CN109113786A - Drilling rod formula gas drainage device can be exited - Google Patents
Drilling rod formula gas drainage device can be exited Download PDFInfo
- Publication number
- CN109113786A CN109113786A CN201811191682.3A CN201811191682A CN109113786A CN 109113786 A CN109113786 A CN 109113786A CN 201811191682 A CN201811191682 A CN 201811191682A CN 109113786 A CN109113786 A CN 109113786A
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- Prior art keywords
- drilling rod
- gas drainage
- boring anchor
- fan
- drilling
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- 238000005553 drilling Methods 0.000 title claims abstract description 129
- 239000003245 coal Substances 0.000 claims abstract description 9
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 235000014676 Phragmites communis Nutrition 0.000 claims description 6
- 241001074085 Scophthalmus aquosus Species 0.000 claims description 3
- 239000011435 rock Substances 0.000 abstract description 7
- 230000000903 blocking effect Effects 0.000 abstract description 5
- 238000000605 extraction Methods 0.000 abstract description 4
- 239000000284 extract Substances 0.000 abstract 1
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
-
- 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
- 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
-
- 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
- E21B10/00—Drill bits
- E21B10/42—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
-
- 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
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention discloses can exit drilling rod formula gas drainage device, what the present invention can be convenient extracts drilling rod out, and, after drilling rod drilling, gas drainage pipe is sent into drilling before drilling rod extraction, lead to the interior the phenomenon that blocking that drills after can preventing drilling rod from releasing, the coal mine gas drainage for being especially suitable for the easy blocking drilling such as soft rock uses, jackrod structure of the invention is simple, after the completion of drilling rod is drilled with, gas drainage pipe can be quickly finished protrudes into laying, split type drill bit need to only be opened using gas drainage pipe, it is simple and convenient, drill bit is after opening, when needing to bore next hole, drill bit need to only be closed, drill bit is suitble to this drilling power of soft rock not need king-sized occasion, it can effectively improve the efficiency of gas drainage, improve the utilization rate of drilling rod.
Description
Technical field
The present invention relates to drilling rod formula gas drainage device can be exited, belong to gas drainage equipment technical field.
Background technique
Current gas drainage is usually that first gas drainage pipe is layed in the drilling in coal seam, then utilizes gas drainage
Device is sucked by vacuum it, and gas is extracted out, and this extraction way needs for gas drainage pipe to be layed in the drilling in coal seam,
It is currently that first drilling rod drills to coal seam, then, drilling rod is extracted out, gas drainage pipe is protruded into drilling, and for soft
For rock, after exiting to drilling rod, it is easy to appear collapsings or gas drainage bar to be difficult to protrude into drilling for drilling, in this regard, having
A little occasions need to stay drilling rod in drilling, using drilling rod as gas drainage pipe, or gas drainage pipe are protruded into drilling rod, this
It results in drilling rod to generate very big waste, influences the efficiency of gas drainage, and improve gas drainage cost.
For the present invention in view of the above problems, drilling rod formula gas drainage device can be exited by providing, the paving of gas drainage pipe is covered in raising
If efficiency and stability.
Summary of the invention
To achieve the above object, the invention provides the following technical scheme: drilling rod formula gas drainage device can be exited comprising
Drilling device, drilling rod, gas drainage device, gas drainage pipe and Split type drill component, wherein the rear end of the drilling rod with it is described
Drilling device removably connects, and the drilling rod is hollow structure, and the front end of the drilling rod is provided with the Split type drill
Component, the gas drainage device are connect with the rear end of the gas drainage pipe, and guiding is provided in the hollow cavity of the drilling rod and is slided
Dynamic component, the front end of the gas drainage pipe are protruded into the guiding slide assemblies, so that gas drainage pipe is passed through the brill
Bar protrudes into the drilling in coal seam, and to facilitate the drilling rod to exit drilling, the Split type drill component is in the gas drainage pipe
Ejection under, each seperated part of the Split type drill component can be mobile towards the radial outside of drilling rod, to make
The gas drainage pipe protrudes into the drilling, and exits the drilling rod.
Further, preferably, the drilling rod is additionally provided on the rear end outer wall of the Split type drill component
Reamer.
Further, preferably, the guiding slide assemblies include retainer plate, center slide and conical guider, wherein
The retainer plate fixation is set in the hollow cavity of the drilling rod, and it is sliding that center is fixedly installed in the centre bore of the retainer plate
Seat, the gas drainage pipe are protruded into and can be slided along the center slide, are provided with the taper on the outside of the retainer plate
Guider, in order to which cunning that the gas drainage pipe protrudes into the center slide is intracavitary.
Further, preferably, the Split type drill component includes multiple interior fan-shaped boring anchor, connection component, outer sector
Boring anchor and hinge column, wherein each interior fan-shaped boring anchor collectively constitutes a cylindrical structure, and each outer fan-shaped boring anchor
A circular ring structure is collectively constituted, and the cylindrical structure of the circular ring structure and the interior fan-shaped boring anchor is coaxially laid, it is each described
It is linked together between the interior corresponding outer fan-shaped boring anchor of sector boring anchor using the connection component, the outer fan-shaped boring anchor
Outer end pass through in the hinged column articulated hinged ear that the drill rod end is set, be provided with block on the inner wall of the drilling rod,
The outer fan-shaped boring anchor is limited by the block, and outer drill bit, the interior fan-shaped brill are provided on the outer fan-shaped boring anchor
Interior drill bit is intensively provided on seat, the connection component makes the distance between the interior fan-shaped boring anchor and the outer fan-shaped boring anchor
It adjustably adjusts, and is not arranged rotatably between the interior fan-shaped boring anchor and the outer fan-shaped boring anchor.
Further, preferably, the connection component includes guide rod, sliding limit base, spring and against reed,
In, one end of the guide rod is fixed on the outer fan-shaped boring anchor, and one end of the sliding limit base is also secured at described outer
On fan-shaped boring anchor, the other end of the guide rod is protruded into the pilot hole of the interior fan-shaped boring anchor, on the interior fan-shaped boring anchor also
It is provided with and searches the limit hole that sliding limit base is slidably matched and is limited, the sliding limit base and the limit hole with Soviet Union
It is provided between bottom wall against reed, is additionally provided with the spring between the sliding limit base and the outer fan-shaped boring anchor.
Further, preferably, being additionally provided with auxiliary block seat, the auxiliary between the block and the outer fan-shaped boring anchor
Block seat is hingedly arranged on the drilling rod using articulated shaft, and the side of the auxiliary block seat towards the interior fan-shaped boring anchor is provided with
The position of positioning auxiliary groove, the correspondence positioning auxiliary groove of the interior fan-shaped boring anchor is provided with positioning auxiliary seat, described
Positioning auxiliary seat can extend into the setting with the stretching positioning auxiliary groove.
Further, preferably, the end of the positioning auxiliary seat is to have bevelled guiding cutting-edge structure, and be oriented to point
The inclined-plane of end structure is towards the radially inner direction inclination of drilling rod, and one convenient for the positioning auxiliary seat, to protrude into the positioning auxiliary recessed
In slot, the positioning auxiliary groove most inner wall is provided with elastic cushion, and the elastic cushion abuts against the guiding cutting-edge structure setting.
Further, corresponding on the drilling rod preferably, being additionally provided with limited shoulder on the articulated shaft assisted on block seat
The position of the limited shoulder is provided with the limit shoulder seat limited the rotational angle of limited shoulder.
Further, described trapezoidal preferably, the side for protruding into drilling rod of the interior fan-shaped boring anchor is provided with trapezoidal groove
Groove applies ejecting force to the interior fan-shaped boring anchor convenient for the gas drainage pipe.
Further, preferably, when applying ejecting force to the interior fan-shaped boring anchor using gas drainage pipe, first by drilling rod
A distance is extracted out, so that drill bit is located at the position after reamer reaming.
Compared with prior art, the beneficial effects of the present invention are:
Of the invention exits drilling rod formula gas drainage device, it may be convenient to extract drilling rod out, moreover, drilling in drilling rod
Afterwards, gas drainage pipe is sent into drilling before drilling rod extraction, causing to drill after can preventing drilling rod from releasing interior occurs blocking
Phenomenon, the coal mine gas drainage for being especially suitable for the easy blocking drilling such as soft rock use, and jackrod structure of the invention is simple, and drilling rod bores
If after the completion, can quickly finish gas drainage pipe protrudes into laying, need to only it utilize gas drainage pipe by split type drill bit
It opens, simple and convenient, drill bit is after opening, and when needing to bore next hole, need to only close drill bit, drill bit is suitble to
This drilling power of soft rock does not need king-sized occasion, can effectively improve the efficiency of gas drainage, improves the utilization rate of drilling rod.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that the present invention can exit drilling rod formula gas drainage device；
Fig. 2 is the side structure schematic view for the Split type drill component that the present invention can exit drilling rod formula gas drainage device；
Fig. 3 is the Split type drill component side view partial enlargement structural representation that the present invention can exit drilling rod formula gas drainage device
Figure；
Fig. 4 is the Split type drill component schematic view of the front view that the present invention can exit drilling rod formula gas drainage device.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution: drilling rod formula gas drainage device can be exited comprising bored
Hole equipment, drilling rod 2, gas drainage device, gas drainage pipe 5 and Split type drill component 4, wherein the rear end of the drilling rod 2 and institute
Drilling device is stated removably to connect, the drilling rod 2 be hollow structure, and the front end of the drilling rod 2 be provided with it is described split type
Drill bit assembly 4, the gas drainage device connect with the rear end of the gas drainage pipe 5, are provided in the hollow cavity of the drilling rod
Slide assemblies are oriented to, the front end of the gas drainage pipe 5 is protruded into the guiding slide assemblies 7, to lead to gas drainage pipe
It crosses the drilling rod to protrude into the drilling in coal seam, to facilitate the drilling rod to exit drilling, the Split type drill component 4 is at described watt
Under the ejection of this drainage tube, each seperated part of the Split type drill component 4 can be mobile towards the radial outside of drilling rod,
To protrude into the gas drainage pipe 5 in the drilling, and exit the drilling rod.
In the present embodiment, the drilling rod on the rear end outer wall of the Split type drill component is additionally provided with reaming
Device 3.The guiding slide assemblies include retainer plate, center slide 6 and conical guider 8, wherein the retainer plate fixation is arranged
In the hollow cavity of the drilling rod 2, center slide 6, the gas drainage pipe 5 are fixedly installed in the centre bore of the retainer plate
It protrudes into and can be slided along the center slide 6, the conical guider 8 is provided on the outside of the retainer plate, in order to institute
State gas drainage pipe protrude into the center slide cunning it is intracavitary.
In the present embodiment, the Split type drill component includes multiple interior fan-shaped boring anchor 17, connection component 19, outer sector
Boring anchor 10 and hinge column 9, wherein each interior fan-shaped boring anchor 17 collectively constitutes a cylindrical structure, and each exterior wing
Shape boring anchor 10 collectively constitutes a circular ring structure, and the cylindrical structure of the circular ring structure and the interior fan-shaped boring anchor is coaxially laid,
It is linked together between each interior fan-shaped corresponding outer fan-shaped boring anchor 10 of boring anchor 17 using the connection component 19,
The outer end of the outer fan-shaped boring anchor is hingedly arranged in the hinged ear of the drill rod end by hinge column 9, the drilling rod it is interior
Block 15 is provided on wall, the outer fan-shaped boring anchor is limited by the block 15, is provided on the outer fan-shaped boring anchor
Outer drill bit 11, is intensively provided with interior drill bit 12 on the interior fan-shaped boring anchor, the connection component make the interior fan-shaped boring anchor with
The distance between described outer fan-shaped boring anchor adjustably adjusts, and between the interior fan-shaped boring anchor 17 and the outer fan-shaped boring anchor 10 not
Rotatably setting.
As more preferably embodiment, the connection component includes guide rod, sliding limit base, spring and against reed,
In, one end of the guide rod is fixed on the outer fan-shaped boring anchor, and one end of the sliding limit base is also secured at described outer
On fan-shaped boring anchor, the other end of the guide rod is protruded into the pilot hole of the interior fan-shaped boring anchor, on the interior fan-shaped boring anchor also
It is provided with and searches the limit hole that sliding limit base is slidably matched and is limited, the sliding limit base and the limit hole with Soviet Union
It is provided between bottom wall against reed, is additionally provided with the spring between the sliding limit base and the outer fan-shaped boring anchor.
It is additionally provided with auxiliary block seat 13 between the block and the outer fan-shaped boring anchor, the auxiliary block seat 13 is using hinged
Axis 14 is hingedly arranged on the drilling rod 2, and it is auxiliary that the side of the auxiliary block seat 13 towards the interior fan-shaped boring anchor is provided with positioning
Groove is helped, the position of the correspondence positioning auxiliary groove of the interior fan-shaped boring anchor is provided with positioning auxiliary seat 16, the positioning
Auxiliary block can extend into the setting with the stretching positioning auxiliary groove.
The end of the positioning auxiliary seat is to have bevelled guiding cutting-edge structure 20, and be oriented to the inclined-plane court of cutting-edge structure
Radially inner direction inclination to drilling rod, one protrudes into the positioning auxiliary groove convenient for the positioning auxiliary seat, the positioning
Auxiliary flute most inner wall is provided with elastic cushion 21, and the elastic cushion abuts against the guiding cutting-edge structure setting.
It is additionally provided with limited shoulder on articulated shaft on the auxiliary block seat, the position of the limited shoulder is corresponded on the drilling rod
It is provided with the limit shoulder seat 22 limited the rotational angle of limited shoulder.The side for protruding into drilling rod of the interior fan-shaped boring anchor is set
It is equipped with trapezoidal groove, the trapezoidal groove applies ejecting force to the interior fan-shaped boring anchor convenient for the gas drainage pipe.It is utilizing
When gas drainage pipe applies ejecting force to the interior fan-shaped boring anchor, first drilling rod is extracted out a distance, so that drill bit is located at reaming
Position after device reaming.
Of the invention exits drilling rod formula gas drainage device, it may be convenient to extract drilling rod out, moreover, in drilling rod
After drilling, gas drainage pipe is sent into drilling before drilling rod extraction, leads to interior block up that drill after can preventing drilling rod from releasing
The phenomenon that plug, the coal mine gas drainage for being especially suitable for the easy blocking drilling such as soft rock use, and jackrod structure of the invention is simple, bores
After the completion of bar drill is set, can quickly finish gas drainage pipe protrudes into laying, need to only utilize gas drainage pipe will be split type
Drill bit opens, simple and convenient, and drill bit is after opening, and when needing to bore next hole, need to only close drill bit, drill bit
It is suitble to this drilling power of soft rock not need king-sized occasion, can effectively improve the efficiency of gas drainage, improve the benefit of drilling rod
With rate.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. drilling rod formula gas drainage device can be exited, which is characterized in that it includes drilling device, drilling rod, gas drainage device, gas
Drainage tube and Split type drill component, wherein the rear end of the drilling rod is removably connect with the drilling device, the drilling rod
The front end of hollow structure, and the drilling rod is provided with the Split type drill component, the gas drainage device and the gas
The rear end of drainage tube connects, and is provided with guiding slide assemblies in the hollow cavity of the drilling rod, the front end of the gas drainage pipe is stretched
Enter in the guiding slide assemblies, it is described to facilitate to protrude into the drilling in coal seam gas drainage pipe by the drilling rod
Drilling rod exits drilling, the Split type drill component under the ejection of the gas drainage pipe, the Split type drill component
Each seperated part can be mobile towards the radial outside of drilling rod, to protrude into the gas drainage pipe in the drilling,
And exit the drilling rod.
2. according to claim 1 exit drilling rod formula gas drainage device, it is characterised in that: the drilling rod is located at institute
It states and is additionally provided with reamer on the rear end outer wall of Split type drill component.
3. according to claim 2 exit drilling rod formula gas drainage device, it is characterised in that: the guiding slide assemblies
Including retainer plate, center slide and conical guider, wherein the retainer plate fixation is set in the hollow cavity of the drilling rod,
Center slide is fixedly installed in the centre bore of the retainer plate, the gas drainage pipe protrudes into and can be along the center slide
It slides, is provided with the conical guider on the outside of the retainer plate, slided in order to which the gas drainage pipe protrudes into the center
The cunning of seat is intracavitary.
4. according to claim 3 exit drilling rod formula gas drainage device, it is characterised in that: the Split type drill group
Part includes multiple interior fan-shaped boring anchors, connection component, outer fan-shaped boring anchor and hinge column, wherein each interior fan-shaped boring anchor is common
Form a cylindrical structure, and each outer fan-shaped boring anchor collectively constitutes a circular ring structure, and the circular ring structure with it is described interior
The cylindrical structure of fan-shaped boring anchor is coaxially laid, and is used between each interior fan-shaped corresponding outer fan-shaped boring anchor of boring anchor
The connection component links together, and by hinged column articulated the drill rod end is arranged in the outer end of the outer fan-shaped boring anchor
In hinged ear, block is provided on the inner wall of the drilling rod, the outer fan-shaped boring anchor is limited by the block, described outer
It is provided with outer drill bit on fan-shaped boring anchor, is intensively provided with interior drill bit on the interior fan-shaped boring anchor, the connection component makes described
The distance between interior sector boring anchor and the outer sector boring anchor adjustably adjust, and the interior fan-shaped boring anchor and the outer fan-shaped brill
It is not arranged rotatably between seat.
5. according to claim 4 exit drilling rod formula gas drainage device, it is characterised in that: the connection component includes
Guide rod slides limit base, spring and against reed, wherein and one end of the guide rod is fixed on the outer fan-shaped boring anchor,
One end of the sliding limit base is also secured on the outer fan-shaped boring anchor, and the other end of the guide rod protrudes into the interior sector
In the pilot hole of boring anchor, it is additionally provided on the interior fan-shaped boring anchor and searches the limit that sliding limit base is slidably matched and is limited with Soviet Union
Position hole, be provided between sliding limit base and the bottom wall of the limit hole against reed, the sliding limit base with it is described
The spring is additionally provided between outer sector boring anchor.
6. according to claim 5 exit drilling rod formula gas drainage device, it is characterised in that: the block and described outer
Auxiliary block seat is additionally provided between fan-shaped boring anchor, the auxiliary block seat is hingedly arranged on the drilling rod using articulated shaft, described
The side of auxiliary block seat towards the interior fan-shaped boring anchor is provided with positioning auxiliary groove, and the correspondence of the interior fan-shaped boring anchor is described fixed
The position of position auxiliary flute is provided with positioning auxiliary seat, and the positioning auxiliary seat can extend into and stretch out the positioning auxiliary groove
Setting.
7. according to claim 4 exit drilling rod formula gas drainage device, it is characterised in that: the positioning auxiliary seat
End is to have bevelled guiding cutting-edge structure, and be oriented to the inclined-plane of cutting-edge structure towards the radially inner direction inclination of drilling rod,
One protrudes into the positioning auxiliary groove convenient for the positioning auxiliary seat, and the positioning auxiliary groove most inner wall setting is flexible
Pad, the elastic cushion abut against the guiding cutting-edge structure setting.
8. according to claim 6 exit drilling rod formula gas drainage device, it is characterised in that: on the auxiliary block seat
Limited shoulder is additionally provided on articulated shaft, the position that the limited shoulder is corresponded on the drilling rod is provided with rotational angle to limited shoulder
The limit shoulder seat limited.
9. according to claim 4 exit drilling rod formula gas drainage device, it is characterised in that: the interior fan-shaped boring anchor
The side for protruding into drilling rod is provided with trapezoidal groove, and the trapezoidal groove applies the interior fan-shaped boring anchor convenient for the gas drainage pipe
Add ejecting force.
10. according to claim 4 exit drilling rod formula gas drainage device, it is characterised in that: utilizing gas drainage
When pipe applies ejecting force to the interior fan-shaped boring anchor, first drilling rod is extracted out a distance, so that after drill bit is located at reamer reaming
Position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811191682.3A CN109113786B (en) | 2018-10-12 | 2018-10-12 | Gas extraction device capable of withdrawing drill rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811191682.3A CN109113786B (en) | 2018-10-12 | 2018-10-12 | Gas extraction device capable of withdrawing drill rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109113786A true CN109113786A (en) | 2019-01-01 |
| CN109113786B CN109113786B (en) | 2023-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811191682.3A Active CN109113786B (en) | 2018-10-12 | 2018-10-12 | Gas extraction device capable of withdrawing drill rod |
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| Country | Link |
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| CN (1) | CN109113786B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943346A (en) * | 2021-01-29 | 2021-06-11 | 河南理工大学 | Three-dimensional gas extraction mechanism for complex rock stratum |
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