CN106014276B - Quick separation drill bushing of pneumatic drilling machine for coal mine - Google Patents
Quick separation drill bushing of pneumatic drilling machine for coal mine Download PDFInfo
- Publication number
- CN106014276B CN106014276B CN201610273362.7A CN201610273362A CN106014276B CN 106014276 B CN106014276 B CN 106014276B CN 201610273362 A CN201610273362 A CN 201610273362A CN 106014276 B CN106014276 B CN 106014276B
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- CN
- China
- Prior art keywords
- drill bushing
- separation
- drilling machine
- bushing
- synchronizing ring
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- 238000005553 drilling Methods 0.000 title claims abstract description 50
- 238000000926 separation method Methods 0.000 title claims abstract description 45
- 239000003245 coal Substances 0.000 title claims abstract description 27
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052802 copper Inorganic materials 0.000 claims abstract description 22
- 239000010949 copper Substances 0.000 claims abstract description 22
- 239000004484 Briquette Substances 0.000 claims 1
- 238000003825 pressing Methods 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 5
- 244000046052 Phaseolus vulgaris Species 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/03—Couplings; joints between drilling rod or pipe and drill motor or surface drive, e.g. between drilling rod and hammer
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses a quick separation drill bushing of a pneumatic drilling machine for coal mines, an anti-sucking shell is connected with the separation drill bushing through a bearing, a separation handle is arranged on the anti-sucking shell, a synchronizing ring assembly is arranged on the separation drill bushing, the synchronizing ring assembly consists of a synchronizing ring, a jacking pin and a limit bolt, the synchronizing ring assembly and the separation drill bushing can rotate in the same direction, the copper pressing block is arranged at the upper part of the jacking pin, and can be pressed on the synchronizing ring and roll along with the synchronizing ring after being pulled by the spring; the influence of suction on the drill rod is reduced, the probability of damage to the drill rod is reduced, and the property loss is reduced to the minimum; the service life of the pneumatic drilling machine can be prolonged, the efficiency of coal mine safety production is improved.
Description
Technical Field
The present invention relates to a drill bushing and, in particular to a quick separation drill bushing of a pneumatic drilling machine for a coal mine.
Background
At present, coal mine gas accidents in China occur, the gas content is high, the gas is overrun, coal and gas are prominent, and the coal mine gas is always a main factor limiting coal mine production. The drilling of the drill is adopted to extract the gas, which is a fundamental measure for preventing the gas disaster of the coal mine at present. The pneumatic drilling machine is adopted to gradually become the choice of a plurality of coal mine group companies because the safety of drilling work is greatly improved based on the characteristic that the pneumatic drilling machine adopts compressed air as a power source.
At present, most pneumatic drilling machines frequently suck drill rods in the drilling process, when the hydraulic jack-up support used for fixing the drilling machine is not firm in drilling machine operation, the drilling machine is easy to collapse and damage, serious threat is generated to personal safety of operators, currently, the drill sleeve used by the pneumatic drilling machine is connected by clamping beans, when sucking the drill, the connection between the separation drilling machine and the drill rod cannot be quickly released, and when sucking the drill, most stress is transferred to the hydraulic jack-up upright post, if the sucking of the drill frequently occurs, the service life of the drilling machine is ensured, the safety production of a coal mine is ensured, and the personal safety of an operator is seriously influenced.
When drilling machine operation punches and sucking the drill, the acting force easily causes the damage of the stuck beans of the traditional drill rod, and the service life of the drilling machine is reduced. When the operation of the traditional drilling machine punches, the drill rod is separated, the manual shutdown is needed, a screwdriver is used for inserting the drill sleeve to clamp the bean hole, then the drilling machine is used for backward travel, the drill rod is separated, the process is complex, time is wasted, and the operation is not good. During drilling operation of the drilling machine, when the drill sucking occurs, the drill bushing cannot be quickly separated, and the hydraulic jack-up upright column is easy to loosen due to huge acting force, so that the risk of collapse occurs, and the service life of the drilling machine, the safety production of a coal mine and the personal safety of operators can be seriously influenced.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the invention provides a quick-separation drill bushing of a pneumatic drilling machine for coal mines, which can enable operators to quickly remove dangerous situations and reduce the labor danger coefficient of workers under the condition of sucking the drill during the drilling operation; the influence of suction on the drill rod is reduced, the probability of damage to the drill rod is reduced, and the property loss is reduced to the minimum; the service life of the pneumatic drilling machine can be prolonged, and the efficiency of coal mine safety production can be improved.
In order to achieve the purpose, the invention provides the quick separation drill bushing of the pneumatic drilling machine for the coal mine, which comprises an anti-sucking shell, wherein the anti-sucking shell is connected with the separation drill bushing through a bearing, a separation handle is arranged on the anti-sucking shell, a synchronizing ring assembly is arranged on the separation drill bushing, the synchronizing ring assembly consists of a synchronizing ring, a jacking pin and a limit bolt, the synchronizing ring assembly and the separation drill bushing can rotate in the same direction, a copper pressing block is arranged at the upper part of the jacking pin, and the copper pressing block can be pressed on the synchronizing ring and rolls along with the synchronizing ring after being under the tensile force of a spring.
Preferably, the copper compact is circular.
In any of the above schemes, preferably, a lever block is further arranged between the copper pressing block and the synchronizing ring.
In any of the above schemes, preferably, an outer bearing sleeve is arranged outside the bearing, a large pressure pad is arranged outside the outer bearing sleeve, and a small pressure ring is arranged inside the outer bearing sleeve.
In any of the above schemes, preferably, a connecting piece is further arranged between the lever block and the outer bearing sleeve.
In any of the above schemes, preferably, the anti-suction shell is provided with a fastening bolt, and a small gasket and a standard elastic pad are arranged between one end of the fastening bolt and the anti-suction shell.
The invention has the beneficial effects that: the anti-sucking shell is connected with the separation drill bushing through a bearing, the separation handle is arranged on the anti-sucking shell, the separation drill bushing is provided with a synchronizing ring assembly, the synchronizing ring assembly consists of a synchronizing ring, a jacking pin and a limit bolt, the synchronizing ring assembly and the separation drill bushing can rotate in the same direction, a copper pressing block is arranged at the upper part of the jacking pin, and after the copper pressing block is subjected to the tensile force of a spring, the copper pressing block can be pressed on the synchronizing ring and roll along with the synchronizing ring, so that the rapid separation drill bushing of the pneumatic drilling machine for the coal mine is provided, an operator can encounter the situation of sucking the drill during drilling operation, the dangerous situation is rapidly removed, and the labor danger coefficient of workers is reduced; the influence of suction on the drill rod is reduced, the probability of damage to the drill rod is reduced, and the property loss is reduced to the minimum; the service life of the pneumatic drilling machine can be prolonged, and the efficiency of coal mine safety production can be improved.
The conception, specific structure, and technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, features, and effects of the present invention.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a top and partial cross-sectional view of the present invention.
Detailed Description
As shown in fig. 1, a quick separation drill bushing of a pneumatic drilling machine for coal mines comprises an anti-suction shell 2, wherein the anti-suction shell 2 is connected with a separation drill bushing 1 through a bearing 3, a separation handle 19 is arranged on the anti-suction shell 2, a synchronizing ring assembly is arranged on the separation drill bushing 1 and consists of a synchronizing ring 6, a jacking pin 7 and a limit bolt 9, the synchronizing ring assembly and the separation drill bushing 1 can rotate in the same direction, a copper pressing block 16 is arranged on the upper portion of the jacking pin 7, and after the copper pressing block 16 is subjected to the tensile force of a spring 18, the copper pressing block 16 can be pressed on the synchronizing ring 6 and roll along with the synchronizing ring 6.
According to a further optimized technical scheme of the invention, the copper pressing block 16 is round.
According to a further optimized technical scheme of the invention, a lever block 15 is further arranged between the copper pressing block 16 and the synchronizing ring 6.
According to a further optimized technical scheme, an outer bearing sleeve 4 is arranged outside the bearing 3, bolts 12 are arranged on the outer bearing sleeve 4, a large pressure pad 5 is arranged on the outer side of the outer bearing sleeve 4, and a small pressure ring 8 is arranged on the inner side of the outer bearing sleeve 4.
According to a further optimized technical scheme of the invention, a connecting sheet 14 is further arranged between the lever block 15 and the outer bearing sleeve 4.
According to a further optimized technical scheme of the invention, a fastening bolt 20 is arranged on the anti-suction shell 2, and a small gasket 11 and a standard elastic gasket 13 are arranged between one end of the fastening bolt 20 and the anti-suction shell 2.
The invention provides a quick-separation drill bushing of a pneumatic drilling machine for a coal mine, which consists of an anti-sucking shell 2, a quick handle 19, a synchronizing ring assembly and a separation drill bushing 1.
The anti-sucking shell 2 is coaxially assembled with the separation drill sleeve 1 through the bearing 3, and when the two ends of the separation drill sleeve 1 are connected with the drilling machine and the drill rod, the anti-sucking shell 2 is kept in a static state during drilling operation; the separating handle 19 is assembled on the anti-sucking shell 2 through the semicircular block 17, and keeps static with the anti-sucking shell 2 during drilling operation; and the synchronizing ring assembly is as follows: the synchronous ring assembly is assembled on the separation drill sleeve 1, and rotates in the same direction with the separation drill sleeve 1 during drilling operation; the two ends of the separation drill bushing 1 are responsible for connecting the spiral drill rod and the main shaft of the drilling machine and are used for transmitting torque, when the spiral drill rod is inserted, the jacking pin 7 is jacked by the clamping beans on the drill rod, and at the moment, the drill rod and the drill bushing are in a locked state.
The working process of the quick separation drill bushing of the pneumatic drilling machine for the coal mine is as follows: the spiral drill rod is inserted into the separation drill bushing 1, the jacking pin 7 is jacked, the drill rod is locked in the separation drill bushing 1, the other end of the separation drill bushing 1 is inserted into a main shaft of the drilling machine and locked by the U-shaped pin, torque starts to be transmitted, drilling is carried out, the synchronous ring 6 rotates along with the separation drill bushing 1 during drilling, the anti-sucking shell 2 and the separation handle 19 are kept static, when sucking the drill, the spiral drill rod is subjected to the suction force of a coal bed, the separation handle 19 is quickly lifted at the moment, the round copper press block 16 can be pulled down by the spring 18, the copper press block 16 is pressed on the synchronous ring 6 and rolls along with the synchronous ring 6, when the round copper press block rolls to the jacking pin 7, the jacking pin 7 is flattened by the copper press block 16, at the moment, the blocked bean on the drill rod is pressed by the jacking pin 7, the drill rod and the drill bushing 1 are released from the locking state, and the drill rod is sucked. The friction parts are made of copper, so that friction sparks are prevented.
The invention provides a quick-separation drill bushing of a pneumatic drilling machine for a coal mine, which can enable operators to quickly remove dangerous situations and reduce the labor danger coefficient of workers under the condition of sucking the drill during drilling operation; the influence of suction on the drill rod is reduced, the probability of damage to the drill rod is reduced, and the property loss is reduced to the minimum; the service life of the pneumatic drilling machine can be prolonged, and the efficiency of coal mine safety production can be improved.
The foregoing describes in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the invention by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.
Claims (4)
1. The utility model provides a pneumatic drilling machine's for colliery quick separation drill bushing, a serial communication port, including preventing inhaling casing (2), prevent inhaling casing (2) and be connected with separation drill bushing (1) through bearing (3), prevent inhaling and be equipped with separation handle (19) on casing (2), be equipped with the synchronizer ring assembly on separation drill bushing (1), the synchronizer ring assembly comprises synchronizer ring (6), jack-up round pin (7) and spacing bolt (9), synchronizer ring assembly and separation drill bushing (1) can the syntropy rotate, jack-up round pin (7) upper portion is equipped with copper briquetting (16), copper briquetting (16) receive behind the pulling force of spring (18) can press on synchronizer ring (6) and roll along with synchronizer ring (6), still be equipped with lever piece (15) between copper briquetting (16) and the synchronizer ring (6), prevent inhaling and be equipped with fastening bolt (20) on casing (2), be equipped with little gasket (11) and standard bullet pad (13) between one end and the anti-inhale casing (2) of fastening bolt (20), wherein, jack-up round pin (7) are pressed down by leveling up round pin (16) and jack-up round pin (7) are blocked by drilling rod (1) and are released the state.
2. A quick disconnect drill bushing for a pneumatic drilling rig for coal mines according to claim 1 wherein the copper briquette (16) is circular.
3. The quick release drill bushing of the pneumatic drilling machine for the coal mine, as claimed in claim 1, wherein an outer bearing bushing (4) is arranged outside the bearing (3), a large pressure pad (5) is arranged outside the outer bearing bushing (4), and a small pressure ring (8) is arranged inside the outer bearing bushing (4).
4. A quick release drill bushing for a pneumatic drilling machine for coal mines as claimed in claim 3, characterized in that a connecting piece (14) is also provided between the lever block (15) and the outer bearing bushing (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610273362.7A CN106014276B (en) | 2016-04-29 | 2016-04-29 | Quick separation drill bushing of pneumatic drilling machine for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610273362.7A CN106014276B (en) | 2016-04-29 | 2016-04-29 | Quick separation drill bushing of pneumatic drilling machine for coal mine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106014276A CN106014276A (en) | 2016-10-12 |
| CN106014276B true CN106014276B (en) | 2024-04-05 |
Family
ID=57081068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610273362.7A Active CN106014276B (en) | 2016-04-29 | 2016-04-29 | Quick separation drill bushing of pneumatic drilling machine for coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106014276B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201102092Y (en) * | 2007-10-18 | 2008-08-20 | 河南英威东风机械制造有限公司 | Device for quickly changing drill bush |
| CN103161414A (en) * | 2013-03-26 | 2013-06-19 | 重庆松藻煤电有限责任公司 | Safe dismantling device of smooth round drill pipe and method thereof |
| CN203188939U (en) * | 2013-04-17 | 2013-09-11 | 王海峰 | Hexagonal geological spiral drill stem device quick to connect and for coal mine tunnel drilling |
| CN104912491A (en) * | 2015-05-20 | 2015-09-16 | 太原理工大学 | Automatic-rotating rapid dismounting and mounting type spiral drill rod |
| CN205743744U (en) * | 2016-04-29 | 2016-11-30 | 河北川安煤矿机械制造有限公司 | A kind of sharp separation drill bushing of colliery pneumatic drilling machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050196231A1 (en) * | 2004-03-03 | 2005-09-08 | Mckay Frederick D. | Quick-locking connector |
-
2016
- 2016-04-29 CN CN201610273362.7A patent/CN106014276B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201102092Y (en) * | 2007-10-18 | 2008-08-20 | 河南英威东风机械制造有限公司 | Device for quickly changing drill bush |
| CN103161414A (en) * | 2013-03-26 | 2013-06-19 | 重庆松藻煤电有限责任公司 | Safe dismantling device of smooth round drill pipe and method thereof |
| CN203188939U (en) * | 2013-04-17 | 2013-09-11 | 王海峰 | Hexagonal geological spiral drill stem device quick to connect and for coal mine tunnel drilling |
| CN104912491A (en) * | 2015-05-20 | 2015-09-16 | 太原理工大学 | Automatic-rotating rapid dismounting and mounting type spiral drill rod |
| CN205743744U (en) * | 2016-04-29 | 2016-11-30 | 河北川安煤矿机械制造有限公司 | A kind of sharp separation drill bushing of colliery pneumatic drilling machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106014276A (en) | 2016-10-12 |
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