CN101947475B - Cone crusher - Google Patents

Cone crusher Download PDF

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CN101947475B
CN101947475B CN2010102883754A CN201010288375A CN101947475B CN 101947475 B CN101947475 B CN 101947475B CN 2010102883754 A CN2010102883754 A CN 2010102883754A CN 201010288375 A CN201010288375 A CN 201010288375A CN 101947475 B CN101947475 B CN 101947475B
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main shaft
mantle
disk
piston
frame
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CN101947475A (en
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陈立波
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Zhejiang mining heavy industry Co.,Ltd.
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CHANGXING CHANGHONG LUQIAO MACHINERY Co Ltd
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Abstract

The invention discloses a cone crusher, which comprises a frame and a movable cone main shaft arranged in the frame, wherein the lower end of the movable cone main shaft is provided with an eccentric mechanism, the eccentric mechanism is in transmission connection with a transmission assembly, a supporting assembly for supporting the movable cone main shaft is arranged below the eccentric mechanism, a hydraulic lifting system for changing the height of the supporting assembly is arranged below the supporting assembly, the hydraulic lifting system comprises a hydraulic cylinder body which is fixed on the lower part of the frame and provided with a cavity and a piston which is arranged in the cavity and moves up and down, the supporting assembly is arranged at the upper end of the piston, and the lower end of the hydraulic cylinder body is provided with a hydraulic oil port which is externally connected with a hydraulic station and communicated with the cavity. The cone crusher has the advantages of novel and unique structure and stable operation, improves the rotational speed of an eccentric sleeve, improves the work efficiency and yield thereof, prolongs the service life of a machine, reduces the use cost and avoids 'teleflex' and running vehicle.

Description

一种圆锥破碎机a cone crusher

技术领域 technical field

本发明涉及矿山机械设备,特别是一种圆锥破碎机。The invention relates to mining machinery equipment, in particular to a cone crusher.

背景技术 Background technique

传统的液压圆锥破碎机多为滑动偏心轴套的回转机构,动锥摆动速度低,破碎效率低,如中国国家知识产权局在2009年1月14日授权公告的一个名称为“圆锥破碎机”的发明专利,授权公告号为CN201179454Y,该专利说明书中公开了一种圆锥破碎机,包括机架和主轴,机架下部正中央装有偏心轴套,偏心轴套上部安装大圆锥齿轮,机架中部装有碗形轴承架,圆锥躯体固装在主轴上端并坐在碗形轴承架上,主轴下端穿过碗形轴承架后插在偏心轴套内,破碎壁固装在圆锥躯体上,轧臼壁置于调整套内侧形成定锥,而与大圆锥齿轮相啮合的小圆锥齿轮则通过传动轴和联轴器与电动机动力相连。采用干油密封,还存在如下缺陷:偏心轴套与主轴间磨损量大;如果主轴自转速度过低,会造成“转套”,将加快偏心轴套的偏磨损;由于主轴与偏心轴套有间隙存在,当破碎机由空载转为重载时,偏心轴套将受到一次载荷冲击,会导致偏心轴套发生破裂;如果主轴与偏心轴套间隙过小,又会造成飞车现象,即主轴与偏心轴套发生抱死;偏心轴套转速难以提高,且磨损量大;单从这一机构本身的来计算,其成本较低;但如果综合考虑,例如考虑维修,事故以及停车造成的客户损失来看,其成本却很高;底部支承盘的端面是平面结构,没有储油槽,因而圆盘之间摩擦阻力大、磨损速度快。Most of the traditional hydraulic cone crushers are rotary mechanisms with sliding eccentric shaft sleeves, the swing speed of the moving cone is low, and the crushing efficiency is low. For example, a name authorized by the State Intellectual Property Office of China on January 14, 2009 is called "cone crusher". The patent for invention, the authorized announcement number is CN201179454Y, the patent specification discloses a cone crusher, including a frame and a main shaft, an eccentric shaft sleeve is installed in the center of the lower part of the frame, a large conical gear is installed on the upper part of the eccentric shaft sleeve, and the frame There is a bowl-shaped bearing frame in the middle, and the cone body is fixed on the upper end of the main shaft and sits on the bowl-shaped bearing frame. The lower end of the main shaft passes through the bowl-shaped bearing frame and is inserted into the eccentric shaft sleeve. The acetabular wall is placed inside the adjustment sleeve to form a fixed cone, and the small bevel gear meshed with the large bevel gear is connected to the motor power through a transmission shaft and a coupling. The use of dry oil seal also has the following defects: the amount of wear between the eccentric bushing and the main shaft is large; if the main shaft's self-rotating speed is too low, it will cause "turning sleeves", which will accelerate the partial wear of the eccentric bushing; There is a gap, when the crusher changes from no-load to heavy-load, the eccentric bushing will be impacted by a load, which will cause the eccentric bushing to break; if the gap between the main shaft and the eccentric bushing is too small, it will cause a speeding phenomenon, that is, the main shaft Locking occurs with the eccentric shaft sleeve; the speed of the eccentric shaft sleeve is difficult to increase, and the amount of wear is large; the cost of the mechanism itself is relatively low; but if comprehensive consideration is taken into account, such as maintenance, accidents, and customers caused by parking In terms of loss, its cost is very high; the end face of the bottom support disc is a plane structure without an oil storage tank, so the frictional resistance between the discs is large and the wear speed is fast.

发明内容 Contents of the invention

本发明所要解决的问题就是提供一种结构新颖、独特、运转平稳的圆锥破碎机,提高了偏心套的转速,提供圆锥破碎机工作效率和产量,提高了机器的使用寿命,降低了使用成本,避免“转套”和飞车的发生。The problem to be solved by the present invention is to provide a cone crusher with novel structure, uniqueness and stable operation, which improves the rotating speed of the eccentric sleeve, improves the working efficiency and output of the cone crusher, improves the service life of the machine, and reduces the use cost. Avoid the occurrence of "turning sleeve" and flying car.

为了解决上述技术问题,本发明采用如下技术方案:一种圆锥破碎机,包括机架和设在机架内的动锥主轴,动锥主轴下端设有偏心机构,偏心机构与传动组件传动连接,偏心机构下方设有支承动锥主轴的支承组件,在支承组件下方设有改变支承组件高度的液压升降系统,其特征在于:所述液压升降系统包括固定在机架下部具有内腔的液压缸体和设在内腔中上下运动的活塞,所述支承组件设在活塞的上端,在液压缸体下端设有外接液压站的液压油口与内腔连通。In order to solve the above-mentioned technical problems, the present invention adopts the following technical solutions: a cone crusher, including a frame and a movable cone main shaft arranged in the frame, an eccentric mechanism is provided at the lower end of the movable cone main shaft, and the eccentric mechanism is connected to the transmission assembly by transmission. Below the eccentric mechanism is a support assembly supporting the main shaft of the movable cone, and a hydraulic lifting system for changing the height of the support assembly is provided below the support assembly. and a piston that moves up and down in the inner chamber, the support assembly is arranged on the upper end of the piston, and a hydraulic oil port connected to an external hydraulic station is provided at the lower end of the hydraulic cylinder body to communicate with the inner chamber.

进一步的,所述液压缸体上设有润滑通道I,在活塞上设有润滑通道II,润滑通道I和润滑通道II连通,润滑通道I的入口设在液压缸体的外侧壁下端,润滑通道II的出口设在活塞的上端面上。Further, the hydraulic cylinder block is provided with a lubricating channel I, and the piston is provided with a lubricating channel II, the lubricating channel I communicates with the lubricating channel II, the entrance of the lubricating channel I is located at the lower end of the outer wall of the hydraulic cylinder block, and the lubricating channel The outlet of II is located on the upper end face of the piston.

进一步的,所述机架包括上机架和下机架,动锥主轴的上端通过轴承件定位在上机架中,动锥主轴的下端穿过偏心机构压在支承组件上,动锥主轴上设有动锥体;所述传动组件包括设在下机架中的传动主轴,传动主轴的内端设有锥齿轮与偏心机构连动,传动主轴的外端伸出下机架并设有用于与电机连动的带轮。Further, the frame includes an upper frame and a lower frame, the upper end of the movable cone main shaft is positioned in the upper frame through bearings, the lower end of the movable cone main shaft passes through the eccentric mechanism and is pressed on the supporting assembly, and the movable cone main shaft is A moving cone is provided; the transmission assembly includes a transmission main shaft arranged in the lower frame, the inner end of the transmission main shaft is provided with a bevel gear for linkage with the eccentric mechanism, and the outer end of the transmission main shaft extends out of the lower frame and is provided with a The pulley driven by the motor.

进一步的,所述动锥主轴上设有直径变大的阶梯段,动锥体中设有与阶梯段配合的阶梯孔将动锥体定位在动锥主轴上,在动锥体上设有锥体套,在动锥主轴上还设有与动锥主轴螺纹配合的螺纹衬套,螺纹衬套压在锥体套上使锥体套的下端内侧面抵在动锥体下端外侧面上。Further, the movable cone main shaft is provided with a stepped section with a larger diameter, and the movable cone is provided with a stepped hole matched with the stepped section to position the movable cone on the main shaft of the movable cone, and a cone is arranged on the movable cone. The body cover is also provided with a threaded bushing matched with the thread of the movable cone main shaft on the movable cone spindle, and the threaded bush is pressed on the cone cover so that the inner side surface of the lower end of the cone sleeve is against the outer surface of the lower end of the movable cone.

进一步的,所述支承组件包括上圆盘、中圆盘和下圆盘,上圆盘固定在动锥主轴的下端轴头上,中圆盘设在上圆盘和下圆盘之间,下圆盘固定在活塞上端面,在上圆盘的下表面设有外凸球面I,在下圆盘的上表面设有外凸球面II,在中圆盘的上表面设有与外凸球面I配合的内凹球面I,在中圆盘的下表面设有与外凸球面II配合的内凹球面II。将支承组件中三个圆盘中相互配合的表面加工成球面结构形式,球面结构具有自动对中作用,并且加强润滑,减少了圆盘之间的摩擦阻力,提高了使用寿命。Further, the support assembly includes an upper disc, a middle disc and a lower disc, the upper disc is fixed on the lower end shaft head of the movable cone main shaft, the middle disc is arranged between the upper disc and the lower disc, and the lower disc The disc is fixed on the upper surface of the piston, and the lower surface of the upper disc is provided with a convex spherical surface I, the upper surface of the lower disc is provided with a convex spherical surface II, and the upper surface of the middle disc is provided with a convex spherical surface I. The inner concave spherical surface I is provided with the inner concave spherical surface II which cooperates with the outer convex spherical surface II on the lower surface of the middle disc. The mating surfaces of the three discs in the supporting assembly are processed into a spherical structure, which has an automatic centering effect and enhanced lubrication, which reduces the frictional resistance between the discs and improves the service life.

进一步的,所述外凸球面I上设有径向沟槽I和环形沟槽I,所述外凸球面II上设有径向沟槽II和环形沟槽II;所述上圆盘与动锥主轴的下端轴头之间设有连接块,上圆盘通过连接块固定在动锥主轴的下端轴头上,动锥主轴的下端轴头的底端面上设有凹槽,连接块的上端面设有凸台I,连接块通过凸台I与凹槽过盈配合固定在动锥主轴的下端轴头上,连接块的下端面设有凸台II,上圆盘设有套装凸台II的中心孔I,凸台II上穿出中心孔I部分的侧壁上设有环槽,环槽中设有定位上圆盘的挡圈;中圆盘上设有中心孔II,下圆盘上设有中心孔III,活塞的上端面设有与中心孔III对应配合定位的凸台III,润滑通道II的出口设在凸台III的上端面上。设置沟槽便于导油,增强润滑;用挡圈来定位上圆盘,便于安装更换;设置中心孔II和中心孔III便于润滑通道II中的润滑油对支承组件进行充分润滑。Further, radial groove I and annular groove I are provided on the convex spherical surface I, radial groove II and annular groove II are provided on the convex spherical surface II; There is a connection block between the lower end shaft heads of the cone spindle, and the upper disk is fixed on the lower end shaft head of the movable cone spindle through the connection block. There is a boss I on the end surface, and the connecting block is fixed on the lower end shaft head of the movable cone spindle through the interference fit between the boss I and the groove. The center hole I of the boss II is provided with a ring groove on the side wall of the part passing through the center hole I, and the ring groove is provided with a retaining ring for positioning the upper disc; the middle disc is provided with a center hole II, and the lower disc A central hole III is provided on the piston, and a boss III corresponding to the center hole III is arranged on the upper end surface of the piston. The outlet of the lubricating channel II is arranged on the upper end surface of the boss III. The grooves are provided to facilitate oil conduction and enhance lubrication; the retaining ring is used to position the upper disc, which is convenient for installation and replacement; the center hole II and center hole III are set to facilitate the lubricating oil in the lubrication channel II to fully lubricate the support assembly.

进一步的,所述偏心机构包括设在下机架上的中心套筒和设在中心套筒中的偏心套,偏心套与中心套筒之间设有轴承组件I,在偏心套中设有偏心衬套,动锥主轴穿过偏心衬套压在支承组件上,偏心衬套与动锥主轴之间设有轴承组件II,偏心套的下端设有与传动组件上锥齿轮啮合传动的齿轮。Further, the eccentric mechanism includes a central sleeve arranged on the lower frame and an eccentric sleeve arranged in the central sleeve, a bearing assembly I is arranged between the eccentric sleeve and the central sleeve, and an eccentric lining is arranged in the eccentric sleeve. The movable cone main shaft passes through the eccentric bushing and is pressed on the supporting assembly. The bearing assembly II is arranged between the eccentric bushing and the movable cone main shaft. The lower end of the eccentric bushing is provided with a gear that meshes with the bevel gear on the transmission assembly.

进一步的,所述轴承组件I包括设在偏心套外侧面上端面的轴承I和设在偏心套外侧面下端面的轴承II,偏心套外侧面上设有定位轴承I内圈下端面和轴承II内圈上端面的环形凸起,在中心套筒中设有定位轴承I外圈下端面和轴承II外圈上端面的间隔环,在中心套筒上方设有定位轴承I上端面的连接筒,连接筒定位在动锥体上,轴承II内圈下端面通过齿轮定位,在偏心套下端面上通过螺钉固定有定位轴承II外圈下端面的轴承挡圈;所述轴承组件II包括安装在动锥主轴上的轴承III,动锥主轴上设有定位轴承III内圈上端面的台阶,在动锥主轴下端的轴头上设有定位轴承I I I内圈下端面的轴套,轴套抵在连接块上。三个滚动轴承实现偏心套与机架上的中心套筒以及动锥主轴之间的转动,提高偏心套的转速,同时减小偏心套与机架上的中心套筒以及减小偏心套与动锥主轴之间的摩擦系数。Further, the bearing assembly I includes a bearing I arranged on the end surface of the outer surface of the eccentric sleeve and a bearing II arranged on the lower end surface of the outer surface of the eccentric sleeve, and the outer surface of the eccentric sleeve is provided with the lower end surface of the inner ring of the locating bearing I and the bearing II The annular protrusion on the upper end surface of the inner ring, the spacer ring on the lower end surface of the outer ring of the positioning bearing I and the upper end surface of the outer ring of the bearing II are arranged in the center sleeve, and the connecting cylinder on the upper end surface of the positioning bearing I is arranged above the central sleeve, The connecting cylinder is positioned on the movable cone, the lower end surface of the inner ring of the bearing II is positioned through the gear, and the bearing stop ring for positioning the lower end surface of the outer ring of the bearing II is fixed on the lower end surface of the eccentric sleeve by screws; Bearing III on the cone spindle, a step on the upper end surface of the inner ring of the positioning bearing III is provided on the movable cone spindle, and a shaft sleeve on the lower end surface of the inner ring of the positioning bearing I II is arranged on the shaft head at the lower end of the movable cone spindle, and the sleeve touches on the connection block. Three rolling bearings realize the rotation between the eccentric sleeve and the center sleeve on the frame and the main shaft of the moving cone, which increases the speed of the eccentric sleeve and reduces the size of the eccentric sleeve and the center sleeve on the frame as well as the size of the eccentric sleeve and the moving cone. The coefficient of friction between the spindles.

进一步的,所述连接筒中设有配重块,在连接筒的筒体中设有润滑通道III,润滑通道III的入口设在连接筒的外侧壁上,润滑通道III的出口设在连接筒的内侧壁下端。Further, the connecting cylinder is provided with a counterweight, and a lubricating passage III is provided in the cylinder body of the connecting cylinder, the inlet of the lubricating passage III is arranged on the outer side wall of the connecting cylinder, and the outlet of the lubricating passage III is arranged on the outer wall of the connecting cylinder. Lower end of inner wall.

采用上述技术方案后,本发明具有如下优点:用三个滚动轴承实现偏心套与机架上的中心套筒以及动锥主轴之间的转动,提高偏心套的转速,从而提高圆锥破碎机的I作效率和产量;同时减小偏心套与机架上的中心套筒以及减小偏心套与动锥主轴之间的摩擦系数,提高了机器的使用寿命,降低了使用成本,不会存在“转套”和飞车的发生;中心套筒的运用方便了机器的维修;将支承组件中的圆盘的端面加I成球面结构形式,减少了圆盘之间的摩擦阻力;圆盘上开有沟槽,增加了圆盘的储油能力,增强了润滑效果,因而进一步减小了圆盘之间的阻力;动锥主轴及动锥体的高度由液压缸升降调整,调整方便,定位准确。After adopting the above-mentioned technical scheme, the present invention has the following advantages: use three rolling bearings to realize the rotation between the eccentric sleeve, the center sleeve on the frame and the movable cone main shaft, increase the rotating speed of the eccentric sleeve, thereby improving the operation of the cone crusher Efficiency and output; at the same time reduce the friction coefficient between the eccentric sleeve and the center sleeve on the frame and reduce the friction coefficient between the eccentric sleeve and the movable cone main shaft, which improves the service life of the machine and reduces the cost of use, and there will be no "turn sleeve " and the occurrence of flying car; the use of the center sleeve facilitates the maintenance of the machine; the end surface of the disc in the support assembly is added into a spherical structure, which reduces the frictional resistance between the discs; there are grooves on the disc , which increases the oil storage capacity of the discs and enhances the lubrication effect, thereby further reducing the resistance between the discs; the height of the main shaft of the moving cone and the moving cone is adjusted by the hydraulic cylinder, which is convenient for adjustment and accurate in positioning.

附图说明 Description of drawings

下面结合附图对本发明作进一步说明:The present invention will be further described below in conjunction with accompanying drawing:

图1为本发明一种实施例的结构示意图;Fig. 1 is a structural representation of an embodiment of the present invention;

图2为支承组件的结构示意图;Fig. 2 is the structural representation of support assembly;

图3为图2中B处放大图;Figure 3 is an enlarged view of B in Figure 2;

图4为外凸球面I的仰视图;Fig. 4 is the bottom view of convex spherical surface I;

图5为图1中A处放大图;Figure 5 is an enlarged view of A in Figure 1;

图6为图1中C处放大图。Fig. 6 is an enlarged view of point C in Fig. 1 .

具体实施方式 Detailed ways

如图1至6所示本发明一种实施例的结构示意图,一种圆锥破碎机,包括机架1和设在机架内的动锥主轴2,机架包括上机架11和下机架12,动锥主轴下端设有偏心机构3,偏心机构与传动组件4传动连接,传动组件包括设在下机架上的传动主轴41,传动主轴的内端设有锥齿轮43与偏心机构连动,传动主轴的外端伸出下机架并设有用于与电机连动的带轮42,偏心机构下方设有支承动锥主轴的支承组件5,动锥主轴的上端通过轴承件定位在上机架中,动锥主轴的下端穿过偏心机构压在支承组件上,动锥主轴上设有动锥体21,动锥主轴上设有直径变大的阶梯段22,动锥体中设有与阶梯段配合的阶梯孔23将动锥体定位在动锥主轴上,在动锥体上设有锥体套24,在动锥主轴上还设有与动锥主轴螺纹配合的螺纹衬套25,螺纹衬套压在锥体套上使锥体套的下端内侧面抵在动锥体下端外侧面上;在支承组件下方设有改变支承组件高度的液压升降系统6,所述液压升降系统包括固定在机架下部具有内腔63的液压缸体61和设在内腔中上下运动的活塞62,所述支承组件设在活塞的上端,在液压缸体下端设有外接液压站的液压油口612与内腔连通。As shown in Figures 1 to 6, a schematic structural view of an embodiment of the present invention, a cone crusher includes a frame 1 and a movable cone main shaft 2 arranged in the frame, and the frame includes an upper frame 11 and a lower frame 12. The lower end of the movable cone main shaft is provided with an eccentric mechanism 3, and the eccentric mechanism is in transmission connection with the transmission assembly 4. The transmission assembly includes a transmission main shaft 41 arranged on the lower frame, and the inner end of the transmission main shaft is provided with a bevel gear 43 which is linked with the eccentric mechanism. The outer end of the drive shaft extends out of the lower frame and is provided with a pulley 42 for interlocking with the motor. A support assembly 5 is provided below the eccentric mechanism to support the movable cone spindle. The upper end of the movable cone spindle is positioned on the upper frame through a bearing. Among them, the lower end of the movable cone main shaft passes through the eccentric mechanism and is pressed on the support assembly. The movable cone main shaft is provided with a movable cone body 21, and the movable cone main shaft is provided with a stepped section 22 with a larger diameter. The stepped hole 23 matched with the section locates the movable cone on the movable cone main shaft, and the movable cone is provided with a cone sleeve 24, and the movable cone main shaft is also provided with a threaded bushing 25 matched with the thread of the movable cone main shaft. The bushing is pressed on the cone sleeve so that the inner surface of the lower end of the cone sleeve is against the outer surface of the lower end of the moving cone; a hydraulic lifting system 6 for changing the height of the supporting assembly is provided below the supporting assembly, and the hydraulic lifting system includes The lower part of the frame has a hydraulic cylinder block 61 with an inner cavity 63 and a piston 62 that moves up and down in the inner cavity. The support assembly is arranged at the upper end of the piston. The lumen is connected.

所述支承组件包括上圆盘51、中圆盘52和下圆盘53,上圆盘固定在动锥主轴的下端轴头上,中圆盘设在上圆盘和下圆盘之间,下圆盘固定在活塞上端面,在上圆盘的下表面设有外凸球面I511,在下圆盘的上表面设有外凸球面II531,在中圆盘的上表面设有与外凸球面I配合的内凹球面I521,在中圆盘的下表面设有与外凸球面II配合的内凹球面II522,外凸球面I上设有径向沟槽I512和环形沟槽I513,所述外凸球面II上设有径向沟槽II532和环形沟槽II533;所述上圆盘与动锥主轴的下端轴头之间设有连接块54,上圆盘通过连接块固定在动锥主轴的下端轴头上,动锥主轴的下端轴头的底端面上设有凹槽26,连接块的上端面设有凸台I541,连接块通过凸台I与凹槽过盈配合固定在动锥主轴的下端轴头上,连接块的下端面设有凸台II542,上圆盘设有套装凸台II的中心孔I514,凸台II上穿出中心孔I部分的侧壁上设有环槽543,环槽中设有定位上圆盘的挡圈544;中圆盘上设有中心孔II523,下圆盘上设有中心孔III534,活塞的上端面设有与中心孔III对应配合定位的凸台III621,所述润滑通道II的出口设在凸台III的上端面上。Described supporting assembly comprises upper disk 51, middle disk 52 and lower disk 53, and upper disk is fixed on the lower end axle nose of movable cone main shaft, and middle disk is arranged between upper disk and lower disk, and lower The disc is fixed on the upper end surface of the piston. The lower surface of the upper disc is provided with a convex spherical surface I511, the upper surface of the lower disc is provided with a convex spherical surface II531, and the upper surface of the middle disc is provided with a convex spherical surface I. The inner concave spherical surface I521 of the middle disk is provided with an inner concave spherical surface II522 cooperating with the outer convex spherical surface II, and the outer convex spherical surface I is provided with a radial groove I512 and an annular groove I513. The outer convex spherical surface The II is provided with a radial groove II532 and an annular groove II533; a connecting block 54 is provided between the upper disk and the lower end shaft head of the movable cone spindle, and the upper disk is fixed on the lower end shaft of the movable cone spindle through the connecting block On the head, a groove 26 is provided on the bottom surface of the shaft head at the lower end of the movable cone spindle, and a boss I541 is provided on the upper surface of the connection block, and the connection block is fixed on the lower end of the movable cone spindle through the interference fit between the boss I and the groove On the shaft head, the lower end surface of the connection block is provided with a boss II542, and the upper disk is provided with a center hole I514 of the sleeve boss II, and the side wall of the part of the center hole I on the boss II is provided with a ring groove 543, and the ring The groove is provided with a retaining ring 544 for positioning the upper disc; the middle disc is provided with a center hole II523, the lower disc is provided with a center hole III534, and the upper end of the piston is provided with a boss III621 correspondingly positioned with the center hole III , the outlet of the lubricating channel II is set on the upper end surface of the boss III.

所述偏心机构包括设在下机架上的中心套筒31和设在中心套筒中的偏心套32,偏心套与中心套筒之间设有轴承组件I,在偏心套中设有偏心衬套33,动锥主轴穿过偏心衬套压在支承组件上,偏心衬套与动锥主轴之间设有轴承组件II,偏心套的下端设有与传动主轴上的锥齿轮啮合传动的齿轮34;所述轴承组件I包括设在偏心套外侧面上端面的轴承I35和设在偏心套外侧面下端面的轴承II36,偏心套外侧面上设有定位轴承I内圈下端面和轴承II内圈上端面的环形凸起321,在中心套筒中设有定位轴承I外圈下端面和轴承II外圈上端面的间隔环37,在中心套筒上方设有定位轴承I上端面的连接筒7,连接筒定位在动锥体上,轴承II内圈下端面通过齿轮34定位,在偏心套下端面上通过螺钉固定有定位轴承II外圈下端面的轴承挡圈8;所述轴承组件II包括安装在动锥主轴上的轴承III38,动锥主轴上设有定位轴承III内圈上端面的台阶27,在动锥主轴下端的轴头上设有定位轴承III内圈下端面的轴套28,轴套抵在连接块上。Described eccentric mechanism comprises the central sleeve 31 that is located on the lower frame and the eccentric sleeve 32 that is located in the central sleeve, is provided with bearing assembly 1 between the eccentric sleeve and the central sleeve, is provided with the eccentric bushing in the eccentric sleeve 33. The movable cone main shaft passes through the eccentric bushing and is pressed on the support assembly. A bearing assembly II is provided between the eccentric bushing and the movable cone main shaft. The lower end of the eccentric bushing is provided with a gear 34 that meshes with the bevel gear on the transmission main shaft; The bearing assembly I includes a bearing I35 arranged on the end surface of the outer surface of the eccentric sleeve and a bearing II36 arranged on the lower end surface of the outer surface of the eccentric sleeve. The annular projection 321 on the end face is provided with a spacer ring 37 on the lower end face of the outer ring of the positioning bearing I and the upper end face of the outer ring of the bearing II in the central sleeve, and the connecting cylinder 7 on the upper end face of the positioning bearing I is arranged above the central sleeve. The connecting cylinder is positioned on the moving cone, the lower end surface of the inner ring of the bearing II is positioned by the gear 34, and the bearing stop ring 8 for positioning the lower end surface of the outer ring of the bearing II is fixed on the lower end surface of the eccentric sleeve by screws; the bearing assembly II includes a mounting The bearing III38 on the movable cone spindle is provided with a step 27 on the upper end surface of the inner ring of the positioning bearing III on the movable cone spindle, and a shaft sleeve 28 on the lower end surface of the inner ring of the positioning bearing III is arranged on the shaft head at the lower end of the movable cone spindle. Slip onto the connection block.

上述实施例中,液压缸体上设有润滑通道I611,在活塞上设有润滑通道II621,润滑通道I和润滑通道II连通,润滑通道I的入口设在液压缸体的外侧壁下端,润滑通道II的出口设在活塞的上端面上;在连接筒的筒体中设有润滑通道III72,润滑通道III的入口设在连接筒的外侧壁上,润滑通道III的出口设在连接筒的内侧壁下端,采用润滑通道I和润滑通道II,以及润滑通道III上下同时润滑的方式确保了滚动轴承的充分润滑,如图5中虚线I和虚线II分别示意了润滑通道I和润滑通道II以及润滑通道II中润滑油流向。In the above embodiment, the hydraulic cylinder block is provided with a lubricating channel I611, and the piston is provided with a lubricating channel II621. The lubricating channel I communicates with the lubricating channel II. The entrance of the lubricating channel I is located at the lower end of the outer wall of the hydraulic cylinder block. The outlet of II is set on the upper end surface of the piston; there is a lubricating channel III72 in the barrel of the connecting cylinder, the inlet of the lubricating channel III is set on the outer wall of the connecting cylinder, and the outlet of the lubricating channel III is set on the inner wall of the connecting cylinder At the lower end, the lubricating channel I, the lubricating channel II, and the lubricating channel III are lubricated up and down simultaneously to ensure the sufficient lubrication of the rolling bearing. The dotted line I and the dotted line II in Fig. 5 respectively indicate the lubrication channel I, the lubrication channel II and the lubrication channel II Lubricating oil flow direction.

另外在连接筒中设有配重块71以增加本发明在工作状态下的平衡性。还有偏心衬套与偏心套间隙配合,轴承III与动锥主轴锥面配合。中心套筒的外侧壁上水平设有安装耳,安装耳上设有安装孔,中心套筒通过螺栓穿过安装孔固定在机架上,安装方便。In addition, a counterweight 71 is provided in the connecting cylinder to increase the balance of the present invention in the working state. There is also clearance fit between the eccentric bushing and the eccentric sleeve, and bearing III fits with the taper surface of the movable cone main shaft. The outer wall of the center sleeve is horizontally provided with installation ears, and the installation ears are provided with installation holes, and the center sleeve is fixed on the frame through bolts through the installation holes, which is convenient for installation.

除上述优选实施例外,本发明还有其他的实施方式,本领域技术人员可以根据本发明作出各种改变和变形,只要不脱离本发明的精神,均应属于本发明所附权利要求所定义的范围。Except above-mentioned preferred embodiment, the present invention also has other embodiments, and those skilled in the art can make various changes and deformations according to the present invention, as long as they do not depart from the spirit of the present invention, all should belong to the scope defined in the appended claims of the present invention scope.

Claims (5)

1. gyratory crusher; Comprise frame (1) and be located at the mantle main shaft (2) in the frame; Mantle main shaft lower end is provided with eccentric stiffener (3), and eccentric stiffener and transmission component (4) are in transmission connection, and the eccentric stiffener below is provided with the bearing assembly (5) of supporting mantle main shaft; Below bearing assembly, be provided with the hydraulic lifting system (6) that changes the bearing assembly height; It is characterized in that: said hydraulic lifting system comprises that being fixed on frame lower has the hydraulic cylinder (61) of inner chamber (63) and be located at the piston (62) that moves up and down in the inner chamber, and said bearing assembly is located at the upper end of piston, and the hydraulic oil port (612) that is provided with external Hydraulic Station in the hydraulic cylinder lower end is communicated with inner chamber; Said bearing assembly comprises disk (51), middle disk (52) and lower disc (53); Last disk is fixed on the lower end spindle nose of mantle main shaft; Middle disk is located between disk and the lower disc; Lower disc is fixed on the piston upper surface, is provided with evagination sphere I (511) at the lower surface of last disk, is provided with evagination sphere II (531) at the upper surface of lower disc; Upper surface at middle disk is provided with the interior concave spherical surface I (521) that cooperates with evagination sphere I, is provided with the interior concave spherical surface II (522) that cooperates with evagination sphere II at the lower surface of middle disk.
2. a kind of gyratory crusher according to claim 1; It is characterized in that: said hydraulic cylinder is provided with lubrication channel I (611); On piston, be provided with lubrication channel II (621); Lubrication channel I and lubrication channel II are communicated with, and the inlet of lubrication channel I is located at the lateral wall lower end of hydraulic cylinder, and the outlet of lubrication channel II is located on the upper surface of piston.
3. a kind of gyratory crusher according to claim 1; It is characterized in that: said frame comprises upper spider (11) and lower bearing bracket (12); The upper end of mantle main shaft is positioned in the upper spider through bearing part; The lower end of mantle main shaft is passed eccentric stiffener and is pressed on the bearing assembly, and the mantle main shaft is provided with mantle body (21); Said transmission component comprises the transmission main shaft (41) that is located in the lower bearing bracket, and the inner of transmission main shaft is provided with bevel gear (43) and eccentric stiffener interlock, and the outer end of transmission main shaft is stretched out lower bearing bracket and is provided with the belt wheel (42) that is used for the motor interlock.
4. a kind of gyratory crusher according to claim 3; It is characterized in that: said mantle main shaft is provided with diameter and becomes big ladder section (22); Being provided with the shoulder hole (23) that cooperates with the ladder section in the mantle body is positioned at the mantle body on the mantle main shaft; On the mantle body, be provided with cone cover (24), on the mantle main shaft, also be provided with the screw-thread bush (25) that cooperates with the mantle spindle thread, screw-thread bush is pressed in cone and puts the lower end medial surface of cone cover is against on the mantle body lower outside face.
5. a kind of gyratory crusher according to claim 1 is characterized in that: said evagination sphere I is provided with radial groove I (512) and ring-shaped groove I (513), and said evagination sphere II is provided with radial groove II (532) and ring-shaped groove II (533); Be provided with contiguous block (54) between the lower end spindle nose of said upward disk and mantle main shaft; Last disk is fixed on the lower end spindle nose of mantle main shaft through contiguous block; The bottom face of the lower end spindle nose of mantle main shaft is provided with groove (26), and the upper surface of contiguous block is provided with boss I (541), and contiguous block is fixed on the lower end spindle nose of mantle main shaft through boss I and groove interference fit; The lower surface of contiguous block is provided with boss II (542); Last disk is provided with the centre bore I (514) of suit boss II, and the sidewall that passes centre bore I part on the boss II is provided with annular groove (543), is provided with the back-up ring (544) that disk is gone up in the location in the annular groove; Middle disk is provided with center hole II (523), and lower disc is provided with center hole II I (534), and the upper surface of piston is provided with the boss III (621) with center hole II I corresponding matching location, and the outlet of said lubrication channel II is located on the upper surface of boss III.
CN2010102883754A 2010-09-16 2010-09-16 Cone crusher Active CN101947475B (en)

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