CN102580806A - 一种动颚悬挂式复合多曲柄摇杆机构破碎机 - Google Patents

一种动颚悬挂式复合多曲柄摇杆机构破碎机 Download PDF

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CN102580806A
CN102580806A CN2012100098208A CN201210009820A CN102580806A CN 102580806 A CN102580806 A CN 102580806A CN 2012100098208 A CN2012100098208 A CN 2012100098208A CN 201210009820 A CN201210009820 A CN 201210009820A CN 102580806 A CN102580806 A CN 102580806A
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朱兴良
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Yiwu Lingfeng Intellectual Property Service Co ltd
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Abstract

本发明公开了一种动颚悬挂式复合多曲柄摇杆机构破碎机,其结构是:动颚由原整体状设计为用铰链连接而成的两节组合状;肘板机构由一个“复合多曲柄摇杆机构”代替;“复合多曲柄摇杆机构”中的偏心轴为本发明破碎机的驱动轴。本发明的显著效果是:使动颚上、下部共同具有“增力效应”的破碎力;动颚运动水平行程分布更合理,并可控可调;运动轨迹十分理想,即其动颚运动轨迹在水平行程方向上(垂直行程几乎没有);更重要的是克服了现有技术下颚破半程作功的先天性弊端,实现了全程作功。本发明是一款结构新颖、性能优越的新版本复摆颚式破碎机。

Description

一种动颚悬挂式复合多曲柄摇杆机构破碎机
技术领域
本发明涉及颚式破碎机械技术领域,更具体地说是一种动颚悬挂式复合多曲柄摇杆机构破碎机。
背景技术
颚式破碎机,俗称颚破,是历史最悠久、使用最广泛的破碎设备之一。
简摆颚式破碎机是颚式破碎机中使用最早的基本机型之一,这种破碎机是由动颚绕同心支撑轴做简单摆动(即扇形摆动),故称简摆颚式破碎机(简称简摆破)。
简摆破的优点是肘板机构具有“增力效应”,即在运行中,给连杆垂直方向施以较小的力就能通过前肘板给前动颚水平方向产生一个很大的破碎力,这对破碎作功极为有利。而其最大的缺点是水平行程上、下分布不合理。简摆破以同心支撑轴为悬挂点做扇形运动,它的水平行程是上部小、下部大;而破碎腔中的物料分布是上腔物料大(大块要求有较大的压碎行程),下腔物料小(小块要求较小的压碎行程),简摆破的结构特征与实际破碎所需刚好相反。所以,简摆破破碎效率低,产量不高,正因如此,简摆破已逐步退出市场,而由另一机型——复摆颚式破碎机(简称复摆破)所取代。
申请人认为:如能将简摆破重新设计,将上述缺点消除,同时充分发挥原有的优点,那将是一款全新的、高效率的破碎设备机型。
发明内容
本发明的目的在于针对上述现有技术的不足,提供了使颚破动颚上部、下部都具有“增力效应”,最大限度提升颚破的破碎功能与效率的一种动颚悬挂式复合多曲柄摇杆机构破碎机。
为了达到以上目的,本发明通过以下技术方案实现:一种动颚悬挂式复合多曲柄摇杆机构破碎机,包括机架、传动机构、动颚机构、复合多曲柄摇杆机构、固定颚板和活动颚板,固定颚板和活动颚板对峙形成破碎腔,固定颚板设置在机架上,活动颚板设置在动颚机构上,动颚机构与复合多曲柄摇杆机构相连接,其特征在于,所述的动颚机构的结构:包括同心支撑轴、连接板、前动颚;
所述的复合多曲柄摇杆机构的结构:包括偏心驱动轴、上段前肘板、上段后肘板、上节后动颚、下节后动颚、下段前肘板和下段后肘板;
连接板枢接在同心支撑轴上,同心支撑轴设置在机架上,连接板下端与前动颚上端相枢接;活动颚板设置在前动颚上;
上段前肘板前端枢接在连接板后侧下方或者前动颚后侧上方或者连接板和前动颚的枢接轴上,后端枢接在上节后动颚前侧上方;上段后肘板前端枢接在上节后动颚后侧上方,后端枢接在机架上;
上节后动颚下端与下节后动颚上端均枢接在偏心驱动轴上,偏心驱动轴连接在传动机构上;
下段前肘板前端枢接在前动颚后侧下方,后端枢接在下节后动颚前侧下方;下段后肘板前端枢接在下节后动颚后侧下方,后端枢接在机架上。
本发明显著的结构特征是:①动颚由原整体状重新设计为用铰链连接而成的两节组合状,即由连接板、动颚、同心支撑轴、铰链轴组成动颚总成;②肘板机构由一个“复合多曲柄摇杆机构”取代;③“复合多曲柄摇杆机构”中的偏心驱动轴作为本发明破碎机的驱动轴。
复合多曲柄摇杆机构是本发明中的一个重要亮点,它是这样一套机构:由偏心驱动轴、上节后动颚、上段前肘板组成一套曲柄摇杆机构,其中偏心驱动轴为曲柄,上节后动颚为连杆,上段前肘板为摇杆。同理,另外还有三个曲柄摇杆机构(“偏心驱动轴+上节后动颚+上段后肘板”一套;“偏心驱动轴+下节后动颚+下段前肘板”一套;还有“偏心驱动轴+下节后动颚+下节后肘板”一套)。以上四套曲柄摇杆机构相互叠置并复合连接成一体。
复合多曲柄摇杆机构也可看成是上、下两级“双曲柄摇杆机构”的复合体。它具有两个方面的显著功效:
<1>“双曲柄摇杆机构”具有“增力效应”的破碎力,使破碎机具有高效率,(详见本发明人先前申请的发明,申请号为:201110092031.0,发明名称为:一种具有双轴双曲柄摇杆机构的颚式破碎机)。但双曲柄摇杆机构只使动颚下部具有“增力效应”的破碎力,而动颚上部则没有。本发明中的复合多曲柄摇杆机构使动颚上、下部都具有“增力效应”的破碎力,使破碎机的破碎效率更高。
<2>复合多曲柄摇杆机构的上、下两级“双曲柄摇杆机构”的运动(即一紧一松运动)可有多种组合:①可以同步一紧一松;②也可以反向一紧一松,即上、下两级的进程破碎作功与回程空转是错开的,当上边为进程破碎作功收紧时,下边是回程空转放松,当上边为回程放松时,下边是进程破碎作功收紧。这样,后偏心驱动轴就处于全程驱动作功状态。至此,现有技术颚式破碎机半程作功的先天性弊端就由本发明攻克消除了。
从直观看,本发明似乎是一种创新的简摆破,但从运动轨迹看,本发明不是“简摆”运动,而是“复摆”运动,所以从技术上和效果上看,本发明是创新的另一版本的复摆破。
而本发明的这一新版本的复摆颚式破碎机性能要比已普遍使用的现有技术复摆颚式破碎机优越得多:
①高效节能。现有技术“复摆式”颚破是单曲柄摇杆机构,肘板结构处于“减力效应”状态,而本发明的新版本复摆式颚破肘板结构是处于“增力效应”状态,并且是具有上、下双层“增力效应”;与现有技术复摆式颚破相比,本发明具有两级破碎的功能效率,是一款高效节能的设备。
②动颚运动水平行程分布更合理,并可控可调。虽然现有技术复摆破要比简摆破的动颚水平行程合理,但复摆破上部行程不可调,而本发明是上、下水平行程都可调,能使破碎机始终处于最佳状态工作;
③运动轨迹十分理想。业内技术界普遍认为,颚破动颚理想的运动轨迹应是要求水平行程大而垂直行程小。本发明的动颚运动轨迹实际上完全处于水平行程方向上,垂直行程方向上几乎没有(由圆弧运动产生的上、下行程很微小,可忽略不计),是十分理想的动颚运动轨迹;
④使颚破实现全程作功。由于机构所致,现有技术颚破是半程作功的设备,另一半程是回程空转不作功的,故颚破需配置一对笨重的飞轮,这也是颚破的一大明显特征(飞轮起平衡作用,回程空转不作功时起储能作用,然后再在作功的半程中起放能增力作用)。本发明的复合多曲柄摇杆机构是上、下两级的“双曲柄摇杆机构”,如将调至反向异步一紧一松运动工作状态,上、下两级交错互补,即上级收紧时,下层放松,上层放松时,下层收紧,周而复始,这样就实现了全程作功,由此可免除一对笨重的飞轮,节约制造成本及运行耗功。
颚破改半程作功特性为全程作功特征,是一步重要的革命性进步。
⑤颚破具有“增力效应”后,将实现“层压破碎”等先进的破碎机理,获得“小紧边,大冲程”,即“出细料,大产能”的显著效果。
总之,本发明与现有技术颚破相比,是结构新颖,性能优越的破碎设备。
本发明的核心技术:将现有技术颚破的动颚设计为用铰链连接成的两节组合状,再用“复合多曲柄摇杆机构设计”取代“双曲柄摇杆机构设计”,使动颚上、下部共同具有“增力效应”的破碎力,并克服了现有技术颚破半程作功的先天性弊端,实现了全程作功。
本发明的显著效果:使动颚上、下部共同具有“增力效应”的破碎力;动颚运动水平行程分布更合理,并可控可调;运动轨迹十分理想,即其动颚运动轨迹完全是水平行程,垂直行程几乎是零;更重要的是克服了现有技术颚破半程作功的先天性弊端,实现了全程作功。
作为上述方案的替换方案,一种动颚悬挂式复合多曲柄摇杆机构破碎机,包括机架、传动机构、动颚机构、复合多曲柄摇杆机构、固定颚板和活动颚板,固定颚板和活动颚板对峙形成破碎腔,固定颚板设置在机架上,活动颚板设置在动颚机构上,动颚机构与复合多曲柄摇杆机构相连接,其特征在于,所述的动颚机构的结构:包括同心支撑轴、连接板、前动颚;
所述的复合多曲柄摇杆机构的结构:包括偏心驱动轴、上段前肘板、上段后肘板、上节后动颚、下节后动颚、下段前肘板和下段后肘板;
连接板枢接在同心支撑轴上,同心支撑轴设置在机架上,连接板下端与前动颚上端相枢接;活动颚板设置在前动颚上;
上节后动颚上端枢接在偏心驱动轴上,下节后动颚上端枢接在上节后动颚下端;偏心驱动轴连接在传动机构上;
上段前肘板前端枢接在连接板后侧下方或者前动颚后侧上方或者连接板和前动颚的枢接轴上,相应地上段前肘板后端枢接在上节后动颚前侧下方或者下节后动颚前侧上方或者上节后动颚和下节后动颚的枢接轴上;同时上段后肘板前端也相应地枢接在上节后动颚后侧下方或者下节后动颚后侧上方或者上节后动颚和下节后动颚的枢接轴上,后端枢接在机架上;
下段前肘板前端枢接在前动颚后侧下方,后端枢接在下节后动颚前侧下方;下段后肘板前端枢接在下节后动颚后侧下方,后端枢接在机架上。
当前动颚后端空间过小,后偏心驱动轴以及后动颚不方便设置时,将后偏心驱动轴设置在上侧,后动颚的上下两段枢接,同样能达到上述效果。
作为优选,传动机构包括传动轮,偏心驱动轴连接在传动轮上。
在上述结构中,上、下摇杆机构(上摇杆机构由上段前肘板、上节后动颚、上段后肘板组成,下摇杆机构由下段前肘板、下节后动颚和下段后肘板组成)的上、下止点紧边和松边错开互补设置,即上摇杆机构为紧边止点时,下摇杆机构则为松边止点,反之亦然。这样得到的有益效果是偏心轴没有了返空回程(即在全程作功),设备运行更合理。在这种状况下可免除飞轮设置,简化了设备结构。
作为优选,将上述动颚悬挂式复合多曲柄摇杆机构结构倒置设置。
将上述正置动颚悬挂式复合多曲柄摇杆机构改为倒置型,即将前偏心驱动轴设置在设备下部。倒置结构带来的有益效果有二:①设备重心降低,运行更平稳,且更适合井下使用。②有利于需要设置破碎腔上部冲程比下部大的工况,它符合物料颗粒上部大,所需冲程也大,下部物料颗粒小,所需冲程也小的客观要求。
附图说明
图1为本发明的一种结构示意图;
图2为本发明的另一种结构示意图;
图3为本发明的还一种结构示意图;
图4为本发明的再一种结构示意图。
图中:1-机架,2-固定颚板,3-活动颚板,4-同心支撑轴,5-偏心驱动轴,6-连接板,7-前动颚,8-上段前肘板,9-上段后肘板,10-上节后动颚,11-下节后动颚,12-下段前肘板,13-下段后肘板,14-传动轮。
具体实施方式
下面结合附图和具体实施例对本发明作进一步的说明。
实施例1:如图1所示,一种动颚悬挂式复合多曲柄摇杆机构破碎机,包括机架1,机架1上设置有固定颚板2。
连接板6枢接在同心支撑轴4上,同心支撑轴4(也就是我们所说的直轴)轴接在机架1上,连接板6下端与前动颚7上端相枢接;活动颚板3设置在前动颚7上;固定颚板2和活动颚板3对峙形成破碎腔。
上节后动颚10下端与下节后动颚11上端均枢接在偏心驱动轴5上,偏心驱动轴5连接在传动轮14上。
上段前肘板8前端枢接在前动颚7后侧上方,后端枢接在上节后动颚10前侧上方;上段后肘板9前端枢接在上节后动颚10后侧上方,后端枢接在机架1上。
下段前肘板12前端枢接在前动颚7后侧下方,后端枢接在下节后动颚11前侧下方;下段后肘板13前端枢接在下节后动颚11后侧下方,后端枢接在机架1上。
实施例2:上段前肘板8前端枢接在连接板6后侧下方;其余同实施例1。
实施例3:上段前肘板8前端枢接在连接板6和前动颚7的枢接轴上;其余同实施例1。
实施例4:如图3所示,将上述实施例1中动颚悬挂式复合多曲柄摇杆机构破碎机结构倒置设置。
实施例5:如图2所示,一种动颚悬挂式复合多曲柄摇杆机构破碎机,包括机架1,机架1上设置有固定颚板2。
连接板6枢接在同心支撑轴4上,同心支撑轴4(同心支撑轴4也就是我们所说的直轴)轴接在机架1上,连接板6下端与前动颚7上端相枢接;活动颚板3设置在前动颚7上;固定颚板2和活动颚板3对峙形成破碎腔。
上节后动颚10上端枢接在偏心驱动轴5上,下节后动颚11上端枢接在上节后动颚10下端;偏心驱动轴5连接在传动轮14上。
上段前肘板8前端枢接在前动颚7后侧上方,后端枢接在下节后动颚11前侧上方;同时上段后肘板9前端枢接在下节后动颚11后侧上方,后端枢接在机架1上;
下段前肘板12前端枢接在前动颚7后侧下方,后端枢接在下节后动颚11前侧下方;下段后肘板13前端枢接在下节后动颚11后侧下方,后端枢接在机架1上。
实施例6:上段前肘板8前端枢接在连接板6后侧下方,后端枢接在上节后动颚10前侧下方;同时上段后肘板9前端枢接在上节后动颚10后侧下方,后端枢接在机架1上;其余同实施例5。
实施例7:上段前肘板8前端枢接连接板6和前动颚7的枢接轴上,相应地后端枢接在上节后动颚10和下节后动颚11的枢接轴上;同时上段后肘板9前端也相应地枢接在上节后动颚10和下节后动颚11的枢接轴上,后端枢接在机架1上;其余同实施例5。
实施例8:如图4所示,将上述实施例5中动颚悬挂式复合多曲柄摇杆机构破碎机结构倒置设置。
以上所述之实施例仅为本发明之较佳实施例,并非以此限制本发明的实施范围,故凡依本发明之形状、原理所作的变化,均应涵盖在本发明的保护范围内。

Claims (4)

1.一种动颚悬挂式复合多曲柄摇杆机构破碎机,包括机架、传动机构、动颚机构、复合多曲柄摇杆机构、固定颚板和活动颚板,固定颚板和活动颚板对峙形成破碎腔,固定颚板设置在机架上,活动颚板设置在动颚机构上,动颚机构与复合多曲柄摇杆机构相连接,其特征在于,所述的动颚机构的结构:包括同心支撑轴、连接板、前动颚;
所述的复合多曲柄摇杆机构的结构:包括偏心驱动轴、上段前肘板、上段后肘板、上节后动颚、下节后动颚、下段前肘板和下段后肘板;
连接板枢接在同心支撑轴上,同心支撑轴设置在机架上,连接板下端与前动颚上端相枢接;活动颚板设置在前动颚上;
上段前肘板前端枢接在连接板后侧下方或者前动颚后侧上方或者连接板和前动颚的枢接轴上,后端枢接在上节后动颚前侧上方;上段后肘板前端枢接在上节后动颚后侧上方,后端枢接在机架上;
上节后动颚下端与下节后动颚上端均枢接在偏心驱动轴上,偏心驱动轴连接在传动机构上;
下段前肘板前端枢接在前动颚后侧下方,后端枢接在下节后动颚前侧下方;下段后肘板前端枢接在下节后动颚后侧下方,后端枢接在机架上。
2.一种动颚悬挂式复合多曲柄摇杆机构破碎机,包括机架、传动机构、动颚机构、复合多曲柄摇杆机构、固定颚板和活动颚板,固定颚板和活动颚板对峙形成破碎腔,固定颚板设置在机架上,活动颚板设置在动颚机构上,动颚机构与复合多曲柄摇杆机构相连接,其特征在于,所述的动颚机构的结构:包括同心支撑轴、连接板、前动颚;
所述的复合多曲柄摇杆机构的结构:包括偏心驱动轴、上段前肘板、上段后肘板、上节后动颚、下节后动颚、下段前肘板和下段后肘板;
连接板枢接在同心支撑轴上,同心支撑轴设置在机架上,连接板下端与前动颚上端相枢接;活动颚板设置在前动颚上;
上节后动颚上端枢接在偏心驱动轴上,下节后动颚上端枢接在上节后动颚下端;偏心驱动轴连接在传动机构上;
上段前肘板前端枢接在连接板后侧下方或者前动颚后侧上方或者连接板和前动颚的枢接轴上,相应地上段前肘板后端枢接在上节后动颚前侧下方或者下节后动颚前侧上方或者上节后动颚和下节后动颚的枢接轴上;同时上段后肘板前端也相应地枢接在上节后动颚后侧下方或者下节后动颚后侧上方或者上节后动颚和下节后动颚的枢接轴上,后端枢接在机架上;
下段前肘板前端枢接在前动颚后侧下方,后端枢接在下节后动颚前侧下方;下段后肘板前端枢接在下节后动颚后侧下方,后端枢接在机架上。
3.根据权利要求1或2所述的动颚悬挂式复合多曲柄摇杆机构破碎机,其特征在于,传动机构包括传动轮,偏心驱动轴连接在传动轮上。
4.根据权利要求3所述的动颚悬挂式复合多曲柄摇杆机构破碎机,其特征在于,将上述动颚悬挂式复合多曲柄摇杆机构破碎机结构倒置设置。
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