Chemical pump sleeve of movable teeth transmission reducer mechanism

chemical pump movable teeth transmission is a kind of transfer between two coaxial rotary movement of the mechanical transmission, is mainly composed of three basic components: the shock wave, gears and center wheel: the literature of movable teeth transmission at home and abroad, have been developed movable tooth reducer has a push rod movable tooth pin wheel reducer, variable speed drive bearing reducer, closely round movable teeth transmission, raceway reducer, sleeve active gear reducer, swing movable tooth reducer, such as:

sleeve groove type of movable teeth transmission reducer, the drive shaft, shell, guide and movable tooth of four parts. Inside the cylindrical surface of shell, there are cycles for z, sine raceway, guide circular uniformly distributed on the surface of the axial live parts. Inside the cylindrical surface of shell, there are cycles for Z3 sine raceway, guide circular uniformly distributed on the surface of the axial movable tooth groove, outer cylinder of drive shaft, there are cycles of 1 sine race, inner race, outer race and guide live alveolar crisscross are installed in the area of the spherical gear.

sleeve groove type of movable teeth transmission reducer is a new type of movable teeth transmission, it has small volume, high transmission efficiency, carrying capacity is strong, the advantages of good lubrication performance, in the deep well drilling, robots and other mechanical equipment has a broad application prospect.

as sine raceway are made of movable tooth sinusoidal motion envelope along a certain space, so the race type sleeve movable teeth transmission belongs to the space meshing transmission. Ideally, the instantaneous contact line is a period of the great circle of movable tooth arc. Live in raceway type sleeve tooth transmission mechanism in the process of the work, almost all of the movable tooth engagement with force, due to the sine of raceway is cyclical, each live between tooth and sine raceway and the working process of the conjugate tooth profile are exactly the same, so the stress analysis, can choose a movable tooth gear pair as an object of study.

the daqing vocational college Dong Haisheng developed the raceway reducer, work from indoor mechanics performance test and modal analysis results, the basic to reduce the radial size of reducer that have already been processed and improve the efficiency of transmission ratio, improve the working life and driving, eliminate the axial force and solve the problem of connection expected technical requirements, after processing technology to further improve, completely can be used for downhole drive single chemical water pump oil production system.

it is worth noting that the inner and outer raceway surface must be properly designed, outer raceway surface namely cycloid inner concave tooth surface is composed of short of cycloid; Inner raceway surface is made up of eccentric bearing on radial outer contour to push the size change of supporting roller motion trajectory and the sleeve outside of movable tooth surface contact surface and form of movement. Inside and outside surface contact with the sleeve on the surface of the movable tooth appearance not only should follow the meshing principle, but also meet the reduction ratio constant, strong carrying capacity, long life and other requirements.

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