CN111691824A - Mechanical floating wing deslagging, reaming and cave-making technology - Google Patents
Mechanical floating wing deslagging, reaming and cave-making technology Download PDFInfo
- Publication number
- CN111691824A CN111691824A CN202010701768.7A CN202010701768A CN111691824A CN 111691824 A CN111691824 A CN 111691824A CN 202010701768 A CN202010701768 A CN 202010701768A CN 111691824 A CN111691824 A CN 111691824A
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- CN
- China
- Prior art keywords
- hole
- spiral
- rod
- mechanical
- slag
- 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
- 238000007667 floating Methods 0.000 title claims abstract description 37
- 238000005516 engineering process Methods 0.000 title claims abstract description 10
- 238000005553 drilling Methods 0.000 claims description 24
- 238000005520 cutting process Methods 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 239000013049 sediment Substances 0.000 description 8
- 239000003245 coal Substances 0.000 description 7
- 230000035699 permeability Effects 0.000 description 5
- 239000002893 slag Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 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
- E21B7/28—Enlarging drilled holes, e.g. by counterboring
-
- 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
- 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
- E21B10/322—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 cutter shifted by fluid pressure
-
- 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
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (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)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention provides a mechanical floating wing slag-removing hole-enlarging and hole-building technology, which is characterized in that a rotary actuator arranged outside a hole pushes a movable push rod in a drill rod to move, the movable push rod acts on a spiral floating wing slag-building device, a pushing shaft inside the spiral floating wing slag-building device is pushed by pushing force, spiral wings protrude out of the surface of the slag-building device while the pushing shaft moves, so that a mechanical hole-enlarging and hole-building in the hole is formed, the pushing shaft in the movable push rod and the spiral floating wing slag-building device is reset and retracted after the pushing force is unloaded by the rotary actuator, and the spiral wings are recovered in the slag-building device, so that a hole-enlarging and hole-building process is completed.
Description
Technical Field
A mechanical floating wing deslagging, reaming and cave-making technology is mainly applied to fixed-point reaming and cave-making in a drill hole, and particularly aims at implementation and application in the fields of gas permeability increase and ore pressure control in coal mining.
Background
Gas permeability increasing is a key technology for improving gas extraction efficiency and a key technical index for controlling coal mine safety production, at present, methods for increasing gas permeability are various, in some areas, bottom suction roadway drilling is carried out to realize gas extraction and guarantee effective operation of safety mining, on the basis of the method, hydraulic punching or high-pressure mechanical hole expanding is mostly adopted to carry out hole making and permeability increasing for improving the gas extraction efficiency, both the hydraulic punching and the hole making are carried out by using high-pressure water as kinetic energy, hydraulic punching is carried out by using a high-pressure slag extractor (also called a high-pressure water jet cutter) and a high-pressure jet flow starting nozzle arranged on the outer surface, when high-pressure water passes through, ultrahigh-speed high-pressure water jet flow is formed by the high-pressure water jet flow, a coal seam is cut and made into holes by the high-pressure water jet flow, so that gas permeability increasing is carried out, and the defect of irregular hole forming is caused by, the influence of the relation of the hardness of the coal seam is large, and the expected effect cannot be accurately achieved; the high-pressure mechanical reaming is to carry out even reaming to the coal seam through the wing of single wing, biplane or even the wing of many wings arrangement, its principle utilizes the water under high pressure to promote inside plunger structure, drive opening and shutting of wing through the plunger, thereby carry out downthehole cave-making, this process implementation can effective control downthehole cave-making diameter, nevertheless dangerous great when implementing, high-pressure water leakage causes the injury of people easily, downthehole wing controllability that resets is poor, the wing because the atress is uneven drops easily when meeting the coal petrography juncture, to sum up, it is the technological problem of solving above all to provide a high-efficient stable downthehole cave device, also there is same technical bottleneck to the mining pressure improvement equally.
Disclosure of Invention
The invention provides a mechanical floating wing slag-discharging hole-enlarging and cave-building technology, which is characterized in that a rotary actuator arranged outside a hole pushes a movable push rod in a drill rod to move, the movable push rod acts on a spiral floating wing slag-discharging device, a pushing shaft inside the spiral floating wing slag-discharging device is pushed by pushing force, spiral wings protrude out of the surface of the slag-discharging device while the pushing shaft moves, so that mechanical hole-enlarging and cave-building in the hole is formed, the movable push rod and the pushing shaft in the spiral floating wing slag-discharging device reset and retract after the pushing force is unloaded by the rotary actuator, the spiral wings are recovered in the slag-discharging device, and therefore, a hole-enlarging and cave-building process is completed.
The rotary actuator is a rotary actuator mechanism capable of rotating at a high speed, one end of the rotary actuator is connected with the mechanical ejector rod type drill rod and synchronously rotates with the mechanical ejector rod type drill rod through the rotary mechanism, water can be injected into the mechanical ejector rod type drill rod through the rotary mechanism when necessary, and therefore the purpose of cooling a head drilling drill bit is achieved, the propelling mechanism is a hydraulic propeller structure arranged inside, and a movable push rod in the mechanical ejector rod type drill rod is pushed to move through hydraulic thrust.
Wherein mechanical ejector pin formula drilling rod be inside and outside two-layer structure, the outside is provided with the middle body of rod, body of rod both sides are provided with outer connector and interconnection joint in the middle of, be provided with the connecting device that can be used to interconnect on outer connector and the interconnection joint respectively, can set up to the interconnect that screw thread or grafting structure also just made things convenient for many mechanical ejector pin formula drilling rods, the inside movable push rod that is provided with of mechanical ejector pin formula drilling rod, movable push rod fixes through the support ring, the support ring is thin annular hollow out construction, the passing through of cooling water when the hollow out construction guarantee is beaten, one end at movable push rod is provided with reset spring, through the steerable movable push rod of reset spring return rapidly when thrust uninstallation, movable push rod is the.
Wherein its mainly used downthehole coal seam reaming of spiral floating wing row sediment ware use, spiral floating wing be the reaming wing, have the effect of downthehole making cave when it is outstanding when arranging the sediment ware surface, the discontinuous heliciform structure that spiral floating wing was arranged for many wings, arrange sediment efficiency when can improving the reaming through heliciform structure, it discharges in order to guide the reaming drilling mud through the spiral, prevent the jamming drilling phenomenon that the overstock of drilling mud was accomplished, spiral floating wing is for following the up-and-down motion that perpendicular to arranged sediment ware the central axis and go on, promote spiral floating wing through arranging the propelling guide rod of sediment ware inside and carry out the up-and-down simultaneous movement, the top of spiral floating wing is arranged along drilling cutting direction and is used for the cutting blade that the cutting piece bored, the cutting blade mostly is carbide or diamond welding constitution.
The top of the spiral floating wing slag extractor is connected with a multi-stage hole expanding drill bit which can be used for normal drilling, the drill bit is in a multi-wing multi-combination shape and can also be in a multi-wing single-stage structure, the drill bits of different structures can be matched according to the requirement of the drilling diameter, the drill bit is used for drilling in a hole by means of the rotating force transmitted by a drilling machine to a mechanical ejector rod type drill rod during normal drilling, and the drill bit is used for crushing and removing hole-making drilling slag along with the spiral floating wing slag extractor during hole-making.
Drawings
FIG. 1 is a closed cross-sectional view of a spiral wing in a mechanical floating wing slagging, reaming and hole-making technique;
FIG. 2 is an opened cross-sectional view of a spiral wing in a mechanical floating wing deslagging, reaming and hole-making technique;
wherein, 1-rotary actuator, 2-mechanical ejector rod type drill rod, 3-spiral floating wing slag extractor, 4-expanding bit
Wherein 101-hydraulic propeller, 102-movable push rod, 103-rotary joint
201-inner connection joint, 202-support ring, 203-drill rod movable push rod, 204-outer connection joint, 205-middle rod body, 206-reset spring
Wherein 301-advance guide rod, 302-spiral floating wing, 303-spiral line, 304-cutting blade.
Detailed Description
According to the mechanical floating wing deslagging, reaming and cave-building technology, the specific implementation mode is as follows:
one end of the rotary actuator 1 is connected with a mechanical ejector rod type drill rod 2, the rotary actuator 1 and the mechanical ejector rod type drill rod 2 synchronously rotate, water can be injected into the mechanical ejector rod type drill rod 2 through the rotary mechanism when necessary, one end of the rotary actuator 1 is provided with a hydraulic propeller 101, the hydraulic propeller 101 pushes a movable push rod 102 to move, the other end of the rotary actuator is provided with a rotary joint 103, and the rotary actuator is connected with an internal connection joint 201 in the drill rod through the rotary joint 103.
Mechanical ejector rod formula drilling rod 2 is inside and outside two-layer structure, the outside is provided with middle body of rod 205, body of rod 205 both sides are provided with outer connector 204 and interconnection joint 201 in the middle of, be provided with the connecting device that can be used to interconnect on outer connector 204 and the interconnection joint 201 respectively, can set up to the interconnect that also just many mechanical ejector rod formula drilling rods 2 of screw thread or grafting structure, mechanical ejector rod formula drilling rod 2 is inside to be provided with drilling rod activity push rod 203, drilling rod activity push rod 203 fixes through support ring 202, support ring 202 is thin annular hollow out construction, one end at drilling rod activity push rod 203 is provided with reset spring 206.
Spiral floating wing row sediment ware 3 is the discontinuous helix 303 column structure that the multi-wing arranged, arrange discontinuous spiral floating wing 302 through helix 303 column structure, spiral floating wing 303 is for following the up-and-down motion that the perpendicular to row sediment ware the central axis goes on, push away guide arm 301 through arranging sediment ware inside and promote spiral floating wing 303 and carry out simultaneous movement from top to bottom, spiral floating wing 303's top is arranged along the drilling cutting direction and is used for cutting the cutting blade 304 that drills into, cutting blade 304 is mostly carbide or the compound piece welding of diamond and constitutes.
Claims (3)
1. A technology for reaming and making cave by removing dregs with mechanical floating wings features that a rotary actuator arranged outside the hole pushes the movable push rod in drill rod to move, the movable push rod acts on the dregs remover with spiral floating wings, the push axle in said dregs remover is pushed by thrust, and the spiral wings are projected from the surface of dregs remover while the push axle moves to form a mechanical reaming cave in hole.
2. The mechanical floating wing deslagging hole enlarging and hole making technology as claimed in claim 1, wherein the mechanical ejector rod type drill rod is of an inner-layer structure and an outer-layer structure, a middle rod body is arranged outside the mechanical ejector rod type drill rod, an outer connector and an inner connector are arranged on two sides of the middle rod body, connecting devices which can be connected with each other are respectively arranged on the outer connector and the inner connector, a movable push rod is arranged inside the mechanical ejector rod type drill rod and fixed through a support ring, and a reset spring is arranged at one end of the movable push rod.
3. The mechanical floating wing slag-discharging hole-expanding and hole-making technology as claimed in claim 1, wherein the spiral floating wing slag-discharging device is an interrupted spiral structure with multiple wings, the spiral floating wing moves up and down along the central axis of the slag-discharging device, the spiral floating wing is pushed by a propelling guide rod in the slag-discharging device to move up and down simultaneously, and the top of the spiral floating wing is provided with a cutting blade for cutting drilling along the drilling and cutting direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010701768.7A CN111691824A (en) | 2020-07-18 | 2020-07-18 | Mechanical floating wing deslagging, reaming and cave-making technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010701768.7A CN111691824A (en) | 2020-07-18 | 2020-07-18 | Mechanical floating wing deslagging, reaming and cave-making technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111691824A true CN111691824A (en) | 2020-09-22 |
Family
ID=72486536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010701768.7A Pending CN111691824A (en) | 2020-07-18 | 2020-07-18 | Mechanical floating wing deslagging, reaming and cave-making technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111691824A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187536A (en) * | 2021-04-21 | 2021-07-30 | 山东科技大学 | Retreating type coal seam hydraulic reaming cave-making permeability-increasing device and permeability-increasing method |
-
2020
- 2020-07-18 CN CN202010701768.7A patent/CN111691824A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187536A (en) * | 2021-04-21 | 2021-07-30 | 山东科技大学 | Retreating type coal seam hydraulic reaming cave-making permeability-increasing device and permeability-increasing method |
| CN113187536B (en) * | 2021-04-21 | 2022-07-19 | 山东科技大学 | Retreating type coal seam hydraulic reaming cave-making permeability-increasing device and permeability-increasing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200922 |