Automobile part wading performance testing device

Abstract

The utility model provides an automobile part wading performance testing device, which comprises a box body, a water storage bag, a turntable, a driving part and a vibration part, an opening is arranged at the bottom of the box body, and the water storage bag is arranged in the box body; the rotating shaft is rotatably inserted into the top of the box body; the lower end of the rotating shaft extends into the water storage bag; the turntable is arranged at the lower part in the water storage bag, and the upper surface of the turntable is fixedly connected with the lower end of the rotating shaft; the driving part is connected with the upper end of the rotating shaft for driving the rotating shaft to rotate; the vibration part penetrates through the opening from the outside of the box body to make contact with the bottom of the water storage bag and press the rotary disc. The driving part is used for driving the tested piece to rotate, so that the tested piece and water generate relative motion to simulate water flow impact. The vibration component is used for providing vibration excitation for the tested piece and simulating vibration caused by a bumpy road surface and operation of a motor or an engine. The test device can simulate the problem of insufficient waterproof performance caused by vibration caused by road conditions and self-driving in the dynamic and static wading process of the vehicle.

Description

Technical Field

[0001] This utility model belongs to the field of automotive parts testing technology, and more specifically, relates to a device for testing the water wading performance of automotive parts. Background Technology

[0002] Currently, most waterproof performance tests for automotive parts are formulated based on the requirements of the GB4208-2017 standard. The waterproof performance section considers splashing, spraying, and static immersion for short and long periods of time. However, the actual working conditions are much more complex. For example, high-voltage parts and their connecting harnesses located outside the cabin of new energy vehicles are subject to water flow impacts at different speeds (through puddles, mud pits, or off-road wading), bumpy roads, and vibrations from the operation of the vehicle's motor or engine. In such cases, static immersion may not meet the actual requirements, leading to various problems.

[0003] Existing testing equipment can only simulate static immersion conditions of automotive parts under vibration or dynamic immersion conditions under non-vibration conditions. It cannot simulate the combined conditions of dynamic immersion and vibration, which will lead to a longer test cycle and incomplete verification. Utility Model Content

[0004] The purpose of this invention is to provide a testing device for the water immersion performance of automotive parts, which solves the problem that existing testing devices cannot simulate dynamic immersion and vibration conditions.

[0005] To achieve the above objectives, this utility model provides a device for testing the water wading performance of automotive components, comprising:

[0006] The box body has an opening at the bottom;

[0007] A water storage bag is disposed inside the box;

[0008] A rotating shaft is rotatably inserted into the top of the box, and the lower end of the rotating shaft extends into the water storage bag;

[0009] A turntable is disposed in the lower part of the water storage bag, and the upper surface of the turntable is fixedly connected to the lower end of the rotating shaft. The turntable is used to support the test specimen.

[0010] A driving component, which is connected to the upper end of the rotating shaft, is used to drive the rotating shaft to rotate;

[0011] A vibrating component extends from the outside of the housing through the opening and contacts the bottom of the water storage bag, pressing against the turntable.

[0012] Optionally, the vehicle component wading performance testing device also includes:

[0013] A support platform is provided, the platform is located above the housing, the platform is connected to multiple support legs, and the driving component is provided on the upper surface of the platform.

[0014] Optionally, the turntable includes:

[0015] The upper plate is connected to the rotating shaft and is used to support the test specimen;

[0016] Mid-game;

[0017] The lower plate is rotatably connected to the middle plate via a thrust bearing;

[0018] Multiple compression springs are provided, and the middle plate is connected to the upper plate via the multiple compression springs.

[0019] Optionally, the rotating shaft is connected to the turntable via a shock-absorbing component.

[0020] Optionally, the shock-absorbing component includes:

[0021] A connecting rod, the upper end of which is connected to the lower end of the rotating shaft;

[0022] A connecting plate, which is fixedly connected to the lower end of the connecting rod;

[0023] Multiple shock-absorbing springs are provided, and the connecting plate and the turntable are connected by the multiple shock-absorbing springs.

[0024] Optionally, the connecting rod is connected to the rotating shaft via a vibration-damping coupling.

[0025] Optionally, the turntable is provided with a tooling fixture for fixing the test specimen.

[0026] Optionally, the vibration component can be detachably connected to the housing.

[0027] Optionally, the vehicle component wading performance testing device also includes:

[0028] A vibration sensor is disposed between the water storage bag and the box body to measure the vibration of the test specimen.

[0029] A rotational speed sensor is disposed on the rotating shaft and is used to measure the rotational speed of the test piece.

[0030] Optionally, the vehicle component wading performance testing device also includes:

[0031] The control unit is connected to the drive component, the vibration component, the vibration sensor, and the speed sensor, and is used to control the speed of the drive component, control the vibration magnitude of the vibration component, receive measurement data from the vibration sensor, and receive measurement data from the speed sensor.

[0032] The beneficial effects of this utility model are as follows: It provides a water-wading performance testing device for automotive parts, including a driving component and a vibration component. The driving component is used to rotate the test piece, causing relative motion between the test piece and water to simulate water flow impact. The vibration component is used to provide vibration excitation to the test piece, simulating the vibration caused by bumpy road surfaces and the operation of a motor or engine. This testing device can simulate the problem of insufficient waterproof performance caused by road conditions and vibrations due to the vehicle's own drive during dynamic and static water wading. It has the advantages of small setup space, low cost, simple structure, convenient operation, and easy disassembly and replacement. It fills the current gap in the industry for this type of testing.

[0033] Other features and advantages of this invention will be described in detail in the following detailed description section. Attached Figure Description

[0034] The above and other objects, features and advantages of the present invention will become more apparent from the accompanying drawings, in which like reference numerals generally represent like parts.

[0035] Figure 1 A schematic structural diagram of a vehicle component water wading performance testing device according to an embodiment of the present invention is shown.

[0036] Figure 2 A schematic structural diagram of a turntable according to an embodiment of the present invention is shown.

[0037] Figure 3 A schematic structural diagram of a shock-absorbing component and a vibration-damping coupling according to an embodiment of the present invention is shown.

[0038] Explanation of reference numerals in the attached figures:

[0039] 1. Box body;

[0040] 2. Water storage bag;

[0041] 3. Shaft;

[0042] 4. Turntable; 41. Upper plate; 42. Middle plate; 43. Lower plate; 44. Compression spring; 45. Thrust bearing.

[0043] 5. Drive components;

[0044] 6. Vibrating components;

[0045] 7. Support platform; 71. Tabletop; 72. Support legs;

[0046] 8. Shock-absorbing components; 81. Connecting rod; 82. Connecting disc; 83. Shock-absorbing spring;

[0047] 9. Vibration damping coupling. Detailed Implementation

[0048] Preferred embodiments of the present invention will now be described in more detail. While preferred embodiments of the present invention are described below, it should be understood that the present invention can be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided to make the present invention more thorough and complete, and to fully convey the scope of the present invention to those skilled in the art.

[0049] like Figure 1 As shown, this embodiment provides a device for testing the water wading performance of automotive components, including:

[0050] Box 1, with an opening at the bottom;

[0051] Water storage bag 2 is installed inside the box 1;

[0052] The rotating shaft 3 is rotatably inserted into the top of the box 1, and the lower end of the rotating shaft 3 extends into the water storage bag 2.

[0053] Turntable 4 is located in the lower part of the water storage bag 2. The upper surface of turntable 4 is fixedly connected to the lower end of the rotating shaft 3. Turntable 4 is used to support the test specimen.

[0054] Drive component 5 is connected to the upper end of rotating shaft 3 and is used to drive rotating shaft 3 to rotate;

[0055] Vibrating component 6 passes through the opening outside the housing 1 and contacts the bottom of the water storage bag 2, pressing against the turntable 4.

[0056] In practice, the test specimen is fixed on the turntable 4, and water is injected into the water storage bag 2 to a certain height, so that the test specimen is fully or partially submerged in water. The drive component 5 and the vibration component 6 are then activated. The drive component 5 rotates the test specimen, causing relative motion between the test specimen and the water to simulate the impact of water flow. The vibration component 6 causes the turntable 4 and the test specimen to resonate, simulating the vibration caused by a bumpy road surface and the operation of a motor or engine. This test device can simulate the problem of insufficient waterproof performance caused by vibration due to underwater road conditions and its own driving force during dynamic and static wading of vehicles. It has the advantages of small setup space, low cost, simple structure, convenient operation, and easy disassembly and replacement. It fills the current gap in the industry for this type of testing.

[0057] In this embodiment, the outer surface of the tank 1 is provided with a reinforcing rib structure to ensure that the tank 1 will not deform due to increased internal water pressure changes. Support feet are installed at the bottom of the tank 1, and the support feet are equipped with lockable anti-slip wheels or rubber pads. The lockable anti-slip wheels facilitate the movement of the tank 1, while the rubber pads provide shock absorption, reduce noise, and extend the service life of the tank 1. The water storage bag 2 is made of high-density waterproof material, making it sturdy and durable. The sides of the tank 1 and the water storage bag 2 are provided with water inlets and outlets for water filling and drainage. The drive component 5 and the vibration component 6 are existing technologies, and their specific structures and working principles are not described in detail.

[0058] Optionally, the vehicle component wading performance testing device also includes:

[0059] The support platform 7 has a table 71, which is located above the box 1. The table 71 is connected to multiple support legs 72, and the drive component 5 is located on the upper surface of the table 71.

[0060] In this embodiment, there are four support legs 72. The support legs 72 are connected to the ground and adopt a sleeve form with an internal vibration damping structure. The height is adjusted by limiting pins for easy disassembly. The specific dimensions of the support platform 7 can be set according to the dimensions of the box 1 and the experimental requirements.

[0061] like Figure 2 As shown, optionally, turntable 4 includes:

[0062] Upper plate 41 is connected to the rotating shaft 3 and is used to support the test specimen;

[0063] Mid-game 42;

[0064] The lower plate 43 is rotatably connected to the middle plate 42 via a thrust bearing 45.

[0065] Multiple compression springs 44 are used to connect the middle plate 42 to the upper plate 41.

[0066] Specifically, the compression spring 44 installed between the upper plate 41 and the middle plate 42 provides elastic force to press the turntable 4 against the vibrating component, thus ensuring more complete vibration transmission. A thrust bearing 45 is installed between the middle plate 42 and the lower plate 43, so that the lower plate 43 remains stationary when the upper plate 41 and the middle plate 42 rotate, preventing the water storage bag 2 from twisting.

[0067] Optionally, the rotating shaft 3 and the turntable 4 are connected by a shock-absorbing component 8.

[0068] Specifically, the damping component 8 can reduce the excitation of the vibration component 6 transmitted to the drive component 5 through the rotating shaft 3, which could cause the internal structure of the drive component 5 to loosen and be damaged.

[0069] like Figure 3As shown, preferably, the shock-absorbing component 8 includes:

[0070] Connecting rod 81, the upper end of which is connected to the lower end of rotating shaft 3;

[0071] Connecting plate 82 is fixedly connected to the lower end of connecting rod 81;

[0072] Multiple shock-absorbing springs 83 are used to connect the connecting plate 82 and the turntable 4.

[0073] Optionally, the connecting rod 81 is connected to the rotating shaft 3 via a vibration damping coupling 9.

[0074] Specifically, the vibration damping coupling 9 serves two purposes: it provides a connection and it further reduces the vibration transmitted to the drive component 5. The vibration damping coupling 9 is existing technology, and its specific structure and working principle will not be described in detail.

[0075] Optionally, the turntable 4 is equipped with tooling fixtures for fixing the test specimen.

[0076] Specifically, the specific structure of the tooling fixture can be selected according to different test specimens.

[0077] Optionally, the vibration component 6 can be detachably connected to the housing 1.

[0078] Specifically, the vibration component 6 is detachable and installable, enabling the testing device to simulate dynamic immersion conditions under vibration conditions, dynamic immersion conditions under non-vibration conditions, and static immersion conditions by turning off the drive component 5.

[0079] Optionally, the vehicle component wading performance testing device also includes:

[0080] A vibration sensor is installed between the water storage bag 2 and the box 1 to measure the vibration of the test specimen.

[0081] A rotational speed sensor is installed on the rotating shaft 3 to measure the rotational speed of the test piece.

[0082] Optionally, the vehicle component wading performance testing device also includes:

[0083] The control unit is connected to the drive component 5, the vibration component 6, the vibration sensor, and the speed sensor. It is used to control the speed of the drive component 5, control the vibration magnitude of the vibration component 6, and receive measurement data from the vibration sensor and the speed sensor.

[0084] Specifically, the automotive component immersion performance testing device can perform both static and dynamic immersion tests. Static immersion simply requires fixing the test piece and adding water to the desired height. Under dynamic conditions, the control unit controls the drive component 5 and collects the rotational speed and vibration frequency of the test piece. The housing 1 houses a vibration sensor, and the rotating shaft 3 is equipped with a speed sensor. Interactive control is achieved by collecting and controlling the signals through a side-mounted control unit. This solves the problem of composite verification and saves time.

[0085] The various embodiments of the present invention have been described above. These descriptions are exemplary and not exhaustive, nor are they limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A device for testing the water wading performance of automotive parts, characterized in that, include: Box (1), the bottom of which is provided with an opening; Water storage bag (2), the water storage bag (2) is disposed inside the box (1); A rotating shaft (3) is rotatably inserted into the top of the box (1), and the lower end of the rotating shaft (3) extends into the water storage bag (2); Turntable (4), the turntable (4) is disposed in the lower part of the water storage bag (2), the upper surface of the turntable (4) is fixedly connected to the lower end of the rotating shaft (3), and the turntable (4) is used to carry the test specimen; A driving component (5) is connected to the upper end of the rotating shaft (3) and is used to drive the rotating shaft (3) to rotate. Vibrating component (6) passes through the opening outside the box (1) and contacts the bottom of the water storage bag (2) and presses against the turntable (4).

2. The water wading performance testing device for automotive parts according to claim 1, characterized in that, Also includes: A support platform (7) is provided with a platform (71), the platform is located above the box (1), the platform (71) is connected to a plurality of support legs (72), and the driving component (5) is provided on the upper surface of the platform (71).

3. The water wading performance testing device for automotive parts according to claim 1, characterized in that, The turntable (4) includes: Upper plate (41), which is connected to the rotating shaft (3) and is used to carry the test specimen; Mid-game (42); The lower plate (43) is rotatably connected to the middle plate (42) via a thrust bearing (45); Multiple compression springs (44) are provided, and the middle plate (42) is connected to the upper plate (41) via the multiple compression springs (44).

4. The water wading performance testing device for automotive parts according to claim 1, characterized in that, The rotating shaft (3) is connected to the turntable (4) via a shock-absorbing component (8).

5. The water wading performance testing device for automotive parts according to claim 4, characterized in that, The shock-absorbing component (8) includes: A connecting rod (81), the upper end of which is connected to the lower end of the rotating shaft (3); A connecting plate (82) is fixedly connected to the lower end of the connecting rod (81); Multiple shock-absorbing springs (83) are provided, and the connecting plate (82) and the turntable (4) are connected by the multiple shock-absorbing springs (83).

6. The water wading performance testing device for automotive parts according to claim 5, characterized in that, The connecting rod (81) is connected to the rotating shaft (3) via a vibration damping coupling (9).

7. The water wading performance testing device for automotive parts according to claim 1, characterized in that, The turntable (4) is equipped with a tooling fixture, which is used to fix the test piece.

8. The water wading performance testing device for automotive parts according to claim 1, characterized in that, The vibration component (6) is detachably connected to the housing (1).

9. The water wading performance testing device for automotive parts according to claim 1, characterized in that, Also includes: A vibration sensor is disposed between the water storage bag (2) and the box (1) to measure the vibration of the test specimen; A rotational speed sensor is disposed on the rotating shaft 3 and is used to measure the rotational speed of the test piece.

10. The water wading performance testing device for automotive parts according to claim 9, characterized in that, Also includes: The control unit is connected to the drive component (5), the vibration component (6), the vibration sensor and the speed sensor, and is used to control the speed of the drive component (5), control the vibration magnitude of the vibration component (6), receive the measurement data from the vibration sensor and the measurement data from the speed sensor.

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