CN101112752A - 一种手轮安全防护装置 - Google Patents

一种手轮安全防护装置 Download PDF

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CN101112752A
CN101112752A CNA2007101309332A CN200710130933A CN101112752A CN 101112752 A CN101112752 A CN 101112752A CN A2007101309332 A CNA2007101309332 A CN A2007101309332A CN 200710130933 A CN200710130933 A CN 200710130933A CN 101112752 A CN101112752 A CN 101112752A
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spring
hand wheel
bearing
supporting sleeve
wheel shaft
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CN100574994C (zh
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高军
赵波
李亚军
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Dafeng District Productivity Promotion Center Yancheng City
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Jiangsu Zhongtian Machinery Manufacturing Co ltd
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Abstract

本发明提供的手轮安全防护装置属于一种传动装置用安全防护组件。它包括弹簧、弹簧支承套筒、支承套筒座、轴承、轴承盖，其特征在于：弹簧、弹簧支承套筒、支承套筒座、轴承、轴承盖均套在手轮轴上，弹簧和轴承设置在手轮轴与弹簧支承套筒之间，并分设于弹簧支承套筒隔离胫的两侧，轴承盖设置在轴承的外侧，弹簧支承套筒设置在支承套筒座内，并与支承套筒座轴向定位，弹簧一端顶住支承套筒座，另一端顶住弹簧支承套筒隔离胫，弹簧的伸缩行程与手轮轴的进退行程相等，即与固定在手轮轴上的手动输入齿轮的错位行程相等，支承套筒座固定在减速箱上。本发明能使平面磨床磨头进给传动装置在机动进给时实现手轮不跟转，确保了生产过程的安全性。

Description

一种手轮安全防护装置
所属技术领域
本发明属于一种传动装置用安全防护组件，特别是一种用于平面磨床磨头进给传动装置的手轮安全防护装置。
背景技术
为了克服现有平面磨床磨头手动进给传动装置在摇动手轮使磨头上下快速运动时比较费力、费时，且分辨率低的缺陷，本发明人设计了一种既可机动快速进给，又能手动微量进给的平面磨床磨头进给传动装置。该传动装置在现有平面磨床磨头手动进给传动装置的手轮和传动轴之间加设了电机和减速箱，由于减速箱的中介齿轮既要传递电机动力，又要传递手轮的动力，因此中介齿轮必须既与机动输入齿轮啮合，又与手动输入齿轮啮合。这就带来了电机高速运转时，中介齿轮将电机动力传递给手轮，使手轮高速旋转的不安全因素。因此，如何使电机运行时手轮不跟转，成为必须解决的技术难题。
发明内容
本发明的目的在于提供一种能解决上述难题，使平面磨床磨头进给传动装置在机动进给时手轮不跟转，能实现安全生产的手轮安全防护装置。
本发明的技术解决方案是：手轮安全防护装置包括弹簧、弹簧支承套筒、支承套筒座、轴承、轴承盖，其特征在于：弹簧、弹簧支承套筒、支承套筒座、轴承、轴承盖均套在手轮轴上，弹簧和轴承设置在手轮轴与弹簧支承套筒之间，并分设于弹簧支承套筒隔离胫的两侧，轴承盖设置在轴承的外侧，弹簧支承套筒设置在支承套筒座内，并与支承套筒座轴向定位，弹簧一端顶住支承套筒座，另一端顶住弹簧支承套筒隔离胫，弹簧的伸缩行程与手轮轴的进退行程相等，即与固定在手轮轴上的手动输入齿轮的错位行程相等，支承套筒座固定在减速箱上。
本发明由于弹簧的伸缩行程与手动输入齿轮的错位行程相等，因此在弹簧的弹性作用下，减速箱手动输入齿轮常态下与减速箱内的中介齿轮不啮合，而当手动进给时，推动或拉动手轮，使之与减速箱内的中介齿轮啮合，然后再转动手轮，实施手动进给。本发明可确保平面磨床磨头进给传动装置在机动进给时手轮不跟转，实现安全生产。
附图说明
图1为本发明结构示意图。
图中：1、手动输入齿轮，2、手轮轴，3、弹簧支承套筒，4、手轮，5、轴承盖，6、轴承，7、弹簧，8、支承套筒座，9、减速箱。
具体实施方案
手轮安全防护装置包括压缩弹簧(7)、弹簧支承套筒(3)、支承套筒座(8)、轴承(6)、轴承盖(5)，压缩弹簧(7)、弹簧支承套筒(3)、支承套筒座(8)、轴承(6)、轴承盖(5)均套在手轮轴(2)上。压缩弹簧(7)和轴承(6)设置在手轮轴(2)与弹簧支承套筒(3)之间，并分设于弹簧支承套筒(3)的隔离胫的两侧，轴承(6)与弹簧支承套筒(3)和手轮轴(2)过渡配合，轴承盖(5)嵌入式安装在轴承(6)一侧的弹簧支承套筒(3)筒口处，弹簧支承套筒(3)设置在支承套筒座(8)内，并通过止回钩与支承套筒座(8)轴向定位，压缩弹簧(7)一端顶住支承套筒座(8)，另一端顶住弹簧支承套筒(3)的隔离胫。压缩弹簧(7)的压缩行程与手轮轴(2)的进退行程相等，即与固定在手轮轴(2)上的手动输入齿轮(1)的错位行程相等。支承套筒座(8)固定在减速箱(9)上。

Claims (1)

1.一种手轮安全防护装置，它包括弹簧、弹簧支承套筒、支承套筒座、轴承、轴承盖，其特征在于：弹簧、弹簧支承套筒、支承套筒座、轴承、轴承盖均套在手轮轴上，弹簧和轴承设置在手轮轴与弹簧支承套筒之间，并分设于弹簧支承套筒隔离胫的两侧，轴承盖设置在轴承的外侧，弹簧支承套筒设置在支承套筒座内，并与支承套筒座轴向定位，弹簧一端顶住支承套筒座，另一端顶住弹簧支承套筒隔离胫，弹簧的伸缩行程与手轮轴的进退行程相等，即与固定在手轮轴上的手动输入齿轮的错位行程相等，支承套筒座固定在减速箱上。
CN200710130933A 2007-08-28 2007-08-28 一种手轮安全防护装置 Active CN100574994C (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102513887A (zh) * 2011-12-01 2012-06-27 沪东重机有限公司 用于车床上砂磨圆柱体轴类零件的砂磨工具
CN108161139A (zh) * 2017-11-24 2018-06-15 江阴市永兴机械制造有限公司 一种花键轴磨床的微进给装置

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* Cited by examiner, † Cited by third party
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JPS4842109B1 (zh) * 1971-08-11 1973-12-11
CS157886B1 (zh) * 1971-08-04 1974-10-15
US3768213A (en) * 1972-03-16 1973-10-30 Toyoda Machine Works Ltd Grinding machine with a feed control device
CN2406752Y (zh) * 1999-09-01 2000-11-22 周永生 车床电动尾架
CN2875700Y (zh) * 2006-02-10 2007-03-07 南通第二机床有限公司 磨床垂直进给机构的传动装置
CN2882853Y (zh) * 2006-04-29 2007-03-28 江苏齐航数控机床有限责任公司 普通卧式车床横向刀架保险装置
CN1887524A (zh) * 2006-07-17 2007-01-03 吴思德 工作台升降式圆台立轴磨床

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102513887A (zh) * 2011-12-01 2012-06-27 沪东重机有限公司 用于车床上砂磨圆柱体轴类零件的砂磨工具
CN108161139A (zh) * 2017-11-24 2018-06-15 江阴市永兴机械制造有限公司 一种花键轴磨床的微进给装置

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