CN202300189U - 一种旋挖钻机动力头 - Google Patents

一种旋挖钻机动力头 Download PDF

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Publication number
CN202300189U
CN202300189U CN2011203276087U CN201120327608U CN202300189U CN 202300189 U CN202300189 U CN 202300189U CN 2011203276087 U CN2011203276087 U CN 2011203276087U CN 201120327608 U CN201120327608 U CN 201120327608U CN 202300189 U CN202300189 U CN 202300189U
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output shaft
power head
seal
sleeve
wear
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CN2011203276087U
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仇文宁
管晓峰
蔡森
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JIANGXI XIONGBANG CONSTRUCTION MACHINERY CO., LTD.
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Xuzhou Reman Construction Machinery Technology Co Ltd
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Abstract

本实用新型公开了一种旋挖钻机动力头,旋挖钻机技术领域。它包括动力头箱体,输出轴,输出法兰;输出法兰安装在输出轴上,能够随轴的转动作回转运动,在输出轴上装有密封圈,密封圈由密封盖板和密封轴套固定,密封盖板通过螺栓Ⅱ与密封轴套连接,密封轴套安装在动力头箱体上,二者之间装有O型圈Ⅰ,在输出轴与密封圈之间还装有耐磨套和O型圈Ⅱ,所述的耐磨套为一耐磨金属圆环。有益效果是:延长了密封圈和输出轴的使用寿命,结构简单,更换方便,降低了维修成本,缩短了维修时间。

Description

一种旋挖钻机动力头
技术领域
本实用新型涉及旋挖钻机技术领域,具体是一种旋挖钻机动力头。
背景技术
综观目前的旋挖钻机,其动力头输出轴的密封圈与输出轴直接接触,在恶劣的工况下,密封圈会将输出轴磨出沟,从而失去密封作用,导致动力头箱体内的齿轮油泄漏;若更换输出轴,成本太高,且维修时间较长,影响工程施工进度。
发明内容
为克服已有技术的上述不足,本实用新型提供一种旋挖钻机动力头。
本实用新型是以如下方案实现的:一种旋挖钻机动力头,它包括动力头箱体,输出轴,输出法兰;输出法兰安装在输出轴上,能够随轴的转动作回转运动,在输出轴上装有密封圈,密封圈由密封盖板和密封轴套固定,密封盖板通过螺栓Ⅱ与密封轴套连接,密封轴套安装在动力头箱体上,二者之间装有O型圈Ⅰ,在输出轴与密封圈之间还装有耐磨套和O型圈Ⅱ,所述的耐磨套为一耐磨金属圆环。
由于在旋挖钻机动力头输出轴与密封圈之间安装了耐磨套,耐磨套与密封圈接触,而输出轴与密封圈不接触,即使在重载荷的作用下,也无法造成密封圈对输出轴磨损。从而延长了密封圈和输出轴的使用寿命。
本实用新型的有益效果是:结构简单,更换方便,降低了维修成本,缩短了维修时间。
附图说明
 下面结合附图和实施例对本实用新型进一步说明。
图1是本实用新型剖视图;
图2是本实用新型剖视图的局部放大图。
图中:1、输出法兰,2、螺栓Ⅰ,3、密封盖板,4、液密封圈,5、螺栓Ⅱ,6、O型圈Ⅰ,7、密封轴套,8、动力头箱体,9、输出轴,10、耐磨套,11、O型圈Ⅱ。
具体实施方式
   如图1和图2所示,旋挖钻机动力头它包括输出法兰1,输出法兰1通过螺栓Ⅰ2安装在输出轴9上,可作回转运动,输出轴9上装有密封圈4,密封圈4由密封盖板3和密封轴套7固定,而密封盖板3通过螺栓Ⅱ5与密封轴套7连接,密封轴套7安装在动力头箱体8上,二者之间装有O型圈Ⅰ6。在输出轴9与密封圈4之间还装有耐磨套10及O型圈Ⅱ11。耐磨套10的轴向尺寸大于密封圈4。耐磨套10与输出轴9过渡配合安装。上述结构使耐磨套10与密封圈4接触,而输出轴9与密封圈4不接触,无法造成密封圈对输出轴磨损。

Claims (3)

1.一种旋挖钻机动力头,它包括动力头箱体(8),输出轴(9),输出法兰(1),输出法兰(1)安装在输出轴(9)上,能够随轴的转动作回转运动,在输出轴(9)上装有密封圈(4),密封圈(4)由密封盖板(3)和密封轴套(7)固定,密封盖板(3)通过螺栓Ⅱ(5)与密封轴套(7)连接,密封轴套(7)安装在动力头箱体(8)上,二者之间装有O型圈Ⅰ(6),其特征在于:在输出轴(9)与密封圈(4)之间还装有耐磨套(10)和O型圈Ⅱ(11),所述的耐磨套(10)为一耐磨金属圆环。
2.根据权利要求1所述的一种旋挖钻机动力头,其特征在于:所述的耐磨套(10)的轴向尺寸大于密封圈(4)。
3.根据权利要求1所述的一种旋挖钻机动力头,其特征在于:所述的耐磨套(10)与输出轴(9)过渡配合安装。
CN2011203276087U 2011-09-02 2011-09-02 一种旋挖钻机动力头 Expired - Fee Related CN202300189U (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102878274A (zh) * 2012-09-28 2013-01-16 三一重工股份有限公司 旋挖钻机及其动力头箱体的密封装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102878274A (zh) * 2012-09-28 2013-01-16 三一重工股份有限公司 旋挖钻机及其动力头箱体的密封装置
CN102878274B (zh) * 2012-09-28 2015-08-12 三一重工股份有限公司 旋挖钻机及其动力头箱体的密封装置

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Effective date of registration: 20151118

Address after: 335200, Yujiang Yingtan County Industrial Park, 320 National Road next to Jiangxi

Patentee after: JIANGXI XIONGBANG CONSTRUCTION MACHINERY CO., LTD.

Address before: 221008 Jiangsu city in Xuzhou Province, the liberation of South Park Mine Technology Software Park B block 207-208

Patentee before: Xuzhou Reman Construction Machinery Technology Co., Ltd.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120704

Termination date: 20200902