Waterproof testing device

Abstract

The invention relates to the technical field of product testing, in particular to a waterproof testing device which comprises a lifting device and a plurality of spraying devices, the lifting device comprises a lifting frame and a plurality of clamping jaws arranged on the lifting frame in a sliding mode, the clamping jaws are used for clamping samples, and the lifting frame is used for driving the samples to ascend and descend in the vertical direction. The multiple spraying devices are arranged on the two sides of the lifting device, and each spraying device comprises a translation device and a mechanical arm arranged on the translation device. A nozzle is arranged on the mechanical arm, the translation device is used for driving the mechanical arm to move in the horizontal direction, and the mechanical arm is used for driving the nozzle to perform multi-axis rotation. The sample is driven by the lifting frame to ascend and descend in the vertical direction, the mechanical arm is driven by the translation device to move in the horizontal direction, and the mechanical arm drives the spray head to perform multi-axis rotation so as to spray the sample in all directions. The spraying device has the effects of being capable of spraying large samples in all directions and enabling the spraying process to be safer.

Description

Technical Field

[0001] This application relates to the field of product testing technology, and in particular to a waterproof testing device. Background Technology

[0002] As automobiles become increasingly intelligent, the market demand for automotive power batteries is growing. The waterproof performance of a power battery pack is one of the key indicators of its quality; typically, a power battery pack needs to achieve an IPX9 waterproof rating, which requires comprehensive spray testing under high temperature and high pressure conditions.

[0003] Currently, most mainstream waterproof testing equipment on the market adopts a closed structure. This approach can meet the waterproof testing needs of most products to a certain extent, and due to the sealed nature of the chamber, the testing environment can be well controlled, ensuring the accuracy of the test results. However, for some large samples (such as automotive battery packs), this testing method is limited by the chamber space and cannot be completed inside the chamber.

[0004] Although some related technologies (such as utility model authorization number CN210774519U) use an open structure for testing, their spraying method for the product is a rotating spray, which makes it difficult to conduct all-round spray tests on large samples. Moreover, during the spraying process, this rotating spray may cause the large sample to move.

[0005] The aforementioned technologies have drawbacks, such as the inability to perform comprehensive spray tests on large samples and the possibility of large samples moving during the spraying process. Summary of the Invention

[0006] In order to conduct comprehensive spray tests on large samples and ensure the safety of the test, this application provides a waterproof testing device.

[0007] The waterproof testing device provided in this application adopts the following technical solution: A waterproof testing device, comprising: The lifting device includes a lifting frame and a plurality of grippers slidably disposed on the lifting frame. The grippers are used to hold a sample, and the lifting frame is used to drive the sample to move up and down in the vertical direction. Multiple spraying devices are arranged on both sides of the lifting device. Each spraying device includes a translation device and a robotic arm mounted on the translation device. The robotic arm is equipped with a nozzle. The translation device is used to drive the robotic arm to move horizontally, and the robotic arm is used to drive the nozzle to rotate in multiple axes. The sample is lifted vertically by the lifting frame, the translation device drives the robotic arm to move horizontally, and the robotic arm drives the nozzle to rotate in multiple axes to spray the sample from all directions.

[0008] By adopting the above technical solution, compared with the related technology of spraying large samples from multiple angles by rotating the sample, the embodiment of this application uses a lifting frame to lift the large sample vertically, a translation device to move the robotic arm horizontally, and the robotic arm to rotate the nozzle in multiple axes to spray the large sample from all directions. This ensures that all parts of the large sample can be fully tested, improving the accuracy and reliability of the test. Moreover, during the test, the gripper can firmly hold the large sample, preventing the large sample from moving due to spraying, thus improving the safety of the spray test.

[0009] Optionally, the translation device includes a slide rail and a slider slidably disposed on the slide rail, the robotic arm is disposed on the slider, and the slider is used to drive the robotic arm to move along the slide rail.

[0010] By adopting the above technical solution, the robotic arm is mounted on the sliding component, allowing the nozzle to move linearly along the slide rail, thus expanding the spray range of the sample. Furthermore, the robotic arm's translation along the track makes the nozzle movement smoother and the positioning more precise, improving the controllability of the spray path. The slide rail and sliding component are easy to manufacture and maintain, reducing equipment costs and improving the durability and stability of the device.

[0011] Optionally, it also includes a water supply device connected to the nozzle, the water supply device being used to supply test water to the nozzle; a temperature sensor and a pressure sensor are provided at the connection between the water supply device and the nozzle, the temperature sensor being used to detect the temperature of the test water, and the pressure sensor being used to detect the water pressure of the test water.

[0012] By adopting the above technical solution, temperature and pressure sensors monitor the temperature and pressure of the test water in real time, ensuring that the test environment meets standard requirements (such as the IPX waterproof rating test standard), thus improving the comparability and accuracy of the test results. The water supply device can also control the water temperature and pressure in real time based on the parameters of the temperature and pressure sensors, avoiding test errors caused by environmental changes and enhancing the repeatability and reliability of the test.

[0013] Optionally, the lifting device further includes a second fixed bracket, on the top surface of which is provided a lifting mechanism. The telescopic end of the lifting mechanism is connected to the lifting frame, and the lifting mechanism is used to lift the lifting frame.

[0014] By adopting the above technical solution, the second fixed bracket provides a solid base, and the lifting mechanism enables the lifting frame to rise and fall smoothly, preventing the sample from shaking during the test and ensuring test safety and result consistency.

[0015] Optionally, a ladder is provided on the side of the second fixed bracket, and a railing is provided on the top surface of the second fixed bracket.

[0016] By adopting the above technical solution, the ladder makes it easy for operators to climb up the second fixed support to debug and maintain the elevator, and the fence provides safety protection for high-altitude operations, reduces the risk of accidents, and meets the requirements of safe production.

[0017] Optionally, the lifting device further includes multiple gripper cylinders and multiple connecting parts. The gripper cylinders are connected to the grippers through the connecting parts. The telescopic ends of the gripper cylinders are connected to the lifting frame. The gripper cylinders are used to drive the grippers to hold the sample.

[0018] By adopting the above technical solution, the gripper cylinder achieves automatic sample clamping and release. The clamping force of the gripper cylinder is controllable, ensuring that the sample is firmly fixed and improving testing efficiency. The gripper cylinder can adapt to different sample sizes and shapes, enhancing the flexibility of the device.

[0019] Optionally, it also includes a feeding device, which includes a first fixed bracket, a translation cart, and a sample holder. The translation cart is slidably mounted on the first fixed bracket, and the sample holder is mounted on the translation cart. The sample holder is used to place the sample.

[0020] By adopting the above technical solutions, the feeding device achieves automatic sample transport, optimizes the workflow, and increases testing throughput. The design of the translation cart and sample rack reduces the labor intensity of operators and avoids damage to samples during handling.

[0021] Optionally, the sample holder is provided with multiple adjustment handwheels, which are used to adjust the sample holder to fix the sample.

[0022] By adopting the above technical solution, the handwheel allows for fine-tuning of the sample's position and orientation, ensuring the sample is at the optimal angle during testing, thus improving the accuracy and consistency of the test. Adjusting the sample holder via the handwheel can accommodate various irregular samples, enhancing the applicability of the waterproof testing device.

[0023] Optionally, the first fixed support is provided with a conveyor belt, which is used to push the translation vehicle to slide on the first fixed support.

[0024] By adopting the above technical solution, the conveyor belt enables the automatic movement of the translation vehicle, further improving the automation level of the waterproof testing device and reducing labor costs. The conveyor belt can be linked with other devices (such as lifting devices) to achieve coordinated operation of the entire waterproof testing device, thereby improving testing efficiency.

[0025] Optionally, the first fixed bracket defines a sample placement area and a test area; wherein, when the translation vehicle is located in the sample placement area, the sample is placed on the sample holder, and when the translation vehicle is located in the test area, the lifting device clamps and lifts the sample.

[0026] By adopting the above technical solution, the clear zoning standardizes the operation process. The sample placement area is used to place samples on the sample rack, and the test area is used for the lifting device to clamp and lift the test samples, which avoids cross-interference and improves the organization of the work.

[0027] In summary, this application includes at least one of the following beneficial technical effects: 1. Compared to related technologies that use rotating samples to spray large samples from multiple angles, this embodiment uses a lifting frame to lift the large sample vertically, a translation device to move the robotic arm horizontally, and the robotic arm to rotate the nozzle in multiple axes to spray the large sample from all directions. This ensures that all parts of the large sample are fully tested, improving the accuracy and reliability of the test. Moreover, during the test, the grippers can firmly hold the large sample, preventing it from moving due to spraying and improving the safety of the spray test. 2. By mounting the robotic arm on the sliding component, the nozzle can move linearly along the slide rail, expanding the spray range of the sample. Furthermore, the robotic arm's translation along the track makes the nozzle movement smoother and the positioning more precise, improving the controllability of the spray path. The slide rail and sliding component are easy to manufacture and maintain, reducing equipment costs and improving the durability and stability of the device. 3. Temperature and pressure sensors monitor the temperature and pressure of the test water in real time to ensure that the test environment meets the standard requirements (such as the IPX waterproof rating test standard), which improves the comparability and accuracy of the test results. The water supply device can also control the water temperature and pressure in real time according to the parameters of the temperature and pressure sensors, avoiding test errors caused by environmental changes and enhancing the repeatability and reliability of the test. 4. The conveyor belt enables the automatic movement of the translation vehicle, further improving the automation level of the waterproof testing device and reducing labor costs; the conveyor belt can be linked with other devices (such as lifting devices) to achieve coordinated work of the entire waterproof testing device and improve testing efficiency. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the structure of a rotary waterproof testing device for related technologies; Figure 2 This is a structural schematic diagram of a waterproof testing device from a first angle according to an embodiment of this application; Figure 3 This is a schematic diagram of the structure of a waterproof testing device from a second angle according to an embodiment of this application; Figure 4 This is a structural schematic diagram of a waterproof testing device from a third angle according to an embodiment of this application; Figure 5 This is a structural schematic diagram of a waterproof testing device from a fourth angle according to an embodiment of this application; Figure 6 yes Figure 5 Enlarged diagram of area A in the middle.

[0029] Explanation of reference numerals in the attached drawings: 110, Spraying equipment; 111, Spraying bar; 120, Support rod; 130, Stabilizing rod; 140, Dust cover; 150, Spraying block; 151, Spraying platform; 152, Fixed casters; 160, Water pump; 170, Water tank; 180, Grating plate; 190, Water storage tank; 10, Feeding device; 11, First fixed bracket; 12, Conveyor belt; 13, Transfer cart; 14, Sample rack; 15, Adjusting handwheel; 20, Lifting device; 21, Second fixed bracket; 22, Lift; 23, Lifting frame; 24, Grip cylinder; 25, Grip; 26, Connector; 27, Ladder; 28, Fence; 30, Spraying device; 31, Transfer device; 31a, Slide rail; 31b, Sliding component; 32, Robotic arm; 33, Spray head. Detailed Implementation

[0030] The following is in conjunction with the appendix Figure 1-6 This application will be described in further detail.

[0031] Figure 1 This is a structural schematic diagram of a rotary waterproof testing device for related technologies. (Refer to...) Figure 1The rotary waterproof testing device includes a spraying device 110, a support rod 120, a stabilizing rod 130, a dust cover 140, a spraying block 150, a water pump 160, a water tank 170, a grating plate 180, and a water storage tank 190. The grating plate 180 is mounted on the water storage tank 190, and the stabilizing rod 130, the spraying block 150, the water pump 160, and the water tank 170 are all mounted on the grating plate 180. The spraying block 150 is equipped with a spraying platform 151 and fixed casters 152. The stabilizing rod 130 is equipped with a support rod 120, and the support rod 120 is equipped with the spraying device 110 and the dust cover 140. The spraying device 110 includes a spraying rod 111, which is connected to the water pump 160 via a water pipe. The water pump 160 also draws water from the water tank 170 via the water pipe. The spray bar 111 is used to spray water onto the spray platform 151.

[0032] The related rotating waterproof testing device sprays water onto the product on the spray platform 151 via a spray rod 111. The angle at which the spray rod 111 sprays water onto the product is changed by rotating the spray platform 151. This rotating spray method can provide omnidirectional spraying for small products, but it is difficult to achieve omnidirectional spraying for large products. Especially when the product has an irregular shape, this rotating spray method will have blind spots, making it impossible to accurately test the product's waterproofness.

[0033] Furthermore, the connection between the spray platform 151 and the spray block 150 via a rotating shaft is insufficient to support large and heavy products. Especially during rotational testing, the rotation of large and heavy products poses a significant danger to operators. The spray rod 111 spraying the large and heavy product could potentially push it to the edge of the spray platform 151, and then, as the spray platform 151 rotates, the product could be thrown off, causing injury to personnel and equipment.

[0034] This application discloses a waterproof testing device.

[0035] Figure 2 This is a structural schematic diagram of a waterproof testing device according to an embodiment of this application from a first angle. Figure 3 This is a second-angle structural schematic diagram of a waterproof testing device according to an embodiment of this application. Figure 4 This is a structural schematic diagram of a waterproof testing device according to an embodiment of this application from a third angle. (Refer to...) Figure 2 , Figure 3 and Figure 4The waterproof testing device includes a feeding device 10, a lifting device 20, and multiple spraying devices 30. The feeding device 10 defines a sample placement area and a test area. The sample placement area is used to place the sample on the feeding device 10, and the feeding device 10 is used to move the sample to the test area, which is used to test the sample.

[0036] The lifting device 20 is located above the area to be tested. The lifting device 20 is used to lift the sample to facilitate all-round spraying of the sample. Multiple spraying devices 30 are arranged on both sides of the lifting device 20, and the spraying devices 30 are used to spray the sample from all directions.

[0037] The feeding device 10 includes a first fixed bracket 11, a conveyor belt 12, a translation trolley 13, and a sample rack 14. The first fixed bracket 11 is fixed to the ground. The conveyor belt 12 and the translation trolley 13 are mounted on the first fixed bracket 11. The translation trolley 13 can slide on the first fixed bracket 11. The conveyor belt 12 is connected to the translation trolley 13 to drive the translation trolley 13 to slide on the first fixed bracket 11. The first fixed bracket 11 is typically made of metal, such as stainless steel or aluminum alloy, and has high strength and stability. Its shape can be a frame structure, providing support and a sliding track for the translation trolley 13. The translation trolley 13 generally consists of a body and wheels. The wheels can be rollers with bearings, allowing for flexible sliding on the first fixed bracket 11. The body of the translation trolley 13 can be a steel structure with a certain load-bearing capacity.

[0038] The sample holder 14 is mounted on the translation cart 13 and is used to hold the sample. The sample holder 14 is equipped with an adjustment handwheel 15, which can be used to adjust the sample holder 14 according to the size of the sample. The sample holder 14 can be made of metal or plastic sheet, and its shape can be grid-like or flat. In practical applications, the first fixed support 11 can also be a guide rail structure, with the translation cart 13 sliding on the guide rail via a slider. The sample holder 14 can also be customized according to the shape and size of the sample; for example, for irregularly shaped samples, a sample holder 14 with slots can be designed. The combination of the first fixed support 11, the translation cart 13, and the sample holder 14 allows the sample to move smoothly within the waterproof testing device, preparing it for subsequent testing.

[0039] The spraying device 30 includes a translation device 31 and a robotic arm 32. The translation device 31 includes a slide rail 31a and a sliding member 31b, with the sliding member 31b slidably mounted on the slide rail 31a. The slide rail 31a is generally a strip track made of metal with a smooth surface to reduce sliding resistance.

[0040] The robotic arm 32 is mounted on the sliding member 31b, allowing it to slide linearly along the slide rail 31a. The robotic arm 32 is equipped with a nozzle 33 for spraying the sample. The nozzle 33 can be a high-pressure nozzle, and its shape can be circular or fan-shaped, capable of spraying water at a specific pressure and angle.

[0041] The nozzle 33 is also connected to a water supply device for supplying water to the nozzle 33. A temperature sensor and a pressure sensor are installed at the connection point between the water supply device and the nozzle 33. The temperature sensor measures the temperature of the test water supplied to the nozzle 33 by the water supply device, and the pressure sensor measures the pressure of the test water supplied to the nozzle 33 by the water supply device. Specifically, for IPX9 level waterproof testing, the water supply device typically provides the nozzle 33 with test water at a temperature of 80°C and a pressure of 100 bar.

[0042] When spraying the sample from all directions, the translation device 31 will drive the robotic arm 32 to move back and forth along a straight line. The robotic arm 32 will change the spray angle of the nozzle 33 (e.g., 0°, 30°, 60°, 90°, etc.) to spray the sample from all directions.

[0043] Figure 4 This is a structural schematic diagram of a waterproof testing device from a third angle according to an embodiment of this application. Figure 5 This is a structural schematic diagram of a waterproof testing device according to an embodiment of this application from a fourth angle. Figure 6 yes Figure 5 An enlarged view of area A in the middle. (Refer to...) Figure 4 , Figure 5 and Figure 6 The lifting device 20 includes a second fixed support 21, a lifting mechanism 22, and a lifting frame 23. The second fixed support 21 is fixed to the ground. The lifting mechanism 22 is mounted on the top surface of the second fixed support 21. The lifting frame 23 is connected to the telescopic end of the lifting mechanism 22, and the lifting mechanism 22 drives the lifting frame 23 to move up and down. A ladder 27 is provided on the side of the second fixed support 21, allowing operators to climb to the top of the second fixed support 21 for maintenance and adjustment of the lifting mechanism 22. A railing 28 is provided at the top of the second fixed support 21 to protect the safety of the operators.

[0044] The lifting device 20 also includes multiple gripper cylinders 24, multiple grippers 25, and a connecting member 26. The grippers 25 are slidably mounted on the lifting frame 23. The grippers 25 are connected to the gripper cylinders 24 via the connecting member 26. The telescopic shaft of the gripper cylinders 24 is connected to the lifting frame 23. The gripper cylinders 24 are used to drive the grippers 25 to slide, so as to clamp the sample.

[0045] The second fixed bracket 21 can be made of metal, such as carbon steel, and its structure can be columnar or frame-like. The lifting frame 23 is generally welded from metal rods and can be rectangular frame-like. The gripper cylinder 24 can be a small pneumatic cylinder, and the gripper 25 can be a claw-shaped structure made of metal with an anti-slip surface, such as by adding rubber pads. In some cases, the gripper 25 can also be an electric gripper, driven by a motor to achieve the gripping action, thereby achieving the gripping of the sample. The lifting mechanism 22 can also be replaced by an electric push rod.

[0046] The testing procedure for the waterproof testing device is as follows: S1. The staff places the sample on the sample rack 14 in the sampling area and fixes the sample on the sample rack 14 by adjusting the adjustment handwheel 15.

[0047] S2. The conveyor belt 12 drives the translation vehicle 13 to move, thereby moving the sample holder 14 to the test area.

[0048] S3. The elevator 22 drives the lifting frame 23 to descend to a position close to the sample.

[0049] S4. The gripper cylinder 24 drives the gripper 25 to move in order to grip the sample.

[0050] S5. The elevator 22 drives the lifting frame 23 to rise to a preset height.

[0051] S6. The conveyor belt 12 drives the translation vehicle 13 to move to the lofting area.

[0052] S7. The translation device 31 and the robotic arm 32 drive the nozzle 33 to move so as to spray the sample from all directions.

[0053] S8. After spraying is completed, the conveyor belt 12 drives the translation vehicle 13 to move to the test area.

[0054] S9. The elevator 22 drives the lifting frame 23 to descend until the sample is stably placed on the sample rack 14, and the gripper cylinder 24 drives the gripper 25 to release the sample.

[0055] S10, the conveyor belt 12 drives the translation vehicle 13 to move to the lofting area.

[0056] S11. Open the outer shell of the sample and check the waterproof performance of the sample.

[0057] Waterproof testing equipment mainly employs either a closed structure (such as a sealed chamber) or a rotary spray method. Closed structures are limited by the available space and cannot accommodate large samples (such as car battery packs). While rotary spray systems use an open structure and can accommodate large samples, their reliance on rotating spray platforms to change the spray angle can create blind spots for large or irregularly shaped objects and poses safety hazards (such as heavy objects potentially being thrown out).

[0058] This embodiment adopts an open structure, avoiding space limitations and enabling the accommodation of large samples (such as automotive battery packs, typically 1.4m-1.8m in length, 0.9m-1.5m in width, 0.1m-0.15m in thickness, and weighing ≤500kg). Furthermore, this embodiment utilizes the lifting frame 23 to vertically raise and lower the large sample, while the translation device 31 moves the robotic arm 32 horizontally. The robotic arm 32 then drives the nozzle 33 to rotate in multiple axes, achieving omnidirectional spraying of the large sample.

[0059] The omnidirectional spraying refers to the nozzle 33 covering the entire outer surface of the large sample (including the top surface, bottom surface, four sides and corners) through the following motion parameters.

[0060] The spray angle of the all-round spray is: the robotic arm 32 drives the nozzle 33 to achieve an angle of 0°-180° between the spray direction and the normal of the sample surface (i.e., covering the front view, side view, up view and down view directions).

[0061] The spatial coverage of the all-round spray is as follows: the length of the slide rail 31a is not less than 1.2 times the maximum length of the large sample (for example, for a large sample with a length of 1.8m, the length of the slide rail 31a is ≥2.16m), and the activity radius of the robotic arm 32 is not less than 0.6 times the maximum width of the large sample (for example, for a large sample with a width of 1.5m, the activity radius is ≥0.9m).

[0062] The spray path of the all-round spraying is as follows: the nozzle 33 moves along a preset trajectory (such as an S-shape or a spiral shape), and the distance between adjacent spray paths is no more than 50mm to ensure that there are no dead angles in the spraying.

[0063] The maximum lifting height of the lifting device 20 is 1.5m-2m, ensuring that the bottom of large samples is sprayed. The gripper 25 has a gripping range of 0.5m-2m in length and 0.5m-1.6m in width, accommodating large samples of different sizes. The slide rail 31a has a length of 2.5m-3m, covering the length of large samples for spraying. The robotic arm 32 has an active radius of 1.2m-1.5m and a maximum pitch angle of ±90°, covering the width and height of large samples for spraying. The nozzle 33 sprays test water at a temperature of at least 80℃ and a water pressure of at least 100 bar, meeting the IPX9 testing standard.

[0064] The combination of the lifting frame 23 and the gripper 25 in this embodiment suspends large samples, ensuring that the spray head 33 can spray every part of the large sample. Furthermore, due to the large size and weight of the large samples, there is a risk of the large samples slipping due to centrifugal force during the spraying process in related rotary spraying techniques. However, in this embodiment, the gripper cylinder 24 pushes the gripper 25 to hold the large sample, and the lifting mechanism 22 smoothly lifts the large sample, ensuring its safety. For large samples of different sizes, the operator can also adjust the gripper cylinder 24 to make the gripper 25 hold the large sample more firmly.

[0065] The implementation principle of the waterproof testing device in this application embodiment is as follows: Compared with the related technology of spraying samples from multiple angles by rotating large samples, this application embodiment uses the lifting frame 23 to drive the large sample to rise and fall vertically, the translation device 31 to drive the robotic arm 32 to move horizontally, and the robotic arm 32 to drive the nozzle 33 to rotate in multiple axes to spray the large sample from all directions, ensuring that all parts of the large sample can be fully tested, thus improving the accuracy and reliability of the test; moreover, during the test, the gripper 25 can firmly hold the large sample, preventing the large sample from moving due to spraying, thus improving the safety of the spray test.

[0066] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A waterproof testing device, characterized in that, include: The lifting device (20) includes a lifting frame (23) and a plurality of grippers (25) slidably disposed on the lifting frame (23). The grippers (25) are used to hold the sample, and the lifting frame (23) is used to drive the sample to move up and down in the vertical direction. Multiple spray devices (30) are arranged on both sides of the lifting device (20). Each spray device (30) includes a translation device (31) and a robotic arm (32) arranged on the translation device (31). The robotic arm (32) is equipped with a nozzle (33). The translation device (31) is used to drive the robotic arm (32) to move in the horizontal direction. The robotic arm (32) is used to drive the nozzle (33) to rotate in multiple axes. The sample is lifted and lowered in the vertical direction by the lifting frame (23). The translation device (31) drives the robotic arm (32) to move in the horizontal direction. The robotic arm (32) drives the nozzle (33) to rotate in multiple axes to spray the sample in all directions.

2. The waterproof testing device according to claim 1, characterized in that, The translation device (31) includes a slide rail (31a) and a slider (31b) slidably disposed on the slide rail (31a). The robotic arm (32) is disposed on the slider (31b), and the slider (31b) is used to drive the robotic arm (32) to move along the slide rail (31a).

3. The waterproof testing device according to claim 1, characterized in that, It also includes a water supply device connected to the nozzle (33), the water supply device being used to supply test water to the nozzle (33); a temperature sensor and a pressure sensor are provided at the connection between the water supply device and the nozzle (33), the temperature sensor being used to detect the temperature of the test water, and the pressure sensor being used to detect the water pressure of the test water.

4. The waterproof testing device according to claim 1, characterized in that, The lifting device (20) also includes a second fixed bracket (21), and a lifting machine (22) is provided on the top surface of the second fixed bracket (21). The telescopic end of the lifting machine (22) is connected to the lifting frame (23), and the lifting machine (22) is used to lift the lifting frame (23).

5. The waterproof testing device according to claim 4, characterized in that, The second fixed bracket (21) is provided with a ladder (27) on its side and a railing (28) on its top surface.

6. The waterproof testing device according to claim 1, characterized in that, The lifting device (20) also includes multiple gripper cylinders (24) and multiple connectors (26). The gripper cylinders (24) are connected to the grippers (25) through the connectors (26). The telescopic end of the gripper cylinders (24) is connected to the lifting frame (23). The gripper cylinders (24) are used to drive the grippers (25) to hold the sample.

7. The waterproof testing device according to claim 1, characterized in that, It also includes a feeding device (10), which includes a first fixed bracket (11), a translation cart (13) and a sample holder (14). The translation cart (13) is slidably disposed on the first fixed bracket (11), and the sample holder (14) is disposed on the translation cart (13). The sample holder (14) is used to place the sample.

8. The waterproof testing device according to claim 7, characterized in that, The sample holder (14) is provided with multiple adjustment handwheels (15), which are used to adjust the sample holder (14) to fix the sample.

9. The waterproof testing device according to claim 7, characterized in that, The first fixed support (11) is provided with a conveyor belt (12), which is used to push the translation vehicle (13) to slide on the first fixed support (11).

10. The waterproof testing device according to claim 7, characterized in that, The first fixed bracket (11) is defined with a sample placement area and a test area; wherein, when the translation vehicle (13) is located in the sample placement area, the sample is placed on the sample rack (14), and when the translation vehicle (13) is located in the test area, the lifting device (20) clamps and lifts the sample.

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