JP2013170669A5 - - Google Patents

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Publication number
JP2013170669A5
JP2013170669A5 JP2012036494A JP2012036494A JP2013170669A5 JP 2013170669 A5 JP2013170669 A5 JP 2013170669A5 JP 2012036494 A JP2012036494 A JP 2012036494A JP 2012036494 A JP2012036494 A JP 2012036494A JP 2013170669 A5 JP2013170669 A5 JP 2013170669A5
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JP
Japan
Prior art keywords
carrier
pin
carrier body
contact
diameter portion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Application number
JP2012036494A
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Japanese (ja)
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JP2013170669A (en
JP5791542B2 (en
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Publication date
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Priority to JP2012036494A priority Critical patent/JP5791542B2/en
Priority claimed from JP2012036494A external-priority patent/JP5791542B2/en
Priority to CN201310058047.9A priority patent/CN103291847B/en
Publication of JP2013170669A publication Critical patent/JP2013170669A/en
Publication of JP2013170669A5 publication Critical patent/JP2013170669A5/ja
Application granted granted Critical
Publication of JP5791542B2 publication Critical patent/JP5791542B2/en
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Description

特許文献1に記載の技術では、一対のキャリア体を連結する内ピンが中央の大径部と軸方向両端の小径部とを有しており、小部の外周面に形成された雄ねじがキャリア体に締結される。そして、大径部から小径部に縮径する段差部分がキャリア体の表面と当接している。この構造では、締結による軸方向の圧縮応力と車重による曲げ応力とが内ピンに作用する。そのため、高い圧縮応力がキャリア体の当接面に作用し、当接面が座屈してしまうするおそれがある。 In the technique described in Patent Document 1, pin inner connecting a pair of carrier body has a small diameter portion of the large diameter portion and both axial ends of the central, external thread formed on the outer peripheral surface of the small diameter portion Fastened to the carrier body. And the level | step-difference part diameter-reduced from a large diameter part to a small diameter part is contact | abutted with the surface of a carrier body. In this structure, axial compressive stress due to fastening and bending stress due to vehicle weight act on the inner pin. Therefore, high compressive stress may act on the contact surface of the carrier body, and the contact surface may be buckled.

図3を参照すると、従来技術に係る減速機10’のキャリアピン42’は、外歯歯車24、26に挿通される大径部42B’と、第1キャリア体34’に挿入される小部42D’との間に段差部分42C’が形成されており、この段差部分42C’が第1キャリア体34’の反車体側にある座面34B’と当接している。外歯歯車24、26に形成されるキャリアピン孔24B’、26B’の直径は、内ピンと外歯歯車間の伝達トルクを確保するために容易に拡大することはできないため、キャリアピン42’の大径部42B’の直径も制限される。このため、キャリアピン42’と第1キャリア体34’の座面34B’との当接面積が非常に小さくなっている。 Referring to FIG. 3, the small diameter 'carrier pin 42' reducer 10 according to the prior art, 'and, the first carrier member 34' the large diameter portion 42B to be inserted into the external gear 24, 26 is inserted into A stepped portion 42C ′ is formed between the portion 42D ′ and the stepped portion 42C ′ is in contact with the seating surface 34B ′ on the side opposite to the vehicle body of the first carrier body 34 ′. Since the diameters of the carrier pin holes 24B ′ and 26B ′ formed in the external gears 24 and 26 cannot be easily increased in order to secure the transmission torque between the inner pin and the external gear, the carrier pin 42 ′ The diameter of the large diameter portion 42B ′ is also limited. For this reason, the contact area between the carrier pin 42 'and the seating surface 34B' of the first carrier body 34 'is very small.

JP2012036494A 2012-02-22 2012-02-22 Planetary reducer Active JP5791542B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2012036494A JP5791542B2 (en) 2012-02-22 2012-02-22 Planetary reducer
CN201310058047.9A CN103291847B (en) 2012-02-22 2013-02-22 Planetary reducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012036494A JP5791542B2 (en) 2012-02-22 2012-02-22 Planetary reducer

Publications (3)

Publication Number Publication Date
JP2013170669A JP2013170669A (en) 2013-09-02
JP2013170669A5 true JP2013170669A5 (en) 2014-01-09
JP5791542B2 JP5791542B2 (en) 2015-10-07

Family

ID=49093215

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2012036494A Active JP5791542B2 (en) 2012-02-22 2012-02-22 Planetary reducer

Country Status (2)

Country Link
JP (1) JP5791542B2 (en)
CN (1) CN103291847B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016205603A (en) * 2015-04-28 2016-12-08 株式会社ハーモニック・ドライブ・システムズ Planetary gear reduction gear
CN105065584A (en) * 2015-08-19 2015-11-18 英瑞克自动化有限公司 Hypocycloid speed reducer
JP7463266B2 (en) * 2020-12-18 2024-04-08 美的集団股▲フン▼有限公司 Internally meshing planetary gear device and manufacturing method thereof

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0544793A (en) * 1991-08-19 1993-02-23 Sumitomo Heavy Ind Ltd Internal planetary gear structure
JPH084843A (en) * 1994-06-20 1996-01-12 Tsubakimoto Chain Co Load uniformly distributing device of planetary gear mechanism
US5692989A (en) * 1996-06-06 1997-12-02 Kamlukin; Igor Self aligning planetary gear transmission & speed reducer
JP2007239886A (en) * 2006-03-08 2007-09-20 Ntn Corp In-wheel motor drive unit
JP4227157B2 (en) * 2006-08-02 2009-02-18 住友重機械工業株式会社 Simple planetary gear device manufacturing method and simple planetary gear device series
JP2008275094A (en) * 2007-05-01 2008-11-13 Ntn Corp In-wheel motor drive unit
CN201351714Y (en) * 2008-11-27 2009-11-25 国茂减速机集团有限公司 Dead shaft type multi-level planet gear speed reducer
JP2010169247A (en) * 2008-12-26 2010-08-05 Ntn Corp Railroad vehicle drive unit
JP5121696B2 (en) * 2008-12-29 2013-01-16 住友重機械工業株式会社 Reduction gear

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