CN112879437A - 单缸液压圆锥破碎机渗层主轴轴套及设备 - Google Patents

单缸液压圆锥破碎机渗层主轴轴套及设备 Download PDF

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CN112879437A
CN112879437A CN202110258691.5A CN202110258691A CN112879437A CN 112879437 A CN112879437 A CN 112879437A CN 202110258691 A CN202110258691 A CN 202110258691A CN 112879437 A CN112879437 A CN 112879437A
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main shaft
cylinder hydraulic
cone crusher
shaft sleeve
hydraulic cone
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胡祖尧
王永庆
许宗炎
施晓锋
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Zhejiang Shuangjin Machinery Group Co Ltd
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Zhejiang Shuangjin Machinery Group Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/12—Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing
    • F16C33/121—Use of special materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C2/00—Crushing or disintegrating by gyratory or cone crushers
    • B02C2/02—Crushing or disintegrating by gyratory or cone crushers eccentrically moved
    • B02C2/04—Crushing or disintegrating by gyratory or cone crushers eccentrically moved with vertical axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/12—Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/14—Special methods of manufacture; Running-in
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/08—Rigid support of bearing units; Housings, e.g. caps, covers for spindles
    • F16C35/10—Rigid support of bearing units; Housings, e.g. caps, covers for spindles with sliding-contact bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2202/00—Solid materials defined by their properties
    • F16C2202/02—Mechanical properties
    • F16C2202/04—Hardness
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2204/00—Metallic materials; Alloys
    • F16C2204/60—Ferrous alloys, e.g. steel alloys
    • F16C2204/66—High carbon steel, i.e. carbon content above 0.8 wt%, e.g. through-hardenable steel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2204/00—Metallic materials; Alloys
    • F16C2204/60—Ferrous alloys, e.g. steel alloys
    • F16C2204/74—Ferrous alloys, e.g. steel alloys with manganese as the next major constituent
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2223/00—Surface treatments; Hardening; Coating
    • F16C2223/10—Hardening, e.g. carburizing, carbo-nitriding
    • F16C2223/18—Hardening, e.g. carburizing, carbo-nitriding with induction hardening
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2320/00—Apparatus used in separating or mixing
    • F16C2320/23—Milling apparatus

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)

Abstract

本发明涉及一种具有高耐磨、低成本、长寿命的单缸液压圆锥破碎机复合主轴轴套及设备，主轴轴套采用ZG60Si2Mn弹簧钢制作，主轴轴套与顶部轴承配套部面采用高频淬火进行渗透，渗透层深度为2‑3mm，使ZG60Si2Mn弹簧钢所制的主轴轴套外表渗透层硬度大于HRC55、小于HRC65且ZG60Si2Mn弹簧钢所制的主轴轴套内壁相对外壁柔软。优点：一是耐磨性好、使用寿命长，降低了生产成本，带来的意想不到的技术效果。

Description

单缸液压圆锥破碎机渗层主轴轴套及设备
技术领域
本发明涉及一种具有高耐磨、低成本、长寿命的单缸液压圆锥破碎机复合主轴轴套及设备，属圆锥破碎机制造领域。
背景技术
目前，市场上销售的单缸液压圆锥破碎机为成熟产品，在结构设计上单缸液压圆锥破碎机主轴上部的轴套采用轴承钢。其不足之处：一是由于轴承钢轴套与单缸液压圆锥破碎机主轴顶部轴承为同种材料，当主轴旋动破碎石料时，套在主轴上部轴承钢轴套形成作用力与反作用力的相对摩擦，造成轴承钢轴套和顶部轴承摩损率非常大，一套轴承钢轴套和顶部轴承使用的寿命往往不到6月；二是采用轴承钢轴套由于制造难度大，成本非常高，一件重量为132.2Kg轴承钢轴套，其造价近4000元人民币。
发明内容
设计目的：避免背景技术中的不足之处，设计一种具有高耐磨、低成本、长寿命的单缸液压圆锥破碎机复合主轴轴套及设备。
设计方案：为了实现上述设计目的。本发明在背景技术的基础上，采用ZG60Si2Mn弹簧钢制作主轴轴套，并且在轴套上部（与顶部轴承相匹配部）采用高频淬火进行渗透且渗透层深度为2-3mm的设计，是本发明的主要技术特征。这样设计的目的在于：60Si2Mn弹簧钢未高采用高频渗透前，其硬度34HRC左右，本发明采用高频淬火渗透处理后，其硬度由34HRC左右上升到55~60HRC且有较好的韧性，远远大于顶部轴承的硬度。因此，当顶部轴承与渗层主轴轴套产生冲击磨擦时，顶部轴承不但不会对渗层主轴轴套产生磨损，使渗层主轴轴套的使用寿命大大延长，从而避免了主轴轴套的更换，同时由于主轴轴套内壁相对外壁柔软，便于实现与主轴上端部的过盈配合。
技术方案1：一种单缸液压圆锥破碎机渗层主轴轴套，主轴轴套采用ZG60Si2Mn弹簧钢制作，主轴轴套与顶部轴承配套部面采用高频淬火进行渗透，渗透层深度为2-3mm，使ZG60Si2Mn弹簧钢所制的主轴轴套外表渗透层硬度大于HRC55、小于HRC65且ZG60Si2Mn弹簧钢所制的主轴轴套内壁相对外壁柔软。
技术方案2：一种由权利要求1构成的长寿命单缸液压圆锥破碎机，包括单缸液压圆锥破碎机，主轴轴套与主轴过盈配合，主轴轴套中渗透层与顶部轴承匹配。
本发明与背景技术相比，一是复合主轴轴套具有高耐磨、低成本、长寿命优点，其 带来的意想不到的技术效果和经济效益如下：
重量（Kg） 价格（元） 硬度 寿命（月）
背景技术 132.2 4000 HB210左右 小于6
本发明 63.2 2500 HB350～800 大于36
附图说明
图1 是单缸液压圆锥破碎机复合主轴轴套的剖视结构示意图。
图2是复合主轴轴套构成单缸液压圆锥破碎机的结构示意图。
具体实施方式
实施例1：参照附图1和2。一种单缸液压圆锥破碎机渗层主轴轴套，主轴轴套1采用ZG60Si2Mn弹簧钢制作，主轴轴套1与顶部轴承配套部面采用高频淬火进行渗透，渗透层2深度为2-3mm（即在2-3mm范围内任选值且包括端值），使ZG60Si2Mn弹簧钢所制的主轴轴套外表渗透层硬度大于HRC55、小于HRC65且ZG60Si2Mn弹簧钢所制的主轴轴套内壁相对外壁柔软。
实施例2：在实施例1的基础上，主轴轴套外表面自上而上采用高频淬火进行渗透，渗透层2深度为2-3mm，形成内部柔软、外表硬度大于HRC55、小于HRC65渗透层。ZG60Si2Mn弹簧钢所制的主轴轴套外表渗透层硬度大于单缸液压圆锥破碎机顶部轴承的硬度。
实施例3：参照附图2。在实施例1或2的基础上，长寿命单缸液压圆锥破碎机，包括单缸液压圆锥破碎机，主轴轴套1与主轴3过盈配合，主轴轴套1中渗透层2与顶部轴承4匹配。顶部轴承硬度小于主轴轴套与顶部轴承匹配处的硬度目的在于：确保主轴轴套1不会被磨损，当顶部轴承4损坏时，只需更换顶部轴承即可，因为顶部轴承4的拆装非常方便。对生产的影响非常小，而顶部轴轴套1的更换则非常难，稍有不慎，将损坏主轴，并且更换时间非常长，所要拆装的部件非常多，也非常难，属大修的范围，直接影响到生产效率。
需要理解到的是：上述实施例虽然对本发明的设计思路作了比较详细的文字描述，但是这些文字描述，只是对本发明设计思路的简单文字描述，而不是对本发明设计思路的限制，任何不超出本发明设计思路的组合、增加或修改，均落入本发明的保护范围内。

Claims (5)

1.一种单缸液压圆锥破碎机渗层主轴轴套，其特征是：主轴轴套（1）采用ZG60Si2Mn弹簧钢制作，主轴轴套（1）与顶部轴承配套部面采用高频淬火进行渗透，渗透层（2）深度为2-3mm，使ZG60Si2Mn弹簧钢所制的主轴轴套外表渗透层硬度大于HRC55、小于HRC65且ZG60Si2Mn弹簧钢所制的主轴轴套内壁相对外壁柔软。
2.根据权利要求1所述的单缸液压圆锥破碎机渗层主轴轴套，其特征是：主轴轴套外表面自上而上采用高频淬火进行渗透，渗透（2）深度为2-3mm，形成内部柔软、外表硬度大于HRC55、小于HRC65渗透层。
3.根据权利要求1或2所述的单缸液压圆锥破碎机渗层主轴轴套，其特征是：ZG60Si2Mn弹簧钢所制的主轴轴套外表渗透层硬度大于单缸液压圆锥破碎机顶部轴承的硬度。
4.一种由权利要求1构成的长寿命单缸液压圆锥破碎机，包括单缸液压圆锥破碎机，其特征是：主轴轴套（1）与主轴（3）过盈配合，主轴轴套（1）中渗透层（2）与顶部轴承（4）匹配。
5.根据权利要求4所述的长寿命单缸液压圆锥破碎机，其特征是：顶部轴承硬度小于主轴轴套与顶部轴承匹配处的硬度。
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CN113530784A (zh) * 2021-07-21 2021-10-22 余世亮 一种新型变量径向柱塞泵

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113530784A (zh) * 2021-07-21 2021-10-22 余世亮 一种新型变量径向柱塞泵

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