钎尾套筒组件、凿岩机和方法
By adopting a two-piece shank bushing assembly, the shank bushing is allowed to rotate and is supported by a bearing bushing, which solves the problem of uneven wear of the rock drill shank bushing and improves the wear resistance and service life of the shank bushing.
CN120813752BActive Publication Date: 2026-07-17SANDVIK MINING & CONSTR OY
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- SANDVIK MINING & CONSTR OY
- Filing Date
- 2024-02-23
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
Existing rock drill shank bushings have shortcomings in terms of wear, especially in terms of uneven wear and wear of the shank adapter.
Method used
The two-piece shank bushing assembly, consisting of a shank bushing and a bearing bushing, allows the shank bushing to rotate and provides support through the bearing bushing, reducing wear.
Benefits of technology
By uniformly distributing wear, the service life of the drill bit bushing is extended, maintenance is reduced, and wear resistance is improved.
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Smart Images
Figure CN120813752B_ABST
Abstract
一种钎尾套筒组件、凿岩机和方法。所述组件(26)能够围绕凿岩机(6)中的钎尾适配器（8）安装，并包括具有两件式构造的钎尾衬套(27)，该两件式构造包括能够彼此抵靠着连接的第一衬套部件(27a)和第二衬套部件(27b)。所述组件还包括轴承衬套(30)，所述轴承衬套能够布置用以环绕所述两件式钎尾衬套并允许所述钎尾衬套与所述轴承衬套之间的旋转。
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