CN102580809A - 一种双动颚式复合多曲柄摇杆机构破碎机 - Google Patents

一种双动颚式复合多曲柄摇杆机构破碎机 Download PDF

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CN102580809A
CN102580809A CN2012100119789A CN201210011978A CN102580809A CN 102580809 A CN102580809 A CN 102580809A CN 2012100119789 A CN2012100119789 A CN 2012100119789A CN 201210011978 A CN201210011978 A CN 201210011978A CN 102580809 A CN102580809 A CN 102580809A
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朱兴良
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Yiwu Lingfeng Intellectual Property Service Co ltd
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Abstract

本发明公开了一种双动颚式复合多曲柄摇杆机构破碎机,结构特征是:动颚由整体状改进为用铰链连接而成的上、下两节动颚组合状,且上、下两节动颚各自配置颚板;摇杆机构设置为上、下双重双动颚式复合多曲柄摇杆机构,它从结构上分别设计上、下两个破碎腔型。上腔为粗破腔,设置大破碎角,实现破碎比最大化;下腔为细破腔,设置小啮合角,实现颗粒均细化,并通过调整肘板长度可分别调节动颚上、下的水平行程,以满足不同工况要求。本发明显著功能效果是:从结构上、技术上、功能上完全实现“一机二级破碎功能”。本发明是一款结构合理、功能优越的高效节能破碎设备。

Description

一种双动颚式复合多曲柄摇杆机构破碎机
技术领域
本发明涉及破碎机械技术领域,更具体地说是一种双动颚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,是历史悠久,使用最广泛的破碎设备之一。
现有技术的颚式破碎机从力学角度看有一个共同的典型结构,即都运用了一套曲柄连杆机构,其偏心驱动轴是曲柄,动颚是连杆,肘板是摇杆,动颚一侧与机器一侧组成一个V型破碎腔,动颚上部直接靠偏心驱动轴获得水平方向的破碎行程,动颚下部靠动颚圆周运动带动肘板摇摆获得水平方向的破碎冲程及排放物料行程。这种结构优点是简单、易制造,成为应用最为广泛的一种破碎机。但缺点是,在这种机构下,由动颚往上拉力带动肘板摇摆产生水平方向的破碎力,是处于“减力效应”的,这就是颚破的一个先天性结构弊端。它是以排放为主要功能设置,而不是以破碎为主要功能设置的。本发明人对此作了改进:用双曲柄摇杆机构代替原来的单曲柄摇杆机构,变动颚下部“减力效应”为“增力效应”,使动颚下部原本以排放功能为主提升为以破碎功能为主的设置(也顺承完成排放功能)。这样,从效果上看,实际上相当于一台设备具有了二级破碎的功能和效果(该项发明本申请人已申报,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)。
上述发明虽然从效果上看,相当于具有二级破碎的功能,但从结构上看,仍然是一个动颚在运动,并不是严格技术意义上的二级破。因为所谓的二级破碎,就是前面的一级粗破连着后面的一级细破。粗碎腔形角度大,水平行程幅度也大;细碎腔体角度小,水平行程幅度也小,并且各个腔体独立可调。显然,单动颚组成的破碎腔是满足不了上述条件的。所以,双曲柄摇杆机构破碎机要实现真正意义上的二级破碎,还需要在结构上作进一步的突破。
发明内容
本发明的目的在于上述现有技术的不足,提供了一种使颚破动颚上部,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双动颚式复合多曲柄摇杆机构破碎机破碎机。
为了达到以上目的,本发明通过以下技术方案实现:一种双动颚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:包括前偏心驱动轴、上节前动颚、下节前动颚;
所述的复合多曲柄摇杆机构的结构:包括后偏心驱动轴、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;
上节前动颚枢接在前偏心驱动轴上,前偏心驱动轴连接在传动机构上;上节前动颚下端与下节前动颚上端相枢接;活动颚板包括上段活动颚板和下段活动颚板,上段活动颚板设置在上节前动颚上,下段活动颚板设置在下节前动颚上;
上段前肘板前端枢接在上节前动颚后侧下方或者下节前动颚后侧上方或者上节前动颚和下节前动颚的枢接轴上,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后偏心驱动轴上,后偏心驱动轴连接在传动机构上;
下段前肘板前端枢接在下节前动颚后侧下方,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。
本发明结构特征:①动颚由整体状改进为用铰链连接而成的上、下两节动颚组合状,且上、下两节动颚各自配置颚板并与机架上设置的固定颚板对峙形成上、下两级破碎腔;②摇杆机构设置有上、下双重双动颚式复合多曲柄摇杆机构。
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:由后偏心驱动轴、上节后动颚、上段前肘板组成一套曲柄摇杆机构,其中后偏心驱动轴为曲柄,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(“后偏心驱动轴+上节后动颚+上段后肘板”一套;“后偏心驱动轴+下节后动颚+下段前肘板”一套;还有“后偏心驱动轴+下节后动颚+下节后肘板”一套),以上四套曲柄摇杆机构相互重叠并复合连接成一体。
复合多曲柄摇杆机构也可看成是上、下两个“双曲柄摇杆机构”的组合体。它具有两个方面的显著功效:
(一)“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。
(二)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、下两级破碎作功的进程与空转的回程是错开的,当上边为破碎作功的进程收紧时,下边是空转的回程放松,当上边为空转的回程放松时,下边是破碎作功的进程收紧。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。
从直观上看,本发明将整体状动颚设计为上、下两节组合状,形成了上、下两个破碎腔型。从技术上看,可分别设置上、下破碎腔型角度。上层破碎腔为粗破,破碎腔角度略大(粗破的破碎腔应考虑破碎比最大化);下层破碎腔为细破,破碎腔角度略小(细破的破碎腔应考虑颗粒均细化)。另外,复合多曲柄摇杆机构还具有动颚上、下部水平行程可根据需要在一定范围内作调节(通过调整肘板长度,肘板长时,水平行程小,肘板短时,水平行程大),以满足不同工况要求。
本发明是结构上、技术上及功能上完全实现“一机二级破碎”的设备。
本发明的有益效果还有:
(一)动颚运动水平行程分布合理,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的,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;
(二)颚破具有“增力效应”后,将实现“层压破碎”等先进的破碎机理,实现“小紧边,大行程”的功能,即“出细料,大产能”的效果。
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。
本发明的核心技术是:将现有技术下的动颚设计为用铰链连接成的上、下两节动颚组合状,且上、下两节动颚各自配置颚板并与机架上设置的固定颚板对峙形成上、下两级破碎腔,再用“复合多曲柄摇杆机构设计”代替“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;同时又实现了真正技术意义上的一机二级破碎的目的。
作为上述方案的替换方案,一种双动颚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:包括前偏心驱动轴、上节前动颚、下节前动颚;
所述的复合多曲柄摇杆机构的结构:包括后偏心驱动轴、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;
上节前动颚枢接在前偏心驱动轴上,前偏心驱动轴连接在传动机构上;上节前动颚下端与下节前动颚上端相枢接;活动颚板包括上段活动颚板和下段活动颚板,上段活动颚板设置在上节前动颚上,下段活动颚板设置在下节前动颚上;
上节后动颚上端枢接在后偏心驱动轴上,下节后动颚上端枢接在上节后动颚下端;后偏心驱动轴连接在传动机构上;
上段前肘板前端枢接在上节前动颚后侧下方或者下节前动颚后侧上方或者上节前动颚和下节前动颚的枢接轴上,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下节前动颚后侧下方,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,传动机构包括前传动齿轮和后传动齿轮,前偏心驱动轴连接在前传动齿轮上,后偏心驱动轴连接在后传动齿轮上,前传动齿轮和后传动齿轮相啮合。
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,将上述双动颚式复合多曲柄摇杆机构破碎机结构倒置设置。
将上述正置双动颚式复合多曲柄摇杆机构破碎机改为倒置型,即将前偏心轴设置在设备下部。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-上段活动颚板,4-前偏心驱动轴,5-后偏心驱动轴,6-上节前动颚,7-下节前动颚,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-前传动齿轮,15-后传动齿轮,16-下段活动颚板。
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,一种双动颚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。
上节前动颚6枢接在前偏心驱动轴4上,前偏心驱动轴4设置在机架1上,上节前动颚6下端与下节前动颚7上端相枢接。
上节后动颚10下端与下节后动颚11上端均枢接在后偏心驱动轴5上,后偏心驱动轴5设置在机架1上。
前偏心驱动轴4连接在前传动齿轮14上,后偏心驱动轴5连接在后传动齿轮15上,前传动齿轮14和后传动齿轮15相啮合。
上段前肘板8前端枢接在下节前动颚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前端枢接在下节前动颚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。
活动颚板包括上段活动颚板3和下段活动颚板16,上段活动颚板3设置在上节前动颚6上,下段活动颚板16设置在下节前动颚7上。上段活动颚板3和下段活动颚板16分别与固定颚板2上、下部分对峙形成上、下两级破碎腔。
实施例2:上段前肘板8前端枢接在上节前动颚6后侧下方;其余同实施例1。
实施例3:上段前肘板8前端枢接在上节前动颚6和下节前动颚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中双动颚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,一种双动颚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。
上节前动颚6枢接在前偏心驱动轴4上,前偏心驱动轴4安装在机架1上,上节前动颚6下端与下节前动颚7上端相枢接。
上节后动颚10上端枢接在后偏心驱动轴5上,下节后动颚11上端枢接在上节后动颚10下端;后偏心驱动轴5设置在机架1上。
前偏心驱动轴4连接在前传动齿轮14上,后偏心驱动轴5连接在后传动齿轮15上,前传动齿轮14和后传动齿轮15相啮合。
上段前肘板8前端枢接在下节前动颚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前端枢接在下节前动颚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。
活动颚板包括上段活动颚板3和下段活动颚板16,上段活动颚板3设置在上节前动颚6上,下段活动颚板16设置在下节前动颚7上。上段活动颚板3和下段活动颚板16分别与固定颚板2上、下部分对峙形成上、下两级破碎腔。
实施例6:上段前肘板8前端枢接在上节前动颚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前端枢接上节前动颚6和下节前动颚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中双动颚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)

1.一种双动颚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:包括前偏心驱动轴、上节前动颚、下节前动颚;
所述的复合多曲柄摇杆机构的结构:包括后偏心驱动轴、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;
上节前动颚枢接在前偏心驱动轴上,前偏心驱动轴连接在传动机构上;上节前动颚下端与下节前动颚上端相枢接;活动颚板包括上段活动颚板和下段活动颚板,上段活动颚板设置在上节前动颚上,下段活动颚板设置在下节前动颚上;
上段前肘板前端枢接在上节前动颚后侧下方或者下节前动颚后侧上方或者上节前动颚和下节前动颚的枢接轴上,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后偏心驱动轴上,后偏心驱动轴连接在传动机构上;
下段前肘板前端枢接在下节前动颚后侧下方,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。
2.一种双动颚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:包括前偏心驱动轴、上节前动颚、下节前动颚;
所述的复合多曲柄摇杆机构的结构:包括后偏心驱动轴、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;
上节前动颚枢接在前偏心驱动轴上,前偏心驱动轴连接在传动机构上;上节前动颚下端与下节前动颚上端相枢接;活动颚板包括上段活动颚板和下段活动颚板,上段活动颚板设置在上节前动颚上,下段活动颚板设置在下节前动颚上;
上节后动颚上端枢接在后偏心驱动轴上,下节后动颚上端枢接在上节后动颚下端;后偏心驱动轴连接在传动机构上;
上段前肘板前端枢接在上节前动颚后侧下方或者下节前动颚后侧上方或者上节前动颚和下节前动颚的枢接轴上,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下节前动颚后侧下方,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所述的双动颚式复合多曲柄摇杆机构破碎机,其特征在于,传动机构包括前传动齿轮和后传动齿轮,前偏心驱动轴连接在前传动齿轮上,后偏心驱动轴连接在后传动齿轮上,前传动齿轮和后传动齿轮相啮合。
4.根据权利要求3所述的双动颚式复合多曲柄摇杆机构破碎机,其特征在于,将上述双动颚式复合多曲柄摇杆机构破碎机结构倒置设置。
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Application publication date: 20120718

Assignee: Huili Qiantu Industry and Trade Co.,Ltd.

Assignor: Yiwu Lingfeng Intellectual Property Service Co.,Ltd.

Contract record no.: X2022330000679

Denomination of invention: A crusher with double action jaw type compound multi crank rocker mechanism

Granted publication date: 20150715

License type: Common License

Record date: 20221122

Application publication date: 20120718

Assignee: Zhejiang Lishui Siyuan Mining Machinery Co.,Ltd.

Assignor: Yiwu Lingfeng Intellectual Property Service Co.,Ltd.

Contract record no.: X2022330000678

Denomination of invention: A crusher with double action jaw type compound multi crank rocker mechanism

Granted publication date: 20150715

License type: Common License

Record date: 20221122

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Application publication date: 20120718

Assignee: Jinhua Electromechanical Product Simulation Technology Research Institute

Assignor: Yiwu Lingfeng Intellectual Property Service Co.,Ltd.

Contract record no.: X2022330000682

Denomination of invention: A crusher with double action jaw type compound multi crank rocker mechanism

Granted publication date: 20150715

License type: Common License

Record date: 20221127

Application publication date: 20120718

Assignee: Yiwu Ruyuan Environmental Protection Technology Co.,Ltd.

Assignor: Yiwu Lingfeng Intellectual Property Service Co.,Ltd.

Contract record no.: X2022330000683

Denomination of invention: A crusher with double action jaw type compound multi crank rocker mechanism

Granted publication date: 20150715

License type: Common License

Record date: 20221127

Application publication date: 20120718

Assignee: Changshan Haihang Building Materials Co.,Ltd.

Assignor: Yiwu Lingfeng Intellectual Property Service Co.,Ltd.

Contract record no.: X2022330000681

Denomination of invention: A crusher with double action jaw type compound multi crank rocker mechanism

Granted publication date: 20150715

License type: Common License

Record date: 20221127

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Application publication date: 20120718

Assignee: Yichang Linglu Technology Co.,Ltd.

Assignor: Yiwu Lingfeng Intellectual Property Service Co.,Ltd.

Contract record no.: X2023330000897

Denomination of invention: A double action jaw composite multi crank rocker mechanism crusher

Granted publication date: 20150715

License type: Common License

Record date: 20231205

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Application publication date: 20120718

Assignee: Zhejiang Zhitong Machinery Equipment Leasing Co.,Ltd.

Assignor: Yiwu Lingfeng Intellectual Property Service Co.,Ltd.

Contract record no.: X2023330000959

Denomination of invention: A double action jaw composite multi crank rocker mechanism crusher

Granted publication date: 20150715

License type: Common License

Record date: 20231227

Application publication date: 20120718

Assignee: Zhejiang Caimao Construction Group Co.,Ltd.

Assignor: Yiwu Lingfeng Intellectual Property Service Co.,Ltd.

Contract record no.: X2023330000958

Denomination of invention: A double action jaw composite multi crank rocker mechanism crusher

Granted publication date: 20150715

License type: Common License

Record date: 20231227

Application publication date: 20120718

Assignee: Yichang Jiaxinping Technology Co.,Ltd.

Assignor: Yiwu Lingfeng Intellectual Property Service Co.,Ltd.

Contract record no.: X2023330000956

Denomination of invention: A double action jaw composite multi crank rocker mechanism crusher

Granted publication date: 20150715

License type: Common License

Record date: 20231225

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Application publication date: 20120718

Assignee: Yiwu Jiacheng Machinery Technology Co.,Ltd.

Assignor: Yiwu Lingfeng Intellectual Property Service Co.,Ltd.

Contract record no.: X2023330000963

Denomination of invention: A double action jaw composite multi crank rocker mechanism crusher

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License type: Common License

Record date: 20231227

Application publication date: 20120718

Assignee: Yiwu Louxia Municipal Engineering Co.,Ltd.

Assignor: Yiwu Lingfeng Intellectual Property Service Co.,Ltd.

Contract record no.: X2023330000962

Denomination of invention: A double action jaw composite multi crank rocker mechanism crusher

Granted publication date: 20150715

License type: Common License

Record date: 20231227

Application publication date: 20120718

Assignee: Zhejiang Qianqiu Decoration Engineering Co.,Ltd.

Assignor: Yiwu Lingfeng Intellectual Property Service Co.,Ltd.

Contract record no.: X2023330000961

Denomination of invention: A double action jaw composite multi crank rocker mechanism crusher

Granted publication date: 20150715

License type: Common License

Record date: 20231227

Application publication date: 20120718

Assignee: Yiwu Zhongheng Construction Co.,Ltd.

Assignor: Yiwu Lingfeng Intellectual Property Service Co.,Ltd.

Contract record no.: X2023330000960

Denomination of invention: A double action jaw composite multi crank rocker mechanism crusher

Granted publication date: 20150715

License type: Common License

Record date: 20231227

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