CN106050126A - All-electric coal mine underground drill rig - Google Patents
All-electric coal mine underground drill rig Download PDFInfo
- Publication number
- CN106050126A CN106050126A CN201610642757.XA CN201610642757A CN106050126A CN 106050126 A CN106050126 A CN 106050126A CN 201610642757 A CN201610642757 A CN 201610642757A CN 106050126 A CN106050126 A CN 106050126A
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- China
- Prior art keywords
- motor
- balladeur train
- drilling
- control system
- rotating speed
- 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.)
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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
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
-
- 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
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/04—Supports for the drilling machine, e.g. derricks or masts specially adapted for directional drilling, e.g. slant hole rigs
-
- 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
-
- 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
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
-
- 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
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
- E21B44/02—Automatic control of the tool feed
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- 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 discloses an all-electric coal mine underground drill rig which comprises a rotating mechanism, a feeding mechanism, a lifting and angle change mechanism and a control system. The height and direction of a main engine are adjusted through cooperation of a gear-rack lifter and screw telescoping mechanisms on a supporting leg and stand columns. The rotating speed and rotating direction of a rotary motor are controlled through the control system to adjust the rotating direction and rotating speed of the drill rig, and constant-rotating-speed drilling is achieved. The rotating direction and rotating speed of a feeding motor are controlled through the control system to achieve feeding and lifting at different speeds, the rotating speed of a control motor is fed back in a closed loop through the pressure of a feeding mechanism closed hydraulic system, and constant-drilling-pressure feeding of the feeding mechanism is achieved. The drill rig is simple in structure, low in weight and lower in power consumption, and labor is saved during operation.
Description
Technical field
The invention belongs to the coal tunnel exploring equipment in the fields such as geological prospecting, tunnel piercing, engineering investigation, be specifically related to
To a kind of all-electric coal mine gallery drilling rig and drilling method.
Background technology
Underground drill rig is mainly used in the gas pumping in the exploitation of large-scale downhole coal mine and geological prospecting, is to ensure that downhole coal mine
Exploitation safety and efficient important equipment, the quality of its performance directly affects the duty cycle of coal mining.Underground drill rig drives
Mode experienced by pneumatic, two stages of hydraulic-driven.
Electric drilling machine is carried out by each relevant industry Zeng Chongdian in late 1950s to the beginning of the nineties, coal system and the whole nation
Exploitation and tackling key problem, it is intended to make electric drilling machine become leading equipment, but electric drilling machine mostly is hand-held electric coal drill and belongs to machinery at that time
Transmission, driving motor is direct current generator, it is impossible to realizing stepless speed regulation, gyroscopic characteristics is hard and overload capacity is poor, and motor is because of repeatedly
Overloading and premature breakdown, the trickle moistureproof, anti-of motor and anticreep problem are difficult to be solved at all, and potential safety hazard is very big.Cause
This proposed time limits and eliminated hand-held electric coal drill etc. in a lot of mining areas at that time, and the hand-held coal causing original annual production more than 600,000 is electric
Boring, yield drastically declines, and fails all the time to widely apply in colliery.
The enterprise of hydraulic tunnel drilling machine in 2011 accounts for more than the 90.8% of underground drill rig enterprise sum, and all-hydraulic drill is coal
The charcoal system main force.But pneumatic, all-hydraulic in current domestic existing tunnel Exploration Domain there are the following problems:
1. the pneumatic drilling machine stage, being mainly used in small-size coal mine, noise is big, and capacity usage ratio is low, and weight is big, and revolution turns
Speed and feeding rate cannot accurately control.
2. the all-hydraulic drill stage, 1). at underground coal mine, particularly coal-face, hydraulic system is with mineral oil as work
The hydraulic pressure mining machinery making medium has the hidden danger causing fire and blast, and working environment at coal mines is severe, and dust is many, the system failure
Rate is higher；2). hydraulic drill rig weight is big, capacity usage ratio is low, and most rigs are middle low power rig；3) structure is complicated, maintenance
Difficulty, resettlement is wasted time and energy, and has a strong impact on work efficiency, and sealing requirements is high, easily causes close at work due to strong vibration
The problems such as envelope lost efficacy, leakage of oil.
More and more severe at drilling condition, under conditions of size is narrow and small, modern underground drill rig is had higher requirement.
In recent years, frequency conversion motor stepless speed regulation aspect (precision and scope, driving force, dynamic response characteristic, the operational efficiency such as speed governing
With ease of use etc.) it is gradually improved, underground drill rig develops towards safety, miniaturization, lighting and automation direction, all-electric
The research and development of underground drill rig are imperative, meet the development trend of modernization underground drill rig.
Summary of the invention
A kind of all-electric coal mine gallery drilling rig of the offer of the present invention.
The present invention is controlled by permanent the pressure of the drill perseverance speed closed loop, can improve to greatest extent and creep into timeliness.By system by liquid
Control becomes automatically controlled, reduces the system requirement to Oil Quality, reduces and down-hole accident occurs.All-electric underground drill rig has perfect
Fault self-diagnosis, operation and defencive function, and speed-regulating range width, it is thus achieved that the function that a lot of Mechanical Driven cannot realize, to subtracting
The error of few anthropic factor and the fault rate of equipment are significant.Research and develop all-electric underground drill rig at present and be applied to coal neck
Territory gas pumping, domestic there is not been reported.
The present invention includes slew gear, feed mechanism, lifting and angle shift mechanism and control system；
Described slew gear is by turning motor, planet-cycloid reducer, faucet, drilling rod, balladeur train, centralizer and drill bit
Composition, turning motor is connected with planet-cycloid reducer by ring flange, and drilling rod is connected with planet-cycloid reducer, and cycloidal pin subtracts
Speed device is arranged on balladeur train, and can horizontally slip on balladeur train；Faucet is arranged on the drilling rod of planet-cycloid reducer right-hand member；
Centralizer is fixed on balladeur train, and drilling rod is spacing by centralizer righting, and drill bit is threadedly attached on drilling rod；
Described feed mechanism includes feeding motor, feeding oil cylinder and piston rod, feeds motor and is fixed on balladeur train, supports
Axle is hinged with balladeur train, piston rod one end with feed motor, the piston rod other end and planet-cycloid reducer bottom are fixing to be connected；
Described lifting and angle shift mechanism include balladeur train, support shaft, Upper gasket, lower gasket, gear-tooth bar lifter, handle,
Column, supporting leg and spiral expanding mechanism, Upper gasket, lower gasket are respectively arranged in column upper and lower end, realize tooth by swinging handle
Wheel-gear rack elevating device along column up-down with support shaft, column and supporting leg is respectively mounted spiral expanding mechanism, can turn spiral expanding
Institutional adjustment column and the length of supporting leg, supporting leg upper end is hinged with balladeur train, and supporting leg lower end supports on the ground.
Described control system by closed type hydraulic system, feed motor, permanent weight control device on drilling bit；Turning motor, constant speed control
Device, operation knob and pilot composition, closed type hydraulic system, feed oil cylinder, constant-voltage controller and feed motor formed feed
Close loop control circuit, feeds motor speed by step-less adjustment, it is achieved closed type hydraulic system output constant pressure is (according to stratum feelings
The force value of condition sets itself), the constant the pressure of the drill i.e. realizing feeding system creeps into.Turning motor and constant speed control device are by control
Guidance line forms closed loop, by the rotating speed of control system step-less adjustment turning motor, i.e. have adjusted the output speed of rig；
Permanent rotating speed (according to the rotating speed of the strata condition sets itself) rotary drilling of turning motor is realized by control system.
The drilling method of the present invention is as follows:
One, all-electric coal mine gallery drilling rig is assembled as required.By lifting and spiral expanding mechanism in angle shift mechanism, adjust
Whole column and supporting leg are to appropriate length.By swinging handle, driven gear-gear rack elevating device work, it is achieved gear-tooth bar lifts
Device, handle, support shaft and balladeur train are along column up-down so that drill bit alignment position, hole；
Two, control to feed motor speed by control system, it is achieved the feeding and promote speed of step-less adjustment feeding system.
According to the drilling values set, fed the rotating speed of motor by control system regulation, it is achieved hydraulic system constant pressure feeds, the most in fact
Existing permanent the pressure of the drill creeps into.
Three, the rotating speed of turning motor is controlled by control system, it is achieved the step-less adjustment of rig speed of gyration.According to setting
Tachometer value, realize permanent rotating speed rotary drilling by control system regulation turning motor.
The present invention has a following useful achievement:
Ac variable speed technology is combined hydraulic pressure closed loop system and is applied on underground drill rig equipment by the present invention, has the most excellent
Point:
1. control turning motor rotating speed by control system and rotation direction adjusts the gyratory directions of rig and turns round speed
Degree, it is achieved stepless speed regulation and permanent rotating speed creep into；Controlled the rotation direction feeding motor by control system and realize different with rotating speed
The feeding and promoting, by the rotating speed of the pressure closed loop feedback control motor of closed type hydraulic system of speed, it is achieved feed oil cylinder permanent
The pressure of the drill feeds.This drill configuration is simple, weight is light, rapid operation, and power consumption is low；
Hydraulic control is converted to automatically controlled by the most all-electric rig, improves control speed and the capacity usage ratio of system, speed governing model
Enclose width, stepless speed regulation can be realized, good to the adaptability on stratum, raising is crept into timeliness, process down-hole accident etc. highly beneficial；
Accompanying drawing explanation
Fig. 1 is the all-electric coal mine gallery drilling rig structural representation of the present invention.
In figure: 1-turning motor, 2-planet-cycloid reducer, 3-faucet, 4-Upper gasket, 5-drilling rod, 6-balladeur train, 7-holds up
Positive device, 8-drill bit, 9-feeds motor, and 10-feeds oil cylinder, 11-support shaft, 12-lower gasket, 13-gear-tooth bar lifter, 14-
Handle, 15-column, 16-piston rod, 17-supporting leg, 18-spiral expanding mechanism, 19-constant speed control device, 20-perseverance the pressure of the drill controls
Device, 21-operation knob, 22-closed-loop hydraulic system.
Detailed description of the invention
The present invention includes slew gear, feed mechanism, lifting and angle shift mechanism and control system；
Described slew gear is by turning motor 1, planet-cycloid reducer 2, faucet 3, drilling rod 5, balladeur train 6, centralizer 7
Forming with drill bit 8, turning motor 1 is connected with planet-cycloid reducer 2 by ring flange, and drilling rod 5 is with planet-cycloid reducer 2 even
Connecing, cycloidal pin decelerator 2 is arranged on balladeur train 6, and can horizontally slip on balladeur train 6；Faucet 3 is arranged on cycloidal-pin wheel and slows down
On the drilling rod 5 of device 2 right-hand member；Centralizer 7 is fixed on balladeur train 6, and drilling rod 5 is spacing by centralizer 7 righting, and drill bit 8 passes through screw thread
It is connected on drilling rod 5；
Described feed mechanism includes feeding motor 9, feeding oil cylinder 10 and piston rod 16, feeds motor 9 and is fixed on balladeur train 6
On, support shaft 11 is hinged with balladeur train 6, piston rod 16 one end with feed motor 9, piston rod 16 other end and planet-cycloid reducer
2 bottoms are fixing to be connected；
Described lifting and angle shift mechanism include balladeur train 6, support shaft 11, Upper gasket 4, lower gasket 12, gear-tooth bar lifter
13, handle 14, column 15, supporting leg 17 and spiral expanding mechanism 18, Upper gasket 4, that lower gasket 12 is respectively arranged in column 15 is upper and lower
End, realizes gear-tooth bar lifter 13 by swinging handle 14 and lifts along column 15 with support shaft 11, on column 15 and supporting leg 17
It is respectively mounted spiral expanding mechanism 18, spiral expanding mechanism 18 can be turned and adjust column 15 and the length of supporting leg 17, supporting leg 17 upper end
Hinged with balladeur train 6, supporting leg 17 lower end supports on the ground.
Described control system by closed type hydraulic system 22, feed motor 9, permanent weight control device on drilling bit 20；Turning motor 1, perseverance turn
Speed controller 19, operation knob 21 and pilot composition, closed type hydraulic system 22, feed oil cylinder 10, constant-voltage controller 20 and
Feed motor 9 formation and feed close loop control circuit, feed motor 9 rotating speed by step-less adjustment, it is achieved closed type hydraulic system exports
Constant pressure (according to the force value of strata condition sets itself), the constant the pressure of the drill i.e. realizing feeding system creeps into.Turning motor 1
Closed loop is formed by pilot with constant speed control device 19, by the rotating speed of control system step-less adjustment turning motor 1,
I.e. have adjusted the output speed of rig；The permanent rotating speed of turning motor 1 is realized (according to strata condition sets itself by control system
Rotating speed) rotary drilling.
The using method of the present invention is as follows:
One, all-electric coal mine gallery drilling rig is assembled as required.By lifting and spiral expanding mechanism 18 in angle shift mechanism,
Adjustment column 15 and supporting leg 17, to appropriate length, are worked by swinging handle 14 driven gears-gear rack elevating device 13, it is achieved tooth
Wheel-gear rack elevating device 13, handle 14, support shaft 11 and balladeur train lift along column 15 so that drill bit 8 is directed at position, hole；
Two, control to feed motor 9 rotating speed by control system, it is achieved the feeding and promote speed of step-less adjustment feeding system
Degree.According to the drilling values set, fed the rotating speed of motor 9 by control system regulation, it is achieved hydraulic system constant pressure feeds,
I.e. realize permanent the pressure of the drill to creep into..
Three, the rotating speed of turning motor 1 is controlled by control system, it is achieved the step-less adjustment of rig speed of gyration.According to setting
Fixed tachometer value, realizes permanent rotating speed rotary drilling by control system regulation turning motor 1.
Claims (1)
1. an all-electric coal mine gallery drilling rig, it is characterised in that: include slew gear, feed mechanism, lifting and angle shift mechanism
And control system；
Described slew gear by turning motor (1), planet-cycloid reducer (2), faucet (3), drilling rod (5), balladeur train (6),
Centralizer (7) and drill bit (8) composition, turning motor (1) is connected with planet-cycloid reducer (2) by ring flange, drilling rod (5) and
Planet-cycloid reducer (2) connects, and cycloidal pin decelerator (2) is arranged on balladeur train (6), and can horizontally slip on balladeur train (6)；
Faucet (3) is arranged on the drilling rod (5) of planet-cycloid reducer (2) right-hand member；Centralizer (7) is fixed on balladeur train (6), drilling rod
(5) spacing by centralizer (7) righting, drill bit (8) is threadedly attached on drilling rod (5)；
Described feed mechanism includes feeding motor (9), feeding oil cylinder (10) and piston rod (16), feeds motor (9) and is fixed on
On balladeur train (6), support shaft (11) is hinged with balladeur train (6), piston rod (16) one end with feed motor (9), piston rod (16) another
Hold be connected fixing with planet-cycloid reducer (2) bottom；
Described lifting and angle shift mechanism include balladeur train (6), support shaft (11), Upper gasket (4), lower gasket (12), gear-tooth bar liter
Fall device (13), handle (14), column (15), supporting leg (17) and spiral expanding mechanism (18), Upper gasket (4), lower gasket (12) point
It is not installed on column (15) upper and lower end, realizes gear-tooth bar lifter (13) same to support shaft (11) edge by swinging handle (14)
Column (15) lifts, and column (15) and supporting leg (17) is respectively mounted spiral expanding mechanism (18), can turn spiral expanding mechanism
(18) adjusting column (15) and the length of supporting leg (17), supporting leg (17) upper end is hinged with balladeur train (6), and supporting leg (17) lower end is supported on
On ground；
Described control system by closed type hydraulic system (22), feed motor (9), permanent weight control device on drilling bit (20)；Turning motor (1),
Constant speed control device (19), operation knob (21) and pilot composition, closed type hydraulic system (22), feed oil cylinder (10), permanent
Pressure controller (20) and feed motor (9) and formed and feed close loop control circuit, feeds motor (9) rotating speed by step-less adjustment, real
Existing closed type hydraulic system output constant pressure, the constant the pressure of the drill realizing feeding system creeps into；Turning motor (1) and constant speed control
Device (19) forms closed loop by pilot, by the rotating speed of control system step-less adjustment turning motor (1), have adjusted brill
The output speed of machine；The permanent rotating speed rotary drilling of turning motor (1) is realized by control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610642757.XA CN106050126B (en) | 2016-08-08 | 2016-08-08 | A kind of all-electric coal mine gallery drilling rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610642757.XA CN106050126B (en) | 2016-08-08 | 2016-08-08 | A kind of all-electric coal mine gallery drilling rig |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106050126A true CN106050126A (en) | 2016-10-26 |
| CN106050126B CN106050126B (en) | 2018-03-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610642757.XA Expired - Fee Related CN106050126B (en) | 2016-08-08 | 2016-08-08 | A kind of all-electric coal mine gallery drilling rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106050126B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412440A (en) * | 2018-05-16 | 2018-08-17 | 吉林大学 | A kind of rotating slideway formula dynamic catwalk |
| CN108505961A (en) * | 2018-03-15 | 2018-09-07 | 中煤科工集团西安研究院有限公司 | Tunnel rock-core borer and application method |
| CN108956118A (en) * | 2018-07-19 | 2018-12-07 | 大连海事大学 | A kind of testing stand being able to achieve no-dig technique directional drilling parameter detecting |
| CN109763770A (en) * | 2019-03-07 | 2019-05-17 | 江苏中煤矿山设备有限公司 | A kind of efficiently and directionally drilling machine |
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| US5803189A (en) * | 1996-08-21 | 1998-09-08 | Geldner; Robert L. | Directional boring machine |
| CN101806193A (en) * | 2010-04-27 | 2010-08-18 | 湖南众鸿机电科技有限公司 | Light-duty underground drill rig |
| CN101881134A (en) * | 2010-06-24 | 2010-11-10 | 杭州祥龙钻探设备有限公司 | Gallery-type vertical and horizontal dual-purpose drilling machine |
| CN201786243U (en) * | 2010-09-29 | 2011-04-06 | 重庆平山矿山机电设备有限公司 | Drill for underground |
| CN103711431A (en) * | 2013-12-27 | 2014-04-09 | 北京中核大地矿业勘查开发有限公司 | Variable-frequency electrically-driven top drive type core drill used for geological coring exploration |
| CN103939006A (en) * | 2013-01-17 | 2014-07-23 | 江苏飞锦达科技有限公司 | Novel coal underground drill rig |
| CN205840767U (en) * | 2016-08-08 | 2016-12-28 | 吉林大学 | A kind of all-electric coal mine gallery drilling rig |
-
2016
- 2016-08-08 CN CN201610642757.XA patent/CN106050126B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5803189A (en) * | 1996-08-21 | 1998-09-08 | Geldner; Robert L. | Directional boring machine |
| CN101806193A (en) * | 2010-04-27 | 2010-08-18 | 湖南众鸿机电科技有限公司 | Light-duty underground drill rig |
| CN101881134A (en) * | 2010-06-24 | 2010-11-10 | 杭州祥龙钻探设备有限公司 | Gallery-type vertical and horizontal dual-purpose drilling machine |
| CN201786243U (en) * | 2010-09-29 | 2011-04-06 | 重庆平山矿山机电设备有限公司 | Drill for underground |
| CN103939006A (en) * | 2013-01-17 | 2014-07-23 | 江苏飞锦达科技有限公司 | Novel coal underground drill rig |
| CN103711431A (en) * | 2013-12-27 | 2014-04-09 | 北京中核大地矿业勘查开发有限公司 | Variable-frequency electrically-driven top drive type core drill used for geological coring exploration |
| CN205840767U (en) * | 2016-08-08 | 2016-12-28 | 吉林大学 | A kind of all-electric coal mine gallery drilling rig |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108505961A (en) * | 2018-03-15 | 2018-09-07 | 中煤科工集团西安研究院有限公司 | Tunnel rock-core borer and application method |
| CN108505961B (en) * | 2018-03-15 | 2019-11-22 | 中煤科工集团西安研究院有限公司 | Tunnel rock-core borer and application method |
| CN108412440A (en) * | 2018-05-16 | 2018-08-17 | 吉林大学 | A kind of rotating slideway formula dynamic catwalk |
| CN108412440B (en) * | 2018-05-16 | 2023-09-26 | 吉林大学 | Rotary slideway type power catwalk |
| CN108956118A (en) * | 2018-07-19 | 2018-12-07 | 大连海事大学 | A kind of testing stand being able to achieve no-dig technique directional drilling parameter detecting |
| CN109763770A (en) * | 2019-03-07 | 2019-05-17 | 江苏中煤矿山设备有限公司 | A kind of efficiently and directionally drilling machine |
| CN109763770B (en) * | 2019-03-07 | 2024-03-15 | 江苏中煤矿山设备有限公司 | High-efficient directional drilling machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106050126B (en) | 2018-03-20 |
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