CN202625593U - 高强度销轴卸扣 - Google Patents

高强度销轴卸扣 Download PDF

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Publication number
CN202625593U
CN202625593U CN 201220244424 CN201220244424U CN202625593U CN 202625593 U CN202625593 U CN 202625593U CN 201220244424 CN201220244424 CN 201220244424 CN 201220244424 U CN201220244424 U CN 201220244424U CN 202625593 U CN202625593 U CN 202625593U
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pin shaft
shackle
bearing pin
button
shackle body
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CN 201220244424
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毛普防
侯金霄
宋大顺
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TANGSHAN DETAI MACHINERY MANUFACTURING Co Ltd
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TANGSHAN DETAI MACHINERY MANUFACTURING Co Ltd
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Abstract

本实用新型涉及销轴卸扣,尤其是一种用于起重用扇形销轴的高强度销轴卸扣。包括扣体、销轴,所述扣体自其轮廓面向内开有与所述销轴光杆等径的圆形凹槽,以所述圆形凹槽中心线的延长线为轴线,在扣体内开有使所述销轴螺纹旋进的螺纹孔,所述销轴与扣体组合到一起时,销轴上的螺纹过渡面进入扣体内与扣体的轮廓面分开。本实用新型在销轴螺纹和扣体的旋合处,加长了销轴的光杆部分长度,使销轴上的螺纹过渡面与扣体的轮廓面分开,以增强整个卸扣的承载能力。因此,性能可靠,能完全满足在试验或使用过程中,卸扣的额定载荷。

Description

高强度销轴卸扣
技术领域
本实用新型涉及销轴卸扣,尤其是一种用于起重用扇形销轴的高强度销轴卸扣。
背景技术
    现有起重卸扣都是按《一般起重用锻造卸扣》( GB/10603-89)和《一般起重用锻造卸扣-D形卸扣和弓形卸扣》(JB8112-1999 ISO2415:1987)标准生产的卸扣,一般由扣体和销轴组成,但由于销轴螺纹设计结构不合理,在试验或使用过程中经常出现达不到额定载荷就破断的情况,存在生产安全隐患。
实用新型内容
    本实用新型旨在解决背景技术所述问题,而提供一种改进销轴和扣体螺纹连接处的结构设计,以解决达不到额定载荷就破断问题的高强度销轴卸扣。
本实用新型解决所述问题采用的技术方案是:
一种高强度销轴卸扣,包括扣体、销轴,所述扣体自其轮廓面向内开有与所述销轴光杆等径的圆形凹槽, 以所述圆形凹槽中心线的延长线为轴线,在扣体内开有使所述销轴螺纹旋进的螺纹孔,所述销轴与扣体组合到一起时,销轴上的螺纹过渡面进入扣体内与扣体的轮廓面分开。
    与现有技术相比,本实用新型在销轴螺纹和扣体的旋合处,加长了销轴的光杆部分长度,使销轴上的螺纹过渡面与扣体的轮廓面分开,以增强整个卸扣的承载能力。因此,性能可靠,能完全满足在试验或使用过程中,卸扣的额定载荷。
附图说明
图1是本实用新型实施例的侧剖视图。
图中:1-扣体;2-销轴;3-销轴螺纹;4-销轴光杆;5-扣体轮廓面;6-销轴螺纹过度面。
具体实施方式
    以下结合实施例对本实用新型作进一步说明。
参见图1,高强度销轴卸扣由扣体1和销轴2两部分组成,销轴2加长了销轴光杆4的长度,缩短了销轴螺纹3的长度;扣体1自扣体轮廓面5向内开有与销轴光杆4等径的圆形凹槽, 以该圆形凹槽中心线的延长线为轴线,在扣体1内开有使销轴螺纹3旋进的螺纹孔,销轴2通过销轴螺纹3与扣体1组合到一起时,销轴螺纹过度面6进入圆形凹槽内与扣体轮廓面5分开,避免销轴光杆4和销轴螺纹过度面6与扣体轮廓面5重合,从而提高了整个卸扣的承载能力。

Claims (1)

1.一种高强度销轴卸扣,包括扣体、销轴,其特征在于, 所述扣体自其轮廓面向内开有与所述销轴光杆等径的圆形凹槽, 以所述圆形凹槽中心线的延长线为轴线,在扣体内开有使所述销轴螺纹旋进的螺纹孔,所述销轴与扣体组合到一起时,销轴上的螺纹过渡面进入扣体内与扣体的轮廓面分开。
CN 201220244424 2012-05-29 2012-05-29 高强度销轴卸扣 Expired - Fee Related CN202625593U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220244424 CN202625593U (zh) 2012-05-29 2012-05-29 高强度销轴卸扣

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Application Number Priority Date Filing Date Title
CN 201220244424 CN202625593U (zh) 2012-05-29 2012-05-29 高强度销轴卸扣

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CN202625593U true CN202625593U (zh) 2012-12-26

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103663167A (zh) * 2013-12-18 2014-03-26 无锡市新华起重工具有限公司 门机专用卸扣

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103663167A (zh) * 2013-12-18 2014-03-26 无锡市新华起重工具有限公司 门机专用卸扣

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