Supporting platform for automobile NVH (Noise Vibration and Harshness) test

Abstract

The utility model discloses a supporting platform used for an automobile NVH test, and relates to the technical field of supporting platforms, and the supporting platform used for the automobile NVH test comprises a bearing box; a plurality of springs are welded to the inner side of the bearing box, the other ends of the springs are welded to a bearing plate, a buckle is welded to the bearing plate, a clamping plate is clamped to the buckle, and the clamping plate is movably connected to the bearing plate through a rotating shaft; the bearing box is movably connected with an upper cover through a rotating shaft, and a video monitor is embedded in the inner wall of the upper cover. The springs on the inner side of the bearing box can support the bearing plate, so that vibration generated by the gearbox can be conveniently detected by the vibration monitor, the clamping plate is movably connected with the bearing plate through the rotating shaft and is matched with the buckle to be locked, the gearbox is conveniently fixed, and after the bearing box and the upper cover are closed and locked, a certain closed space is formed to isolate sound on the outer side. Therefore, the NVH of the gearbox can be conveniently detected.

Description

Technical Field

[0001] The utility model specifically relates to the technical field of support platforms, and specifically is a support platform for automotive NVH testing. Background Technique

[0002] The English abbreviation of Noise, Vibration, and Harshness. This is a comprehensive issue for measuring the manufacturing quality of automobiles, and the feelings it gives to automobile users are the most direct and surface. The NVH problem of vehicles is one of the concerns of major vehicle manufacturing enterprises and parts enterprises in the international automotive industry. Statistical data shows that about 1 / 3 of the failure problems of the whole vehicle are related to the NVH problem of the vehicle, and nearly 20% of the R & D expenses of major companies are consumed in solving the NVH problem of the vehicle.

[0003] Traditional automotive NVH testing is usually carried out on a test vehicle by installing noise and vibration detection devices for detection. However, there are also other devices on the test vehicle that generate certain vibrations and noises, resulting in inaccurate NVH detection of the transmission. For this reason, we provide a support platform for automotive NVH testing. By fixing the transmission in the bearing box and forming a closed space after closing the upper cover, it is convenient to isolate the external noise and easier to detect the NVH of the internal transmission, thus effectively making up for the above problems. Content of the Utility Model

[0004] The purpose of the utility model is to provide a support platform for automotive NVH testing to solve the problems raised in the background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A support platform for automotive NVH testing, including a bearing box; a plurality of springs are welded inside the bearing box, and the other ends of the plurality of springs are welded to a bearing plate. The bearing plate is welded with a buckle. Secondly, a clamping plate is clamped on the buckle, and the clamping plate is movably connected to the bearing plate through a rotating shaft; the upper cover of the bearing box is movably connected through a rotating shaft, and a video monitor is embedded on the inner wall of the upper cover.

[0007] As a further technical solution of the utility model, a noise monitor and a temperature sensor are fixed on the inner wall of the bearing box through bolts, and an information transmission component is cooperatively installed on the outer wall of the bearing box.

[0008] As a further technical solution of the utility model, the information transmission component is electrically connected to a vibration monitor, a noise monitor, and a temperature sensor.

[0009] As a further technical solution of the present utility model, a vibration monitor is fixedly mounted on the bearing plate by bolts.

[0010] As a further technical solution of the present utility model, one side of the bearing box is movably connected with an opening and closing cylinder through a rotating shaft, and the push rod of the opening and closing cylinder is movably connected with the upper cover through a rotating shaft.

[0011] As a further technical solution of the present utility model, the upper cover and the bearing box are locked by means of a snap lock.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. In the present utility model, the spring inside the bearing box can support the bearing plate, so as to facilitate the vibration monitor to detect the vibration generated by the gearbox. The clamping plate is movably connected with the bearing plate through a rotating shaft and is locked in cooperation with the buckle, so as to facilitate the fixation of the gearbox. After the bearing box and the upper cover are closed and locked, a certain closed space is formed to isolate the external sound, so as to facilitate the detection of the NVH of the gearbox.

[0014] 2. In the present utility model, the video monitor inside is convenient for observing the state of the gearbox, the temperature sensor detects the temperature generated by the gearbox, and the vibration monitor and noise monitor inside detect the NVH of the gearbox, and the generated data are all transmitted through the information transmission component.

[0015] 3. In the present utility model, since the opening and closing cylinder is movably connected with the bearing box through a rotating shaft, and the push rod of the opening and closing cylinder is movably connected with the upper cover through a rotating shaft, power is provided for the opening and closing of the upper cover, and the snap lock plays a locking role. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a three-dimensional structural schematic diagram of the present utility model.

[0017] Figure 2 is another perspective schematic diagram of the present utility model Figure 1

[0018] Figure 3 is the right view of the present utility model Figure 1

[0019] Figure 4 is the sectional view taken along the line A-A of the present utility model Figure 3

[0020] In the figure: 1 - bearing box, 2 - snap lock, 3 - upper cover, 4 - opening and closing cylinder, 5 - video monitor, 6 - vibration monitor, 7 - noise monitor, 8 - spring, 9 - bearing plate, 10 - buckle, 11 - clamping plate, 12 - temperature sensor, 13 - information transmission component. DETAILED DESCRIPTION OF THE EMBODIMENTS​​​

[0021] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0022] Please refer to Figures 1-4 In the embodiment of the present invention, a support platform for automotive NVH testing includes a bearing box 1; a plurality of springs 8 are welded inside the bearing box 1, and the other ends of the plurality of springs 8 are welded to a bearing plate 9, and a buckle 10 is welded to the bearing plate 9. Secondly, a clamping plate 11 is clamped on the buckle 10, and the clamping plate 11 is movably connected to the bearing plate 9 through a rotating shaft; an upper cover 3 is movably connected to the bearing box 1 through a rotating shaft, and a video monitor 5 is embedded on the inner wall of the upper cover 3.

[0023] By adopting the above technical solution, the springs 8 inside the bearing box 1 can support the bearing plate 9, so that the vibration monitor 6 can conveniently detect the vibration generated by the gearbox. The clamping plate 11 is movably connected to the bearing plate 9 through a rotating shaft and cooperates with the buckle 10 for locking, so as to facilitate the fixation of the gearbox. After the bearing box 1 and the upper cover 3 are closed and locked, a certain sealed space is formed to isolate the external sound, so as to facilitate the detection of the NVH of the gearbox.

[0024] In this embodiment, a noise monitor 7 and a temperature sensor 12 are fixed to the inner wall of the bearing box 1 by bolts, and an information transmission component 13 is installed on the outer wall of the bearing box 1 in cooperation.

[0025] Furthermore, the information transmission component 13 is electrically connected to the vibration monitor 6, the noise monitor 7 and the temperature sensor 12.

[0026] Furthermore, a vibration monitor 6 is fixed to the bearing plate 9 by bolts.

[0027] By adopting the above technical solution, the video monitor 5 inside is convenient for observing the state of the gearbox, the temperature sensor 12 detects the temperature generated by the gearbox, and the vibration monitor 6 and the noise monitor 7 inside detect the NVH of the gearbox, and the generated data are all transmitted through the information transmission component 13.

[0028] In this embodiment, an opening and closing cylinder 4 is movably connected to one side of the bearing box 1 through a rotating shaft, and the push rod of the opening and closing cylinder 4 is movably connected to the upper cover 3 through a rotating shaft.

[0029] Furthermore, the upper cover 3 and the bearing box 1 are locked in cooperation through a snap lock 2.

[0030] By adopting the above technical solution, since the opening and closing cylinder 4 is movably connected to the carrying box 1 through a rotating shaft, and the push rod of the opening and closing cylinder 4 is movably connected to the upper cover 3 through a rotating shaft, power is provided for the opening and closing of the upper cover 3, and the snap lock 2 plays a locking effect.

[0031] The working principle of the present utility model is as follows: during use, the spring 8 inside the carrying box 1 can support the carrying plate 9, so that it is convenient for the vibration monitor 6 to detect the vibration generated by the gearbox. The clamping plate 11 is movably connected to the carrying plate 9 through a rotating shaft and is locked in cooperation with the buckle 10, so as to facilitate the fixation of the gearbox. After the carrying box 1 and the upper cover 3 are closed and locked, a certain sealed space is formed to isolate the external sound, thus facilitating the detection of the NVH of the gearbox; the video monitor 5 inside is convenient for observing the state of the gearbox, the temperature sensor 12 detects the temperature generated by the gearbox, and the vibration monitor 6 and the noise monitor 7 inside detect the NVH of the gearbox, and the generated data are all transmitted through the information transmission component 13; since the opening and closing cylinder 4 is movably connected to the carrying box 1 through a rotating shaft, and the push rod of the opening and closing cylinder 4 is movably connected to the upper cover 3 through a rotating shaft, power is provided for the opening and closing of the upper cover 3, and the snap lock 2 plays a locking effect.

[0032] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and without departing from the spirit or basic characteristics of the present utility model, the present utility model can be implemented in other specific forms. Therefore, in any regard, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, it is intended to embrace all changes falling within the meaning and scope of the equivalent elements of the claims in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.

[0033] In addition, it should be understood that although this specification is described according to the embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A support platform for automobile NVH testing, characterized in that: The invention comprises a carrying box (1); a plurality of springs (8) are welded on the inner side of the carrying box (1), and the other ends of the plurality of springs (8) are welded on a carrying plate (9), and a buckle (10) is welded on the carrying plate (9); a clamping plate (11) is clamped on the clamping plate (10), and the clamping plate (11) is movably connected to the carrying plate (9) via a rotating shaft; an upper cover (3) is movably connected to the carrying box (1) via a rotating shaft, and a video monitor (5) is embedded on the inner wall of the upper cover (3).

2. A support platform for automobile NVH testing according to claim 1, characterized in that: A noise monitor (7) and a temperature sensor (12) are fixed to the inner wall of the carrying box (1) by means of bolts, and an information transmission component (13) is mounted on the outer wall of the carrying box (1).

3. A support platform for automobile NVH testing according to claim 2, characterized in that: The information transmission component (13) is electrically connected to the vibration monitor (6), the noise monitor (7) and the temperature sensor (12).

4. A support platform for automobile NVH testing according to claim 1, characterized in that: A vibration monitor (6) is fixed on the bearing plate (9) by means of bolts.

5. The supporting platform for automobile NVH testing according to claim 1, characterized in that: One side of the carrying box (1) is movably connected to an opening and closing cylinder (4) via a rotating shaft, and a push rod of the opening and closing cylinder (4) is movably connected to an upper cover (3) via a rotating shaft.

6. A support platform for automobile NVH testing according to claim 5, characterized in that: The upper cover (3) and the carrying box (1) are locked together by means of a snap lock (2).

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