Power transmission apparatus
A technology of power transmission device and output end, applied in the direction of transmission device, differential transmission device, belt/chain/gear, etc., can solve the problem of not being able to rotate completely freely.
Active Publication Date: 2017-05-31
源创力(天津)科技发展有限公司 +1
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Problems solved by technology
Among them, the platform can be rotated so that the angular position of the horizontal axis around the vertical axis can be adjusted, but usually the rotation of the rotary platform is subject to various restrictions and cannot be completely rotated freely.
Method used
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Embodiment Construction
[0022] figure 1 A schematic diagram of an embodiment of a coaxially arranged power transmission device 1 according to the invention is shown. The power transmission device 1 includes a frame 2 and a platform 3 that can rotate relative to the frame 2 . A bevel gear transmission mechanism 4 is provided on the platform 3, and the bevel gear transmission mechanism 4 has a first bevel gear 41 and a second bevel gear 42 placed horizontally and relative to the first bevel gear 41, the second bevel gear The second bevel gear 42 is placed vertically and the third bevel gear 43 meshes with the first bevel gear 41 and the second bevel gear 42 . The shaft 44 of the first bevel gear 41 is coaxially arranged with the shaft 45 of the second bevel gear 42, and the shaft 45 of the second bevel gear 42 is a hollow shaft, and the shaft 46 of the third bevel gear 43 It is supported on the platform 3 by bearings.
[0023] The first differential 5 is arranged in the frame 2, and the first differ...
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The invention relates to a power transmission apparatus comprising a rack and a platform. A bevel gear transmission mechanism is mounted on the platform; the bevel gear transmission mechanism is provided with a first bevel gear and a second bevel gear both horizontally arranged and a third bevel gear vertically arranged and engaged with the first and second bevel gears; a shaft of the first bevel gear and a shaft of the second bevel gear are coaxial and the shaft of the second bevel gear is hollow; a shaft of the third bevel gear is supported on the platform via a bearing; the shaft of the third bevel gear rotates winding a horizontal axis of the same to work as a first input; then rotation of the third bevel gear winding a vertical axis works as a second input; only when the first input exists, sizes and directions of rotating speed of a first and second semiaxis parts of a first differential can be the same via the power transmission apparatus; only when the second input exists, sizes of rotating speed of the first and second semiaxis parts of the first differential are the same but directions are opposite via the power transmission apparatus; and only when the first and second inputs exist at the same time, motions can be overlapped via the power transmission apparatus.
Description
technical field [0001] The invention relates to a power transmission device. Background technique [0002] At present, in many technical fields, the problem of power transmission between the rotary platform and the fixed end is encountered, for example, the problem of power transmission between the horizontal shaft arranged on the rotary platform and the fixed surface. Wherein, the platform can be rotated so that the angular position of the horizontal axis around the vertical axis can be adjusted, but usually the rotation of the rotary platform is subject to various restrictions and cannot rotate completely freely. For example, in a high-rise tower crane, the motor is installed under the high-altitude control room to drive the control room and the boom to rotate around the tower body. In order to transmit power to the motor, cables need to be laid upward from the ground. In order to prevent the cable from being damaged due to excessive torsion, the control room and the boom...
Claims
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IPC IPC(8): F16H37/08
CPCF16H37/08F16H48/05F16H37/0806
Inventor 高则行马文平
Owner 源创力(天津)科技发展有限公司