Unlock instant, AI-driven research and patent intelligence for your innovation.

Gear box sound insulation test model

A test model and gearbox technology, applied in the field of gearboxes, can solve the problems of vibration, noise pollution, vibration and noise in the transmission system, and achieve the effect of reducing research and development costs, manufacturing costs, and materials used in the later stage.

Active Publication Date: 2020-08-07
QINGYAN NEW ENERGY VEHICLE ENG CENT (XIANGYANG) CO LTD +2
View PDF9 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the structural characteristics of the gears, there are inevitably fluctuations and errors in the meshing stiffness of the gears during the meshing process, which causes the transmission system to vibrate and is transmitted to the box through the bearings, which not only affects the overall performance of the system, but also generates vibration noise.
Vibration noise will not only cause industrial noise pollution but also affect the concealment of some ships or vehicles
[0003] In order to solve the above problems, in addition to increasing the transmission accuracy, it is also possible to add a sealed material outside the gearbox to perform silent shock absorption. Since many marine gearboxes are relatively large in scale, it is difficult to directly test the existing gearboxes. Performance tests It occupies a very important position in the whole development process of the gearbox. For this reason, there must be a suitable test model to test it, which has guiding significance for the subsequent sound insulation research of the gearbox.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Gear box sound insulation test model
  • Gear box sound insulation test model
  • Gear box sound insulation test model

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Embodiment 1, a gear box sound insulation test model of the present invention, including the simulated upper case 1, the simulated lower case 2 and the sound insulation material 3 respectively used for simulating the upper case 1 and the simulated lower case 2 for sound insulation, the sound insulation material 3 Using the existing technology, fillers such as sound-proof cotton and sound-proof boards can be used. The upper case flange 4 of the simulated upper case 1 cooperates with the lower case flange 5 of the simulated lower case 2 to form a simulated gear case, and the upper case flange 4 and the lower case flange 5 are respectively simulated upper case 1 The product that is used as a reference during processing with the simulated lower box body 2 is formed by protruding a part outward, and a joint surface between the simulated upper box body 1 and the simulated lower box body 2 is formed between the two, which belongs to the existing technology. Those skilled in th...

Embodiment 2

[0031] Embodiment 2. The difference between this embodiment and Embodiment 1 is that the sound-insulating material 3 in this embodiment includes a sphere and a sound-insulating liquid filled inside the sphere, and the sphere is made of a flexible material. The sphere in this embodiment The diameter can be theoretically infinitely small. The sphere is preferably made of latex or gel material, such as the existing edible water polo, and the outer film is made of a gel-like compound made of sodium alginate and calcium chloride. It can be wrapped in the outer layer of water, and the relevant manufacturing technology belongs to the prior art, so it will not be repeated here.

[0032] In this embodiment, the thickness of the sphere is 0.1-0.6 mm, the diameter of the sphere is 2-10 mm, preferably 5 mm, the sound-insulating liquid is water, and the related injection method is similar to the method of injecting water into a balloon , and can be directly socketed for sealing or welded f...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
Thicknessaaaaaaaaaa
Diameteraaaaaaaaaa
Login to View More

Abstract

The invention relates to a gear box sound insulation test model. The gear box sound insulation test model comprises a simulation upper box body, a simulation lower box body and sound insulation materials used for sound insulation of the simulation upper box body and the simulation lower box body. The upper box flange of the simulation upper box body is matched with the lower box flange of the simulation lower box body to form a simulation gear box body; an upper contour plate extends outwards along the outer contour line of the simulation upper box body; an upper shell is arranged in an area defined by the upper box flange and the upper contour plate in an inward-outward offset mode. A lower contour plate extends outwards along the outer contour line of the simulation lower box body; by changing the thickness of the sound insulation layer of the model, various sound insulation conditions can be tested respectively, so that the device has guiding significance for subsequent sound insulation research of the gear box.

Description

technical field [0001] The invention belongs to the technical field of gear boxes, and in particular relates to a gear box sound insulation test model. Background technique [0002] The gearbox is an important transmission device in various power transmission systems, and the performance of the gearbox will directly affect the performance of the entire transmission system; especially the performance of the marine gearbox with clutch, deceleration and forward and reverse functions directly affects the Maneuvering and shipping safety of the entire ship transmission system. Due to the structural characteristics of the gears, there are inevitably fluctuations and errors in the meshing stiffness of the gears during the meshing process, which causes the transmission system to vibrate and is transmitted to the box through the bearings, which not only affects the overall performance of the system, but also generates vibration noise. . Vibration noise will not only cause industrial...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): G01M13/021G01M13/028
CPCG01M13/021G01M13/028
Inventor 郭婷婷
Owner QINGYAN NEW ENERGY VEHICLE ENG CENT (XIANGYANG) CO LTD