit H01, a right electromagnet H02, three right columns H03, a right column shaft fixing seat H04, a right revolving door shaft angular contact bearing H05, a right limit rod H06, a right positioning sensor H07, a right locking nut H08, a right quick handle H09, and a right top plate. The right electromagnet H02 is installed below the right hard limit H01, and the right hard limit H01 is installed below the right top plate. The top of one of the right columns H03... The end is mounted below the right top plate, and the bottom end is mounted on the right revolving door shaft angular contact bearing H05. The right limit rod H06 is mounted on the side of one of the right columns H03. The right positioning sensor H07 is mounted above the right limit rod H06. The right quick handle H09 is mounted below the right limit rod H06. The top ends of the other two right columns H03 are mounted below the right top plate through the right locking nut H08. The bottom ends of the two right columns H03 are mounted on the right column shaft fixing seat H04.

[0033] In a preferred embodiment of the present invention, the feeding module L00 includes an upper fuel cell stack support plate L01, a floating joint L02, a lower guide rail mounting plate L03, a ball screw L04, a guide rail L05, and a servo motor L06. The guide rail L05 is mounted on the lower guide rail mounting plate L03, the ball screw L04 is mounted on the lower guide rail mounting plate L03 and located in the middle of the guide rail L05, the floating joint L02 is mounted on the ball screw L04 and moves on the ball screw L04, the upper fuel cell stack support plate L01 is mounted on the guide rail L05 and slides along the guide rail L05, and the servo motor L06 is mounted on the side of the guide rail L05.

[0034] In a preferred embodiment of the present invention, the side-push module B00 includes an upper mounting plate B01, a side-push cylinder B02, a side-push servo module B03, a side-push block B04, and two support columns B05. The two support columns B05 are installed below the upper mounting plate B01, the side-push servo module B03 is installed on the support columns B05, the side-push cylinder B02 is installed on the side-push servo module B03, and the side-push block B04 is installed on the side of the side-push cylinder B02.

[0035] In a preferred embodiment of the present invention, the left pin cylinder C00 includes a sensing and limiting bolt C01, a positioning sensor C02, a base mounting plate C03, a left positioning pin C04, and a left cylinder C05. The cylinder C05 is mounted on the base mounting plate C03, the positioning pin C04 is mounted above the cylinder C05, the sensing and limiting bolt C01 passes through the positioning pin C04, and the positioning sensor C02 is mounted on the base mounting plate C03.

[0036] In a preferred embodiment of the present invention, the right pin cylinder F00 includes a positioning pin F01, a right cylinder F02, a limiting bolt F03, and a right mounting plate F04. The right mounting plate F04 is mounted above the limiting bolt F03, the positioning pin F01 is mounted above the right mounting plate F04, and the limiting bolt F03 is mounted inside the positioning pin F01.

[0037] In a preferred embodiment of the present invention, the left clamping cylinder D00 includes a left brake cylinder with guide rod D01, a left mounting plate D02, a left shaft fixing block D03, and a left clamping block D04. The left mounting plate D02 is mounted on two left shaft fixing blocks D03, the left clamping block D04 is mounted on the left mounting plate D02, and the left brake cylinder with guide rod D01 is mounted in front of the left clamping block D04.

[0038] In a preferred embodiment of the present invention, the right clamping cylinder G00 includes a right brake cylinder with guide rod G01, a right mounting plate G02, a right shaft fixing block G03, and a right clamping block G04. The right mounting plate G02 is mounted on two right shaft fixing blocks G03, the right clamping block G04 is mounted on the right mounting plate G02, and the right brake cylinder with guide rod G01 is mounted in front of the right clamping block G04.

[0039] In a preferred embodiment of the present invention, the left push module E00 includes a left pin sleeve E01, a left guide rail mounting base E02, a left lead screw module E03, a left servo motor E04, a left positioning rod E05, and a left positioning rod adjusting block E06. The left servo motor E04 is mounted on the side of the left lead screw module E03. The left positioning rod adjusting block E06 is mounted on a sliding plate above the left lead screw module E03. The left positioning rod E05 is mounted on the left positioning rod adjusting block E06 and slides on the left lead screw module E03. The left guide rail mounting base E02 is mounted on the left positioning rod E05, and the left pin sleeve E01 is mounted on the side of the left positioning rod E05.

[0040] In a preferred embodiment of the present invention, the right push module I00 includes a right pin sleeve I01, a right guide rail mounting base I02, a right lead screw module I03, a right servo motor I04, a right positioning rod I05, and a right positioning rod adjusting block I06. The right servo motor I04 is mounted on the side of the right lead screw module I03. The right positioning rod adjusting block I06 is mounted on a sliding plate above the right lead screw module I03. The right positioning rod I05 is mounted on the right positioning rod adjusting block I06 and slides on the right lead screw module I03. The right guide rail mounting base I02 is mounted on the right positioning rod I05, and the right pin sleeve I01 is mounted on the side of the right positioning rod I05.

[0041] In a specific embodiment of the present invention, the limiting rods A06 and H06 are moved to the fuel cell stack pressing position, and the two limiting rods of the front door are locked with quick handles A09 and H09, a total of four, one at the top and one at the bottom. The left pin cylinder C00 and the right pin cylinder F00 are extended into position, and the left pressing cylinder D00 and the right pressing cylinder G00 are extended into position to hold the two side limiting rods E05. After each set of small modules is placed, the side push cylinder is used to push and align them.

[0042] The single battery is placed within six limiting rods: positioning rod E05, left limiting rod A06, right limiting rod H06, and side push limiting rod B06. The left and right limiting rods E05 move to the pressing position, the left pressing cylinder D00 and right pressing cylinder G00 extend to their positions, the left pin cylinder C00 and right pin cylinder F00 extend to their positions, the front left rotating door module A00 and right rotating door module H00 rotate to their positions, and the left quick handle A09 and right quick handle H09 lock. The press performs the pressing operation, and the pull rod is manually installed. After installation, the front rotating door opens, the feeding module L00 sends out the battery stack retrieving module to grab the battery stack, and the feeding module retracts. Figure 1 As shown.

[0043] Left revolving door module A00: After the left door rotates to the right hard limit position, the electromagnet engages; after the right door rotates to the left hard limit position, the quick handle is used to fix the position, and the sensor sends a signal after sensing it.

[0044] Right revolving door module H00: After the right door rotates to the right hard limit position, the electromagnet engages. After the right door rotates to the left hard limit position, the quick handle is used to fix the position. The sensor detects this and sends a signal.

[0045] Feeding module L00: After the fuel cell stack is pressed and the pull rod is manually installed, the front left and right rotating doors are manually opened. After the sensor detects the position, the servo motor drives the lead screw to push the fuel cell stack out for the next process inspection.

[0046] Side-push module B00: Each time the robot places a set of small module single batteries, after placing them at the bottom, the side-push servo module moves to the corresponding position, and the side-push cylinder extends to push and align the small modules.

[0047] Left pin cylinder C00: After the left positioning rod moves to the position, the pin cylinder extends, and the limit positioning rod moves.

[0048] Right pin cylinder F00: After the right positioning rod moves to the position, the pin cylinder extends, and the limit positioning rod moves.

[0049] Left clamping cylinder D00: After the positioning rod is in place, the brake is released, the cylinder extends, and after it extends to the end, the brake is released and the positioning rod is fixed.

[0050] Left clamping cylinder G00: After the positioning rod is in place, the brake is released, the cylinder extends, and after it extends to the end, the brake is released and the positioning rod is fixed.

[0051] Left Push Module E00: After the front left and right rotating doors have rotated to their positions, the side push module is servo-pneumatically activated, and the positioning rod moves to its position and stops.

[0052] Right push module I00: After the front left and right rotating doors are rotated into position, the side push module is servo-pneumatically activated, and the positioning rod moves into position and stops.

[0053] For the specific implementation scheme of this embodiment, please refer to the relevant descriptions in the above embodiments, which will not be repeated here.

[0054] It is understood that the same or similar parts in the above embodiments can be referred to each other, and the contents not described in detail in some embodiments can be referred to the same or similar contents in other embodiments.

[0055] It should be noted that in the description of this invention, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Furthermore, in the description of this invention, unless otherwise stated, "a plurality of" means at least two.

[0056] In the description of this specification, references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0057] The hydrogen fuel cell stack clamping fixture of the present invention provides a stable framework for stack press-fitting, shortens stack turnaround time, improves stack press-fitting production efficiency, improves stack press-fitting sealing quality, improves stack press-fitting consistency, and is adaptable to the production of multiple stack models.

[0058] In this specification, the invention has been described with reference to specific embodiments thereof. However, it will be apparent that various modifications and variations can be made without departing from the spirit and scope of the invention. Therefore, the specification and drawings should be considered illustrative rather than restrictive.

Claims

1. A clamping device for a hydrogen fuel cell stack, characterized in that, The device includes a left revolving door module, a side push module, a left pin cylinder, a left clamping cylinder, a left push module, a right pin cylinder, a right clamping cylinder, a right revolving door module, a right push module, and a feeding module. The side push module is mounted on the base plate. The left and right revolving door modules are both mounted on the base plate and located on the left and right sides of the side push module. The feeding module is mounted on the base plate and located between the left and right revolving door modules. The left and right push modules are both mounted on the base plate. The left push module is located between the side push module and the left revolving door module, and the right push module is located between the side push module and the right revolving door module.

2. The hydrogen fuel cell stack clamping device according to claim 1, characterized in that, The left revolving door module includes a left hard limit switch, a left electromagnet, three left columns, a left column shaft fixing seat, a left revolving door shaft angular contact belt bearing, a left limit rod, a left position sensor, a left locking nut, a left quick handle, and a left top plate. The left electromagnet is installed below the left hard limit switch, which is also installed below the left top plate. The top of one of the left columns is installed below the left top plate, and the bottom is installed on the left revolving door shaft angular contact belt bearing. The left limit rod is installed on the side of one of the right columns. The left position sensor is installed above the left limit rod, and the left quick handle is installed below the left limit rod. The tops of the other two left columns are installed below the right top plate via a left locking nut, and the bottoms of the two left columns are installed on the right column shaft fixing seat.

3. The hydrogen fuel cell stack clamping device according to claim 1, characterized in that, The right revolving door module includes a right hard limit switch, a right electromagnet, three right columns, a right column shaft fixing seat, a right revolving door shaft angular contact belt bearing, a right limit rod, a right position sensor, a right locking nut, a right quick handle, and a right top plate. The right electromagnet is installed below the right hard limit switch, and the right hard limit switch is installed below the right top plate. The top end of one of the right columns is installed below the right top plate, and the bottom end is installed on the right revolving door shaft angular contact belt bearing. The right limit rod is installed on the side of the one right column, the right position sensor is installed above the right limit rod, and the right quick handle is installed below the right limit rod. The top ends of the other two right columns are installed below the right top plate via right locking nuts, and the bottom ends of the two right columns are installed on the right column shaft fixing seat.

4. The hydrogen fuel cell stack clamping device according to claim 1, characterized in that, The feeding module includes an upper fuel cell stack support plate, a floating joint, a lower guide rail mounting plate, a ball screw, a guide rail, and a servo motor. The guide rail is mounted on the lower guide rail mounting plate, the ball screw is mounted on the lower guide rail mounting plate and located in the middle of the guide rail, the floating joint is mounted on the ball screw and moves on the ball screw, the upper fuel cell stack support plate is mounted on the guide rail and slides along the guide rail, and the servo motor is mounted on the side of the guide rail.

5. The hydrogen fuel cell stack clamping device according to claim 1, characterized in that, The side-push module includes an upper mounting plate, a side-push cylinder, a side-push servo module, a side-push block, and two support columns. The two support columns are installed below the upper mounting plate, the side-push servo module is installed on the support columns, the side-push cylinder is installed on the side-push servo module, and the side-push block is installed on the side of the side-push cylinder.

6. The hydrogen fuel cell stack clamping device according to claim 1, characterized in that, The left pin cylinder includes a sensing and limiting bolt, a positioning sensor, a base mounting plate, a left positioning pin, and a left cylinder. The cylinder is mounted on the base mounting plate, the positioning pin is mounted above the cylinder, the sensing and limiting bolt passes through the positioning pin, and the positioning sensor is mounted on the base mounting plate.

7. The hydrogen fuel cell stack clamping device according to claim 1, characterized in that, The right pin cylinder includes a positioning pin, a right cylinder, a limit bolt, and a right mounting plate. The right mounting plate is mounted above the limit bolt, the positioning pin is mounted above the right mounting plate, and the limit bolt is mounted inside the positioning pin.

8. The hydrogen fuel cell stack clamping device according to claim 1, characterized in that, The left clamping cylinder includes a left brake cylinder with guide rod, a left mounting plate, a left shaft fixing block, and a left clamping block. The left mounting plate is mounted on two left shaft fixing blocks, the left clamping block is mounted on the left mounting plate, and the left brake cylinder with guide rod is mounted in front of the left clamping block.

9. The hydrogen fuel cell stack clamping device according to claim 1, characterized in that, The right clamping cylinder includes a right brake cylinder with guide rod, a right mounting plate, a right shaft fixing block, and a right clamping block. The right mounting plate is mounted on two right shaft fixing blocks, the right clamping block is mounted on the right mounting plate, and the right brake cylinder with guide rod is mounted in front of the right clamping block.

10. The hydrogen fuel cell stack clamping device according to claim 1, characterized in that, The left push module includes a left pin sleeve, a left guide rail mounting base, a left lead screw module, a left servo motor, a left positioning rod, and a left positioning rod adjusting block. The left servo motor is mounted on the side of the left lead screw module. The left positioning rod adjusting block is mounted on a sliding plate above the left lead screw module. The left positioning rod is mounted on the left positioning rod adjusting block and slides on the left lead screw module. The left guide rail mounting base is mounted on the left positioning rod, and the left pin sleeve is mounted on the side of the left positioning rod.

11. The hydrogen fuel cell stack clamping device according to claim 1, characterized in that, The right push module assembly includes a right pin sleeve, a right guide rail mounting base, a right lead screw module, a right servo motor, a right positioning rod, and a right positioning rod adjusting block. The right servo motor is mounted on the side of the right lead screw module. The right positioning rod adjusting block is mounted on a sliding plate above the right lead screw module. The right positioning rod is mounted on the right positioning rod adjusting block and slides on the right lead screw module. The right guide rail mounting base is mounted on the right positioning rod, and the right pin sleeve is mounted on the side of the right positioning rod.