CN114233178A - Rotary excavating machine drill bit for coal mine ground engineering construction - Google Patents
Rotary excavating machine drill bit for coal mine ground engineering construction Download PDFInfo
- Publication number
- CN114233178A CN114233178A CN202111532537.9A CN202111532537A CN114233178A CN 114233178 A CN114233178 A CN 114233178A CN 202111532537 A CN202111532537 A CN 202111532537A CN 114233178 A CN114233178 A CN 114233178A
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- China
- Prior art keywords
- drill bit
- sleeve
- rotating shaft
- ring
- engineering construction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010276 construction Methods 0.000 title claims abstract description 14
- 239000003245 coal Substances 0.000 title claims abstract description 12
- 239000002689 soil Substances 0.000 abstract description 8
- 238000005553 drilling Methods 0.000 abstract description 6
- 238000001125 extrusion Methods 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005056 compaction Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
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
- E21B7/00—Special methods or apparatus for drilling
-
- 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
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention aims to solve the drilling problem of a rotary excavating machine, and discloses a rotary excavating machine drill bit for coal mine ground engineering construction, which comprises a rotating shaft and an air pump, wherein a first drill bit is fixedly arranged at the lower end of the rotating shaft, a second drill bit is sleeved above the first drill bit, a second sleeve ring is sleeved on the upper side of the surface of the rotating shaft, a first spiral spring is connected to the lower end surface of the second sleeve ring, the lower end of the first spiral spring is connected with the first sleeve ring, an air bag is sleeved in the first sleeve ring, a snap ring is fixedly connected to the surface of the second sleeve ring, a first connecting rod is fixedly connected to the right side surface of the air pump, a second sleeve pipe is fixedly arranged at the right end of the first connecting rod, and a second connecting rod is fixedly arranged on the right side surface of the second sleeve pipe. According to the invention, through the matching of the first drill bit and the second drill bit, the inner wall of the drilled hole can be extruded by soil through the extrusion between the drill bits, the hole wall is compacted, and collapse is avoided.
Description
Technical Field
The invention relates to the field of rotary excavating machines, in particular to a rotary excavating machine drill bit for coal mine ground engineering construction.
Background
The 'shuigun' is mainly involved in the drilling of the percussion drill and the rotary drilling rig, and generally only engineering accidents such as drill bit dropping, hammer dropping, underwater steel cage cutting, drill rod breaking and the like occur, the cost of one drill bit is less than ten thousand, if shallow hole fishing cost is good, if the cost exceeds the cost of the drill bit once the depth exceeds more than forty meters, but if the hole is not fished, the hole is abandoned, a institute is required to be designed to redesign the hole site, the whole body is dragged, the influence of the hole site can be far more than one hole site, and long-time shutdown is realized, so that the cost is far more than the cost of fishing. The water is also required to be fished out from the aspect of economic benefit and the like.
Therefore when carrying out drilling, if the drop of drill bit appears need water ghost to salvage, can appear collapsing of pore wall when salvaging, the leading cause just can not carry out the compaction with the pore wall in the drilling to it is more dangerous, harm to water ghost is great under the pressure condition of hydraulic pressure, consequently, need design a colliery ground engineering construction with digging soon the machine drill bit solves the problem of digging soon the machine drilling.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a rotary excavating machine drill bit for coal mine ground engineering construction.
The invention is realized by the following technical scheme:
a rotary excavating machine drill bit for coal mine ground engineering construction comprises a rotating shaft and an air pump, wherein a first drill bit is fixedly mounted at the lower end of the rotating shaft, a second drill bit is sleeved above the first drill bit, a second sleeve ring is sleeved on the upper side of the surface of the rotating shaft, a first spiral spring is connected to the lower end face of the second sleeve ring, a first sleeve ring is connected to the lower end of the first spiral spring, an air bag is sleeved inside the first sleeve ring, a snap ring is fixedly connected to the surface of the second sleeve ring, a first connecting rod is fixedly connected to the right side face of the air pump, a second sleeve pipe is fixedly mounted at the right end of the first connecting rod, a second connecting rod is fixedly mounted on the right side face of the second sleeve pipe, a first sleeve pipe is fixedly mounted at the right side face of the first sleeve pipe, a supporting frame is fixedly mounted at the top end of the supporting frame, a guide ring is fixedly mounted at the top end of the supporting frame, a first slide rod is sleeved inside the first sleeve pipe, the utility model discloses a slide bar, including first slide bar, first sleeve pipe, second sleeve pipe, first slide bar, first guide pulley, first nut, second screw spring, second slide bar, first guide pulley, second nut, first sleeve pipe, second guide pulley, first guide pulley, second slide bar surface downside cover has the second nut, be connected with third screw spring between second nut and the second sleeve pipe.
Preferably, the second drill bit is sleeved outside the rotating shaft.
Preferably, the first sleeve is sleeved outside the rotating shaft, and the air bag is of an annular structure and is sleeved outside the rotating shaft.
Preferably, the vent tube is in communication with the bladder.
Preferably, the first slide bar is in sliding fit with the first sleeve, and the second slide bar is in sliding fit with the second sleeve.
Preferably, the second sleeve ring is connected with the rotating shaft in a sleeved mode.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, through the matching of the first drill bit and the second drill bit, soil is conveniently extruded through the matching of the drill bits, and then the air bag can be controlled through the control of the air pump, so that the extrusion force in the hole wall is increased by driving the second drill bit to rotate, and the extrusion force in the hole wall is increased by utilizing the self force of the soil, thus the drilled hole is prevented from collapsing, the drill bits are safer when being salvaged, and the air pipe can be tightly supported through the support of the first slide bar and the second slide bar. According to the invention, through the matching of the first drill bit and the second drill bit, the inner wall of the drilled hole can be extruded by soil through the extrusion between the drill bits, the hole wall is compacted, and collapse is avoided.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of the first collar of the present invention.
FIG. 3 is a schematic view of the present invention in cooperation with a surface borehole.
Description of reference numerals: 1. the pneumatic air pump comprises a first drill bit, 2, a second drill bit, 3, a first sleeve ring, 4, a first spiral spring, 5, a second sleeve ring, 6, a clamping ring, 7, a rotating shaft, 8, a supporting frame, 9, a guide ring, 10, a first sleeve pipe, 11, a second spiral spring, 12, a first screw cap, 13, a first sliding rod, 14, a first guide wheel, 15, an air pipe, 16, an air pump, 17, a first connecting rod, 18, a second sleeve pipe, 19, a second connecting rod, 20, a third spiral spring, 21, a second sliding rod, 22, a second screw cap, 23, a second guide wheel, 24 and an air bag.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution:
a rotary excavating machine drill bit for coal mine ground engineering construction comprises a rotating shaft 7 and an air pump 16, wherein a first drill bit 1 is fixedly mounted at the lower end of the rotating shaft 7, a second drill bit 2 is sleeved above the first drill bit 1, a second sleeve ring 5 is sleeved on the upper side of the surface of the rotating shaft 7, a first spiral spring 4 is connected with the lower end surface of the second sleeve ring 5, a first sleeve ring 3 is connected with the lower end of the first spiral spring 4, an air bag 24 is sleeved inside the first sleeve ring 3, a snap ring 6 is fixedly connected with the surface of the second sleeve ring 5, a first connecting rod 17 is fixedly connected with the right side surface of the air pump 16, a second sleeve 18 is fixedly mounted at the right end of the first connecting rod 17, a second connecting rod 19 is fixedly mounted at the right side surface of the second sleeve 18, a first sleeve 10 is fixedly mounted at the right end of the second connecting rod 19, a support frame 8 is fixedly mounted at the right side surface of the first sleeve 10, 8 top fixed mounting of support frame has guide ring 9, the inside cover of first sleeve pipe 10 has first slide bar 13, second guide pulley 23 is equipped with to first slide bar 13 lower extreme, first slide bar 13 surface cover has first nut 12, be connected with second coil spring 11 between first nut 12 and the first sleeve pipe 10, the inside cover of second sleeve pipe 18 has second slide bar 21, first guide pulley 14 is equipped with on second slide bar 21 top, the surperficial downside cover of second slide bar 21 has second nut 22, be connected with third coil spring 20 between second nut 22 and the second sleeve pipe 18.
In this embodiment, the second drill bit 2 is sleeved outside the rotating shaft 7.
In this embodiment, the first collar 3 is sleeved outside the rotating shaft 7, and the air bag 24 is of an annular structure and is sleeved outside the rotating shaft 7.
In this embodiment, the vent tube 15 communicates with the bladder 24.
In this embodiment, the first slide 13 is slidably engaged with the first sleeve 10, and the second slide 21 is slidably engaged with the second sleeve 18.
In this embodiment, the second collar 5 is connected to the shaft 7.
The method comprises the following operation steps: firstly, the air pump 16 is not controlled, the same as the ordinary rotary excavator drill bit, when the rotary excavator works, the first drill bit 1 is driven to rotate, the second drill bit 2 is not rotated, at the moment, soil is accumulated between the first drill bit 1 and the second drill bit 2, then the air pump 16 is controlled, the air pump 16 is enabled to inflate the air bag 24 through the air pipe 15, the air bag 24 is enabled to expand, the friction force between the air bag 24 and the rotating shaft 7 is increased, the first sleeve ring 3 is enabled to extrude the second drill bit 2, the first drill bit 1 and the second drill bit 2 are used for extrusion, so that the inner wall of the hole is extruded through the soil, the inner wall of the hole is compacted through the soil, then the rotary excavator is controlled to reversely rotate, the first drill bit 1 and the second drill bit 2 to reversely rotate, the soil is taken out of the hole, if the drill bit drops, personnel fishing the drill bit are protected, through the compaction to the hole, prevent to appear collapsing, safer.
The present embodiment is only for explaining the present invention, and not for limiting the present invention, and those skilled in the art can make modifications without inventive contribution to the present embodiment as needed after reading the present specification, but all of which are protected by patent law within the scope of the claims of the present invention.
Claims (6)
1. The utility model provides a colliery ground engineering construction is with boring quick-witted drill bit soon, includes pivot (7) and air pump (16), its characterized in that: the lower end of the rotating shaft (7) is fixedly provided with a first drill bit (1), a second drill bit (2) is sleeved on the upper portion of the first drill bit (1), a second sleeve ring (5) is sleeved on the upper side of the surface of the rotating shaft (7), a first spiral spring (4) is connected to the lower end face of the second sleeve ring (5), a first sleeve ring (3) is connected to the lower end of the first spiral spring (4), an air bag (24) is sleeved inside the first sleeve ring (3), a snap ring (6) is fixedly connected to the surface of the second sleeve ring (5), a first connecting rod (17) is fixedly connected to the right side face of the air pump (16), a second sleeve (18) is fixedly arranged at the right end of the first connecting rod (17), a second connecting rod (19) is fixedly arranged on the right side face of the second sleeve (18), a first sleeve (10) is fixedly arranged at the right end face of the second connecting rod (19), a support frame (8) is fixedly arranged on the right side face of the first sleeve (10), support frame (8) top fixed mounting has guide ring (9), the inside cover of first sleeve pipe (10) has first slide bar (13), second guide pulley (23) are equipped with to first slide bar (13) lower extreme, first slide bar (13) surface cover has first nut (12), be connected with second coil spring (11) between first nut (12) and first sleeve pipe (10), the inside cover of second sleeve pipe (18) has second slide bar (21), first guide pulley (14) are equipped with on second slide bar (21) top, second slide bar (21) surface downside cover has second nut (22), be connected with third coil spring (20) between second nut (22) and second sleeve pipe (18).
2. The rotary excavating machine drill bit for coal mine ground engineering construction according to claim 1, characterized in that: the second drill bit (2) is sleeved outside the rotating shaft (7).
3. The rotary excavating machine drill bit for coal mine ground engineering construction according to claim 1, characterized in that: the first lantern ring (3) is sleeved outside the rotating shaft (7), and the air bag (24) is of an annular structure and is sleeved outside the rotating shaft (7).
4. The rotary excavating machine drill bit for coal mine ground engineering construction according to claim 1, characterized in that: the vent pipe (15) is communicated with the air bag (24).
5. The rotary excavating machine drill bit for coal mine ground engineering construction according to claim 1, characterized in that: the first sliding rod (13) is in sliding fit with the first sleeve (10), and the second sliding rod (21) is in sliding fit with the second sleeve (18).
6. The rotary excavating machine drill bit for coal mine ground engineering construction according to claim 1, characterized in that: the second lantern ring (5) is connected with the rotating shaft (7) in a sleeved mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111532537.9A CN114233178A (en) | 2021-12-15 | 2021-12-15 | Rotary excavating machine drill bit for coal mine ground engineering construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111532537.9A CN114233178A (en) | 2021-12-15 | 2021-12-15 | Rotary excavating machine drill bit for coal mine ground engineering construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114233178A true CN114233178A (en) | 2022-03-25 |
Family
ID=80756109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111532537.9A Pending CN114233178A (en) | 2021-12-15 | 2021-12-15 | Rotary excavating machine drill bit for coal mine ground engineering construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114233178A (en) |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0228138A2 (en) * | 1985-12-31 | 1987-07-08 | Gaspar Jozef Coelus | Process for placing a concrete pile in the ground and a screw drill and casing to be used in the process |
| EP0747537A1 (en) * | 1995-06-08 | 1996-12-11 | B.V.B.A. Olivier Betonfabriek En Funderingstechnieken | Drive-out drill and method for the realisation of ground screw-piles |
| FR2831206A1 (en) * | 2001-10-24 | 2003-04-25 | Cie Du Sol | Tool drilling and optionally compacting for cast piles, combines tapered helical excavation screw with tapered helical compacting scroll having opposite senses of rotation |
| CA2432038A1 (en) * | 2002-07-18 | 2004-01-18 | Tesco Corporation | Borehole stabilization while drilling |
| US20060260849A1 (en) * | 2005-05-20 | 2006-11-23 | Soilmec S.P.A. | Bit for excavation and compaction equipment for erecting piles, and excavation equipment provided with said bit |
| CN207110973U (en) * | 2017-08-31 | 2018-03-16 | 重庆华硕建设有限公司 | A kind of drill bit for Spiral digging machine |
| CN107842313A (en) * | 2017-11-28 | 2018-03-27 | 重庆华硕建设有限公司 | A kind of rotary drilling rig compact making hole construction technology |
| CN207332770U (en) * | 2017-10-11 | 2018-05-08 | 李伯勋 | A kind of Spiral digging machine screw extrusion is into drill |
| CN208106316U (en) * | 2018-04-13 | 2018-11-16 | 广东电网有限责任公司东莞供电局 | A kind of Novel portable ground connection is drilled device |
| CN110242214A (en) * | 2019-05-10 | 2019-09-17 | 湖南达道新能源开发有限公司 | A kind of geothermal measurement equipment suitable for different terrain environment |
| KR102028182B1 (en) * | 2019-03-12 | 2019-11-14 | 전재운 | Construction method of pillar type underground structure using excavation system for structural casing burial |
| CN210317228U (en) * | 2019-06-06 | 2020-04-14 | 广西高远投资股份有限公司 | Device for salvaging drill bit of rotary drilling machine |
| CN210918893U (en) * | 2019-12-02 | 2020-07-03 | 张云健 | Drill bit for rapidly repairing wall of pile hole |
| CN111852326A (en) * | 2020-07-06 | 2020-10-30 | 深圳市工勘岩土集团有限公司 | Karst development area rotary excavating mine type extrusion drill bit karst cave treatment method |
| CN113502863A (en) * | 2021-08-11 | 2021-10-15 | 金山 | Foundation ditch vertical road excavation device for construction |
| CN113669006A (en) * | 2021-07-22 | 2021-11-19 | 马宏伟 | Adjustable pre-drilling equipment for pipe burying of reinforced liquefied sand foundation |
-
2021
- 2021-12-15 CN CN202111532537.9A patent/CN114233178A/en active Pending
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0228138A2 (en) * | 1985-12-31 | 1987-07-08 | Gaspar Jozef Coelus | Process for placing a concrete pile in the ground and a screw drill and casing to be used in the process |
| EP0747537A1 (en) * | 1995-06-08 | 1996-12-11 | B.V.B.A. Olivier Betonfabriek En Funderingstechnieken | Drive-out drill and method for the realisation of ground screw-piles |
| FR2831206A1 (en) * | 2001-10-24 | 2003-04-25 | Cie Du Sol | Tool drilling and optionally compacting for cast piles, combines tapered helical excavation screw with tapered helical compacting scroll having opposite senses of rotation |
| CA2432038A1 (en) * | 2002-07-18 | 2004-01-18 | Tesco Corporation | Borehole stabilization while drilling |
| US20060260849A1 (en) * | 2005-05-20 | 2006-11-23 | Soilmec S.P.A. | Bit for excavation and compaction equipment for erecting piles, and excavation equipment provided with said bit |
| CN207110973U (en) * | 2017-08-31 | 2018-03-16 | 重庆华硕建设有限公司 | A kind of drill bit for Spiral digging machine |
| CN207332770U (en) * | 2017-10-11 | 2018-05-08 | 李伯勋 | A kind of Spiral digging machine screw extrusion is into drill |
| CN107842313A (en) * | 2017-11-28 | 2018-03-27 | 重庆华硕建设有限公司 | A kind of rotary drilling rig compact making hole construction technology |
| CN208106316U (en) * | 2018-04-13 | 2018-11-16 | 广东电网有限责任公司东莞供电局 | A kind of Novel portable ground connection is drilled device |
| KR102028182B1 (en) * | 2019-03-12 | 2019-11-14 | 전재운 | Construction method of pillar type underground structure using excavation system for structural casing burial |
| CN110242214A (en) * | 2019-05-10 | 2019-09-17 | 湖南达道新能源开发有限公司 | A kind of geothermal measurement equipment suitable for different terrain environment |
| CN210317228U (en) * | 2019-06-06 | 2020-04-14 | 广西高远投资股份有限公司 | Device for salvaging drill bit of rotary drilling machine |
| CN210918893U (en) * | 2019-12-02 | 2020-07-03 | 张云健 | Drill bit for rapidly repairing wall of pile hole |
| CN111852326A (en) * | 2020-07-06 | 2020-10-30 | 深圳市工勘岩土集团有限公司 | Karst development area rotary excavating mine type extrusion drill bit karst cave treatment method |
| CN113669006A (en) * | 2021-07-22 | 2021-11-19 | 马宏伟 | Adjustable pre-drilling equipment for pipe burying of reinforced liquefied sand foundation |
| CN113502863A (en) * | 2021-08-11 | 2021-10-15 | 金山 | Foundation ditch vertical road excavation device for construction |
Non-Patent Citations (1)
| Title |
|---|
| 渠伟等: "大口径救援生命通道的施工工艺及钻具配置", 中国安全生产科学技术, no. 1, 26 September 2016 (2016-09-26), pages 444 - 48 * |
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