Gearbox running-in test damping and noise reduction structure

Abstract

The utility model discloses a gear box running test is with shock attenuation and noise reduction structure, it includes: base, base shock attenuation rubber pad, support platform board, box frame rubber pad, box frame, heat dissipation fan, base and support platform board all be the plate metal component, and base shock attenuation rubber pad is established between base and support platform board, and base and support platform board are fixedly connected with base shock attenuation rubber pad through rubber screw respectively, box frame is established in the upper end surface of support platform board, and box frame rubber pad is clamped between support platform board and box frame, and the upper end of box frame is equipped with vertical fence, and the front and back two sides of vertical fence are hinged first cover board and second cover board respectively, and the inboard wall of vertical fence, first cover board and second cover board all is equipped with sound insulation cotton, heat dissipation fan is established in the top of vertical fence, gear box is in the running test in box frame, and sound insulation cotton reduces the running noise, and box frame rubber pad and heat dissipation fan reduce the heat in box frame.

Claims

1. A vibration damping and noise reduction structure for gearbox running-in testing, comprising: The components are: a base (1), a base shock-absorbing rubber pad (2), a support plate (3), a box frame rubber pad (4), a box frame, and a cooling fan (6); characterized in that: the base (1) and the support plate (3) are both plate-shaped metal components, the base shock-absorbing rubber pad (2) is located between the base (1) and the support plate (3), and the base (1) and the support plate (3) are fixedly connected to the base shock-absorbing rubber pad (2) by rubber screws; the box frame is located on the upper surface of the support plate (3), and the box frame rubber pad (4) is clamped on the support plate. Between the support plate (3) and the frame; the upper end of the frame is provided with a vertical enclosure (52), the front and rear sides of the vertical enclosure (52) are respectively hinged with a first cover plate (53) and a second cover plate (54), the inner side walls of the vertical enclosure (52), the first cover plate (53) and the second cover plate (54) are all provided with sound insulation cotton; the cooling fan (6) is located on the top of the vertical enclosure (52); the gearbox is tested in the frame, the sound insulation cotton reduces the running noise, the frame rubber pad (4) and the cooling fan (6) reduce the heat in the frame.

2. The vibration damping and noise reduction structure for gearbox running-in test according to claim 1, characterized in that: The base (1) has a base screw groove (11) at each of its four corners and at its center, and the lower end face of the base screw groove (11) has a base nut countersunk hole.

3. The vibration damping and noise reduction structure for gearbox running-in test according to claim 2, characterized in that: The base shock-absorbing rubber pad (2) is an I-shaped component. The center of the upper end face of the base shock-absorbing rubber pad (2) and the four corners of the rubber pad are provided with rubber pad positioning convex circles (21). The center of each of the five rubber pad positioning convex circles (21) is provided with rubber pad threaded holes (22). The axis of the five rubber pad threaded holes (22) can correspond to the five base screw grooves (11) of the base. The base (1) is fixed to the lower end face of the base shock-absorbing rubber pad (2) by base rubber screws.

4. The vibration damping and noise reduction structure for gearbox running-in test according to claim 3, characterized in that: The support plate (3) is provided with five support screw through holes (31). The bottom of the support screw through holes (31) is provided with a plate positioning countersunk hole. The rubber pad positioning convex circle (21) can be fitted into the plate positioning countersunk hole. The support screw through holes (31) can correspond to the five rubber pad threaded holes (22). The support plate (3) is fixed to the upper end face of the base shock-absorbing rubber pad (2) by the plate rubber screw.

5. The vibration damping and noise reduction structure for gearbox running-in test according to claim 4, characterized in that: The shock-absorbing pad (2) of the base is made of latex styrene-butadiene rubber.

6. The vibration damping and noise reduction structure for gearbox running-in test according to claim 5, characterized in that: The box frame pad (4) is made of silicone rubber.

7. The vibration damping and noise reduction structure for gearbox running-in test according to claim 6, characterized in that: The upper end of the frame is provided with a vertical enclosure (52); the left and right sides of the vertical enclosure (52) are respectively provided with a first load shaft through hole (521) and a second load shaft through hole (522); the center lines of the first load shaft through hole (521) and the second load shaft through hole (522) are on the same straight line, and the side of the first load shaft through hole (521) is provided with a first dustproof brush strip (523); the side of the second load shaft through hole (522) is provided with a second dustproof brush strip (524).

8. The vibration damping and noise reduction structure for gearbox running-in test according to claim 7, characterized in that: The upper end of the first cover plate (53) is connected to the front side above the vertical enclosure plate (52) via the first hinge (526), ​​and the inner side of the first cover plate (53) is provided with a second sound insulation cotton (531); the upper end of the second cover plate (54) is connected to the rear side above the vertical enclosure plate (52) via the second hinge (527); the inner side of the second cover plate (54) is provided with a third sound insulation cotton (541), the side facade of the second cover plate (54) is provided with a third load shaft through hole (542), and the side facade of the third load shaft through hole (542) is provided with a third dustproof brush strip (543).

9. The vibration damping and noise reduction structure for gearbox running-in test according to claim 8, characterized in that: The vertical enclosure (52) is also provided with a heat dissipation cavity (57) at the top, and an exhaust mesh hole (58) is provided at the top of the heat dissipation cavity (57). A dustproof plate (59) is provided below the heat dissipation cavity (57). There are 3 heat dissipation fans (6), and the 3 heat dissipation fans (6) are located above the dustproof plate (59).

10. The vibration damping and noise reduction structure for gearbox running-in test according to claim 9, characterized in that: A fan switch (7) is also provided on one side of the top of the vertical enclosure (52), which controls the start and stop of three cooling fans (6).

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