CN102808580B - Laser directional drilling tool for coal-bed-methane level development hole and drilling method using same - Google Patents
Laser directional drilling tool for coal-bed-methane level development hole and drilling method using same Download PDFInfo
- Publication number
- CN102808580B CN102808580B CN201210283476.1A CN201210283476A CN102808580B CN 102808580 B CN102808580 B CN 102808580B CN 201210283476 A CN201210283476 A CN 201210283476A CN 102808580 B CN102808580 B CN 102808580B
- Authority
- CN
- China
- Prior art keywords
- ring
- bearing
- drilling
- circuit
- stepper motor
- 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
- 238000005553 drilling Methods 0.000 title claims abstract description 139
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000003245 coal Substances 0.000 claims abstract description 26
- 239000000835 fiber Substances 0.000 claims description 64
- 238000001514 detection method Methods 0.000 claims description 18
- 238000005065 mining Methods 0.000 claims description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- 230000006641 stabilisation Effects 0.000 claims description 9
- 238000011105 stabilization Methods 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 239000013307 optical fiber Substances 0.000 claims description 6
- 230000000087 stabilizing effect Effects 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000011435 rock Substances 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 5
- 101000917826 Homo sapiens Low affinity immunoglobulin gamma Fc region receptor II-a Proteins 0.000 description 1
- 101000917824 Homo sapiens Low affinity immunoglobulin gamma Fc region receptor II-b Proteins 0.000 description 1
- 102100029204 Low affinity immunoglobulin gamma Fc region receptor II-a Human genes 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
The invention relates to a laser directional drilling tool for a coal-bed-methane level development hole and a drilling method using the same. The drilling method includes: using high-energy laser beams to rapidly heat local coal rock to enable the coal rock to break due to excessively high internal stress, and allowing high-speed auxiliary air to bring away debris of the coal rock. The drilling tool comprises a laser emitter, and a deflection control part and a deflection actuating part thereof. The deflection control part of the laser emitter is composed of a battery box, a circuit board and the like. The deflection actuating part of the laser emitter comprises a cam and a gear. The cam controls deflection of the laser emitter. The gear controls overall rotation of the laser emitter. In the drilling method, the drilling tool is lowered into a drill hole to be drilled, drilling is started according to the principle of laser rock crushing, data acquisition, storage and processing are performed simultaneously, and a stepping motor is adjusted to control deflection of the laser emitter so as to automatically and directionally correct the deflection in drilling. The drilling tool and the drilling method are applied to directional drilling for the coal-bed-methane level development hole and are higher in drilling efficiency, better in directional control performance and lower in bit consumption.
Description
Technical field
The present invention relates to a kind of coal bed gas horizon mining hole laser orientation and creep into drilling tool and drilling method thereof, specifically a kind of utilize laser fracturing coal petrography creep into drilling tool and drilling method thereof.
Background technology
Along with the aggravation of energy scarcity, coal gas industry is more and more subject to the attention of countries in the world, and the extraction of coal bed gas is also raising year by year with utilization.But traditional mechanical type drilling method has been not enough to meet the demand of modern exploitation.Tradition mechanical type has crept into following deficiency: drilling efficiency is low, control is large to poor performance, drill bit consumption.Creep into drilling tool so propose coal-bed gas exploitation hole laser orientation.And existing experiment shows that laser rock fragmenting has feasibility.The present invention, by the method drilling well of laser fracturing coal petrography, has improved drilling efficiency, control to performance, and has reduced the consumption of drill bit.
Summary of the invention
The object of the invention is to solve that current coal bed gas horizon mining hole drilling efficiency is low, the control of drilling tool is to poor performance, the problem that the consumption of drill bit is large, and provide a kind of coal bed gas horizon mining hole laser orientation creep into drilling tool with and drilling method.
For realizing the object of the invention, the technical scheme of employing is: provide a kind of coal bed gas horizon mining hole laser orientation to creep into drilling tool, comprise laser beam emitting head and deflection control assembly thereof, deflection execution unit and circuit part;
Described laser beam emitting head adopts the LLK-HP model in HIGHYAG series of products;
Described laser beam emitting head deflection control assembly comprises drilling rod union, transition pipe joint, control section connector C, bearing cover A, fiber optic loop A, bearing and in connecting, encircles ring BB and collecting ring in CA, battery case, circuit board supporting base, bearing connection, described drilling rod union is with drilling rod with being threaded, and drilling rod union and transition pipe joint, shell connecting ring E, shell A, shell connecting ring A, shell B, shell connecting ring B and shell C adopt screw thread to be linked in sequence; In described control section connector C is connected with bearing, in ring CA, control section chassis A, control section rotating ring, control section chassis B, bearing connection outer shroud BB, collecting ring fixed connecting piece, control section connector A and bearing connection, ring CB also adopts screw thread to be linked in sequence; It is upper that described bearing cover A is fixed on control section connector C, and fiber optic loop A is installed in bearing cover A, and seal with O type circle; Described fiber optic loop A fixes optical fiber, and control section connector C adopts bearing BA to be connected with fiber optic loop A, and hole is arranged in control section connector C with end ring A, fixes fiber optic loop A; In described bearing connects, ring CA is connected with bearing CA with shell connecting ring A; Described battery case is fixed between control section chassis A and control section chassis B, and weighting block is fixed on control section rotating ring; Described circuit board supporting base is fixed between control section chassis A and control section chassis B, and circuit board supporting base is fixed on circuit board, and circuit board pillar is arranged between circuit board supporting base and circuit board; In described bearing connects, ring BB fixes optical fiber, and the interior ring of bearing connection BB is connected outer shroud BB bearing BB and connects with bearing, and hole is installed on bearing with end ring B and hole end ring C and is connected in outer shroud BB, for rigid bearing BB; Described collecting ring is installed in collecting ring fixed connecting piece, and collecting ring is fixed with taper bolt, and in bearing connects, ring CB is connected with bearing CB with shell connecting ring B, and joint ring A is installed between shell connecting ring B and shell connecting ring C; Described laser beam emitting head deflection execution unit comprises described shell connecting ring C, shell D, internal gear, stepper motor and fiber connector fixture, described shell connecting ring C and shell D, shell connecting ring D and drill bit apical ring screw thread are linked in sequence, and described internal gear, internal gear connector, bearing connects outer shroud CC, stepper motor connecting base plate B, laser instrument partial rotation ring encircles CC in being connected with bearing and also adopts screw thread to be linked in sequence; Described stepper motor is provided with stepper motor A and stepper motor B, stepper motor A is screwed and within bearing connects, encircles on CB, stepper motor A is connected with shaft coupling A with gear shaft, gear shaft and internal gear engaged transmission, bearing connects outer shroud CC and is connected with bearing CC with shell connecting ring C, the synchronous connector of collecting ring is fixed on internal gear connector, and be connected with collecting ring, synchronize and rotate with internal gear with guarantee collecting ring rotor, drill bit top seal ring is arranged between shell connecting ring D and drill bit apical ring; It is upper that stepper motor B is fixed on stepper motor connecting base plate B, and stepper motor B is connected with shaft coupling B with camshaft; Described fiber connector fixture is provided with fiber connector fixture A, fiber connector fixture B, fiber connector fixture C and fiber connector fixture D, wherein fiber connector fixture A and fiber connector fixture B are fixed on one end of laser beam emitting head, motion bar is fixed on fiber connector fixture B, and be inserted in the groove of camshaft, joint ring B is installed between stepper motor connecting base plate B and shell connecting ring D, and in shell connecting ring D is connected with bearing, ring CC connects with bearing CD; Described fiber connector fixture D is fixed on the other end of laser beam emitting head, fiber connector fixture D is connected with bearing A with the little axle of rotation, rotating little axle is installed in fiber connector fixture C, hubcap is fixed on fiber connector fixture C, it is upper that bearing cover B is fixed on fiber connector fixture D, and fiber connector fixture C is fixed on laser instrument partial rotation ring;
Described circuit part is arranged on circuit board, comprises control circuit, drilling tool state detection circuit, drilling depth signal receiving circuit, stepper motor driving circuit, electric quantity detecting circuit and power supply stabilization circuit.
Stepper motor A described in the present invention selects model 35BY48B04 four phase step motor; Stepper motor B selects model 4,2BY,48H,J75 tetra-phase decelerating step motor.
Control circuit described in the present invention is provided with a microcontroller circuit, and connects respectively drilling tool state detection circuit, drilling depth signal receiving circuit, stepper motor driving circuit, electric quantity detecting circuit and power supply stabilization circuit by microcontroller circuit;
In described microcontroller circuit, adopt MSP430F149 single-chip microcomputer, also be provided with switch S 1, oscillator Y1 and oscillator Y2, wherein switch S 1 is reset key, low-speed clock in MSP430F149 is to be made up of LFXT1 oscillator Y1, mode of operation is 32768Hz low frequency mode, and Y1 is connected with microprocessor by two pins of microprocessor XIN and XOUT, and high-frequency clock is to be made up of XT2 oscillator Y2, operating frequency 8MHz, is connected with microprocessor with XT2OUT pin by XT2IN;
Described drilling tool state detection circuit is provided with ZCC212N-TTL electronic compass and SCA60C obliquity sensor, and drilling tool state detection circuit is for detection of drill bit inclination angle and azimuth;
Described drilling depth signal receiving circuit is provided with MAX3232 chip, the 10th pin T2IN, the 9th pin R2OUT of MAX3232 chip is connected with the 32nd pin P3.4, the 33rd pin P3.5 of microprocessor respectively, it receives the ground drilling depth signal of collecting in microprocessor and processes as serial ports receiving circuit;
Described stepper motor driving circuit drives respectively two stepper motors by two identical drive circuits, and circuit adopts TLP521-4 and L298N chip;
Described electric quantity detecting circuit is provided with LM339 chip, for detection of electric quantity of power supply;
Described power supply stabilization circuit adopts chip 7805, with chip 1117, voltage voltage stabilizing is become to 3.3V, adopts chip 7812 and chip 7805 that voltage is distinguished to voltage stabilizing at 12V and 5V.
The present invention also provides the coal bed gas horizon mining hole laser orientation described in a kind of application to creep into the drilling method of drilling tool, and concrete operation step is as follows:
(1) be ready to described coal bed gas horizon mining hole laser orientation and creep into drilling tool, be ready to the drilling rod supporting with drilling tool simultaneously, described drilling rod is on drilling rod shell, to be provided with one every 5m to thicken iron hoop;
(2) drilling tool is transferred to the position that coal petrography needs drilling well, while starting to creep into, opened secondary air pump, allow secondary air that landwaste is taken away while creeping into;
(3) while creeping into, pass through HMC1021Z type magnetoresistive transducer by depth signal receiving circuit, detect the magnetic resistance that thickens iron hoop being provided with every 5m at drilling rod shell, judge whether to creep into 5m, calculate drilling depth, after magnetoresistance signal detects, by connecting hardware circuits which process signal on the ground, signal is exported by 232-485 converter, through drilling rod inside, then by 485-232 converter, output on the hardware circuit in drill bit top place drilling tool; Often creep into the 5m degree of depth, when microprocessor receives the start pulse signal of drilling tool bottom, prompting drilling depth increases 5m; Microprocessor control electronic compass and obliquity sensor are collected azimuth simultaneously, angle of slope signal is processed, and judge whether consistent with the value of setting;
(4) when microprocessor monitors is to creeping into actual path and setting track when inconsistent, microprocessor is adjusted stepper motor A, internal gear rotation, drives whole laser beam emitting head rotation, arrives assigned address, then, microprocessor is adjusted stepper motor B, and cam rotation, drives laser beam emitting head deflection, arrive assigned address, until drill bit deflection completes;
(5) complete after drill bit deflection, microprocessor is adjusted stepper motor B, and cam rotates to initial position, then, microprocessor is adjusted stepper motor A again, and internal gear rotates to initial position, wait for that the inconsistent signal of actual path and desired trajectory occurs, so circulation is adjusted, until creep into end.
Coal bed gas horizon mining of the present invention hole laser orientation creeps into drilling tool and drilling method tool has the following advantages:
(1) drill bit consumes little.Mechanical type bit wear is larger, and the present invention adopts contactless broken rock mode to creep into, and can effectively reduce drill bit consumption.
(2) it is good to control to performance.In method of the present invention, as requested, every 5m or shorter, actual drilling track and preset value are compared to correction, correction is more accurate like this, and control is to more accurate.
(3) drilling efficiency is high.Drilling tool of the present invention and drilling method thereof use to be proved, laser drill drilling efficiency is 10～100 times of common mechanical type drilling efficiency.
Brief description of the drawings
Fig. 1 is the overall structure schematic diagram that coal bed gas horizon mining of the present invention hole laser orientation creeps into drilling tool.
Fig. 2 is that the A-A of Fig. 1 is to cross section structure schematic diagram.
Fig. 3 is the depth signal receiving circuit figure of the present invention's control circuit that drilling tool is crept into.
Fig. 4 be the present invention drilling tool is crept into drilling depth signal detection with transmission schematic diagram.
Fig. 5 is the microcontroller circuit figure adopting in the present invention.
Fig. 6 is the electronic compass circuit diagram of control circuit in the present invention.
Fig. 7 is the obliquity sensor circuit diagram of control circuit in the present invention.
Fig. 8 is Driving Stepping Motor A drive circuit figure in the present invention.
Fig. 9 is Driving Stepping Motor B drive circuit figure in the present invention.
Figure 10 is electric quantity detecting circuit in the present invention.
Figure 11 is 3.3V mu balanced circuit figure in the present invention.
Figure 12 is 12V and 5V mu balanced circuit figure in the present invention.
In above-mentioned figure: 1-drilling rod union; 2-transition pipe joint; 3-O type circle; 4-bearing cover A; 5-bearing BA; 6-uses in hole end ring A; 7-fiber optic loop A; Ring CA in 8-bearing connects; 9-control section chassis A; 10-weighting block; 11-circuit board supporting base; 12-circuit board; 13-circuit board pillar; 14-uses in hole end ring B; 15-bearing BB; 16-bearing connects outer shroud BB; 17-collecting ring; 18-control section connector A; Ring CB in 19-bearing connects; 20-stepper motor A; 21-shaft coupling A; 22-gear shaft; 23-internal gear; 24-shell connecting ring C; 25-shell D; 26-optical fiber; 27-fiber connector fixture A; 28-laser instrument partial rotation ring; 29-joint ring B; 30-laser beam emitting head; Ring CC in 31-bearing connects; 32-bearing CD; 33-drill bit apical ring; 34-drill bit top seal ring; 35-shell connecting ring D; 36-fiber connector fixture C; 37-fiber connector fixture B; 38-motion bar; 39-camshaft; 40-shaft coupling B; 41-stepper motor B; 42-stepper motor connecting base plate B; 43-bearing CC; 44-bearing connects outer shroud CC; 45-internal gear connector; 46-shell C; 47-joint ring A; 48-shell connecting ring B; 49-bearing CB; The synchronous connector of 50-collecting ring; 51-collecting ring fixed connecting piece; 52-taper bolt; 53-uses in hole end ring C; 54-control section chassis B; Ring BB in 55-bearing connects; 56-shell B; 57-control section rotating ring; 58-battery case; 59-bearing CA; 60-shell connecting ring A; 61-shell A; 62-control section connector C; 63-shell connecting ring E; 64-bearing cover B; 65-fiber connector fixture D; 66-hubcap; 67-rotates little axle; 68-bearing A.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
Embodiment 1: the structure that a kind of coal bed gas horizon mining of the present invention hole laser orientation creeps into drilling tool as shown in Figure 1, 2, drilling tool comprises laser beam emitting head and deflection control assembly, deflection execution unit and circuit part, and laser beam emitting head adopts the LLK-HP model in HIGHYAG series of products.
Described laser beam emitting head deflection control assembly comprises drilling rod union 1, transition pipe joint 2, bearing cover A4, fiber optic loop A7, ring CA8 in bearing connects, battery case 58, circuit board supporting base 11, ring BB55 and collecting ring 17 in bearing connects, described drilling rod union 1 with drilling rod with being threaded, drilling rod union 1, transition pipe joint 2, shell connecting ring E63, shell A61, shell connecting ring A60, shell B56, shell connecting ring B48 and shell C46 adopt screw thread to be linked in sequence, control section connector C62, ring CA8 in bearing connects, control section chassis A9, control section rotating ring 57, control section chassis B54, bearing connects outer shroud BB16, collecting ring fixed connecting piece 51, in control section connector A18 is connected with bearing, ring CB19 also adopts screw thread to be linked in sequence, bearing cover A4 is connected with screw with control section connector C62, fiber optic loop A7 is installed in bearing cover A4, and seal with O type circle 3, fiber optic loop A7 fixes optical fiber 26, control section connector C62 adopts bearing BA5 to be connected with fiber optic loop A7, hole is arranged in control section connector C62 with end ring A6, fix fiber optic loop A7, in bearing connects, ring CA8 is connected with bearing CA59 with shell connecting ring A60, weighting block 10 is connected with control section rotating ring 57 screws, battery case 58 is connected with control section chassis A9 screw, battery case 58 is connected with control section chassis B54 screw, circuit board supporting base 11 is connected with control section chassis A9 bolt, circuit board supporting base 11 is connected with control section chassis B54 bolt, circuit board supporting base 11 is connected with circuit board 12 bolts, circuit board pillar 13 is arranged on circuit board supporting base 11 and circuit board 12 bolts, fixed fiber 26 in ring BB55 in bearing connects, in bearing connects, ring BB55 is connected outer shroud BB16 bearing BB15 connection with bearing, hole is installed on bearing with end ring B14 and hole end ring C53 and is connected in outer shroud BB16, for rigid bearing BB15, collecting ring 17 is installed on collecting ring fixed connecting piece 51, collecting ring 17 use taper bolts 52 are fixing, in bearing connects, ring CB19 is connected with bearing CB49 with shell connecting ring B48, joint ring A47 is installed between shell connecting ring B48 and shell connecting ring C24.
Described laser beam emitting head deflection execution unit comprises described shell connecting ring C24, shell D25, internal gear 23, stepper motor A20, stepper motor B41, fiber connector fixture A27, fiber connector fixture B37, fiber connector fixture C36 and fiber connector fixture D65, described shell connecting ring C24 and shell D25, shell connecting ring D35, drill bit apical ring 33 screw threads are linked in sequence, internal gear 23, internal gear connector 45, bearing connects outer shroud CC44, stepper motor connecting base plate B42, in laser instrument partial rotation ring 28 is connected with bearing, ring CC31 also adopts screw thread to be linked in sequence, stepper motor A20 is screwed and within bearing connects, encircles on CB19, stepper motor A20 is connected with gear shaft 22 use shaft coupling A21, gear shaft 22 and internal gear 23 engaged transmission, bearing connects outer shroud CC44 and is connected with bearing CC43 with shell connecting ring C24, the synchronous connector 50 of collecting ring is screwed on internal gear connector 45, the synchronous connector 50 of collecting ring is inserted in collecting ring 17 grooves, synchronize rotation with internal gear 23 to ensure collecting ring rotor, drill bit top seal ring 34 is arranged between shell connecting ring D35 and drill bit apical ring 33, stepper motor B41 adopts screw to be fixed on stepper motor connecting base plate B42, stepper motor B41 is connected with camshaft 39 use shaft coupling B40, fiber connector fixture A27 and fiber connector fixture B37 adopt bolt to be fixed on laser beam emitting head 30, motion bar 38 use rivets are fixed on fiber connector fixture B37, and be inserted in the groove of camshaft 39, joint ring B29 is installed between stepper motor connecting base plate B42 and shell connecting ring D35, in shell connecting ring D35 is connected with bearing, ring CC31 connects with bearing CD32, on laser beam emitting head 30, there is double-screw bolt, fiber connector fixture D65 is fixed on laser beam emitting head 30 with nut, fiber connector fixture D65 is connected with the little axle 67 use bearing A68 of rotation, rotating little axle 67 is installed in fiber connector fixture C36, hubcap 66 is screwed on fiber connector fixture C36, bearing cover B64 is fixed on fiber connector fixture D65 with bolt, fiber connector fixture C36 is screwed on laser instrument partial rotation ring 28.
Described circuit part is arranged on circuit board, comprises control circuit, drilling tool state detection circuit, drilling depth signal receiving circuit, stepper motor driving circuit, electric quantity detecting circuit and power supply stabilization circuit.
In the present invention, stepper motor A selects model 35BY48B04 four phase step motor; Stepper motor B selects model 4,2BY,48H,J75 tetra-phase decelerating step motor.
Control circuit in the present invention is provided with a microcontroller circuit, and connects respectively drilling tool state detection circuit, drilling depth signal receiving circuit, stepper motor driving circuit, electric quantity detecting circuit and power supply stabilization circuit by microcontroller circuit.
Referring to Fig. 3, described drilling depth signal receiving circuit of the present invention is provided with HMC1021Z type magnetoresistive transducer collection signal, adopt 485-232 as converter serial ports receiving circuit, adopt MAX3232 chip that the ground drilling depth signal of collecting is received in microprocessor and processed.The 10th pin T2IN of described MAX3232 chip, the 9th pin R2OUT respectively with the 32nd pin P3.4 of microprocessor, the 33rd pin P3.5 connects, the 5th pin ground connection of MAX3232 chip the 15th pin GND and interface DB9, MAX3232 chip the 7th pin T2OUT, the 8th pin R2IN mouth respectively with interface DB9 the 2nd, 3 pins connect, ground connection after an electric capacity of MAX3232 chip the 6th pin V-series connection, after an electric capacity of the 4th pin C2+ series connection of MAX3232 chip, be connected with the 5th pin C2-, after an electric capacity of MAX3232 chip the 1st pin C1+ series connection, be connected with the 3rd pin C1-, after an electric capacity of the 2nd pin V+ series connection of MAX3232 chip, connect 3.3V power supply, the 16th pin VCC of MAX3232 chip also connects 3.3V power supply.
Drilling depth signal receiving circuit in control circuit of the present invention, as shown in Figure 4.Be provided with one outward every 5m drilling rod and thicken iron hoop, according to the anisotropic magneto-resistive effect of strong magnetic metal, adopt HMC1021Z type magnetoresistive transducer, detect magnetic resistance, judge whether to creep into 5m, calculate thus drilling depth.Because the long distance output of analog quantity there will be serious decay, therefore after magnetoresistance signal detects, connect again on the ground a hardware circuit, after signal is handled well, from the output of 232-485 converter, signal is through drilling rod inside, exported by 485-232 converter again, arrive on the hardware circuit of drill bit top.
Referring to Fig. 5, for microcontroller circuit in control circuit of the present invention, in described microcontroller circuit, adopt MSP430F149 single-chip microcomputer, also be provided with switch S 1, oscillator Y1 and oscillator Y2, wherein switch S 1 is reset key, low-speed clock in MSP430F149 is to be made up of LFXT1 oscillator Y1, mode of operation is 32768Hz low frequency mode, Y1 is connected with microprocessor with the 9th pin XOUT by microprocessor the 8th pin XIN, high-frequency clock is to be made up of XT2 oscillator Y2, operating frequency 8MHz, be connected with microprocessor with the 52nd pin XT2OUT pin by the 53rd pin XT2IN.
Referring to Fig. 6 and Fig. 7, drilling tool state detection circuit of the present invention is provided with ZCC212N-TTL electronic compass and SCA60C obliquity sensor, the 2nd pin TXD, the 1st pin RXD of ZCC212N-TTL is connected with the 34th pin P3.6, the 35th pin P3.7 of microprocessor respectively, and the 7th pin Vout mouth of SCA60C is connected with the 59th pin P6.0 mouth of single-chip microcomputer.
Referring to Fig. 8 and Fig. 9, described stepper motor driving circuit drives two stepper motors by two identical drive circuits, circuit adopts TLP521-4, L298N chip, the 2nd of the TLP521-4 chip of Driving Stepping Motor A20, 4, 6, 8 pins are connected with the 47-44 pin P5.3-P5.0 of single-chip microcomputer respectively, the 2nd of the TLP521-4 chip of Driving Stepping Motor B41, 4, 6, 8 pins are connected with the 43-40 pin P4.7-P4.4 of single-chip microcomputer respectively, the 9th of two TLP521-4 chips, 11, 13, 15 pins respectively with the 12nd of L298N, 10, 7, 5 pin IN4-IN1 connect,
Referring to Figure 10, described electric quantity detecting circuit is provided with LM339 chip, for detection of electric quantity of power supply;
Referring to Figure 11 and Figure 12, described power supply stabilization circuit adopts chip 7805, with chip 1117, voltage voltage stabilizing is become to 3.3V, adopts chip 7812 and chip 7805 that voltage is distinguished to voltage stabilizing at 12V and 5V.
Embodiment 2: a kind of coal bed gas horizon mining hole laser orientation of applying described in the embodiment of the present invention 1 of the present invention creeps into the drilling method of drilling tool, specifically has the following steps:
(1) be ready to described coal bed gas horizon mining hole laser orientation and creep into drilling tool, be ready to the drilling rod supporting with drilling tool simultaneously, described drilling rod is on drilling rod shell, to be provided with one every 5m to thicken iron hoop;
(2) drilling tool is transferred to the position that coal petrography needs drilling well, while starting to creep into, opened secondary air pump, allow secondary air that landwaste is taken away while creeping into;
(3) while creeping into, pass through HMC1021Z type magnetoresistive transducer by depth signal receiving circuit, detection every the set magnetic resistance that thickens iron hoop of 5m, judges whether to creep into 5m at drilling rod shell, calculates drilling depth.After magnetoresistance signal detects, by connecting hardware circuits which process signal on the ground, signal is exported by 232-485 converter, through drilling rod inside, then by 485-232 converter, outputs on the hardware circuit of drill bit top; Often creep into the 5m degree of depth, when microprocessor receives the start pulse signal of drilling tool bottom, prompting drilling depth increases 5m; Microprocessor control electronic compass and obliquity sensor are collected azimuth simultaneously, angle of slope signal is processed, and judge whether consistent with the value of setting;
(4) when microprocessor monitors is to creeping into actual path and setting track when inconsistent, microprocessor is adjusted stepper motor A20 automatically, and internal gear 23 rotates, and drives whole laser beam emitting head 30 to rotate, it is the unitary rotation of internal gear control laser beam emitting head, adjust and arrive after assigned address, microprocessor is adjusted stepper motor B41, cam rotation, drive laser beam emitting head 30 deflections, be the deflection of cam control laser beam emitting head, arrive assigned address, until drill bit deflection completes;
(5) complete after drill bit deflection, microprocessor is adjusted stepper motor B41 automatically, cam rotates to initial position, then, microprocessor is adjusted stepper motor A20 again, and internal gear 23 rotates to initial position, waits for that the inconsistent signal of actual path and desired trajectory occurs, so circulation is adjusted, until creep into end.
Drilling tool of the present invention is through using proof, and drill bit consumes little.Mechanical type bit wear is larger, and the present invention adopts the directional drilling of contactless broken rock mode, effectively reduces drill bit consumption.Adopt drilling tool of the present invention and drilling method by every 5m, actual drilling track and preset value being compared to automatic deviation correction, rectify a deviation more accurate, it is good to performance to control, and control is to more accurate; Simultaneously drilling efficiency is high, and laser drill drilling efficiency is 10～100 times of common mechanical type drilling efficiency.
Claims (4)
1. coal bed gas horizon mining hole laser orientation creeps into a drilling tool, it is characterized in that: comprise laser beam emitting head and deflection control assembly thereof, deflection execution unit and circuit part;
Described laser beam emitting head adopts the LLK-HP model in HIGHYAG series of products;
Described laser beam emitting head deflection control assembly comprises drilling rod union, transition pipe joint, control section connector C, bearing cover A, fiber optic loop A, bearing and in connecting, encircles ring BB and collecting ring in CA, battery case, circuit board supporting base, bearing connection, described drilling rod union is with drilling rod with being threaded, and drilling rod union and transition pipe joint, shell connecting ring E, shell A, shell connecting ring A, shell B, shell connecting ring B and shell C adopt screw thread to be linked in sequence; In described control section connector C is connected with bearing, in ring CA, control section chassis A, control section rotating ring, control section chassis B, bearing connection outer shroud BB, collecting ring fixed connecting piece, control section connector A and bearing connection, ring CB also adopts screw thread to be linked in sequence; It is upper that described bearing cover A is fixed on control section connector C, and fiber optic loop A is installed in bearing cover A, and seal with O type circle; Described fiber optic loop A fixes optical fiber, and control section connector C adopts bearing BA to be connected with fiber optic loop A, and hole is arranged in control section connector C with end ring A, fixes fiber optic loop A; In described bearing connects, ring CA is connected with bearing CA with shell connecting ring A; Described battery case is fixed between control section chassis A and control section chassis B, and weighting block is fixed on control section rotating ring; Described circuit board supporting base is fixed between control section chassis A and control section chassis B, and circuit board supporting base is fixed on circuit board, and circuit board pillar is arranged between circuit board supporting base and circuit board; In described bearing connects, ring BB fixes optical fiber, and the interior ring of bearing connection BB is connected outer shroud BB bearing BB and connects with bearing, and hole is installed on bearing with end ring B and hole end ring C and is connected in outer shroud BB, for rigid bearing BB; Described collecting ring is installed in collecting ring fixed connecting piece, and collecting ring is fixed with taper bolt, and in bearing connects, ring CB is connected with bearing CB with shell connecting ring B, and joint ring A is installed between shell connecting ring B and shell connecting ring C; Described laser beam emitting head deflection execution unit comprises described shell connecting ring C, shell D, internal gear, stepper motor and fiber connector fixture, described shell connecting ring C and shell D, shell connecting ring D and drill bit apical ring screw thread are linked in sequence, and described internal gear, internal gear connector, bearing connects outer shroud CC, stepper motor connecting base plate B, laser instrument partial rotation ring encircles CC in being connected with bearing and also adopts screw thread to be linked in sequence; Described stepper motor is provided with stepper motor A and stepper motor B, stepper motor A is screwed and within bearing connects, encircles on CB, stepper motor A is connected with shaft coupling A with gear shaft, gear shaft and internal gear engaged transmission, bearing connects outer shroud CC and is connected with bearing CC with shell connecting ring C, the synchronous connector of collecting ring is fixed on internal gear connector, and be connected with collecting ring, synchronize and rotate with internal gear with guarantee collecting ring rotor, drill bit top seal ring is arranged between shell connecting ring D and drill bit apical ring; It is upper that stepper motor B is fixed on stepper motor connecting base plate B, and stepper motor B is connected with shaft coupling B with camshaft; Described fiber connector fixture is provided with fiber connector fixture A, fiber connector fixture B, fiber connector fixture C and fiber connector fixture D, wherein fiber connector fixture A and fiber connector fixture B are fixed on one end of laser beam emitting head, motion bar is fixed on fiber connector fixture B, and be inserted in the groove of camshaft, joint ring B is installed between stepper motor connecting base plate B and shell connecting ring D, and in shell connecting ring D is connected with bearing, ring CC connects with bearing CD; Described fiber connector fixture D is fixed on the other end of laser beam emitting head, fiber connector fixture D is connected with bearing A with the little axle of rotation, rotating little axle is installed in fiber connector fixture C, hubcap is fixed on fiber connector fixture C, it is upper that bearing cover B is fixed on fiber connector fixture D, and fiber connector fixture C is fixed on laser instrument partial rotation ring;
Described circuit part is arranged on circuit board, comprises control circuit, drilling tool state detection circuit, drilling depth signal receiving circuit, stepper motor driving circuit, electric quantity detecting circuit and power supply stabilization circuit.
2. a kind of coal bed gas horizon mining according to claim 1 hole laser orientation creeps into drilling tool, it is characterized in that: described stepper motor A selects model 35BY48B04 four phase step motor; Stepper motor B selects model 4,2BY,48H,J75 tetra-phase decelerating step motor.
3. a kind of coal bed gas horizon mining according to claim 1 hole laser orientation creeps into drilling tool, it is characterized in that: described control circuit is provided with a microcontroller circuit, and connect respectively drilling tool state detection circuit, drilling depth signal receiving circuit, stepper motor driving circuit, electric quantity detecting circuit and power supply stabilization circuit by microcontroller circuit;
In described microcontroller circuit, adopt MSP430F149 single-chip microcomputer, also be provided with switch S 1, oscillator Y1 and oscillator Y2, wherein switch S 1 is reset key, low-speed clock in MSP430F149 is to be made up of LFXT1 oscillator Y1, mode of operation is 32768Hz low frequency mode, and Y1 is connected with microprocessor by two pins of microprocessor XIN and XOUT, and high-frequency clock is to be made up of XT2 oscillator Y2, operating frequency 8MHz, is connected with microprocessor with XT2OUT pin by XT2IN;
Described drilling tool state detection circuit is provided with ZCC212N-TTL electronic compass and SCA60C obliquity sensor, and drilling tool state detection circuit is for detection of drill bit inclination angle and azimuth;
Described drilling depth signal receiving circuit is provided with MAX3232 chip, the 10th pin T2IN, the 9th pin R2OUT of MAX3232 chip is connected with the 32nd pin P3.4, the 33rd pin P3.5 of microprocessor respectively, it receives the ground drilling depth signal of collecting in microprocessor and processes as serial ports receiving circuit;
Described stepper motor driving circuit drives respectively two stepper motors by two identical drive circuits, and circuit adopts TLP521-4 and L298N chip;
Described electric quantity detecting circuit is provided with LM339 chip, for detection of electric quantity of power supply;
Described power supply stabilization circuit adopts chip 7805, with chip 1117, voltage voltage stabilizing is become to 3.3V, adopts chip 7812 and chip 7805 that voltage is distinguished to voltage stabilizing at 12V and 5V.
4. the coal bed gas horizon mining hole laser orientation described in application rights requirement 1 creeps into a drilling method for drilling tool, it is characterized in that: concrete operation step is as follows:
(1) be ready to described coal bed gas horizon mining hole laser orientation and creep into drilling tool, be ready to the drilling rod supporting with drilling tool simultaneously, described drilling rod is on drilling rod shell, to be provided with one every 5m to thicken iron hoop;
(2) drilling tool is transferred to the position that coal petrography needs drilling well, while starting to creep into, opened secondary air pump, allow secondary air that landwaste is taken away while creeping into;
(3) while creeping into, pass through HMC1021Z type magnetoresistive transducer by depth signal receiving circuit, detect the magnetic resistance that thickens iron hoop being provided with every 5m at drilling rod shell, judge whether to creep into 5m, calculate drilling depth, after magnetoresistance signal detects, by connecting hardware circuits which process signal on the ground, signal is exported by 232-485 converter, through drilling rod inside, then by 485-232 converter, output on the hardware circuit in drill bit top place drilling tool; Often creep into the 5m degree of depth, when microprocessor receives the start pulse signal of drilling tool bottom, prompting drilling depth increases 5m; Microprocessor control electronic compass and obliquity sensor are collected azimuth simultaneously, angle of slope signal is processed, and judge whether consistent with the value of setting;
(4) when microprocessor monitors is to creeping into actual path and setting track when inconsistent, microprocessor is adjusted stepper motor A, internal gear rotation, drives whole laser beam emitting head rotation, arrives assigned address, then, microprocessor is adjusted stepper motor B, and cam rotation, drives laser beam emitting head deflection, arrive assigned address, until drill bit deflection completes;
(5) complete after drill bit deflection, microprocessor is adjusted stepper motor B, and cam rotates to initial position, then, microprocessor is adjusted stepper motor A again, and internal gear rotates to initial position, wait for that the inconsistent signal of actual path and desired trajectory occurs, so circulation is adjusted, until creep into end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210283476.1A CN102808580B (en) | 2012-08-10 | 2012-08-10 | Laser directional drilling tool for coal-bed-methane level development hole and drilling method using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210283476.1A CN102808580B (en) | 2012-08-10 | 2012-08-10 | Laser directional drilling tool for coal-bed-methane level development hole and drilling method using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102808580A CN102808580A (en) | 2012-12-05 |
| CN102808580B true CN102808580B (en) | 2014-07-30 |
Family
ID=47232434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210283476.1A Expired - Fee Related CN102808580B (en) | 2012-08-10 | 2012-08-10 | Laser directional drilling tool for coal-bed-methane level development hole and drilling method using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102808580B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104712249B (en) * | 2014-12-31 | 2016-08-24 | 中国地质大学（武汉） | The experimental technique of a kind of simulated laser well drilling and rock crushing and experimental provision |
| CN106940962B (en) * | 2017-04-21 | 2023-01-03 | 中国地质大学（武汉） | Multifunctional mechanical principle teaching aid |
| CN108343380B (en) * | 2018-01-23 | 2019-05-21 | 中煤科工集团西安研究院有限公司 | Underground coal mine nearly horizontal drilling directional type spin orientation boring means and method |
| CN110374496B (en) * | 2019-07-16 | 2022-03-15 | 中建三局第一建设工程有限责任公司 | Lava drilling device and tunnel construction method based on lava technology |
| CN110411979B (en) * | 2019-07-30 | 2023-08-29 | 中国地质大学（武汉） | Device and method for measuring concentration of gas generated by laser drilling coal rock |
| CN113374473B (en) * | 2021-07-21 | 2022-12-06 | 四川大学 | Laser-assisted rock breaking device for simulating moon-based environment drilling process |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5156222A (en) * | 1989-11-30 | 1992-10-20 | Baker Hughes Incorporated | Directional drilling tool apparatus and method |
| CN201053294Y (en) * | 2007-04-26 | 2008-04-30 | 倪红坚 | Rotary pushing type guiding drilling tool |
| CN201277027Y (en) * | 2008-09-17 | 2009-07-22 | 上海市电力公司 | Independent orienting locator of horizontal guiding drill |
| CN201635657U (en) * | 2010-04-16 | 2010-11-17 | 张建华 | Downhole drilling tool for intelligent downhole multi-branch horizontal drilling completion system |
| CN201915836U (en) * | 2011-01-17 | 2011-08-03 | 山西巨安电子技术有限公司 | Directional drilling system |
-
2012
- 2012-08-10 CN CN201210283476.1A patent/CN102808580B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5156222A (en) * | 1989-11-30 | 1992-10-20 | Baker Hughes Incorporated | Directional drilling tool apparatus and method |
| CN201053294Y (en) * | 2007-04-26 | 2008-04-30 | 倪红坚 | Rotary pushing type guiding drilling tool |
| CN201277027Y (en) * | 2008-09-17 | 2009-07-22 | 上海市电力公司 | Independent orienting locator of horizontal guiding drill |
| CN201635657U (en) * | 2010-04-16 | 2010-11-17 | 张建华 | Downhole drilling tool for intelligent downhole multi-branch horizontal drilling completion system |
| CN201915836U (en) * | 2011-01-17 | 2011-08-03 | 山西巨安电子技术有限公司 | Directional drilling system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102808580A (en) | 2012-12-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102808580B (en) | Laser directional drilling tool for coal-bed-methane level development hole and drilling method using same | |
| CN105033628A (en) | Intelligent driving type self-rotation electric-control screw | |
| CN100376763C (en) | Strapdown type stable platform apparatus | |
| CN105345743B (en) | Wind driven generator end cover broken bolt dismounting device | |
| CN202325250U (en) | Plastic stratum well drilling tool structure | |
| CN207566348U (en) | Landwaste conveying device | |
| CN206436812U (en) | Quick plus unblock external member | |
| CN103334711B (en) | Automatically controlled down-hole casing window opening tool | |
| CN217056031U (en) | Fixed-charging type hydraulic coupler connecting device | |
| CN107780833A (en) | A kind of rotary steering downhole tool control system | |
| CN206962583U (en) | Permagnetic synchronous motor and elevator door | |
| CN115898272A (en) | Closed loop track control device for flexible power drilling tool | |
| CN105114427A (en) | Intelligent autorotation electric control screw | |
| CN205968274U (en) | Motor shaft end drilling positioning fixture | |
| CN2818759Y (en) | Stabilized linked platform apparatus | |
| CN115450606A (en) | Coal mine underground composite power supply full-working-condition multi-parameter measurement-while-drilling system and method | |
| CN101498414A (en) | Solar field multifunctional utensil | |
| CN207459897U (en) | A kind of fast assembling small machine | |
| CN220505531U (en) | Double-end drill tail screw rod convenient to photovoltaic support installation | |
| CN205917389U (en) | Directly drive formula plastic circular loom | |
| CN209273218U (en) | Diamond grinding device | |
| CN206779509U (en) | A kind of cutter head of shield machine hobboing cutter tenses block alignment pin pin-and-hole scene drilling equipment | |
| CN201650274U (en) | Single-rotor wheel mud continuous-wave generator | |
| CN209578278U (en) | A kind of high intensity drilling machine drill bit connection structure | |
| CN206099860U (en) | Installing support of photovoltaic board |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |