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Rock concentric drilling and splitting device

A rock and drill pipe technology, applied in the field of rock concentric drilling and splitting devices, can solve the problems of inconvenient and time-consuming drilling and splitting, and achieve good splitting effect, simplified drilling and splitting process, and high safety factor

Pending Publication Date: 2022-04-12
CHINA RAILWAY TUNNEL GROUP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide a rock concentric drilling and splitting device to solve the problems of inconvenient and time-consuming drilling and splitting due to the need to take out the drill pipe after drilling and then extend into the splitting equipment in the existing drilling and splitting device

Method used

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  • Rock concentric drilling and splitting device

Examples

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specific Embodiment 1

[0025] combine figure 1 , Figure 4 As shown, the rock concentric drilling and splitting device of the present embodiment includes a rock drill 1. When the rock drill 1 is in use, it is used to be slidably arranged on the arm 5 of the rock drilling jumbo. The rock drill 1 is provided with a drill rod 2, and the drill rod 2 is far away from the rock drill. The end of 1 is provided with drill bit 10, and drill bit 10 is used for drilling rock when rock drill 1 starts work.

[0026] The rock concentric drilling and splitting device also includes a splitting rod 9. After the drill bit 10 drills the rock, the splitting rod 9 is inserted into the borehole to expand and split the rock to complete the drilling and splitting process. In the existing device, the drill bit 10 and The splitting rod 9 is split, usually after the drill bit 10 is used to drill the rock, the drill bit 10 is taken out, and then the splitting rod 9 is inserted into the drill hole to expand and split the rock, ...

specific Embodiment 2

[0036]In the above-described embodiment, the splitting rod 9 is fixedly installed on the drill rod 2. Although the splitting rod 9 can be followed by the drill bit 10 in real time to enter the borehole, in practical applications, the vibration caused by the drill bit will cause Affect the performance of the splitting rod 9, in order to weaken the adverse effect on the performance of the splitting rod due to vibration, different from the setting in the above-mentioned embodiment, the combination Figure 4 As shown, in the rock concentric drilling and splitting device of the present embodiment, the splitting rod 9 is slidably sleeved on the drill rod 2, that is, the diameter of the through hole 901 on the splitting rod 9 can be slightly larger than the diameter of the drill rod 2, and when the drill bit 10 pairs After the rock drilling is finished, the driving splitting rod 9 is inserted into the borehole, and then the rock is split, without the need to take out the drill bit, wh...

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Abstract

A rock concentric drilling and splitting device comprises a rock drill arranged on a vehicle arm of a drill jumbo in a sliding mode and provided with a drill rod, the end, away from the rock drill, of the drill rod is provided with a drill bit used for drilling a hole in a rock, the rock concentric drilling and splitting device further comprises a splitting rod used for stretching into the drill hole and conducting spalling on the rock, and the splitting rod is arranged on the drill rod. And the drill rod and the rod body of the drill rod are coaxially arranged. The drill hole and the cleavage are coaxially arranged, after the drill bit drills the rock, the cleavage rod is directly inserted into the drill hole to conduct spalling on the rock, the cleavage rod can be inserted into the drill hole to conduct spalling on the rock without taking out the drill bit after drilling, the drilling and cleavage process of the rock is simplified, the drilling and cleavage efficiency of the rock is greatly improved, and the drilling and cleavage efficiency of the rock is improved. And the rock can be drilled and split quickly and conveniently.

Description

technical field [0001] The invention belongs to the technical field of non-explosive excavation of rocks, and in particular relates to a rock concentric drilling and splitting device. Background technique [0002] At present, blasting or full-face tunnel boring machines are mostly used in tunnel construction, but blasting is not allowed in urban underground space construction for locations with dense buildings and dense traffic. Primitive rock or mineral mining often adopts the blasting method. This method has serious environmental pollution and a high risk factor, and a large amount of available resources will be turned into waste during mining. With the improvement of technical conditions, blasting is not allowed or is not suitable. In the working environment of blasting, a hydraulic splitter has appeared on the market. It has a high safety factor and saves resources, and has gradually become an ideal non-blasting excavation and ore mining equipment. [0003] The method o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21D9/10
Inventor 杨涛王怀中刘瑞庆代传奇刘伟涛石玉经王响东任小营王三福牛茜
Owner CHINA RAILWAY TUNNEL GROUP CO LTD