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Hard rock stratum crushing drill bit with protection function

A technology with hard rock formation and protection function, which is applied in the field of drill bits for breaking hard rock formations, and can solve the problems that the drill body cannot be disassembled, it is inconvenient to maintain and replace, and the drill bit is easily damaged.

Pending Publication Date: 2022-04-01
新汶矿业集团地质勘探有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the drill shank and the drill body are fixed. When the hardness of the rock is greater than the bearing range of the drill bit, the protection measures for the drill bit are poor, the drill bit is easily damaged, and the drill bit body cannot be disassembled, which is inconvenient for maintenance and replacement.

Method used

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  • Hard rock stratum crushing drill bit with protection function
  • Hard rock stratum crushing drill bit with protection function
  • Hard rock stratum crushing drill bit with protection function

Examples

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Embodiment Construction

[0031] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0032] Such as Figure 1-Figure 9As shown, a drill bit for breaking hard rock formations with protection function according to the present invention includes a drill handle 1, and the drill handle 1 is connected with a crushing structure 2 for crushing hard rock formations, and the crushing structure 2 is connected with a useful For the disassembly structure 3 for disassembling and replacing the crushing structure 2, the drill handle 1 is connected with a transmission structure 6 for power transmission to the crushing structure 2, and the drill handle 1 is installed with a device for protecting the crushing structure 2. A control structure 7, the drill handle 1 is connected with a limit structure 4 for limiting the control structure 7, and the dri...

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Abstract

The invention discloses a hard rock stratum crushing drill bit with a protection function, and belongs to the technical field of drill bits, the hard rock stratum crushing drill bit comprises a drill handle, the drill handle is connected with a crushing structure used for crushing a hard rock stratum, and the crushing structure is connected with a dismounting structure used for dismounting and replacing the crushing structure. The drill handle is connected with a transmission structure used for conducting power transmission on the crushing structure. The dismounting structure comprises a first bolt, a plurality of abutting grooves are formed in a fixing block of the transmission structure, and the first bolt abuts against the fixing block through the abutting grooves. And the abutting groove abuts against the fixing block, so that the drill bit body is fixed to the fixing block, different drill bit bodies can be conveniently replaced for different types of rock stratums, and the crushing requirement is met.

Description

technical field [0001] The invention relates to the technical field of drill bits, in particular to a drill bit for breaking hard rock formations with protection function. Background technique [0002] A drill bit is a commonly used drilling tool, usually made of metal. The materials and shapes of drill bits for different purposes are also different. When exploring and breaking rocks, special drill bits are needed for rock breaking. The drill bit is protected when the rock is broken, and a drill bit for breaking hard rock formations with a protective function is needed. [0003] For example, Chinese patent CN2016211994161 discloses a drill bit for drilling rock and soil in a fault fracture zone, including a drill body, the drill body is a cylindrical pipe body, a number of cutting teeth are provided at the lower end of the drill body, and the upper end of the drill body passes through the Bolts are fixedly connected with a top plate, the top plate is circular, and the upper...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B10/42E21B10/43E21B10/54E21B10/62
Inventor 王勤明刘艳杰蔡义名赵兰春李经海牛淑敏张峰朱瑞高彬
Owner 新汶矿业集团地质勘探有限责任公司
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