Coaxial double-output transmission mechanism
A transmission mechanism and dual output technology, applied in the transmission device, transmission device parts, gear transmission device and other directions, can solve the problems of the thin wall thickness of the transmission input shaft, and the difficulty of further reducing the weight of the force transmission mechanism, and achieves Facilitate maintenance and replacement, facilitate layout and wiring, reduce volume and weight
Pending Publication Date: 2022-03-08
BEIJING GUOWANG FUDA SCI & TECH DEV
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The patents with the patent numbers "201921376093.2" and "201720641705.0" both disclose this structure, but whether it is the above-mentioned patent or the existing force transmission mechanism, the transmission input shaft and the worm wheel are connected by a flat key. To connect, it is also necessary to process the keyway on the secondary transmission input shaft, and the processing of the keyway requires the secondary transmission input shaft to have a certain wall thickness, which leads to the fact that the wall thickness of the secondary transmission input shaft cannot be made very thin, which makes the overall weight of the force transmission mechanism difficult. further down
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[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0025] This embodiment provides a coaxial double output transmission mechanism, such as Figure 1 to Figure 3 As shown, it includes casing 1, active drive shaft 2 and auxiliary drive shaft 3; the active drive shaft 2 and auxiliary drive shaft 3 are located inside the casing 1, the auxiliary drive shaft 3 is a hollow structure, and the auxiliary drive shaft 3 is sleeved on the active drive shaft Outside the shaft 2, the active drive shaft 2 and the auxiliary dr...
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The invention discloses a coaxial dual-output transmission mechanism, which belongs to the technical field of transmission devices, and comprises a shell, a main driving shaft and an auxiliary driving shaft, the power output ends of the main driving shaft and the auxiliary driving shaft extend out of the shell, the auxiliary driving shaft is of a hollow structure and coaxially sleeves the main driving shaft, and the power input end of the auxiliary driving shaft is provided with a worm wheel; a worm matched with the worm gear is arranged on the shell, a conical protrusion is arranged on the auxiliary driving shaft, a conical groove matched with the conical protrusion is formed in the worm gear, and a pressing mechanism for pressing the worm gear on the conical protrusion in the axial direction is arranged on the auxiliary driving shaft. Compared with a flat key connection mode, the auxiliary driving shaft and the worm wheel conduct torque transmission through cooperation of the conical groove and the conical protrusion, the structure is simple, the auxiliary driving shaft does not need to be provided with a key groove, the wall thickness of the auxiliary driving shaft can be greatly reduced, and therefore the weight of the whole force transmission mechanism is reduced, operability is provided for the weight of an inspection robot, and the cost is reduced. And the conical surface matching mode enables the stress to be more uniform, and is convenient for processing and forming.
Description
technical field [0001] The invention relates to the technical field of transmission devices, in particular to a coaxial double output transmission mechanism. Background technique [0002] With the continuous development of smart grids, higher and higher requirements are put forward for the inspection of transmission lines, and inspection robots for transmission lines have emerged as the times require and have been vigorously developed. Domestic power transmission line inspection robots are mainly divided into double-arm type and single-arm type. Usually, the walking mechanism and pressing mechanism of the inspection robot will use a force transmission mechanism with dual-axis output and parallel layout for force transmission drive, but this The layout of this force transmission mechanism is not only complex in structure, but also large in size, which is not conducive to the weight control of the inspection robot, and causes a certain burden on the line during the inspection ...
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IPC IPC(8): F16H1/22F16H57/00F16H57/023F16H57/039F16C3/02
CPCF16H1/222F16H57/0018F16H57/023F16H57/039F16C3/02
Inventor 王志兴于洪亮尹磊刘梦柳赵睿王威杨振田宇晟赵爽郑鹏超蔡光柱张逸娲赵建豪马俊朋曹向勇贺晓宇高安洁
Owner BEIJING GUOWANG FUDA SCI & TECH DEV