CN103195911B - 一种导向轮 - Google Patents

一种导向轮 Download PDF

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CN103195911B
CN103195911B CN201310137063.7A CN201310137063A CN103195911B CN 103195911 B CN103195911 B CN 103195911B CN 201310137063 A CN201310137063 A CN 201310137063A CN 103195911 B CN103195911 B CN 103195911B
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copper
upper saw
saw pulley
wheel road
bit
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CN103195911A (zh
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张文辉
马静
叶晓平
朱银法
胡小平
叶泳东
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Harbin Jincube Mould Manufacturing Co ltd
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Lishui University
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Abstract

本发明公开了一种导向轮，在所述导向轮轮道靠近轴心底部焊有铜，在焊铜与轮道底部接触面之间，轮道底部还镶有一个横截面呈上窄下宽的梯形镶铜，其中心线与轮道底部中心线重合，所述梯形镶铜下宽边沿中心线呈尖角凸起，梯形铜条与轮道底部及焊铜均无缝结合。导向轮可以为铸铁材料。所述焊铜及梯形镶铜为锡黄铜。所述尖角凸起的角度不小于50度。本发明所述的导向轮结构简单、对于导向轮轮道内的焊铜只会出现局部磨损，不会出现大面积或全部脱落，故能有效延长导向轮的使用周期。

Description

一种导向轮
技术领域
本发明涉及机械构造领域，尤其涉及一种导向轮。
背景技术
现有技术中，一些大型起重设备中通常都会使用钢丝绳，而导向轮又是改变钢丝绳运动方向的部件，当钢丝绳在导向轮轮道中经过时，随着钢丝绳的牵引力越大，钢丝绳与导向轮磨擦加大，钢丝绳与导向轮就会损坏加快，为了尽量减少对钢丝绳的磨损，通常都在导向轮轮道底部焊接锡黄铜，原因是锡黄铜的力学性能和工艺性能近似于H90普通黄铜，并且具有高的耐蚀性和减摩性，故锡黄铜可作为耐磨合金使用，同时由于其冷加工性能优良，热弯.热挤性能中等，可切削性中等，又易于焊接。
但是随着长时间的使用，所焊接的锡黄铜还是会从边角最薄处开始脱落，并最终出现大面积或整体脱落，就需要重新进行焊接，这样就降低了导向轮的使用周期。
发明内容
针对现有技术的缺点，本发明的目的在于提供一种结构简单，能有效延长使用周期的导向轮。
本发明采用的技术方案是：一种导向轮，在所述导向轮轮道靠近轴心底部焊有铜，其特征在于：在焊铜与轮道底部接触面之间，轮道底部还镶有一个横截面呈上窄下宽的梯形镶铜，其中心线与轮道底部中心线重合，所述梯形铜条下宽边沿中心线呈尖角凸起，梯形镶铜与轮道底部及焊铜均无缝结合；所述尖角凸起的角度不小于50度。
进一步的，导向轮可以为铸铁材料。
进一步的，所述焊铜及梯形镶铜为锡黄铜。
本发明的有益效果在于：结构简单、对于导向轮轮道内的焊铜只会出现局部磨损，不会出现大面积或全部脱落，故能有效延长导向轮的使用周期。
附图说明
下面结合附图对本发明作进一步的描述。
图1是现有技术中导向轮轮道结构示意图；
图2是本发明导向轮轮道示意图；
1、导向轮2、焊铜3、钢丝绳4、梯形镶铜
具体实施方式
参见附图，本发明一种导向轮，在所述导向轮轮道靠近轴心底部焊有铜，其特征在于：在焊铜与轮道底部接触面之间，轮道底部还镶有一个横截面呈上窄下宽的梯形镶铜，其中心线与轮道底部中心线重合，所述梯形铜条下宽边沿中心线呈尖角凸起，梯形镶铜与轮道底部及焊铜均无缝结合。
进一步的，导向轮可以为铸铁材料。
进一步的，所述焊铜及梯形镶铜为锡黄铜。
进一步的，所述尖角凸起的角度不小于50度。
在此说明了此发明的优选实施例，包括发明人用于实施本发明的已知最佳模式。优选实施例的变更对本领域普通技术人员而言在阅读上述说明后是显而易见的。发明人希望普通技术人员合理应用这样的变更，并且发明人认为与在此明确说明不同的应用也可以实现本发明。因此，本发明包括随附权利要求中所引用的主旨的所有修改及等效形式，这在适用的法律中是允许的。此外，上述要素的所有可能的变更的任何组合也被本发明所包含，除非在此另外指出或者在上下文中明显矛盾。

Claims (1)

1.一种导向轮，在所述导向轮轮道靠近轴心底部焊有铜，其特征在于：所述导向轮为铸铁材料，在焊铜与轮道底部接触面之间，轮道底部还镶有一个横截面呈上窄下宽的梯形镶铜，其中心线与轮道底部中心线重合，所述梯形镶铜下宽边沿中心线呈尖角凸起，梯形镶铜与轮道底部及焊铜均无缝结合，其中所述焊铜及梯形镶铜为锡黄铜；所述尖角凸起的角度不小于50度。
CN201310137063.7A 2013-04-19 2013-04-19 一种导向轮 Active CN103195911B (zh)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB369020A (en) * 1930-10-10 1932-03-17 Continental Gummi Werke Ag Improvements in rope pulleys
GB760903A (en) * 1954-12-10 1956-11-07 Gutehoffnungshuette Sterkrade Improvements in or relating to methods for inserting the lining in the rim of a hoisting rope pulley
GB1355825A (en) * 1971-01-20 1974-06-05 R Habermann Welded rope sheaves
FR2261459B3 (zh) * 1974-02-19 1976-11-26 Biget Lucien
EP0185531A1 (en) * 1984-12-19 1986-06-25 Thomas And Pilliner (Proprietary Limited) Sheave wheel
DE102011003020A1 (de) * 2011-01-24 2012-07-26 Schaeffler Technologies Gmbh & Co. Kg Spann- und/oder Umlenkrolle aus Kunststoff mit einer nanokristallinen Beschichtung
CN203230823U (zh) * 2013-04-19 2013-10-09 苏州铉动三维空间科技有限公司 一种导向轮

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08245187A (ja) * 1995-03-06 1996-09-24 Nippon Shiyouriyoku Sangyo Kenkyusho:Kk シーブおよびその製造方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB369020A (en) * 1930-10-10 1932-03-17 Continental Gummi Werke Ag Improvements in rope pulleys
GB760903A (en) * 1954-12-10 1956-11-07 Gutehoffnungshuette Sterkrade Improvements in or relating to methods for inserting the lining in the rim of a hoisting rope pulley
GB1355825A (en) * 1971-01-20 1974-06-05 R Habermann Welded rope sheaves
FR2261459B3 (zh) * 1974-02-19 1976-11-26 Biget Lucien
EP0185531A1 (en) * 1984-12-19 1986-06-25 Thomas And Pilliner (Proprietary Limited) Sheave wheel
DE102011003020A1 (de) * 2011-01-24 2012-07-26 Schaeffler Technologies Gmbh & Co. Kg Spann- und/oder Umlenkrolle aus Kunststoff mit einer nanokristallinen Beschichtung
CN203230823U (zh) * 2013-04-19 2013-10-09 苏州铉动三维空间科技有限公司 一种导向轮

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