The invention is applicable to the technical field of drill bits, and provides a high-strength wear-resistant drill bit, including a drill bit assembly and a support assembly. The drill bit assembly includes an outer casing, an inner drive rod and a drill bit. The outer casing is hollow inside, and the inner drive rod is slidingly connected to the outer casing. The inner drive rod is located inside the outer casing, and the drill bit is fixed and connected to the inner casing. Drive rod: The inner drive rod is lifted upward and the bolt is tightened to be fixed. In the process of the inner drive rod rising, the angle between the lower support rod and the upper support rod becomes smaller, and the distance between the rotating shaft and the lower support becomes larger. In the process of drilling, the diameter of the drill bit is increased to drill a hole with a larger diameter. Compared with the existing drill bit, the new type of drill rod has a smaller angle between the lower support rod and the upper support rod. When drilling large diameter holes, high strength wear-resistant drills reduce wear on drill pipes and prolong the service life of drills.
【技术实现步骤摘要】
一种高强度耐磨钻头
本专利技术属于钻头
,尤其涉及一种高强度耐磨钻头。
技术介绍
目前,钻头是用以在实体材料上钻削出通孔或盲孔,并能对已有的孔扩孔的刀具,常用的钻头主要有麻花钻、扁钻、中心钻、深孔钻和套料钻。现有技术中的钻头在钻孔时,时常需要对钻孔进行扩大,此时需要反复将钻头在钻孔中晃动,此时钻杆受到摩擦,从而造成钻杆的磨损,缩短了使用寿命。
技术实现思路
本专利技术提供一种高强度耐磨钻头,旨在解决现有技术中的钻头在钻孔时,时常需要对钻孔进行扩大,此时需要反复将钻头在钻孔中晃动,此时钻杆受到摩擦,从而造成钻杆的磨损,缩短了使用寿命。本专利技术是这样实现的,一种高强度耐磨钻头,包括钻头组件和支护组件,所述钻头组件包括外套管、内传动杆和钻削头,所述外套管内部中空,所述内传动杆滑动连接于所述外套管,所述内传动杆位于所述外套管的内部,所述钻削头固定连接于所述内传动杆,所述钻削头位于所述内传动杆的下端,所述支护组件包括上支杆、转轴、下支杆和下支座,所述上支杆的上端转动连接于所述外套管,所述下支杆的下端转动连接于所述下支座,所述下支座固定连接于所述钻削头,所述下支座位于所述钻削头和所述内传动杆的连接处,所述上支杆通过所述转轴转动连接于所述下支杆。优选的,所述上支杆和所述下支杆的长度相等,所述内传动杆的长度大于所述外套管的长度。优选的,所述上支杆、转轴和下支杆的数量均为四个,四组所述上支杆、转轴和下支杆等距分布于所述下支座的外侧。优选的,所述钻削头的设置为锥型,所述钻削头的外表面环绕有螺纹。优选的,所述钻头组件还包括螺栓,所述螺栓螺接于所述外套管,所述内传动杆的右侧开 ...
【技术保护点】
1.一种高强度耐磨钻头,其特征在于:包括钻头组件(1)和支护组件(2),所述钻头组件(1)包括外套管(11)、内传动杆(12)和钻削头(14),所述外套管(11)内部中空,所述内传动杆(12)滑动连接于所述外套管(11),所述内传动杆(12)位于所述外套管(11)的内部,所述钻削头(14)固定连接于所述内传动杆(12),所述钻削头(14)位于所述内传动杆(12)的下端,所述支护组件(2)包括上支杆(21)、转轴(22)、下支杆(23)和下支座(24),所述上支杆(21)的上端转动连接于所述外套管(11),所述下支杆(23)的下端转动连接于所述下支座(24),所述下支座(24)固定连接于所述钻削头(14),所述下支座(24)位于所述钻削头(14)和所述内传动杆(12)的连接处,所述上支杆(21)通过所述转轴(22)转动连接于所述下支杆(23)。
【技术特征摘要】
1.一种高强度耐磨钻头,其特征在于:包括钻头组件(1)和支护组件(2),所述钻头组件(1)包括外套管(11)、内传动杆(12)和钻削头(14),所述外套管(11)内部中空,所述内传动杆(12)滑动连接于所述外套管(11),所述内传动杆(12)位于所述外套管(11)的内部,所述钻削头(14)固定连接于所述内传动杆(12),所述钻削头(14)位于所述内传动杆(12)的下端,所述支护组件(2)包括上支杆(21)、转轴(22)、下支杆(23)和下支座(24),所述上支杆(21)的上端转动连接于所述外套管(11),所述下支杆(23)的下端转动连接于所述下支座(24),所述下支座(24)固定连接于所述钻削头(14),所述下支座(24)位于所述钻削头(14)和所述内传动杆(12)的连接处,所述上支杆(21)通过所述转轴(22)转动连接于所述下支杆(23)。2.如权利要求1所述的一种高强度耐磨钻头...
【专利技术属性】
技术研发人员:耿占吉,李季,彭金剑,尚培毅,马青原,
申请(专利权)人:长沙仲瑞新材料有限公司,
类型:发明
国别省市:湖南,43
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