New energy vehicle battery box rapid airtightness detection mechanism

Abstract

The utility model belongs to the technical field of new energy vehicle battery box rapid air tightness detection, and specifically relates to a new energy vehicle battery box rapid air tightness detection mechanism comprising a detection rack, the inner side of the detection rack is provided with a detection bench, and a plurality of groups of pneumatic clamps are arranged between the detection rack and the detection bench. Through the arrangement of the mounting plate, the fixing frame and the lifting plate, when a new energy vehicle battery box is lifted and placed, a worker can temporarily carry the end part of the battery box on the lifting plate and then lift the battery box to the detection table, so that a temporary supporting effect is achieved, and a rotating rod is driven to rotate through a double-head motor; two threaded rods are driven to rotate through the meshing relation between first bevel teeth and second bevel teeth, threaded connecting blocks in threaded connection with the outer walls of the threaded rods can drive a connecting plate to ascend and descend along guide rods, a supporting plate can drive a lifting plate to conduct height adjustment, and therefore the lifting plate can be adjusted to the proper height according to the actual situation; therefore, the battery box can be lifted and placed conveniently.

Description

Technical Field

[0001] This utility model belongs to the field of rapid airtightness testing technology for new energy vehicle battery boxes, specifically relating to a rapid airtightness testing mechanism for new energy vehicle battery boxes. Background Technology

[0002] Rapid airtightness testing of new energy vehicle battery boxes is primarily based on the pressure decay method (pressure drop method). This method involves filling the battery box with gas at a certain pressure and then observing the pressure change to determine the battery box's sealing performance. If the pressure drops significantly within a short period, it indicates a leak in the battery box; if the pressure remains stable, it indicates good sealing performance.

[0003] Currently, existing rapid airtightness testing mechanisms for new energy vehicle battery boxes typically require placing the battery box on a testing platform, then using pneumatic clamps to press it down, ensuring the sealing surface of the battery box adheres to the adhesive strip on the testing platform. Finally, the equipment inflates the sealing opening to achieve airtightness testing. However, lifting the battery box onto the testing platform requires considerable physical effort from the staff, and during this process, there is no adequate temporary support structure around the testing frame for the battery box. Therefore, if the battery box accidentally falls off during lifting, it may damage the testing frame, thus reducing safety. Utility Model Content

[0004] The purpose of this invention is to provide a rapid airtightness testing mechanism for new energy vehicle battery boxes. This addresses the problem that existing rapid airtightness testing mechanisms for new energy vehicle battery boxes typically require placing the battery box on a testing platform, then using pneumatic clamps to press it down, ensuring the sealing surface of the battery box adheres to the adhesive strip on the testing platform. Finally, the equipment inflates the sealing opening to achieve airtightness testing. However, lifting the battery box onto the testing platform requires significant physical effort from the operator, and the testing frame lacks adequate temporary support for the battery box during this process. Therefore, if the battery box accidentally falls during lifting, it may damage the testing frame, thus reducing safety.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a rapid airtightness testing mechanism for a new energy vehicle battery box, including a testing frame, a testing platform provided on the inner side of the testing frame, multiple sets of pneumatic clamps provided between the testing frame and the testing platform, and a control cabinet provided at one end of the testing frame;

[0006] The testing frame has mounting plates on both sides, and a fixing frame is fixedly connected to the top of the mounting plates. Two threaded rods are symmetrically distributed on the inner side of the fixing frame. Threaded connecting blocks are threaded to the outer walls of the threaded rods. Connecting plates are connected to the outer walls of the threaded connecting blocks. Two support plates are connected to the top of the connecting plates. A lifting plate is connected to the top of the support plates. Guide rods are provided on both sides of the threaded rods.

[0007] As a preferred embodiment of the rapid airtightness testing mechanism for a new energy vehicle battery box according to this utility model, the end of the threaded connecting block is sleeved on the outer wall of the guide rod.

[0008] As a preferred embodiment of the rapid airtightness testing mechanism for a new energy vehicle battery box according to this utility model, the two ends of the two threaded rods can form a rotatable connection structure with the mounting plate and the fixed frame through bearings.

[0009] As a preferred embodiment of the rapid airtightness testing mechanism for a new energy vehicle battery box according to this utility model, one end of the two threaded rods is provided with a first conical tooth, a connecting frame is connected to the top of the mounting plate, a dual-head motor is mounted on the top of the mounting plate, a rotating rod is connected to the output end of the dual-head motor, and a second conical tooth is connected to the end of the rotating rod.

[0010] As a preferred embodiment of the rapid airtightness testing mechanism for a new energy vehicle battery box according to this utility model, the end of the rotating rod away from the dual-head motor passes through the connecting frame.

[0011] As a preferred embodiment of the rapid airtightness testing mechanism for a new energy vehicle battery box according to this utility model, the first bevel tooth and the second bevel tooth mesh with each other.

[0012] As a preferred embodiment of the rapid airtightness testing mechanism for a new energy vehicle battery box according to this utility model, the mounting plate has mounting holes at both ends.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] With the installation of the mounting plate, fixing frame, and lifting plate, when lifting and placing the battery box of a new energy vehicle, the staff can temporarily mount the end of the battery box on the lifting plate before lifting it to the testing platform, thus providing temporary support. The dual-head motor drives the rotating rod to rotate, and the meshing relationship between the first and second bevel teeth drives the two threaded rods to rotate. This allows the threaded connecting block on the outer wall to drive the connecting plate to rise and fall along the guide rod. As the connecting plate moves, the support plate connected to its top will drive the lifting plate to adjust its height, so that the lifting plate can be adjusted to a suitable height according to the actual situation to facilitate the lifting and placement of the battery box. Attached Figure Description

[0015] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0016] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the first rear view structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the second rear view structure of this utility model;

[0019] Figure 4 This is an enlarged structural schematic diagram of the present invention.

[0020] In the diagram: 1. Testing frame; 2. Testing table; 3. Pneumatic clamp; 4. Control cabinet; 5. Mounting plate; 6. Fixing frame; 7. Threaded rod; 8. Threaded connecting block; 9. Connecting plate; 10. Support plate; 11. Lifting plate; 12. Guide rod; 13. First bevel gear; 14. Connecting frame; 15. Dual-head motor; 16. Rotating rod; 17. Second bevel gear; 18. Mounting hole. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figures 1-4 The present invention provides the following technical solution: a rapid airtightness testing mechanism for a battery box of a new energy vehicle, including a testing frame 1, a testing platform 2 is provided on the inner side of the testing frame 1, a plurality of pneumatic clamps 3 are provided between the testing frame 1 and the testing platform 2, and a control cabinet 4 is provided at one end of the testing frame 1.

[0023] In actual use, the new energy vehicle battery box is lifted and placed on the test platform 2, and then pressed down by the pneumatic clamp 3. At this time, the sealing surface at the bottom of the new energy vehicle battery box will be tightly attached to the rubber strip on the test platform 2. Then, the front and rear sealing cylinders on the test frame 1 are pushed forward to seal the leakage holes at the front and rear of the battery box, so that the battery box is in a theoretically sealed state. Then, air is injected into the reserved sealing port through the air inflation device. After the test conditions are met, the sensor in the tooling outputs the leakage value to the control cabinet 4, thereby completing the rapid airtightness test of the new energy vehicle battery box.

[0024] It should be noted that when lifting and placing the battery box of the new energy vehicle, the sealed surface of the battery box should be facing down. The pneumatic clamp 3 is driven by a cylinder. There are multiple sets of pneumatic clamp 3, and the multiple sets of pneumatic clamp 3 are arranged in a rectangular array around the test table 2.

[0025] Mounting plates 5 are provided on both sides of the testing frame 1. A fixing frame 6 is fixedly connected to the top of the mounting plate 5. Two threaded rods 7 are symmetrically distributed on the inner side of the fixing frame 6. Threaded connecting blocks 8 are threadedly connected to the outer wall of the threaded rods 7. A connecting plate 9 is connected to the outer wall of the threaded connecting blocks 8. Two support plates 10 are connected to the top of the connecting plate 9. A lifting plate 11 is connected to the top of the support plate 10. Guide rods 12 are provided on both sides of the threaded rods 7.

[0026] Preferably, the end of the threaded connecting block 8 is sleeved on the outer wall of the guide rod 12, and the two ends of the two threaded rods 7 can form a rotating connection structure with the mounting plate 5 and the fixing frame 6 through bearings.

[0027] In practical use, with the installation of mounting plate 5, fixing frame 6 and lifting plate 11, when the new energy vehicle battery box is lifted and placed, the staff can temporarily mount the end of the battery box on the lifting plate 11 and then lift it to the testing platform 2, thus playing a temporary support role.

[0028] Preferably, one end of each of the two threaded rods 7 is provided with a first bevel tooth 13, the top of the mounting plate 5 is connected to a connecting frame 14, a double-headed motor 15 is mounted on the top of the mounting plate 5, the output end of the double-headed motor 15 is connected to a rotating rod 16, the end of the rotating rod 16 is connected to a second bevel tooth 17, the end of the rotating rod 16 away from the double-headed motor 15 passes through the connecting frame 14, and the first bevel tooth 13 and the second bevel tooth 17 mesh with each other.

[0029] In practical use, the dual-head motor 15 drives the rotating rod 16 to rotate, and the meshing relationship between the first bevel tooth 13 and the second bevel tooth 17 drives the two threaded rods 7 to rotate, so that the threaded connecting block 8 connected to the outer wall can drive the connecting plate 9 to rise and fall along the guide rod 12. As the connecting plate 9 moves, the support plate 10 connected to its top will drive the lifting plate 11 to adjust its height, so that the lifting plate 11 can be adjusted to a suitable height according to the actual situation.

[0030] It should be noted that when the rotating rod 16 is rotated clockwise by the dual-head motor 15, the meshing relationship between the first bevel tooth 13 and the second bevel tooth 17 drives the two threaded rods 7 to rotate, so that the threaded connecting block 8 connected to the outer wall can drive the connecting plate 9 to rise along the guide rod 12. As the connecting plate 9 moves, the support plate 10 connected to its top will drive the lifting plate 11 to rise.

[0031] Conversely, when the rotating rod 16 is driven to rotate counterclockwise by the dual-head motor 15, the meshing relationship between the first bevel tooth 13 and the second bevel tooth 17 drives the two threaded rods 7 to rotate, so that the threaded connecting block 8 connected to the outer wall can drive the connecting plate 9 to descend along the guide rod 12. As the connecting plate 9 moves, the support plate 10 connected to its top will drive the lifting plate 11 to descend.

[0032] Preferably, mounting holes 18 are provided at both ends of the mounting plate 5.

[0033] Working principle: First, the new energy vehicle battery box is lifted onto the testing platform 2. During the lifting process, through the installation plate 5, fixing frame 6, and lifting plate 11, when the new energy vehicle battery box is lifted and placed, the staff can temporarily support the end of the battery box on the lifting plate 11 before lifting it onto the testing platform 2, thus providing temporary support. The dual-head motor 15 drives the rotating rod 16 to rotate, and the meshing relationship between the first bevel gear 13 and the second bevel gear 17 drives the two threaded rods 7 to rotate. This allows the threaded connecting block 8, whose outer wall is threaded, to drive the connecting plate 9 to rise and fall along the guide rod 12. As the connecting plate 9 moves, the support plate 10 connected to its top... This will cause the lifting plate 11 to adjust its height, allowing it to be adjusted to a suitable height according to the actual situation, so that the battery box can be lifted and placed. Then, the pneumatic clamp 3 presses down on the new energy vehicle battery box, at which point the sealing surface at the bottom of the new energy vehicle battery box will be tightly attached to the rubber strip on the test bench 2. Then, the front and rear sealing cylinders on the test frame 1 are pushed forward to seal the leakage holes at the front and rear of the battery box, so that the battery box is in a theoretically sealed state. Then, air is injected into the reserved sealing port through the air inflation device. After the test conditions are met, the sensor in the tooling outputs the leakage value to the control cabinet 4, thereby completing the rapid airtightness test of the new energy vehicle battery box.

[0034] Finally, it should be noted that the above are merely preferred embodiments of this utility model and are not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A new energy vehicle battery box rapid airtight detection mechanism, comprising a detection rack (1), characterized in that: The inner side of the detection frame (1) is provided with a detection table (2), a plurality of groups of pneumatic clamps (3) are arranged between the detection frame (1) and the detection table (2), and one end of the detection frame (1) is provided with a control cabinet (4); Both sides of the detection frame (1) are provided with mounting plates (5), the top of the mounting plate (5) is fixedly connected with a fixing frame (6), the inner side of the fixing frame (6) is symmetrically provided with two threaded rods (7), the outer wall of the threaded rod (7) is threadedly connected with a threaded connecting block (8), the outer wall of the threaded connecting block (8) is connected with a connecting plate (9), the top of the connecting plate (9) is connected with two supporting plates (10), the top of the supporting plate (10) is connected with a lifting plate (11), and the two sides of the threaded rod (7) are provided with guide rods (12).

2. The quick airtight detection mechanism for a new energy vehicle battery box according to claim 1, characterized in that: The end of the threaded connecting block (8) is sleeved on the outer wall of the guide rod (12).

3. The quick airtight detection mechanism for a new energy vehicle battery box according to claim 1, characterized in that: Both ends of the two threaded rods (7) are rotatably connected with the mounting plate (5) and the fixing frame (6) through bearings.

4. The quick airtight detection mechanism for a new energy vehicle battery box according to claim 1, characterized in that: One end of the two threaded rods (7) is provided with a first bevel gear (13), the top of the mounting plate (5) is connected with a connecting frame (14), the mounting plate (5) is provided with a double-head motor (15), the output end of the double-head motor (15) is connected with a rotating rod (16), and the end of the rotating rod (16) is connected with a second bevel gear (17).

5. The quick airtight detection mechanism for a new energy vehicle battery box according to claim 4, characterized in that: The end of the rotating rod (16) away from the double-head motor (15) penetrates through the connecting frame (14).

6. The quick airtight detection mechanism for a new energy vehicle battery box according to claim 4, characterized in that: The first bevel gear (13) and the second bevel gear (17) are engaged.

7. The quick airtight detection mechanism for a battery box of a new energy vehicle according to claim 1, characterized in that: Both ends of the mounting plate (5) are provided with mounting holes (18).

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