JP6996864B2 - エア式荷役物運搬機の無負荷下降安全回路 - Google Patents
エア式荷役物運搬機の無負荷下降安全回路 Download PDFInfo
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- JP6996864B2 JP6996864B2 JP2017095107A JP2017095107A JP6996864B2 JP 6996864 B2 JP6996864 B2 JP 6996864B2 JP 2017095107 A JP2017095107 A JP 2017095107A JP 2017095107 A JP2017095107 A JP 2017095107A JP 6996864 B2 JP6996864 B2 JP 6996864B2
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Description
2 台座
3 旋回台
4 昇降機構
5 平行リンク式アーム
6 昇降部
7 ハンド部
8 連結具
9 荷役物
10 作業者
11 手
12 シリンダ
13 ピストン
14 ロッド
15 位置保持バルブ
16 バランス制御バルブ
17 通電バルブ
18 緩下降バルブ
19 緩下降切替えバルブ
20 緊急停止時エア排出配管
21 一次エア源
22 バネ
23 絞り弁
Claims (1)
- アクチュエータにエア式のシリンダを用いて、ハンド部で荷役物を把持して荷役物を運搬し、緊急停止時エア排出配管と緩下降バルブを備え、無負荷時にエア源が緊急停止しシリンダが位置保持した後に作業者がハンド部を下降させようとする動きで前記シリンダのシリンダ内圧を上昇させ、上昇した前記シリンダ内圧が前記緊急停止時エア排出配管を経由して前記緩下降バルブを切換え、前記緩下降バルブから前記シリンダ内のエアを排出し、前記ハンド部を下降させる荷役物運搬機において、前記緩下降バルブは、バネと絞り弁を有しており、シリンダ内圧が閾値を超えた場合に前記バネが縮み前記緩下降バルブは排気側に切替わり前記絞り弁から前記シリンダ内のエアを排気させることを特徴とするエア式荷役物運搬機の無負荷下降安全回路。
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JP2017095107A JP6996864B2 (ja) | 2017-05-12 | 2017-05-12 | エア式荷役物運搬機の無負荷下降安全回路 |
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JP2017095107A JP6996864B2 (ja) | 2017-05-12 | 2017-05-12 | エア式荷役物運搬機の無負荷下降安全回路 |
Publications (2)
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JP2018188298A JP2018188298A (ja) | 2018-11-29 |
JP6996864B2 true JP6996864B2 (ja) | 2022-01-17 |
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JP (1) | JP6996864B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111590642A (zh) * | 2020-04-10 | 2020-08-28 | 江苏京创先进电子科技有限公司 | 一种搬运机械手的安全防护方法及其搬运机械手 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008247488A (ja) | 2007-03-29 | 2008-10-16 | Aikoku Alpha Corp | 荷役物運搬機 |
US20090013860A1 (en) | 2007-07-10 | 2009-01-15 | Raymond David Givens | Pneumatic multi-weight balancing device |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05296214A (ja) * | 1992-04-13 | 1993-11-09 | Aikoku Alpha Kk | エアー制御の安全回路 |
JP3496126B2 (ja) * | 1994-05-24 | 2004-02-09 | 株式会社三栄精機製作所 | 荷物吊上げ設備のための安全装置 |
JPH10159813A (ja) * | 1996-11-28 | 1998-06-16 | Sekisui Chem Co Ltd | エア駆動機器の安全停止機構 |
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- 2017-05-12 JP JP2017095107A patent/JP6996864B2/ja active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008247488A (ja) | 2007-03-29 | 2008-10-16 | Aikoku Alpha Corp | 荷役物運搬機 |
US20090013860A1 (en) | 2007-07-10 | 2009-01-15 | Raymond David Givens | Pneumatic multi-weight balancing device |
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JP2018188298A (ja) | 2018-11-29 |
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