Shock resistance detection equipment for sodium battery experiment

Abstract

The invention discloses impact resistance detection equipment for a sodium battery experiment, and the equipment comprises a housing, a fixed assembly, a rotating assembly, a transmission unit, an extrusion unit, and a driving unit. The fixing assembly is arranged in the middle of the inner top wall of the shell, the rotating assembly is arranged on the inner bottom wall of the shell, a plurality of transmission units are arranged on the top of the rotating assembly, a plurality of extrusion units corresponding to the transmission units are arranged in the middle of the rotating assembly, and the driving unit is arranged in the rotating assembly. The rotating assembly drives one of the transmission units to rotate to the output end of the fixing assembly, then stamping of the sodium battery is achieved through the extrusion units, the driving unit drives the rotating assembly unit to rotate, and sequential stamping detection of the multiple extrusion units is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of battery testing equipment, and in particular to an anti-impact testing device and a hair dryer for sodium battery experiments. Background Art

[0002] In order to simulate the situation when the battery pack is squeezed and deformed after a car collision, the battery pack needs to be placed on the squeeze test bench and then squeezed by driving the squeeze block. When the battery pack is deformed during the squeeze, there is a probability that it will suddenly burn and explode.

[0003] However, the existing extrusion test bench is generally connected to the air, so that the air can support the entire process of complete combustion of the battery, and the dust generated after the battery pack burns will spread throughout the extrusion test bench, making it difficult to clean later; at the same time, the complete combustion of the battery pack will cause irreversible damage to the extrusion test bench, and the service life of the device will be short.

[0004] Therefore, it is proposed to propose an extrusion test device for a battery pack extrusion test bench that can reduce the damage of the extrusion test bench. Summary of the invention

[0005] The purpose of the present invention is to provide a sodium battery experimental impact resistance testing device to solve the technical problem of the existing battery pack being exposed to the air during testing.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] An impact resistance testing device for sodium battery experiments comprises a shell, a fixed component, a rotating component, a transmission unit, an extrusion unit and a driving unit; the fixed component is arranged at the middle of the top wall of the shell, the rotating component is arranged at the bottom wall of the shell, a plurality of groups of transmission units are arranged at the top of the rotating component, a plurality of groups of extrusion units corresponding to the transmission units are arranged in the middle of the rotating component, the driving unit is arranged inside the rotating component, the rotating component drives one of the transmission units to rotate to the output end of the fixed component, and then the sodium battery is punched by the extrusion unit, and the driving unit drives the rotating component unit to rotate, so as to realize the sequential punching detection of a plurality of extrusion units.

[0008] Furthermore, the rotating assembly includes a central axis, a separator, a sealing plate, a connecting hole, a buffer pad and a driving cavity; the central axis is arranged in the middle of the shell, the driving cavity is opened at the bottom of the central axis, the central axis is rotatably connected to the shell through the limiting groove, the sealing plate is fixedly connected to the top of the shell side wall, the top of the sealing plate is flush with the top of the central axis, the central axis side wall is also fixedly connected to a plurality of the separators distributed in a circular array along the axis of the central axis, the horizontal section of the end of the separator away from the central axis is provided with a semicircular end, the semicircular end of the separator is movably engaged with the inner wall of the shell, the connecting hole is opened in the middle of the adjacent separators corresponding to the top of the sealing plate, the top of the connecting hole is connected to the transmission unit, and the bottom of the connecting hole is connected to the extrusion unit; the buffer pads are connected between the bottoms of adjacent separators; adjacent separators, the buffer pads, the shells corresponding to adjacent separators and the sealing plates corresponding to the buffer pads together constitute a stamping detection cavity.

[0009] Furthermore, the explosion-proof glass is opened on the outside of the shell, and the explosion-proof glass is opened corresponding to one of the stamping detection cavities. A sealing strip is rotatably connected to the inner wall of one side of the explosion-proof glass, and the sealing strip movably seals the explosion-proof glass. A sealing strip is also arranged between the sealing strip and the explosion-proof glass.

[0010] Furthermore, the fixing assembly includes a fixing seat and an electric push rod; the fixing seat is fixedly installed in the middle of the inner top wall of the shell, and the electric push rod is fixedly connected to one end of the fixing seat corresponding to the explosion-proof glass, and the electric push rod movably abuts against the transmission unit.

[0011] Further, the transmission unit includes a transmission chamber, a transmission block, a blocking plate and an extension spring; the transmission chamber is fixedly installed on the top of the sealing plate, and an opening is provided at one end of the transmission chamber close to the central axis, the transmission block is slidably connected in the transmission chamber, the end of the transmission block away from the transmission chamber is connected to the blocking plate, the blocking plate movably closes the opening of the transmission chamber, and the extension spring is connected between the inner wall of the transmission chamber and the transmission block; the extension spring keeps the blocking plate close to the central axis through the transmission block; the end of the blocking plate away from the transmission chamber movably abuts against the electric push rod.

[0012] Furthermore, the extrusion unit includes an extrusion chamber, an extrusion block, a punching head, a fixing plate, an air vent and a compression spring; the extrusion chamber is fixedly installed in the sealing plate, the extrusion block is slidably connected in the extrusion chamber, the punching head is fixedly connected to the end of the extrusion block away from the transmission unit, the punching head movably closes the extrusion chamber, the fixing plate is installed in the extrusion chamber corresponding to the sealing plate, the air vents are evenly opened in the fixing plate, and the compression spring is connected between the fixing plate and the extrusion block; the compression spring keeps the punching head closing the extrusion chamber through the extrusion block.

[0013] Furthermore, the driving unit includes a driving shaft, a ratchet, a limiting shaft and a pawl; the driving shaft is arranged inside the driving cavity, the driving shaft is rotatably connected to the shell through a rotating groove, the top of the driving shaft is fixedly connected to the middle shaft, the middle part of the driving shaft is sleeved with the ratchet, the limiting shaft is also arranged in the driving cavity, the bottom of the limiting shaft is fixedly connected to the shell, the top of the limiting shaft is rotatably connected to the pawl, a torsion spring is arranged between the pawl and the limiting shaft, and the end of the pawl away from the limiting shaft is connected to the The ratchet wheel is movably engaged, and the ratchet wheel and the pawl cooperate to realize the unidirectional rotation of the separator; in the natural state, the torsion spring makes the pawl and the ratchet wheel abut against each other, so that the pawl and the ratchet wheel are relatively fixed, and then the stamping test is performed through the extrusion unit; after the stamping test is completed, the separator is rotated counterclockwise, and after the separator drives the driving shaft to rotate a corresponding angle through the central axis, the ratchet wheel pushes the pawl to disengage, and the pawl continues to abut against the next ratchet wheel under the action of the torsion spring, so as to realize the stamping test of the next sodium battery.

[0014] Further, the driving unit comprises a driven shaft, a gear, an output shaft, a cam and a motor; the driven shaft is arranged inside the driving cavity, the driven shaft is rotatably connected to the housing through a rotating groove, the top of the driven shaft is fixedly connected to the central shaft, the middle part of the driven shaft is sleeved with the gear, the driving cavity is also provided with the output shaft, the motor is drivingly connected to the output shaft, the top of the output shaft is fixedly connected to the cam, the end of the cam away from the output shaft is movably engaged with the gear, and the gear and the cam cooperate to realize the unidirectional rotation of the separator; in a natural state, the cam is abutted against the gear to realize the relative fixation of the cam and then the stamping test is performed through the extrusion unit; after the stamping test is completed, the motor drives the cam to rotate through the output shaft to realize the stamping test of the next sodium battery.

[0015] Furthermore, the first magnet is fixedly connected to the bottom of the cam away from the output shaft, and the second magnet is also provided on the top of the motor. When the output shaft rotates until the first magnet and the second magnet are movably fitted together, the second magnet automatically extends and abuts against the blocking plate.

[0016] The beneficial effects of the present invention are:

[0017] 1. The present invention realizes the closed stamping detection of sodium battery by arranging adjacent separators and buffer pads, the shell corresponding to the adjacent separators and the sealing plate corresponding to the buffer pads together forming a stamping detection chamber; then, through the cooperation of the rotating assembly and the fixed assembly, the rotating assembly drives one of the transmission units to rotate to the output end of the fixed assembly, and then the stamping of the sodium battery is realized through the extrusion unit, and the driving unit drives the rotating assembly unit to rotate, so as to realize the stamping detection of multiple extrusion units in sequence; so that the fixed assembly can be used multiple times within a unit time; and the cooling waiting time after the stamping detection is reduced.

[0018] 2. The present invention cooperates with the ratchet and the pawl so that in a natural state, the torsion spring causes the pawl to abut against the ratchet, so that the pawl and the ratchet are relatively fixed, and then a stamping test is performed through an extrusion unit; after the stamping test is completed, the separator is manually rotated counterclockwise, and after the separator drives the drive shaft to rotate a corresponding angle through the central axis, the ratchet pushes the pawl to disengage, and the pawl continues to abut against the next ratchet under the action of the torsion spring, so as to realize the stamping test of the next sodium battery, and the sodium batteries of the device are put into the device in sequence by opening the explosion-proof glass door.

[0019] 3. The present invention cooperates with the driving unit and the fixing unit so that in a natural state, the cam and the gear are counteracted to achieve relative fixation of the cam and the gear. The motor rotates one circle, first driving the cam to disengage from the fixation of the gear, and then the cooperation of the first magnet and the second magnet causes the electric push rod to move once for stamping detection; then the motor rotates the cam to fix the gear, and the stamping detection of the next sodium battery is achieved; the rotation and extrusion are achieved without manual operation, and the device has high linkage. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a main structural schematic diagram of the present invention;

[0021] Figure 2 It is a three-dimensional structural schematic diagram of the present invention;

[0022] Figure 3 It is a schematic diagram of the structure of the present invention after removing the shell;

[0023] Figure 4It is a schematic diagram of the top view of the transmission unit of the present invention;

[0024] Figure 5 It is a schematic diagram of the top view of the extrusion unit of the present invention;

[0025] Figure 6 is a schematic diagram of a top view of the structure of a driving unit of the present invention;

[0026] Figure 7 It is a cross-sectional structural schematic diagram of the present invention;

[0027] Figure 8 The present invention Figure 7 A schematic diagram of the structure enlarged at A;

[0028] Fig. 9 The present invention Figure 7 Schematic diagram of the enlarged structure at B.

[0029] Description of reference numerals in the figures:

[0030] 11. Shell; 12. Explosion-proof glass; 13. Sealing strip; 14. Limiting groove; 15. Rotating groove; 21. Central axis; 22. Separating piece; 23. Closing plate; 24. Connecting hole; 25. Buffer pad; 26. Driving chamber; 31. Transmission chamber; 32. Transmission block; 33. Blocking piece; 34. Extension spring; 41. Driving shaft; 42. Ratchet; 43. Limiting shaft; 44. Ratchet; 51. Driven shaft; 52. Gear; 53. Output shaft; 54. Cam; 55. Motor; 61. Extrusion chamber; 62. Extrusion block; 63. Punching head; 64. Fixing piece; 65. Vent; 66. Compression spring; 71. Fixing seat; 72. Electric push rod; 81. First magnet; 82. Second magnet. DETAILED DESCRIPTION

[0031] Embodiment 1:

[0032] See 1-5 and 7;

[0033] An impact resistance testing device for sodium battery experiments comprises a shell 11, and also comprises a fixed component, a rotating component, a transmission unit, an extrusion unit and a driving unit; the fixed component is arranged at the middle of the top wall of the shell 11, the rotating component is arranged at the bottom wall of the shell 11, a plurality of groups of transmission units are arranged at the top of the rotating component, a plurality of groups of extrusion units corresponding to the transmission units are arranged in the middle of the rotating component, the driving unit is arranged inside the rotating component, the rotating component drives one of the transmission units to rotate to the output end of the fixed component, and then the sodium battery is punched by the extrusion unit, and the driving unit drives the rotating component unit to rotate, so as to realize the sequential punching detection of a plurality of extrusion units.

[0034] As a further solution of this embodiment, the rotating assembly includes a central axis 21, a separator 22, a sealing plate 23, a connecting hole 24, a buffer pad 25 and a driving cavity 26; the central axis 21 is arranged in the middle of the shell 11, the driving cavity 26 is opened at the bottom of the central axis 21, the central axis 21 is rotatably connected to the shell 11 through the limiting groove 14, the sealing plate 23 is fixedly connected to the top of the side wall of the shell 11, the top of the sealing plate 23 is flush with the top of the central axis 21, and the side wall of the central axis 21 is also fixedly connected to a plurality of separators 22 distributed in a circular array along the axis of the central axis 21, the separators 22 A semicircular end is provided at the horizontal cross-section at one end away from the central axis 21, and the semicircular end of the separator 22 is movably engaged with the inner wall of the shell 11. The connecting hole 24 is opened in the middle of the adjacent separators 22 corresponding to the top of the sealing plate 23, and the top of the connecting hole 24 is connected to the transmission unit, and the bottom of the connecting hole 24 is connected to the extrusion unit; the bottoms of adjacent separators 22 are connected with the buffer pads 25; the adjacent separators 22, the buffer pads 25, the shells 11 corresponding to the adjacent separators 22, and the sealing plates 23 corresponding to the buffer pads 25 together form a stamping detection cavity.

[0035] As a further solution of this embodiment, the explosion-proof glass 12 is opened on the outside of the shell 11, and the explosion-proof glass 12 is opened corresponding to one of the stamping detection cavities. A sealing strip 13 is rotatably connected to the inner wall of one side of the explosion-proof glass 12, and the sealing strip 13 movably seals the explosion-proof glass 12. A sealing strip is also arranged between the sealing strip 13 and the explosion-proof glass 12.

[0036] As a further solution of this embodiment, the fixing assembly includes a fixing seat 71 and an electric push rod 72; the fixing seat 71 is fixedly installed in the middle of the inner top wall of the shell 11, and the electric push rod 72 is fixedly connected to one end of the fixing seat 71 corresponding to the explosion-proof glass 12, and the electric push rod 72 movably engages with the transmission unit.

[0037] As a further solution of this embodiment, the transmission unit includes a transmission chamber 31, a transmission block 32, a blocking piece 33 and an extension spring 34; the transmission chamber 31 is fixedly installed on the top of the sealing plate 23, and an opening is provided at one end of the transmission chamber 31 close to the central axis 21, the transmission block 32 is slidably connected in the transmission chamber 31, the blocking piece 33 is connected to one end of the transmission block 32 away from the transmission chamber 31, the blocking piece 33 movably closes the opening of the transmission chamber 31, and the extension spring 34 is connected between the inner wall of the transmission chamber 31 and the transmission block 32;

[0038] As a further solution of this embodiment, the extension spring 34 keeps the blocking plate 33 close to the central axis 21 through the transmission block 32 ; the end of the blocking plate 33 away from the transmission cavity 31 moves to abut against the electric push rod 72 .

[0039] As a further scheme of this embodiment, the extrusion unit includes an extrusion chamber 61, an extrusion block 62, a punch head 63, a fixing plate 64, an air vent 65 and a compression spring 66; the extrusion chamber 61 is fixedly installed in the sealing plate 23, the extrusion block 62 is slidably connected in the extrusion chamber 61, the punch head 63 is fixedly connected to the end of the extrusion block 62 away from the transmission unit, the punch head 63 movably closes the extrusion chamber 61, the extrusion chamber 61 is installed with the fixing plate 64 corresponding to the sealing plate 23, the air vent 65 is evenly opened in the fixing plate 64, and the compression spring 66 is connected between the fixing plate 64 and the extrusion block 62; the compression spring 66 keeps the punch head 63 closing the extrusion chamber 61 through the extrusion block 62.

[0040] As a further solution of this embodiment, the driving unit includes a driving shaft 41, a ratchet 42, a limiting shaft 43 and a pawl 44; the driving chamber 26 is provided with the driving shaft 41, the driving shaft 41 is rotatably connected to the housing 11 through the rotating groove 15, the top of the driving shaft 41 is fixedly connected to the middle shaft 21, the middle part of the driving shaft 41 is sleeved with the ratchet 42, the driving chamber 26 is also provided with the limiting shaft 43, the bottom of the limiting shaft 43 is fixedly connected to the housing 11, the top of the limiting shaft 43 is rotatably connected to the pawl 44, a torsion spring is provided between the pawl 44 and the limiting shaft 43, the end of the pawl 44 away from the limiting shaft 43 is movably engaged with the ratchet 42, and the ratchet 42 and the pawl 44 cooperate to realize the unidirectional rotation of the separator 22;

[0041] In a natural state, the torsion spring causes the pawl 44 to abut against the ratchet 42, so that the pawl 44 and the ratchet 42 are relatively fixed, and then the stamping test is performed through the extrusion unit; after the stamping test is completed, the separator 22 is rotated counterclockwise, and after the separator 22 drives the drive shaft 41 to rotate a corresponding angle through the central axis 21, the ratchet 42 pushes the pawl 44 out of engagement, and the pawl 44 continues to abut against the next ratchet 42 under the action of the torsion spring, so as to achieve the stamping test of the next sodium battery.

[0042] Embodiment 2: See Figure 6 ,8-9;

[0043] In the first embodiment, the partition sheet 22 needs to be pushed manually. The test results show that the temperature inside the stamping detection cavity is relatively high, and the structure of the driving unit is further improved.

[0044] The driving unit includes a driven shaft 51, a gear 52, an output shaft 53, a cam 54 and a motor 55;

[0045] The driven shaft 51 is arranged inside the driving chamber 26, and the driven shaft 51 is rotatably connected to the housing 11 through the rotating groove 15. The top of the driven shaft 51 is fixedly connected to the central shaft 21, and the middle of the driven shaft 51 is sleeved with the gear 52. The driving chamber 26 also has an output shaft 53, and the motor 55 is drivingly connected to the output shaft 53. The top of the output shaft 53 is fixedly connected to the cam 54, and one end of the cam 54 away from the output shaft 53 is movably engaged with the gear 52, and the gear 52 and the cam 54 cooperate to realize the unidirectional rotation of the partition plate 22;

[0046] In a natural state, the cam 54 abuts against the gear 52 to achieve relative fixation of the cam 54 and the gear 52, and then a stamping test is performed through the extrusion unit; after the stamping test is completed, the motor 55 drives the cam 54 to rotate through the output shaft 53 to achieve the stamping test of the next sodium battery.

[0047] As a further solution of this embodiment, the bottom of the cam 54 away from the output shaft 53 is also fixedly connected to the first magnet 81, and the top of the motor 55 is also provided with the second magnet 82. When the output shaft 53 rotates until the first magnet 81 and the second magnet 82 are movably fitted together, the second magnet 82 automatically extends and abuts against the blocking plate 33.

Claims

1. An impact resistance testing device for sodium battery experiments, comprising a housing, characterized in that: It also includes a fixed component, a rotating component, a transmission unit, an extrusion unit and a driving unit; the fixed component is arranged at the middle of the top wall of the shell, the rotating component is arranged at the bottom wall of the shell, multiple groups of transmission units are arranged on the top of the rotating component, multiple groups of extrusion units corresponding to the transmission units are arranged in the middle of the rotating component, the driving unit is arranged inside the rotating component, the rotating component drives one of the transmission units to rotate to the output end of the fixed component, and then the sodium battery is punched through the extrusion unit, and the driving unit drives the rotating component unit to rotate, so as to realize the sequential punching detection of multiple extrusion units.

2. The impact resistance testing equipment for sodium battery experiments according to claim 1 is characterized in that: The rotating assembly includes a central shaft, a separator, a sealing plate, a connecting hole, a buffer pad and a driving chamber; The central axis is arranged in the middle of the shell, the driving cavity is arranged at the bottom of the central axis, the central axis is rotatably connected to the shell through the limiting groove, the sealing plate is fixedly connected to the top of the shell side wall, the top of the sealing plate is flush with the top of the central axis, the central axis side wall is also fixedly connected to a plurality of separating sheets distributed in a circular array along the axis of the central axis, the horizontal section of one end of the separating sheet away from the central axis is provided with a semicircular end, the semicircular end of the separating sheet is movably engaged with the inner wall of the shell, the connecting holes are arranged in the middle of the adjacent separating sheets at the top of the sealing plate, the top of the connecting hole is connected to the transmission unit, and the bottom of the connecting hole is connected to the extrusion unit; the buffer pads are connected between the bottoms of adjacent separating sheets; The adjacent separators, the buffer pads, the shells corresponding to the adjacent separators, and the sealing plates corresponding to the buffer pads together form a stamping detection cavity.

3. The impact resistance testing equipment for sodium battery experiments according to claim 2 is characterized in that: The explosion-proof glass is provided on the outside of the shell, and the explosion-proof glass is provided corresponding to one of the stamping detection cavities. A sealing strip is rotatably connected to the inner wall of one side of the explosion-proof glass, and the sealing strip movably seals the explosion-proof glass. A sealing strip is also provided between the sealing strip and the explosion-proof glass.

4. The impact resistance testing equipment for sodium battery experiments according to claim 3 is characterized in that: The fixing assembly comprises a fixing seat and an electric push rod; The fixing seat is fixedly installed in the middle of the inner top wall of the shell, and the electric push rod is fixedly connected to one end of the fixing seat corresponding to the explosion-proof glass, and the electric push rod movably abuts against the transmission unit.

5. The impact resistance testing equipment for sodium battery experiments according to claim 4 is characterized in that: The transmission unit comprises a transmission chamber, a transmission block, a blocking sheet and an extension spring; The transmission chamber is fixedly mounted on the top of the sealing plate, and an opening is provided at one end of the transmission chamber close to the central axis, the transmission block is slidably connected in the transmission chamber, the end of the transmission block away from the transmission chamber is connected to the blocking sheet, the blocking sheet movably closes the opening of the transmission chamber, and the extension spring is connected between the inner wall of the transmission chamber and the transmission block; The extension spring enables the blocking plate to remain close to the central axis through the transmission block; one end of the blocking plate away from the transmission cavity moves to abut against the electric push rod.

6. The impact resistance testing equipment for sodium battery experiments according to claim 5 is characterized in that: The extrusion unit comprises an extrusion chamber, an extrusion block, a punch head, a fixing plate, a vent hole and a compression spring; The extrusion cavity is fixedly installed in the sealing plate, the extrusion block is slidably connected in the extrusion cavity, the punching head is fixedly connected to the end of the extrusion block away from the transmission unit, the punching head movably closes the extrusion cavity, the extrusion cavity is installed with the fixing plate corresponding to the sealing plate, the vent holes are evenly opened in the fixing plate, and the compression spring is connected between the fixing plate and the extrusion block; the compression spring keeps the punching head closing the extrusion cavity through the extrusion block.

7. The impact resistance testing equipment for sodium battery experiments according to claim 6 is characterized in that: The driving unit comprises a driving shaft, a ratchet, a limiting shaft and a pawl; The driving chamber is provided with the driving shaft, the driving shaft is rotatably connected with the shell through a rotating groove, the top of the driving shaft is fixedly connected with the central shaft, the middle part of the driving shaft is sleeved with the ratchet, the driving chamber is also provided with the limiting shaft, the bottom of the limiting shaft is fixedly connected with the shell, the top of the limiting shaft is rotatably connected with the pawl, a torsion spring is provided between the pawl and the limiting shaft, one end of the pawl away from the limiting shaft is movably engaged with the ratchet, and the ratchet and the pawl cooperate to realize the unidirectional rotation of the separator; In a natural state, the torsion spring causes the pawl to abut against the ratchet wheel, so that the pawl and the ratchet wheel are relatively fixed, and then a stamping test is performed through the extrusion unit; after the stamping test is completed, the separator is rotated counterclockwise, and after the separator drives the driving shaft to rotate a corresponding angle through the central axis, the ratchet wheel pushes the pawl to disengage, and the pawl continues to abut against the next ratchet wheel under the action of the torsion spring, so as to realize the stamping test of the next sodium battery.

8. The impact resistance testing equipment for sodium battery experiments according to claim 6 is characterized by: The driving unit includes a driven shaft, a gear, an output shaft, a cam and a motor; The driven shaft is arranged inside the driving cavity, the driven shaft is rotatably connected to the housing through a rotating groove, the middle shaft is fixedly connected to the top of the driven shaft, the gear is sleeved on the middle of the driven shaft, the output shaft is also arranged in the driving cavity, the motor is drivingly connected to the output shaft, the top of the output shaft is fixedly connected to the cam, one end of the cam away from the output shaft is movably engaged with the gear, and the gear and the cam cooperate to realize the one-way rotation of the separator; In a natural state, the cam and the gear are against each other, so that the cam and the gear are relatively fixed, and then a stamping test is performed through an extrusion unit; after the stamping test is completed, the motor drives the cam to rotate through the output shaft to achieve the stamping test of the next sodium battery.

9. The impact resistance testing equipment for sodium battery experiments according to claim 8 is characterized in that: The first magnet is also fixedly connected to the bottom of the cam away from the output shaft, and the second magnet is also provided on the top of the motor. When the output shaft rotates until the first magnet and the second magnet are movably fitted together, the second magnet automatically extends and abuts against the blocking piece.

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