CN104453728B - A kind of anti-collapse aperture apparatus - Google Patents
A kind of anti-collapse aperture apparatus Download PDFInfo
- Publication number
- CN104453728B CN104453728B CN201410654971.8A CN201410654971A CN104453728B CN 104453728 B CN104453728 B CN 104453728B CN 201410654971 A CN201410654971 A CN 201410654971A CN 104453728 B CN104453728 B CN 104453728B
- Authority
- CN
- China
- Prior art keywords
- protection pipe
- wall protection
- tooth
- drilling
- drilling rod
- 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.)
- Expired - Fee Related
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
- E21B10/32—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F7/00—Methods or devices for drawing- off gases with or without subsequent use of the gas for any purpose
Abstract
The invention discloses a kind of anti-collapse aperture apparatus and its drill bit structure, it is related to technical field of engineering machinery, the bottom of wall protection pipe is provided with retaining wall tube propeller, wall protection pipe is enclosed within outside drill bit structure and drilling rod, described drill bit structure comprises to creep into tooth, expansion tooth, tool rest, fixing axle and handle of a knife, wherein drilling tooth is fixed on tool rest, expansion tooth is connected with handle of a knife by fixing axle, described retaining wall tube propeller is by locator card, pressure bearing and wall protection pipe pushing disc composition, the middle part of wall protection pipe pushing disc is provided with pressure bearing, wall protection pipe propulsion tray bottom is provided with locator card, pressure bearing is used for eliminating the moment of torsion producing in wall protection pipe progradation, wall protection pipe pushing disc is used for stablizing wall protection pipe and is allowed to be simultaneously advanced with drilling rod.The present invention is especially suitable in three-soft seam drilling construction, using follow-up wall protection pipe in time in drilling process, boring smoothly can extract drilling rod out after terminating it is ensured that the Completion of Drilling Hole rate of three-soft seam.
Description
Technical field
The present invention relates to a kind of anti-collapse aperture apparatus and drill bit structure, belong to technical field of engineering machinery.
Background technology
In China, " three is soft " is thick and super high seam accounts for very big proportion, and reserves number is in terms of 10,000,000,000 tons." three is soft " coal seam country rock belongs to
In the very big heterogeneous body stratiform preservation of diversity, show as country rock difficult to form bearing structure, uneven whole of strong country rock
Body sinks, side's deformation instability, necessarily leads to the opposing party's unstability, forms vicious cycle, due to the Protodyakonov coefficient in " three is soft " coal seam
Very little, the equal very little of coefficient of internal friction, cohesive strength, so allow for the stress very little that can bear in coal seam, after the completion of boring, due to answering
The quadratic distribution of power, hole wall can not bear weight stress in coal seam etc. above, can lead to that hole wall is sheared or pressure is subject to
To destroying, lead to be unable to pore-forming.Solving drilling problems is safety in production, the premise of methane drawing.
The threat of Gas Disaster accident strongly limit the raising of coal production scale, production efficiency and economic benefit.Watt
The effective control of this disaster is to ensure that a critical problem of China coal industry sustainable development.
By the invention it is possible to solve in " three is soft " coal seam boring it is ensured that pore-forming, gas extraction problem it can be ensured that
Safety in production, directly facilitates the development of national economy.
Content of the invention
For the problems referred to above, the technical problem to be solved in the present invention is to provide a kind of anti-collapse aperture apparatus and drill bit structure.
The anti-collapse aperture apparatus of the present invention and drill bit structure, it comprises retaining wall tube propeller, wall protection pipe and drill bit structure, retaining wall
The bottom of pipe is provided with retaining wall tube propeller, and wall protection pipe is enclosed within outside drill bit structure and drilling rod.
Preferably, described drill bit structure comprises to creep into tooth, expansion tooth, tool rest, fixing axle and handle of a knife, wherein creep into tooth
It is fixed on tool rest, expansion tooth is connected with handle of a knife by fixing axle.
Preferably, described retaining wall tube propeller is made up of locator card, pressure bearing and wall protection pipe pushing disc, wall protection pipe
The middle part of pushing disc is provided with pressure bearing, and wall protection pipe propulsion tray bottom is provided with locator card, and pressure bearing is used for eliminating retaining wall
The moment of torsion producing in pipe progradation, wall protection pipe pushing disc is used for stablizing wall protection pipe and is allowed to be simultaneously advanced with drilling rod.
Preferably, described wall protection pipe comprises retaining wall interface tube, drawing-off gas hole and retaining wall pipe joint, the one of wall protection pipe
End is provided with retaining wall interface tube, and the other end of wall protection pipe is provided with retaining wall pipe joint, and is evenly equipped with gas on the pipe shaft of wall protection pipe
Discharge orifice.
Preferably, being provided with gear structure inside described tool rest, gear structure comprises master gear, linkage gear and fixation
Axle, master gear is in transmission connection with linkage gear, and linkage gear be fixedly arranged in the middle of fixing axle.
Preferably, described wall protection pipe is made up of high intensity, antistatic, resistance combustible material.
Preferably, the width of described drilling tooth is more than or equal to the width of described tool rest.
Preferably, described drilling tooth is uniformly welded in tool rest by 120 °, drilling tooth is provided with internal tooth, center tooth, external tooth,
And described internal tooth, center tooth, external tooth in sustained height, are not outwards increased by described drill bit structure centrage successively, and creep into tooth
Side is provided with three side teeth, and along side vertical runs.
Preferably, the root of described expansion tooth is provided with water hole.
Preferably, described handle of a knife has been easy to stacks before rig for a six sides pin connection of reordering.
Beneficial effects of the present invention：1st, anti-collapse aperture apparatus of the present invention and its bit diameter described in drill bit structure can
Become, reaming can be realized while boring, both ensure that wall protection pipe can advance with drilling rod, boring can also be smooth after terminating
Move back brill；
2nd, anti-collapse aperture apparatus of the present invention and its wall protection pipe described in drill bit structure can external force in balance pipe, effectively anti-
Only collapse hole, creates conditions for the discharge of " three is soft " coal-bed gas.Wall protection pipe is made up of high intensity, antistatic, resistance combustible material, safety
Reliable, do not affect coal seam and subsequently exploit；
3rd, anti-collapse aperture apparatus of the present invention and its drill bit structure installation are convenient, simple and reliable for structure, and economy is strong.
Brief description：
For ease of explanation, the present invention is embodied as and accompanying drawing is described in detail by following.
Fig. 1 is present configuration schematic diagram；
Fig. 2 is the angle of rake structural representation of wall protection pipe of the present invention；
Fig. 3 is the B-B direction cross section structure diagram of Fig. 2；
Fig. 4 is the structural representation of wall protection pipe in the present invention；
Fig. 5 is the structural representation of drill bit structure in the present invention；
Fig. 6 is tool rest gear structure inside schematic diagram in the present invention.
1- retaining wall tube propeller；2- wall protection pipe；3- drill bit structure；11- locator card；12- pressure bearing；13- wall protection pipe pushes away
Enter disk；21- retaining wall interface tube；22- drawing-off gas hole；23- retaining wall pipe joint；31- creeps into tooth；32- expands tooth；33- tool rest；
34- fixing axle；35- handle of a knife；41- master gear；42- linkage gear；43- fixing axle.
Specific embodiment：
As shown in figures 1 to 6, this specific embodiment employs the following technical solutions：It comprises retaining wall tube propeller 1, wall protection pipe
2 and drill bit structure 3, the bottom of wall protection pipe 2 is provided with retaining wall tube propeller 1, and wall protection pipe 2 is enclosed within outside drill bit structure 3 and drilling rod.
Preferably, described drill bit structure 3 comprises to creep into tooth 31, expansion tooth 32, tool rest 33, fixing axle 34 and handle of a knife
35, wherein drilling tooth 31 is fixed on tool rest 33, and expansion tooth 32 is connected with handle of a knife 35 by fixing axle 34.
Preferably, described retaining wall tube propeller 1 is by locator card 11, pressure bearing 12 and 13 groups of wall protection pipe pushing disc
Become, the middle part of wall protection pipe pushing disc 13 is provided with pressure bearing 12, and wall protection pipe pushing disc 13 bottom is provided with locator card 11, pressure
Power bearing 12 is used for eliminating the moment of torsion producing in wall protection pipe progradation, wall protection pipe pushing disc 13 be used for stablizing wall protection pipe be allowed to
Drilling rod simultaneously advances.
Preferably, described wall protection pipe 2 comprises retaining wall interface tube 21, drawing-off gas hole 22 and retaining wall pipe joint 23, shield
One end of wall pipe 2 is provided with retaining wall interface tube 21, and the other end of wall protection pipe 2 is provided with retaining wall pipe joint 23, and wall protection pipe 2
Drawing-off gas hole 22 is evenly equipped with pipe shaft.
Preferably, being provided with gear structure inside described tool rest 33, gear structure comprises master gear 41, linkage gear 42
With fixing axle 43, master gear 41 is in transmission connection with linkage gear 42, and linkage gear 42 be fixedly arranged in the middle of fixing axle 43.
Preferably, the 2 of described wall protection pipe are made up of high intensity, antistatic, resistance combustible material.
Preferably, the width of described drilling tooth 31 is more than or equal to the width of described tool rest 33.
Preferably, described drilling tooth 31 is uniformly welded in tool rest 33 by 120 °, drilling tooth 31 is provided with internal tooth, centre
Tooth, external tooth, and described internal tooth, center tooth, external tooth, not in sustained height, outwards increase successively by described drill bit structure 3 centrage,
And drilling tooth 31 side is provided with three side teeth, and along side vertical runs.
Preferably, the root of described expansion tooth 32 is provided with water hole.
Preferably, described handle of a knife 35 has been easy to stacks before rig for a six sides pin connection of reordering.
Originally it is embodied as described anti-collapse aperture apparatus and its drill bit structure work process is as follows：After due to most rigs being all
Stacks, it is impossible to install wall protection pipe 2, in order to ensure that wall protection pipe 2 simultaneously advances with drill bit structure 3, prevents generation in drilling process
Collapse hole, needs to connect wall protection pipe 2 while stacks before rig, solid rig is amplified to 1.8m in work interplanar distance, brill
Bar connects to be switched through from conventional silk and is changed into six sides and reorders a pin connection in order to jointed rod before rig；Rig reaches specified location
Afterwards, first drill bit structure 3 is connected with drilling rod, upper drilling rod steady pin, starts rig and send water drilling to enter, until first drilling rod is smooth
Pierce coal seam；Drilling rod in coal seam is unloaded from rig, after rig connects new drilling rod, takes retaining wall tube propeller 1, unclamp propulsion
The set screw of device locator card 11 is enclosed within drilling rod, and wall protection pipe pushing disc 13 is moved on to behind suitable position, fastens set screw,
It is made coaxially to position with drilling rod, so that wall protection pipe 2 and drilling rod simultaneously advance, after wall protection pipe 2 and wall protection pipe pushing disc 13 are packaged,
So that new stacks is connected with drilling rod in coal seam, start rig and continue drilling, wall protection pipe 2 can simultaneously advance together with drilling rod, and rise
To guard aperture effect it should be noted that need to carry out after closing drilling compressed air and water before connecting, with drilling process,
Repeat above drill bit structure 3 and be connected installation action with drilling rod.
Ultimate principle and principal character and the advantages of the present invention of the present invention have been shown and described above.The technology of the industry
, it should be appreciated that the present invention is not restricted to the described embodiments, the simply explanation described in above-described embodiment and description is originally for personnel
The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these changes
Change and improvement both falls within scope of the claimed invention.Claimed scope by appending claims and its
Equivalent thereof.
Claims (3)
1. a kind of anti-collapse aperture apparatus it is characterised in that：It comprises retaining wall tube propeller (1), wall protection pipe (2) and drill bit structure (3),
The bottom of wall protection pipe (2) is provided with retaining wall tube propeller (1), and wall protection pipe (2) is enclosed within outside drill bit structure (3) and drilling rod；Described
Drill bit structure (3) comprise to creep into tooth (31), expansion tooth (32), tool rest (33), fixing axle (34) and handle of a knife (35), wherein creep into
Tooth (31) is fixed on tool rest (33), and expansion tooth (32) is connected with handle of a knife (35) by fixing axle (34)；Described wall protection pipe pushes away
Enter device (1) to be made up of locator card (11), pressure bearing (12) and wall protection pipe pushing disc (13), the middle part of wall protection pipe pushing disc (13)
Pressure bearing (12) is installed, the bottom of wall protection pipe pushing disc (13) is provided with locator card (11), and pressure bearing (12) is used for disappearing
Except the moment of torsion producing in wall protection pipe progradation, wall protection pipe pushing disc (13) is used for stablizing wall protection pipe and is allowed to synchronously be pushed away with drilling rod
Enter；Described wall protection pipe (2) comprises retaining wall interface tube (21), drawing-off gas hole (22) and retaining wall pipe joint (23), wall protection pipe (2)
One end be provided with retaining wall interface tube (21), the other end of wall protection pipe (2) is provided with retaining wall pipe joint (23), and wall protection pipe (2)
Pipe shaft on be evenly equipped with drawing-off gas hole (22)；It is provided with gear structure, gear structure comprises main tooth inside described tool rest (33)
Wheel (41), linkage gear (42) and fixing axle (43), master gear (41) is in transmission connection with linkage gear (42), and linkage gear
(42) be fixedly arranged in the middle of fixing axle (43)；Described wall protection pipe (2) is made up of high intensity, antistatic, resistance combustible material.
2. a kind of anti-collapse aperture apparatus according to claim 1 it is characterised in that：The width of described drilling tooth (31) is more than
Or it is equal to the width of described tool rest (33)；Described drilling tooth (31) is uniformly welded in tool rest (33), drilling tooth (31) by 120 °
It is provided with internal tooth, center tooth, external tooth, and described internal tooth, center tooth, external tooth be in sustained height, by described drill bit structure (3) center
Line outwards increases successively, and drilling tooth (31) side is provided with three side teeth, and along side vertical runs；Described expansion tooth (32)
Root be provided with water hole；Described handle of a knife (35) has been easy to stacks before rig for a six sides pin connection of reordering.
3. a kind of anti-collapse aperture apparatus according to claim 1 it is characterised in that：Its work process principle is：Due to many
Number rigs are all rear stacks it is impossible to install wall protection pipe (2), in order to ensure that wall protection pipe (2) simultaneously advanced with drill bit structure (3),
Prevent from, in drilling process, collapse hole occurs, need while stacks, to connect wall protection pipe (2) before rig, Gu by rig between work surface
Away from being amplified to 1.8m, drilling rod connects to be switched through from conventional silk and is changed into a six sides pin connection of reordering and bores in order to connect before rig
Bar；After rig reaches specified location, first drill bit structure (3) is connected with drilling rod, upper drilling rod steady pin, starts rig and send water drilling
Enter, until first drilling rod smoothly pierces coal seam；Drilling rod in coal seam is unloaded from rig, after rig connects new drilling rod, takes
Retaining wall tube propeller (1), the set screw unclamping propeller locator card (11) is enclosed within drilling rod, and wall protection pipe pushing disc (13) is moved
To after suitable position, fasten set screw so as to coaxially position with drilling rod, so that wall protection pipe (2) is simultaneously advanced with drilling rod, will
After wall protection pipe (2) and wall protection pipe pushing disc (13) package, so that new stacks is connected with drilling rod in coal seam, start rig and continue to bore
Enter, wall protection pipe (2) can simultaneously advance together with drilling rod, and play guard aperture effect it should be noted that need to close before connecting
Carry out after drilling compressed air and water, with drilling process, repeat above drill bit structure (3) and be connected installation action with drilling rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410654971.8A CN104453728B (en) | 2014-11-18 | 2014-11-18 | A kind of anti-collapse aperture apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410654971.8A CN104453728B (en) | 2014-11-18 | 2014-11-18 | A kind of anti-collapse aperture apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104453728A CN104453728A (en) | 2015-03-25 |
| CN104453728B true CN104453728B (en) | 2017-03-08 |
Family
ID=52900406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410654971.8A Expired - Fee Related CN104453728B (en) | 2014-11-18 | 2014-11-18 | A kind of anti-collapse aperture apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104453728B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL2024998A (en) * | 2019-03-05 | 2020-09-11 | Univ Anhui Sci & Technology | Gas extraction pipe applicable to upbound borehole tending to collapse |
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| CN106168117B (en) * | 2015-09-30 | 2018-08-10 | 洛阳武轩重工机械有限公司 | A kind of plate retaining wall follow-up reaming bit |
| CN108005581B (en) * | 2017-12-15 | 2023-10-27 | 河南理工大学 | Device for forming anchoring hole in top plate of soft broken thick-roof coal roadway and using method of device |
| CN108179978B (en) * | 2018-01-10 | 2019-05-14 | 河南理工大学 | Strengthen cherry coal rock intensity drilling method and drilling tool |
| CN108590516A (en) * | 2018-05-29 | 2018-09-28 | 佛山拾念科技有限公司 | A kind of geological prospecting device and its application method |
| CN109594926A (en) * | 2019-01-15 | 2019-04-09 | 高九华 | Roll-in cut drill |
| CN111577121A (en) * | 2019-04-07 | 2020-08-25 | 江山显进机电科技服务有限公司 | Well drilling method |
| CN114151014A (en) * | 2021-11-30 | 2022-03-08 | 武穴市明锐机械股份有限公司 | Full-automatic easy-to-draw-in type pipe-following reaming drill bit |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5524708A (en) * | 1994-02-28 | 1996-06-11 | Isaacs; Jonathan W. | Non-metallic oil well tubing system |
| CN104100212A (en) * | 2013-04-15 | 2014-10-15 | 上海海隆石油钻具有限公司 | Anti-collapsing and anti-striking protection drilling rod |
| CN203669921U (en) * | 2014-01-24 | 2014-06-25 | 河南理工大学 | Soft and broken coal seam gas extraction hole drilling with casing device |
| CN103726791B (en) * | 2014-01-24 | 2016-03-30 | 河南理工大学 | Soft and broken seam gas pumping hole pipe-following drilling Counterboring apparatus |
| CN103726869B (en) * | 2014-01-24 | 2015-09-16 | 河南理工大学 | Soft and broken seam gas pumping hole pipe-following drilling method |
-
2014
- 2014-11-18 CN CN201410654971.8A patent/CN104453728B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL2024998A (en) * | 2019-03-05 | 2020-09-11 | Univ Anhui Sci & Technology | Gas extraction pipe applicable to upbound borehole tending to collapse |
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| Publication number | Publication date |
|---|---|
| CN104453728A (en) | 2015-03-25 |
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Granted publication date: 20170308 Termination date: 20171118 |
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| CF01 | Termination of patent right due to non-payment of annual fee |