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Title:
TWO-STAGE SERIAL CYCLOID BALL REDUCER
Document Type and Number:
WIPO Patent Application WO/2017/152430
Kind Code:
A1
Abstract:
A two-stage serial cycloid ball reducer comprises a first stage input shaft (21), a housing I (18), a cross-like disk I (17), a planetary disk I (16), steel ball groups (42, 43, 44), an end cover I (19), a second stage input shaft (15), an end cover disk (14), a planetary disk II (11), a cross-like disk II (33), a central disk (10), steel ball groups (45, 46, 47), a second stage output shaft (3), a housing II(48), an end cover II (1), a preload nut (39), support bearings, and so on. The reducer uses a basic structure of a K-H-V two-stage serial planetary transmission with a small tooth number difference, uses inner and outer cycloid slots on end faces of the central disk and a planetary disk as a tooth profile, and uses steel balls as an intermediary to implement engagement transmission. A backlash is eliminated by contacting the steel balls with four corners of the cycloid slots. Moreover, a backlash-free cross-like steel ball mechanism with a constant speed is provided. The reducer has advantages of a simple structure, a small volume, zero backlash, high transmission precision, low impact, and a large transmission ratio.

Inventors:
ZHANG, Peng (No.88 East Daqing Road, Taixing, Jiangsu 0, 225400, CN)
YIN, Aiguo (No.88 East Daqing Road, Taixing, Jiangsu 0, 225400, CN)
KONG, Xia (No.88 East Daqing Road, Taixing, Jiangsu 0, 225400, CN)
ZHANG, Jielu (No.88 East Daqing Road, Taixing, Jiangsu 0, 225400, CN)
Application Number:
CN2016/076668
Publication Date:
September 14, 2017
Filing Date:
March 18, 2016
Export Citation:
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Assignee:
JIANGSU TAILONG MACHINERY GROUP COMPANY CO. LTD (No.88 East Daqing Road, Taixing, Jiangsu 0, 225400, CN)
International Classes:
F16H3/44; F16H13/08
Foreign References:
CN205446591U2016-08-10
CN103883683A2014-06-25
CN100402888C2008-07-16
CN201615193U2010-10-27
CN101290059A2008-10-22
CN204200984U2015-03-11
FR2547009A11984-12-07
CN2315354Y1999-04-21
Attorney, Agent or Firm:
NANJING ZHISHI LAW FIRM OF INTELLECTUAL PROPERTY (9F Block B, Nanjing Sci-Tech Center 5# Xinmofan Roa, Nanjing Jiangsu 9, 210009, CN)
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