CN2477896Y - 带有调整机构的降噪齿轮 - Google Patents

带有调整机构的降噪齿轮 Download PDF

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Publication number
CN2477896Y
CN2477896Y CN 01217584 CN01217584U CN2477896Y CN 2477896 Y CN2477896 Y CN 2477896Y CN 01217584 CN01217584 CN 01217584 CN 01217584 U CN01217584 U CN 01217584U CN 2477896 Y CN2477896 Y CN 2477896Y
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noise
reducing gear
regulating mechanism
utility
model
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CN 01217584
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班兴国
朱志文
吴俊卿
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Yancheng Huawang Machinery Manufacturing Co., Ltd.
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YANCHENG CITY TRACTOR FACTORY
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Abstract

本实用新型提供一种手扶拖拉机传动箱总成的带有调整机构的降噪齿轮。降噪齿轮的幅板上均匀地设置有数个沿圆周开设的弯道孔;由调整螺钉和螺母、角轴承、挡圈所组成的调整机构,两只角轴承背对背地装于降噪齿轮的芯部,并用挡圈分开;末端设有调整螺母的调整螺钉穿过过渡轴的轴盖抵住过渡轴的一端。本实用新型结构结构简单、加工和安装方便、耐用可靠、重量轻,有效地降低了传动箱的震动及噪音,且轴承磨损间隙增大时,可通过调整机构来调整。

Description

带有调整机构的降噪齿轮
本实用新型涉及一种手扶拖拉机的传动机构，特别是12和15马力手扶拖拉机传动箱总成的带有调整机构的降噪齿轮。
现有的手扶拖拉机的传动箱总成通常为链条式传动结构，是手扶拖拉机故障率较高的部位之一，特别是在东北地区，由于土壤粘稠、土质坚硬，耕作负荷较大，传动箱总成往往过早损坏，更换频繁，而且，双排筒链的寿命也大大缩短。为此，本申请人曾于1999年11月26日向专利局提出了99 2 30105.x“手扶拖拉机的全齿轮传动箱总成”实用新型专利申请，即以齿轮传动取代链条传动，使其结构简化、合理，提高使用寿命和综合使用性能。但随着手扶拖拉机向大马力和高速度方向的发展，也要求传动齿轮的模数的传动比加大，给手扶拖拉机带来了严重的噪音。
本实用新型的目的基于提供一种降低拖拉机全齿轮传动箱噪音的结构简单、加工和安装方便、耐用可靠、轴承磨损间隙可调的带有调整机构的降噪齿轮，  以克服现有技术的不足之处。
为达到上述目的，本实用新型的技术解决方案是：装于传动箱内过渡轴上的降噪齿轮即过渡齿轮的环形幅板上均匀地设置有数个沿圆周开设的弯道孔；主要由调整螺钉和螺母、角轴承、挡圈所组成的调整机构，其两只角轴承背对背地装于降噪齿轮的芯部，并用挡圈将两只角轴承分开；末端设有调整螺母的调整螺钉穿过过渡轴的轴盖抵住过渡轴的一端。
本实用新型结构结构简单、加工和安装方便、耐用可靠、重量轻，有效地降低了传动箱工作时特别是高速运转时所产生的震动及噪音，且轴承磨损间隙增大时，可通过调整机构来调整，确保传动箱运行震动小、噪音低。
附图说明：
图1为本实用新型的结构示意图；
图2为降噪齿轮的结构示意图。
下面结合附图对本实用新型及其实施例作进一步详述：
装于传动箱1内过渡轴8上的降噪齿轮5即过渡齿轮的环形幅板11上均匀地开设有三个沿圆周分布的弯道孔10，这样既减轻了降噪齿轮11的重量，又节省了昂贵的齿轮材料同时，还可以满足齿轮传动的强度要求；此外，由于弯道孔10沿圆周均匀分布，降噪齿轮5的运转平稳性好，降噪齿轮5的幅板11的周期性震荡小，吸震效果好，减小了敲击共震。主要由调整螺钉3和螺母4、角轴承7、挡圈6所组成的调整机构，其两只角轴承7背对背地装于降噪齿轮5的芯部，并用挡圈6将两只角轴承7隔开和单向定位；末端设有调整螺母4的调整螺钉3穿过过渡轴8的轴盖2抵住过渡轴8的一端，过渡轴8的另一端加置密封圈9，这样，角轴承7的内圈分别由过渡轴8和传动箱1的箱体轴向定位，过渡轴8由轴盖2进行轴向和周向定位，由角轴承7引起的降噪齿轮5的轴向窜动，则通过调整螺钉3和螺母4进行调整和锁紧。
上述弯道孔10可根据需要为四或六个。

Claims (2)

1.带有调整机构的降噪齿轮，其特征在于：装于传动箱内过渡轴上的降噪齿轮即过渡齿轮的环形幅板上均匀地设置有数个沿圆周开设的弯道孔；主要由调整螺钉和螺母、角轴承、挡圈所组成的调整机构，其两只角轴承背对背地装于降噪齿轮的芯部，并用挡圈将两只角轴承分开；末端设有调整螺母的调整螺钉穿过过渡轴的轴盖抵住过渡轴的一端。
2.根据权利要求1所述的带有调整机构的降噪齿轮，其特征在于：上述弯道孔以三个最佳。
CN 01217584 2001-02-26 2001-02-26 带有调整机构的降噪齿轮 Expired - Lifetime CN2477896Y (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100359212C (zh) * 2003-12-18 2008-01-02 董祥义 一种降噪齿轮
CN104265866A (zh) * 2014-09-19 2015-01-07 常州市武进金城齿轮有限公司 挡板式降噪齿轮

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100359212C (zh) * 2003-12-18 2008-01-02 董祥义 一种降噪齿轮
CN104265866A (zh) * 2014-09-19 2015-01-07 常州市武进金城齿轮有限公司 挡板式降噪齿轮

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