Vibration test tool for fuel cell

Abstract

A vibration test tool of a fuel cell is used for being arranged on a test bench and comprises a front fixing assembly, a rear fixing assembly and a test connecting assembly. The rear fixing assembly comprises a rear bottom plate and a rear vertical part; the front fixing assembly comprises a front bottom plate and a front vertical part, and the front vertical part is provided with a front through hole; the test connection assembly comprises an adapter plate, a cooling liquid pipe, an oxygen pipe and a hydrogen pipe, the adapter plate is arranged in the front through hole, the adapter plate is provided with a test cooling liquid hole, a test oxygen hole and a test hydrogen hole, the test cooling liquid hole is communicated with the battery cooling liquid hole, the test oxygen hole is communicated with the battery oxygen hole, and the test hydrogen hole is communicated with the battery hydrogen hole; the cooling liquid pipe, the oxygen pipe and the hydrogen pipe are all arranged in front of the adapter plate and are respectively communicated with the test cooling liquid hole, the test oxygen hole and the test hydrogen hole; the device can accurately simulate actual working conditions and accurately detect the stability of the fuel cell.

Description

Technical Field

[0001] The utility model relates to the technical field of battery testing, in particular to a vibration test tooling for a fuel cell. Background Art

[0002] At present, when a fuel cell works on a vehicle, it will be affected by various factors such as various impacts, vibrations and its own gravity. The bipolar plates and membrane electrodes that make up the stack core of the fuel cell may be displaced, resulting in failures of the fuel cell stack. Therefore, in the research and development process of fuel cells, vibration tests must be carried out on fuel cells to detect their stability.

[0003] Existing vibration test toolings usually fix the fuel cell and then vibrate the fuel cell. However, in actual working conditions, the fuel cell is respectively connected to a coolant pipe, a hydrogen pipe and an oxygen pipe to carry out reactions. Vibration may affect the various structures involved in the reaction, resulting in failures such as dislocation. Therefore, the vibration test of this tooling cannot simulate the actual working conditions and cannot accurately detect the stability of the fuel cell. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a vibration test tooling for a fuel cell, so as to solve the technical problem that the existing vibration test tooling for a fuel cell cannot accurately simulate the actual working conditions and accurately detect the stability of the fuel cell.

[0005] To achieve the above purpose, the utility model provides a vibration test tooling for a fuel cell, which is used to be arranged on a test bench. The front end face of the fuel cell is provided with a battery coolant hole, a battery oxygen hole and a battery hydrogen hole;

[0006] The vibration test tooling includes a front fixing component, a rear fixing component and a test connection component;

[0007] The rear fixing component includes a rear bottom plate arranged on the top surface of the test bench and a rear vertical part arranged on the top surface of the rear bottom plate. The front surface of the rear vertical part is used to be connected to the rear end face of the fuel cell;

[0008] The front fixing component includes a front bottom plate arranged on the top surface of the test bench and a front vertical part arranged on the top surface of the front bottom plate. The rear surface of the front vertical part is used to be connected to the fuel cell, and the front vertical part is provided with a front through hole penetrating from its front surface to the rear surface;

[0009] The test connection assembly includes an adapter plate, a coolant pipe, an oxygen pipe, and a hydrogen pipe. The adapter plate is disposed in the front through-hole. The rear surface of the adapter plate is used to connect to the front end face of the fuel cell and is used to block the battery coolant hole, the battery oxygen hole, and the battery hydrogen hole. The adapter plate is provided with a test coolant hole, a test oxygen hole, and a test hydrogen hole that penetrate from its front surface to the rear surface. The test coolant hole communicates with the battery coolant hole, the test oxygen hole communicates with the battery oxygen hole, and the test hydrogen hole communicates with the battery hydrogen hole. The coolant pipe, the oxygen pipe, and the hydrogen pipe are all disposed on the front surface of the adapter plate. The coolant pipe communicates with the test coolant hole, the oxygen pipe communicates with the test oxygen hole, and the hydrogen pipe communicates with the test hydrogen hole.

[0010] Optionally, the front end face of the fuel cell is provided with two battery coolant holes, two battery oxygen holes, and two battery hydrogen holes. One battery coolant hole, one battery oxygen hole, and one battery hydrogen hole form a set of communication holes. The battery oxygen hole and the battery hydrogen hole are both adjacent to the battery coolant hole. The two sets of communication holes are arranged at intervals in the first direction. The vibration test tooling includes two of the test connection assemblies, and one test connection assembly corresponds to one set of communication holes.

[0011] Optionally, in one set of the communication holes, the battery oxygen hole, the battery coolant hole, and the battery hydrogen hole are arranged in sequence from top to bottom, and in the other set of the communication holes, the battery hydrogen hole, the battery coolant hole, and the battery oxygen hole are arranged in sequence from top to bottom.

[0012] Optionally, the test connection assembly further includes a pipe connection flange disposed on the front surface of the adapter plate. The pipe connection flange is located in the front through-hole. The pipe connection flange is provided with a transition coolant hole, a transition oxygen hole, and a transition hydrogen hole that penetrate from its front surface to the rear surface. The transition coolant hole communicates with the test coolant hole, the transition oxygen hole communicates with the test oxygen hole, and the transition hydrogen hole communicates with the transition hydrogen hole. The coolant pipe is inserted into the transition coolant hole, the oxygen pipe is inserted into the transition oxygen hole, and the hydrogen pipe is inserted into the transition hydrogen hole.

[0013] Optionally, the front vertical portion includes a first front vertical plate disposed on the top surface of the front bottom plate and a second front vertical plate disposed behind the first front vertical plate. The rear surface of the second front vertical plate is used to connect to the fuel cell. The front through-hole includes a first front hole disposed on the first front vertical plate and a second front hole disposed on the second front vertical plate. The first front hole penetrates from the front surface to the rear surface of the first front vertical plate, and the second front hole penetrates from the front surface to the rear surface of the second front vertical plate;

[0014] The adapter plate is located in the second front hole, the pipe connecting flange is located in the first front hole, the first front hole and the pipe connecting flange are matched, and the second front hole and the adapter plate are matched.

[0015] Optionally, the front fixing assembly further includes a plurality of rib plates. The plurality of rib plates are arranged at intervals along the first direction on the top surface of the front bottom plate and are all located in front of the front vertical part. The bottom surface of the rib plate is connected to the front bottom plate, and the rear surface of the rib plate is connected to the front surface of the front vertical part.

[0016] Optionally, the rear fixing assembly further includes a first rear bolt. The test bench is provided with a plurality of bench holes, and the rear bottom plate is provided with a first rear bottom hole penetrating from its top surface to the bottom surface. The bench holes and / or the first rear bottom holes are long holes extending along the second direction. The first rear bolt passes through the bench holes and the first rear bottom hole to connect the test bench and the rear bottom plate.

[0017] Optionally, the rear fixing assembly further includes a plurality of fixing nuts and a plurality of second rear bolts. The bottom surface of the rear bottom plate is provided with a mounting groove extending along the first direction, and the rear bottom plate is provided with a plurality of second rear bottom holes penetrating from its top surface to the mounting groove. The fixing nuts are arranged at the bottom of the mounting groove corresponding to the second rear bottom holes one by one;

[0018] The rear surface of the rear vertical part is provided with a plurality of connecting parts. The connecting parts are provided with connecting holes penetrating from their top surfaces to the bottom surfaces. The connecting holes correspond to the second rear bottom holes one by one. The second rear bolts pass through the connecting holes, the second rear bottom holes and the fixing nuts to connect the connecting parts and the rear bottom plate.

[0019] Optionally, the connecting part includes a vertical plate extending vertically and a horizontal plate extending horizontally that are connected to each other. The vertical plate is arranged on the top surface of the horizontal plate. The connecting hole is arranged on the horizontal plate. The front surface of the vertical plate is connected to the rear surface of the rear vertical part.

[0020] Optionally, the connecting hole is a long hole extending along the second direction.

[0021] Compared with the prior art, the vibration test tooling for a fuel cell according to an embodiment of the present invention has the beneficial effects that:

[0022] In the present utility model, the rear fixing component is disposed on the test bench for fixedly connecting to the rear end face of the fuel cell. The front bottom plate of the front fixing component is disposed on the test bench, and the front vertical part is disposed on the front bottom plate. The rear surface thereof is used for fixedly connecting to the front end face of the fuel cell, and a front through hole penetrating from its front surface to the rear surface is opened. The adapter plate is disposed in the front through hole, and the rear surface thereof is used for connecting to the front end face of the fuel cell. The adapter plate blocks the battery coolant hole, the battery oxygen hole, and the battery hydrogen hole, and is provided with a test coolant hole, a test oxygen hole, and a test hydrogen hole respectively communicating with the battery coolant hole, the battery oxygen hole, and the battery hydrogen hole, so as to transfer the battery coolant hole, the battery oxygen hole, and the battery hydrogen hole into test coolant holes, test oxygen holes, and test hydrogen holes with specific specifications to adapt to fuel cells provided with battery coolant holes, battery oxygen holes, and battery hydrogen holes of various specifications. Then, the coolant pipe, the oxygen pipe, and the hydrogen pipe are disposed on the front surface of the adapter plate and respectively and correspondingly communicated with the corresponding test holes, so as to convey water, hydrogen, and oxygen into the fuel cell while fixing the fuel cell on the test bench, enabling the fuel cell to operate normally while undergoing a vibration test, so as to accurately detect the stability of the fuel cell. Description of the Drawings

[0023] Figure 1 is a schematic structural view of the present utility model Figure 1 。

[0024] Figure 2 is a schematic structural view of the present utility model Figure 2 。

[0025] Figure 3 is a partial exploded view of the present utility model ignoring the test bench.

[0026] Reference Numerals: 1, test bench; 2, front fixing component; 21, front bottom plate; 22, front vertical part; 221, first front vertical plate; 222, second front vertical plate; 23, rib plate; 24, front through hole; 241, first front hole; 242, second front hole; 3, rear fixing component; 31, rear bottom plate; 311, mounting groove; 32, rear vertical part; 33, connecting part; 4, test connection component; 41, adapter plate; 411, test coolant hole; 412, test oxygen hole; 413, test hydrogen hole; 42, coolant pipe; 43, oxygen pipe; 44, hydrogen pipe; 45, pipe connection flange; 5, fuel cell; 51, battery coolant hole; 52, battery oxygen hole; 53, battery hydrogen hole. Detailed Embodiments

[0027] The following combines the drawings and embodiments to further describe in detail the specific embodiments of the present utility model. The following embodiments are used to illustrate the present utility model, but are not used to limit the scope of the present utility model.

[0028] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "top", "bottom", "inside", "outside", "circumferential direction", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model.

[0029] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0030] As Figures 1 to 3 shown, a vibration test tooling for a fuel cell of the present utility model is used to be arranged on a test bench 1. The front end face of the fuel cell 5 is provided with a battery coolant hole 51, a battery oxygen hole 52, and a battery hydrogen hole 53. The vibration test tooling includes a front fixing component 2, a rear fixing component 3, and a test connection component 4. The rear fixing component 3 includes a rear bottom plate 31 arranged on the top surface of the test bench 1 and a rear vertical part 32 arranged on the top surface of the rear bottom plate 31. The front surface of the rear vertical part 32 is used to be connected to the rear end face of the fuel cell 5. The front fixing component 2 includes a front bottom plate 21 arranged on the top surface of the test bench 1 and a front vertical part 22 arranged on the top surface of the front bottom plate 21. The rear surface of the front vertical part 22 is used to be connected to the fuel cell 5, and the front vertical part 22 is provided with a front through hole 24 penetrating from its front surface to the rear surface. The test connection component 4 includes an adapter plate 41, a coolant pipe 42, an oxygen pipe 43, and a hydrogen pipe 44. The adapter plate 41 is arranged in the front through hole 24. The rear surface of the adapter plate 41 is used to be connected to the front end face of the fuel cell 5 and is used to block the battery coolant hole 51, the battery oxygen hole 52, and the battery hydrogen hole 53. The adapter plate 41 is provided with a test coolant hole 411, a test oxygen hole 412, and a test hydrogen hole 413 penetrating from its front surface to the rear surface. The test coolant hole 411 communicates with the battery coolant hole 51, the test oxygen hole 412 communicates with the battery oxygen hole 52, and the test hydrogen hole 413 communicates with the battery hydrogen hole 53. The coolant pipe 42, the oxygen pipe 43, and the hydrogen pipe 44 are all arranged on the front surface of the adapter plate 41. The coolant pipe 42 communicates with the test coolant hole 411, the oxygen pipe 43 communicates with the test oxygen hole 412, and the hydrogen pipe 44 communicates with the test hydrogen hole 413.

[0031] In the above technical solution, the rear bottom plate 31 is fixedly arranged on the test bench 1 to carry and connect the rear vertical part 32, and the rear vertical part 32 is used to fixedly connect the rear end face of the fuel cell 5; the front bottom plate 21 is fixedly arranged on the test bench 1 to carry and connect the front vertical part 22, and the front vertical part 22 is used to fixedly connect the front end face of the fuel cell 5. In summary, the fuel cell 5 is fixed above the test bench 1; further, since the specifications of the battery coolant holes 51, battery oxygen holes 52, and battery hydrogen holes 53 of various fuel cells 5 are different, in order to adapt to the battery coolant holes 51, battery oxygen holes 52, and battery hydrogen holes 53 on the front end face of various fuel cells 5, the adapter plate 41 is arranged in the front through hole 24 of the front vertical part 22 to block the battery coolant holes 51, battery oxygen holes 52, and battery hydrogen holes 53 of the fuel cell 5, and is provided with a test coolant hole 411, a test oxygen hole 412, and a test hydrogen hole 413 that are respectively communicated with the battery coolant hole 51, battery oxygen hole 52, and battery hydrogen hole 53, so as to transfer the battery coolant hole 51, battery oxygen hole 52, and battery hydrogen hole 53 into test coolant holes 411, test oxygen holes 412, and test hydrogen holes 413 with specific specifications to adapt to the fuel cell 5 provided with battery coolant holes 51, battery oxygen holes 52, and battery hydrogen holes 53 of various specifications. Then, the coolant pipe 42, the oxygen pipe 43, and the hydrogen pipe 44 are arranged in front of the adapter plate 41 and are respectively and correspondingly communicated with the corresponding test holes, so as to convey water, hydrogen, and oxygen into the fuel cell 5 while fixing the fuel cell 5 on the test bench 1, enabling the fuel cell 5 to operate normally while undergoing the vibration test, so as to accurately detect the stability of the fuel cell 5.

[0032] Further, the specific setting structure of the battery coolant holes 51, battery oxygen holes 52, and battery hydrogen holes 53 on the fuel cell 5 is as follows: two battery coolant holes 51, two battery oxygen holes 52, and two battery hydrogen holes 53 are provided on the front end face of the fuel cell 5. One battery coolant hole 51, one battery oxygen hole 52, and one battery hydrogen hole 53 form a set of communication holes. The battery oxygen hole 52 and the battery hydrogen hole 53 are both adjacent to the battery coolant hole 51. The two sets of communication holes are arranged at intervals in the first direction. The vibration test tooling includes two test connection components 4, and one test connection component 4 corresponds to one set of communication holes; further, in one set of communication holes, the battery oxygen hole 52, the battery coolant hole 51, and the battery hydrogen hole 53 are arranged in sequence from top to bottom, and in the other set of communication holes, the battery hydrogen hole 53, the battery coolant hole 51, and the battery oxygen hole 52 are arranged in sequence from top to bottom. Among them, the battery coolant holes 51 are both located in the middle. One of the battery coolant holes 51 is used for water inlet, and the other battery coolant hole 51 is used for water outlet for cooling.

[0033] Further, the test connection component 4 further includes a pipe connection flange 45 disposed in front of the adapter plate 41. The pipe connection flange 45 is located within the front through hole 24. The pipe connection flange 45 is provided with a transition coolant hole, a transition oxygen hole, and a transition hydrogen hole that penetrate from its front to its rear. The transition coolant hole communicates with the test coolant hole 411, the transition oxygen hole communicates with the test oxygen hole 412, and the transition hydrogen hole communicates with the transition hydrogen hole. The coolant pipe 42 is inserted into the transition coolant hole, the oxygen pipe 43 is inserted into the transition oxygen hole, and the hydrogen pipe 44 is inserted into the transition hydrogen hole, such that each pipe can be first installed onto the pipe connection flange 45 and then the pipe connection flange 45 can be installed onto the adapter plate 41, facilitating the installation and removal of each pipe.

[0034] Further, the front vertical portion 22 includes a first front vertical plate 221 disposed on the top surface of the front bottom plate 21 and a second front vertical plate 222 disposed behind the first front vertical plate 221. The rear surface of the second front vertical plate 222 is used for connecting to the fuel cell 5. The front through hole 24 includes a first front hole 241 disposed in the first front vertical plate 221 and a second front hole 242 disposed in the second front vertical plate 222. The first front hole 241 penetrates from the front to the rear of the first front vertical plate 221, and the second front hole 242 penetrates from the front to the rear of the second front vertical plate 222, such that the front through hole 24 is a stepped hole, so that the first front vertical plate 221 does not need to be provided with a large hole to significantly reduce its strength. The adapter plate 41 is located within the second front hole 242, the pipe connection flange 45 is located within the first front hole 241, the first front hole 241 and the pipe connection flange 45 are matched, and the second front hole 242 and the adapter plate 41 are matched, where "matched" means that their shapes and dimensions are similar. Additionally, the front bottom plate 21 and the first front vertical plate 221 can be connected by welding.

[0035] Further, the front fixing component 2 further includes a plurality of rib plates 23. The plurality of rib plates 23 are spaced along a first direction on the top surface of the front bottom plate 21 and are all located in front of the front vertical portion 22. The bottom surface of the rib plate 23 is connected to the front bottom plate 21, and the rear surface of the rib plate 23 is connected to the front surface of the front vertical portion 22 to enhance the connection strength between the front bottom plate 21 and the front vertical portion 22. Specifically, the rib plates 23 can be provided on both sides of the second front hole 242 along the first direction, and the rib plates 23 can be connected to the front vertical portion 22 and the front bottom plate 21 by welding.

[0036] Further, the rear fixing assembly 3 further includes a first rear bolt. The test bench 1 is provided with a plurality of bench holes, and the rear bottom plate 31 is provided with a first rear bottom hole penetrating from its top surface to the bottom surface. The bench holes and / or the first rear bottom hole are long holes extending in the second direction. The first rear bolt passes through the bench holes and the first rear bottom hole to connect the test bench 1 and the rear bottom plate 31, so that the rear fixing assembly 3 can adjust its position in the second direction to adapt to fuel cells 5 of various lengths.

[0037] Further, the rear fixing assembly 3 further includes a plurality of fixing nuts and a plurality of second rear bolts. The bottom surface of the rear bottom plate 31 is provided with a mounting groove 311 extending in the first direction. The rear bottom plate 31 is provided with a plurality of second rear bottom holes penetrating from its top surface to the mounting groove 311. The fixing nuts are arranged at the bottom of the mounting groove 311 corresponding to the second rear bottom holes one by one; the rear vertical part 32 is provided with a plurality of connecting parts 33 at the back. The connecting parts 33 are provided with connecting holes penetrating from their top surfaces to the bottom surfaces. The connecting holes correspond to the second rear bottom holes one by one. The second rear bolts pass through the connecting holes, the second rear bottom holes and the fixing nuts to connect the connecting parts 33 and the rear bottom plate 31, so that the second rear bolts only need to pass through the connecting parts 33 and the rear bottom plate 31 to connect the rear vertical part 32 and the rear bottom plate 31, without passing through the test bench 1, which facilitates the disassembly and assembly of the rear vertical part 32 and the rear bottom plate 31.

[0038] Further, the specific structure of the connecting part 33 is that the connecting part 33 includes a vertical plate extending vertically and a horizontal plate extending horizontally which are connected to each other. The vertical plate is arranged on the top surface of the horizontal plate. The connecting hole is arranged on the horizontal plate. The front surface of the vertical plate is connected to the back surface of the rear vertical part 32. Among them, the cross-section of the connecting part 33 in the first direction is L-shaped.

[0039] Further, the connecting hole is a long hole extending in the second direction to facilitate the adjustment of the position of the rear vertical part 32 in the second direction to adapt to fuel cells 5 of various length specifications.

[0040] Further, the specific connection methods of fixed setting and fixed connection refer to the relative position relationship that can fix two connected components, including fixing through a connecting piece, fixing through welding, fixing through an adhesive, fixing through integral molding, and fixing through snap connection.

[0041] Further, the connecting pieces include fasteners, straps, binding ropes, pneumatic connection elements, hydraulic connection elements, flange plates, magic tapes, buttons.

[0042] In summary, the embodiment of the present utility model provides a vibration test tooling for a fuel cell, and its technical effects are as follows:

[0043] In the present utility model, the rear fixing assembly 3 is arranged on the test bench 1 for fixedly connecting to the rear end face of the fuel cell 5. The front bottom plate 21 of the front fixing assembly 2 is arranged on the test bench 1, and the front vertical portion 22 is arranged on the front bottom plate 21. The rear surface thereof is used for fixedly connecting to the front end face of the fuel cell 5, and a front through hole 24 penetrating from its front surface to the rear surface is opened. The adapter plate 41 is arranged in the front through hole 24, and the rear surface thereof is used for connecting to the front end face of the fuel cell 5. The adapter plate 41 seals the battery coolant hole 51, the battery oxygen hole 52 and the battery hydrogen hole 53, and is provided with a test coolant hole 411, a test oxygen hole 412 and a test hydrogen hole 413 which are respectively communicated with the battery coolant hole 51, the battery oxygen hole 52 and the battery hydrogen hole 53, so as to transfer the battery coolant hole 51, the battery oxygen hole 52 and the battery hydrogen hole 53 into test coolant holes 411, test oxygen holes 412 and test hydrogen holes 413 with specific specifications to adapt to the fuel cell 5 provided with battery coolant holes 51, battery oxygen holes 52 and battery hydrogen holes 53 of various specifications. Then, the coolant pipe 42, the oxygen pipe 43 and the hydrogen pipe 44 are arranged on the front surface of the adapter plate 41 and are respectively and correspondingly communicated with the corresponding test holes, so as to convey water, hydrogen and oxygen into the fuel cell 5 while fixing the fuel cell 5 on the test bench 1, enabling the fuel cell 5 to operate normally while undergoing a vibration test, and accurately detecting the stability of the fuel cell 5.

[0044] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, several improvements and substitutions can be made without departing from the technical principle of the present utility model, and these improvements and substitutions should also be regarded as the protection scope of the present utility model.

Claims

1. A vibration test tooling for a fuel cell, which is used to be arranged on a test bench (1). The front end face of the fuel cell (5) is provided with a battery coolant hole (51), a battery oxygen hole (52) and a battery hydrogen hole (53). Characterized in that, It includes a front fixing component (2), a rear fixing component (3) and a test connection component (4). The rear fixing component (3) includes a rear bottom plate (31) arranged on the top surface of the test bench (1) and a rear vertical part (32) arranged on the top surface of the rear bottom plate (31). The front surface of the rear vertical part (32) is used to connect to the rear end face of the fuel cell (5). The front fixing component (2) includes a front bottom plate (21) arranged on the top surface of the test bench (1) and a front vertical part (22) arranged on the top surface of the front bottom plate (21). The rear surface of the front vertical part (22) is used to connect to the fuel cell (5). The front vertical part (22) is provided with a front through hole (24) that penetrates from its front surface to the rear surface. The test connection component (4) includes an adapter plate (41), a coolant pipe (42), an oxygen pipe (43) and a hydrogen pipe (44). The adapter plate (41) is arranged in the front through hole (24). The rear surface of the adapter plate (41) is used to connect to the front end face of the fuel cell (5) and is used to block the battery coolant hole (51), the battery oxygen hole (52) and the battery hydrogen hole (53). The adapter plate (41) is provided with a test coolant hole (411), a test oxygen hole (412) and a test hydrogen hole (413) that penetrate from its front surface to the rear surface. The test coolant hole (411) communicates with the battery coolant hole (51), the test oxygen hole (412) communicates with the battery oxygen hole (52), and the test hydrogen hole (413) communicates with the battery hydrogen hole (53). The coolant pipe (42), the oxygen pipe (43) and the hydrogen pipe (44) are all arranged on the front surface of the adapter plate (41). The coolant pipe (42) communicates with the test coolant hole (411), the oxygen pipe (43) communicates with the test oxygen hole (412), and the hydrogen pipe (44) communicates with the test hydrogen hole (413).

2. The vibration test tooling for the fuel cell according to claim 1, characterized in that, The front end face of the fuel cell (5) is provided with two battery coolant holes (51), two battery oxygen holes (52) and two battery hydrogen holes (53). One battery coolant hole (51), one battery oxygen hole (52) and one battery hydrogen hole (53) form a group of communication holes. The battery oxygen hole (52) and the battery hydrogen hole (53) are both adjacent to the battery coolant hole (51). The two groups of communication holes are arranged at intervals along the first direction. The vibration test tooling includes two of the test connection components (4), and one test connection component (4) corresponds to one group of communication holes one by one.

3. The vibration test tooling for a fuel cell according to claim 2, wherein, One set of the communication holes are successively provided with a battery oxygen hole (52), a battery coolant hole (51), and a battery hydrogen hole (53) from top to bottom, and the other set of the communication holes are successively provided with a battery hydrogen hole (53), a battery coolant hole (51), and a battery oxygen hole (52) from top to bottom.

4. The vibration test tooling for a fuel cell according to claim 1, wherein The test connection assembly (4) further includes a pipe connection flange (45) provided in front of the adapter plate (41). The pipe connection flange (45) is located in the front through hole (24). The pipe connection flange (45) is provided with a transition coolant hole, a transition oxygen hole, and a transition hydrogen hole that penetrate from its front to its rear. The transition coolant hole communicates with the test coolant hole (411), the transition oxygen hole communicates with the test oxygen hole (412), and the transition hydrogen hole communicates with the transition hydrogen hole. The coolant pipe (42) is inserted into the transition coolant hole, the oxygen pipe (43) is inserted into the transition oxygen hole, and the hydrogen pipe (44) is inserted into the transition hydrogen hole.

5. The vibration test tooling for a fuel cell according to claim 4, characterized in that, The front vertical portion (22) includes a first front vertical plate (221) provided on the top surface of the front bottom plate (21) and a second front vertical plate (222) provided behind the first front vertical plate (221). The rear surface of the second front vertical plate (222) is used to connect to the fuel cell (5). The front through hole (24) includes a first front hole (241) provided in the first front vertical plate (221) and a second front hole (242) provided in the second front vertical plate (222). The first front hole (241) penetrates from the front to the rear of the first front vertical plate (221), and the second front hole (242) penetrates from the front to the rear of the second front vertical plate (222). The adapter plate (41) is located in the second front hole (242), the pipe connection flange (45) is located in the first front hole (241), the first front hole (241) and the pipe connection flange (45) are matched, and the second front hole (242) and the adapter plate (41) are matched.

6. The vibration test tooling for a fuel cell according to claim 1, characterized in that, The front fixing assembly (2) further includes a plurality of rib plates (23). The plurality of rib plates (23) are spaced along a first direction on the top surface of the front bottom plate (21) and are all located in front of the front vertical portion (22). The bottom surface of the rib plate (23) is connected to the front bottom plate (21), and the rear surface of the rib plate (23) is connected to the front surface of the front vertical portion (22).

7. The vibration test tooling for a fuel cell according to claim 1, wherein The rear fixing assembly (3) further includes a first rear bolt. The test bench (1) is provided with a plurality of bench holes, and the rear bottom plate (31) is provided with a first rear bottom hole that penetrates from its top surface to its bottom surface. The bench holes and / or the first rear bottom hole are long holes extending in a second direction. The first rear bolt passes through the bench holes and the first rear bottom hole to connect the test bench (1) and the rear bottom plate (31).

8. The vibration test tooling for a fuel cell according to claim 1, wherein, The rear fixing component (3) further includes a plurality of fixing nuts and a plurality of second rear bolts. The bottom surface of the rear bottom plate (31) is provided with an installation groove (311) extending in the first direction. The rear bottom plate (31) is provided with a plurality of second rear bottom holes penetrating from its top surface to the installation groove (311). The fixing nuts are arranged at the bottom of the installation groove (311) corresponding to the second rear bottom holes one by one. A plurality of connecting parts (33) are provided on the rear surface of the rear vertical part (32). The connecting parts (33) are provided with connecting holes penetrating from their top surfaces to the bottom surfaces. The connecting holes correspond to the second rear bottom holes one by one. The second rear bolts pass through the connecting holes, the second rear bottom holes and the fixing nuts to connect the connecting parts (33) and the rear bottom plate (31).

9. The vibration test tooling for a fuel cell according to claim 8, characterized in that, The connecting part (33) includes a vertical plate extending vertically and a horizontal plate extending horizontally which are connected to each other. The vertical plate is arranged on the top surface of the horizontal plate. The connecting hole is arranged on the horizontal plate. The front surface of the vertical plate is connected to the rear surface of the rear vertical part (32).

10. The vibration test tooling for a fuel cell according to claim 8, characterized in that, The connecting hole is an elongated hole extending in the second direction.

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