Bevel gear universal reducer

Abstract

The invention discloses a bevel gear universal reducer which comprises a driving shaft bevel gear, a middle shaft first bevel gear, a middle shaft second bevel gear, a driven shaft bevel gear, a driving shaft fork, a driven shaft fork, a driving shaft, a middle shaft, a driven shaft and a plurality of rotating hinges. The driving shaft and the driven shaft are perpendicular to the middle shaft in a coplanar mode, and the driving shaft is crossed with the driven shaft in a coplanar mode. The driving shaft is hinged with the driving shaft fork through a rotating hinge, and the driven shaft is hinged with the driven shaft fork through a rotating hinge. The middle shaft is respectively hinged with the driving shaft fork and the driven shaft fork on the same axis through four rotating hinges. The two pairs of bevel gears are respectively used for transmitting motive power. The bevel gear universal reducer breaks the limitation that an existing reducer only can achieve transmission conversion between two crossed shafts with fixed relative positions, the reducer has adaptivity to change of a crossed axis angle, a universal transmission mechanism does not need to be additionally arranged, reduction or reverse speed-up transmission can be conducted on two random crossed shafts, changing within a certain range, of the crossed axis angle, structure is simple, and operation is reliable.

Description

technical field [0001] The invention relates to a new type of transmission mechanism, in particular to a new type of transmission mechanism with universal speed reduction function proposed by using the structural principle of bevel gears. Background technique [0002] The reducer is a commonly used mechanical transmission mechanism with many different forms and types. However, the existing reducers can only realize reduction transmission between two shafts whose relative positions are fixed. For example, the commonly used cylindrical gear reducer is generally used for the reduction transmission between two parallel shafts; the ordinary bevel gear is mostly used for the reduction transmission between two intersecting shafts with a certain space angle. Among the existing reducer products, the same reducer is generally only suitable for the reduction transmission of a specific shaft angle. If the intersecting angle of the two shafts is constantly changing, a special universal...

AI Technical Summary

Problems solved by technology

If the intersecting angle of the two shafts is constantly changing, a special universal joint is required in series to realize the universal transmission, which often complicates the connection relationship between the shafts of the mechanical system, and each independent transmission part including the universal joint requires Independent sealing and lubrication system increases the weight, volume and cost of the mechanical system

[0003] Patent CN2191317 mentions a universal reducer using the principle of double bevel gears, but the processing methods of each component are complicated and lack reasonable space support, so the processing technology and reliability need to be improved

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