multi-stage gear

As shown in Figure 1, it is the contour map of CHTE under different profile modification parameters of gear pair […]

It is well known that the optimum amount of tooth direction modification varies with the meshing tooth direction error and […]

Adjust the synchronous speed of the motor so that the speed of the motor under rated load can be increased […]

Adjust the synchronous speed of the motor to 150, 500, 750, 1250, 1470, 1750 and 2000 R / min respectively […]

Vibration acceleration is the most direct phenomenon caused by the dynamic load of the system. At the same time, the […]

Fig. 1 (a) and (c) respectively show the dynamic reaction curve of the front and rear bearing 1 of the […]

Fig. 1 (a) and (c) show the dynamic meshing force curves of the front and rear gear pair 1 of […]

Dynamic load is the direct cause of vibration and fatigue failure of transmission system. Analyzing the dynamic load of each […]

Involute gear has the characteristic that the center distance changes while the transmission ratio remains unchanged, so the center distance […]

Figure 1 shows the comparison of the center motion track of the driving and driven gears of the front and […]

When shearer cuts coal, the rocker box will produce complex three-dimensional dynamic deformation under the joint action of internal and […]

The main research contents are as follows: 1) The natural vibration characteristics of the coupled system are solved and the […]

Firstly, the natural vibration characteristics of the coupled system are solved. By simplifying the dynamic equation of multi-stage gear transmission […]

Bearing is a standard part widely used in all kinds of mechanical equipment, and it is the key component to […]

The cutting motor of shearer is squirrel cage three-phase asynchronous motor. The mechanical characteristics of cutting motor refer to the […]

The drum bears the function of cutting coal. The load on the drum has an important impact on the stress […]

Firstly, the finite element model of rocker box is established in ABAQUS, and its mass matrix and stiffness matrix are […]

An example is given to show the iterative process of the modification parameters. The tooth profile modification in this study […]

In this study, symmetrical straight line modification is used in the direction of tooth profile, and the modification curve is […]

The calculation process of the modification parameter calculation method mainly includes four steps: the first step is to obtain the […]

System dynamics simulation is to obtain the actual meshing state of each gear pair. The coupling dynamic model of the […]

In the following three steps, the formula of meshing force of single tooth is derived, which takes into account the […]

Because reducing the fluctuation of static transmission error is generally accepted as the criterion of tooth profile modification, the key […]

This part analyzes the influence of rocker box structure optimization on gear meshing state of internal transmission system. Stationary random […]

Structural optimization is the application of optimization algorithm in mechanical design. According to different optimization variables and levels, it can […]

The motor rotor and the gear shaft 1, the gear shaft 8 and the sun gear of the first stage […]

Topology optimization is a kind of conceptual design. The optimization results are shown in the figure, which can not be […]

Three dimensional topological modification is an effective means to improve the transmission quality of gear system, which includes two directions […]

The generalized displacements of substructure dynamic equations are numbered in local coordinates, and the generalized displacements of each substructure will […]

Under the influence of the elastic deformation of the supporting system, the axes of the parallel gears are skewed in […]

According to the different coordination relationship of the interface of each substructure, the connection types between the corresponding nodes can […]

The cutting part is divided into rocker box, fixed shaft gear, gear shaft, cutting drum, planetary gear train and cutting […]