SU117713A1 - Single crown for small hole drilling - Google Patents
Single crown for small hole drillingInfo
- Publication number
- SU117713A1 SU117713A1 SU606119A SU606119A SU117713A1 SU 117713 A1 SU117713 A1 SU 117713A1 SU 606119 A SU606119 A SU 606119A SU 606119 A SU606119 A SU 606119A SU 117713 A1 SU117713 A1 SU 117713A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- crown
- drilling
- order
- hole
- hole drilling
- Prior art date
Links
Landscapes
- Earth Drilling (AREA)
Description
Известно применение дл мелкошпурового бурени одноперых хоропок с корпусом, имеющим сложную конфигурацию. Така конструкци коронки вызывает искривление шпуров и заклинивание бурового инструмента, что приводит к уменьшению скорости бурени и увеличению объема выбуриваемой породы.It is known to use for small-scale drilling of single-pole horopok with a body having a complex configuration. Such a crown design causes curvature of boreholes and jamming of the drilling tool, which leads to a decrease in the drilling rate and an increase in the volume of the rock being cut.
Предлагаема коронка не имеет этих недостатков благодар тому, что корпус ее выполнен цилиндрической формы.The proposed crown does not have these disadvantages due to the fact that its body is cylindrical in shape.
На чертеже изображены три проекции предлагаемой коронки.The drawing shows three projections of the proposed crowns.
Корпус / коронки выполнен цилиндрической формы и имеет два промывочных отверсти 2, вместо одного. Наличие двух отверстий позвол ет обеспечить устойчивый слой воды на забое шпура не только при проходке нисход щих, но и при бурении восстающих шпуров. В корпус коронки впа на пластинка 3 из твердого сплава. Пластинка запаиваетс не заподлицо с корпусом коронки, а таким образом, что нижн ее часть выступает из корпуса на величину около 1 мм. При таком способе креплени пластинки 3 повышаетс ее износоустойчивость.The body / crown is cylindrical and has two flushing holes 2, instead of one. The presence of two holes makes it possible to provide a stable layer of water at the bottom of the hole, not only when penetrating the descending, but also when drilling rebel holes. In the body of the crown on the plate 3 of hard alloy. The plate is sealed not flush with the crown body, but in such a way that its lower part protrudes about 1 mm from the body. With this method of attaching the plate 3, its durability is increased.
Предмет изобретени Subject invention
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU606119A SU117713A1 (en) | 1958-08-18 | 1958-08-18 | Single crown for small hole drilling |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU606119A SU117713A1 (en) | 1958-08-18 | 1958-08-18 | Single crown for small hole drilling |
Publications (1)
Publication Number | Publication Date |
---|---|
SU117713A1 true SU117713A1 (en) | 1958-11-30 |
Family
ID=48389832
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU606119A SU117713A1 (en) | 1958-08-18 | 1958-08-18 | Single crown for small hole drilling |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU117713A1 (en) |
-
1958
- 1958-08-18 SU SU606119A patent/SU117713A1/en active
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