Planetary transmission structure for small-speed-ratio planetary reducer
A technology of planetary reducer and planetary transmission, which is applied in the direction of transmission, transmission parts, gear transmission, etc., can solve the problems that the traditional structure cannot meet the installation requirements, achieve good rigidity, broaden the application occasion and application field, and process technology simple effect
Pending Publication Date: 2019-11-12
NANJING HIGH SPEED & ACCURATE GEAR GRP
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Problems solved by technology
[0003] For the planetary transmission structure with small speed ratio, the traditional structure cannot meet the installation requirements
Method used
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[0022] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0023] Such as Figure 1 to Figure 4 As shown, a planetary transmission structure 100 for a small speed ratio planetary reducer includes: a combined planetary carrier 10 and a sun gear 20 . The combined planet carrier 10 includes: an upper frame 11 , several wedges 12 , a lower frame 13 and several fasteners 14 . Several fasteners 14 fix the wedge 12, the upper frame 11 and the lower frame 13 as a whole.
[0024] The wedge 12 is arranged between the upper frame 11 and the lower frame 13 and connects the upper frame 11 and the lower frame 13 . The combined planet carrier 10 defines a central axis. Several wedges 12 are arranged in the circumferential direction of the central axis. The distance between two adjacent wedges 12 in the circumferential direction of the central axis is smaller than the diameter of the sun gear 20 . During instal...
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The invention discloses a planetary transmission structure for a small-speed-ratio planetary reducer. The planetary transmission structure comprises a combined planetary carrier and a sun gear; the combined planetary carrier comprises an upper frame, a plurality of wedge blocks, a lower frame and a plurality of fasteners used for fixing the wedge blocks, the upper frame and the lower frame into awhole; the wedge blocks are arranged between the upper frame and the lower frame and are connected with the upper frame and the lower frame; the combined planetary carrier is defined with a central axis; the plurality of wedge blocks are arranged in the circumferential direction of the central axis; and distance between every two adjacent wedge blocks in the circumferential direction of the central axis is shorter than diameter of the sun gear. The planetary transmission structure for the small-speed-ratio planetary reducer solves the installation problem of the sun gear of the low-speed-ratioplanetary transmission mechanism.
Description
technical field [0001] The invention relates to a planetary transmission structure for a small speed ratio planetary reducer. Background technique [0002] The traditional planet carrier is a one-piece casting, with flanges at both ends and a rib plate in the middle. When installing the sun gear, insert it through the gap between the two rib plates and then install other pins or planetary gears. But only when the diameter of the sun gear is smaller than the width of the gap between the two ribs, it can be placed in, which relatively requires the radial size of the sun gear to be small and the planetary star speed ratio to be large. [0003] For the planetary transmission structure with small speed ratio, the traditional structure cannot meet the installation requirements. Contents of the invention [0004] In order to solve the shortcomings of the prior art, the present invention provides a planetary transmission structure for a planetary reducer with a small speed ratio,...
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Login to View More IPC IPC(8): F16H1/28F16H57/08
CPCF16H1/28F16H57/08F16H57/082
Inventor 杜萍吴建中柳志强张田陈春辉
Owner NANJING HIGH SPEED & ACCURATE GEAR GRP