CN111810052A - Coal seam hydraulic reaming drilling tool and reaming process - Google Patents
Coal seam hydraulic reaming drilling tool and reaming process Download PDFInfo
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- CN111810052A CN111810052A CN202010537775.8A CN202010537775A CN111810052A CN 111810052 A CN111810052 A CN 111810052A CN 202010537775 A CN202010537775 A CN 202010537775A CN 111810052 A CN111810052 A CN 111810052A
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- 238000005553 drilling Methods 0.000 title claims abstract description 111
- 239000003245 coal Substances 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 title claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 71
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 25
- 239000010959 steel Substances 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims description 5
- 239000007779 soft material Substances 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 claims description 4
- 239000000284 extract Substances 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 238000000605 extraction Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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Classifications
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- 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/006—Production of coal-bed methane
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
- E21B10/61—Drill bits characterised by conduits or nozzles for drilling fluids characterised by the nozzle structure
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/18—Drilling by liquid or gas jets, with or without entrained pellets
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/28—Enlarging drilled holes, e.g. by counterboring
Abstract
The invention relates to a hydraulic reaming drilling tool for a coal seam, which comprises a drilling tool and a drill rod joint, wherein a hydraulic pump with a hydraulic pump connecting pipe end and a rack is arranged in a casing of the drilling tool, the rack is in transmission connection with a driving gear on a hollow driving gear bearing, the hollow driving gear bearing penetrates through an upper shaft hole of a thick steel plate frame, the outside of the drilling tool is limited and fixed by a nozzle fixing support on the hollow driving gear bearing, the inside of the drilling tool is limited and fixed on the thick steel plate frame by a hollow driving gear bearing positioning piece, the upper shaft hole of the thick steel plate frame is connected with a hollow driving gear bearing pipe end by a sliding bearing, the connecting pipe end of the hydraulic pump is connected with a high-pressure water pipe by a hollow driving gear bearing, the nozzle fixing support on the hollow driving gear bearing is. And when the spring fails, the drill rod is pulled out, so that successive reaming with different radiuses is realized, and the pressure relief area and the extraction range of the gas in the drilled hole are increased.
Description
Technical Field
The invention relates to a coal seam hydraulic reaming tool and a reaming process or method, in particular to a coal seam hydraulic reaming drilling tool and a reaming process.
Background
The hydraulic slotting, hydraulic cave-making and the like in the coal mine are influenced by submerged jet flow and the like, the effective range is smaller, the radius is smaller, the pressure relief range is relatively smaller, and the gas extraction effect is not ideal. The solution is to increase the radius of the hydraulic reaming drilling tool and perform the fractional jet cutting method, thereby effectively improving and enlarging the effective range and cutting range of the water jet, increasing the radius of the hydraulic cutting seam and hydraulic hole making, increasing the pressure relief range of the coal seam and improving the gas extraction effect of the coal seam. But no corresponding coal seam hydraulic reaming tool and reaming process report exists at present.
Disclosure of Invention
The invention aims to provide a coal seam hydraulic reaming drilling tool and a reaming process, which overcome the defects of the prior art, enlarge the gas extraction range of an extraction borehole and increase the pressure relief area.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a coal seam water conservancy reaming drilling tool, includes drilling tool and tool joint, and characteristics lie in: in the shell of the drilling tool, a hydraulic pump with a hydraulic pump connecting pipe end and a rack is connected with a drive gear on a hollow drive gear bearing in a transmission mode, after the hollow drive gear bearing penetrates through an upper shaft hole of a thick steel plate frame, the exterior of the drilling tool is limited and fixed by a nozzle fixing support on the hollow drive gear bearing, the interior of the drilling tool is limited and fixed on the thick steel plate frame by a hollow drive gear bearing positioning piece, the upper shaft hole of the thick steel plate frame is connected with a hollow drive gear bearing sliding bearing, the connecting pipe end of the hydraulic pump is connected with the connecting pipe end of the hollow drive gear bearing by a high-pressure water pipe, the nozzle fixing support on the hollow drive gear bearing is provided with a fixing hole for fixing a nozzle rod driven by a drive gear.
Wherein: after the hollow driven gear bearing passes through the upper shaft hole of the thick steel plate frame, the outer part of the drilling tool is fixed in a limiting way by a nozzle fixing support on the driven gear bearing, the inner part of the drilling tool is fixed on the thick steel plate frame in a limiting way by a hollow driven gear bearing positioning piece, the upper shaft hole of the thick steel plate frame is connected with the hollow driven gear bearing sliding bearing, the connecting pipe end of a hydraulic pump is connected with the connecting pipe end of the hollow driven gear bearing by a high-pressure water pipe, the driving gear is in transmission link with the driven gear, the nozzle fixing support on the hollow driven gear bearing is provided with a fixing hole for fixing a nozzle rod driven by the driven gear, the high-pressure water pipe is connected with the connecting pipe end of the hollow driven gear bearing by a.
Wherein: the nozzle fixing support on the hollow driving gear bearing is provided with a screw hole for fixing the nozzle rod driven by the driving gear, the nozzle fixing support on the hollow driven gear bearing is provided with a screw hole for fixing the nozzle rod driven by the driving gear, the length of the nozzle rod driven by the driving gear can be selected, and the position of the fixing hole for fixing the nozzle rod driven by the driving gear on the nozzle fixing support on the hollow driving gear bearing is higher than that of the nozzle fixing support on the hollow driven gear bearing.
Wherein: the driving gear and the driven gear have the same tooth number module and are meshed with each other, and when chambering at the same time, the length and the radius of the nozzle rod driven by the driving gear and the nozzle rod driven by the driven gear are the same.
Wherein: the nozzle rod driven by the driving gear and the nozzle rod driven by the driving gear are made of metal or rubber soft materials.
The utility model provides a reaming technology of coal seam water conservancy reaming drilling tool, includes and beats a drilling back in the coal seam, uses the drilling machine of the conventional water conservancy reaming drilling tool that has conventional nozzle by high pressure water pump connection drilling machine front end, with the conventional reaming of conventional water conservancy reaming drilling tool water jet, extracts the drilling rod, unloads conventional water conservancy reaming drilling tool, and the characteristics lie in: connecting a drill rod with a coal seam hydraulic reaming tool through a drilling tool and a drill rod joint, fixing a nozzle rod driven by a driving gear with a selected length on a nozzle fixing support on a hollow driving gear bearing, inserting the drill rod with the coal seam hydraulic reaming tool into the bottom of a hole, injecting high-pressure water, pushing a rack forward by the hydraulic pump to drive the driving gear to rotate anticlockwise so that the nozzle rod driven by the driving gear parallel to the coal seam hydraulic reaming tool rotates anticlockwise by 90 degrees, enabling the rack to touch a rack limit stop, simultaneously injecting the high-pressure water into the hollow driving gear bearing from a hydraulic pump connecting end, spraying out the high-pressure water from a nozzle of the nozzle rod driven by the driving gear, gradually pulling out the rotary drill rod from the bottom of the hole to realize reaming of a reaming section, stopping drilling and discharging the high-pressure water after the reaming of the reaming section is finished, retreating the rack under the action of a spring, and enabling the driving, and (3) pulling out the drill rod to complete one-time reaming, detaching the nozzle rod driven by the driving gear from the nozzle fixing bracket on the hollow driving gear bearing, replacing the nozzle rod driven by the driving gear with a longer nozzle rod, and repeating the steps of (1) completing one-time reaming again.
Wherein: and repeating the second step to finish reaming for different times.
Wherein: and (4) pulling out the drill rod after reaming is finished, and when the elastic force of a spring in the hydraulic pump is insufficient, pulling out the drill rod as it is and driving the rack to return to the original position by the driving gear. Without destroying any mechanism.
The utility model provides a reaming technology of coal seam water conservancy reaming drilling tool, includes and beats a drilling back in the coal seam, uses the drilling machine of the conventional water conservancy reaming drilling tool that has conventional nozzle by high pressure water pump connection drilling machine front end, with the conventional reaming of conventional water conservancy reaming drilling tool water jet, extracts the drilling rod, unloads conventional water conservancy reaming drilling tool, and the characteristics lie in: connecting a drill rod with a coal seam hydraulic reaming drilling tool through a drilling tool and a drill rod joint, fixing a nozzle rod driven by a driving gear with a selected length on a nozzle fixing support on a hollow driving gear bearing, fixing the nozzle rod driven by the driving gear with the selected length on a nozzle fixing support on the hollow driven gear bearing, inserting the drill rod with the coal seam hydraulic reaming drilling tool into the bottom of a hole, injecting high-pressure water, driving a rack to drive the driving gear to rotate anticlockwise by the operation of a hydraulic pump, driving the driven gear to rotate clockwise by the driving gear, rotating the nozzle rod driven by the driving gear parallel to the coal seam hydraulic reaming drilling tool anticlockwise by 90 degrees, rotating the nozzle rod driven by the driving gear parallel to the coal seam hydraulic reaming drilling tool clockwise by 90 degrees, enabling the rack to touch a rack limit stop, and simultaneously injecting high-pressure water into the hollow driving gear bearing by, and the high-pressure water is discharged from the nozzle of the nozzle rod driven by the driving gear, the high-pressure water is discharged from the second nozzle of the nozzle rod driven by the driving gear, the rotary drill rod is gradually pulled out from the bottom of the hole to realize reaming of the reaming section, after the reaming of the reaming section is finished, the drilling is stopped and the high-pressure water is discharged, the rack retreats under the action of the spring, the driving gear rotates clockwise to enable the nozzle rod driven by the driving gear to return to the initial position parallel to the coal seam hydraulic reaming drilling tool, the drill rod is pulled out to finish primary reaming, the nozzle rod driven by the driving gear is dismounted from the nozzle fixing bracket on the hollow driving gear bearing, the nozzle rod driven by the driving gear is replaced by the nozzle rod driven by the longer driving gear, and the nozzle rod driven by the driving gear is dismounted from the nozzle fixing bracket on the hollow driven gear bearing, and (4) replacing a longer nozzle rod driven by the driving gear, and repeating the step (c) to complete the reaming again.
Wherein: and fourthly, finishing reaming for different times.
Wherein: and (3) pulling out the drill rod after reaming is finished, and when the elastic force of the spring in the hydraulic pump is insufficient, pulling out the drill rod as it is and driving the rack to return to the position by the driving gear, and driving the driven gear to return to the position by the driving gear. Without destroying any mechanism.
The invention has the beneficial effects that: a coal seam water conservancy reaming drilling tool simple structure is suitable for, and reaming is accomplished and is extracted the drilling rod, and when the spring force in the hydraulic pump was not enough, the drilling rod was extracted as usual and is driven the rack playback by drive gear, and drive gear drives the driven gear playback. Without destroying any mechanism. A reaming process for the hydraulic reaming tool for coal seam features that the length of the nozzle rod driven by drive gear and the length of the nozzle rod driven by drive gear are chosen to realize successive reaming of different radiuses. Effectively improving the gas drainage effect of the coal bed.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic sectional view of a main view of a coal seam hydraulic reaming drilling tool of the invention;
FIG. 2 is a schematic rear view of the coal seam hydraulic reaming tool of the invention;
FIG. 3 is a schematic top view of a coal seam hydraulic reaming tool of the present invention;
FIG. 4 is a schematic cross-sectional view of the structure of FIG. 1A-A according to the present invention;
FIG. 5 is a schematic cross-sectional view of FIGS. 1B-B of the present invention;
FIG. 6 is a schematic diagram of a conventional hydraulic reamer reaming;
FIG. 7 is a schematic diagram of a primary reaming process of a coal seam hydraulic reaming tool;
fig. 8 is a schematic diagram of a secondary reaming process of the coal seam hydraulic reaming tool.
In the figure: 1. thick steel plate frame, 9. nozzle, 20. driving gear, 21. hollow driving gear bearing, 22. hollow driving gear bearing upper nozzle fixing support, 56. high pressure water pipe, 71. drilling tool housing, 79. hollow driven gear bearing connection pipe end, 80. hydraulic pump, 81. spring, 82. hydraulic pump connection pipe end, 90. rack, 91. rack limit stop, 99. driving gear driven nozzle rod, 100. drilling tool and drilling rod joint, 109. second nozzle, 121. hollow driven gear bearing, 210. hollow driving gear bearing positioning piece, 211. hollow driving gear shaft receiving pipe end, 219. hollow driven gear bearing positioning piece, 220. driven gear, 222. hollow driven gear bearing upper nozzle fixing frame, 300. conventional hydraulic expanding drilling tool, 301. conventional expanding hole, 302. water jet, 303. conventional nozzle, 304. drilling rod, 306. drilling hole 307, drilling machine 308, high-pressure water pump 310, primary reaming 320, secondary reaming, 400 coal seam hydraulic reaming tool 999, and nozzle rod driven by driving gear.
Detailed Description
First embodiment
Referring to fig. 1-5, a coal seam hydraulic reaming tool comprises a tool and a drill rod joint 100, and is characterized in that: in the shell 71 of the drilling tool, a hydraulic pump 80 with a hydraulic pump connecting pipe end 82 and a rack 90 is arranged, the rack 90 is in transmission connection with a driving gear 20 on a hollow driving gear bearing 21, after the hollow driving gear bearing 21 passes through a shaft hole on a thick steel plate frame 1, the outer portion of the drilling tool is fixed in a limiting mode through a hollow driving gear bearing upper nozzle fixing support 22, the inner portion of the drilling tool is fixed on a thick steel plate frame 1 in a limiting mode through a hollow driving gear bearing positioning piece 210, an upper shaft hole of the thick steel plate frame 1 is connected with a hollow driving gear bearing 21 in a sliding bearing mode, a hydraulic pump connecting pipe end 82 is connected with a hollow driving gear bearing pipe end 211 through a high-pressure water pipe 56, the hollow driving gear bearing upper nozzle fixing support 22 is provided with a fixing hole for fixing a driving gear driven nozzle rod 99, a spring 81 pulling rack 90 is arranged in a hydraulic pump 80, a rack limiting stop 91 is arranged in a drilling tool shell 71, and.
Wherein: the nozzle bar 99 driven by the drive gear is made of metal or rubber soft material.
Second embodiment
Referring to fig. 1-5, a coal seam hydraulic reaming tool comprises a tool and a drill rod joint 100, and is characterized in that: in the shell 71 of the drilling tool, a hydraulic pump 80 with a hydraulic pump connecting pipe end 82 and a rack 90 is arranged, the rack 90 is in transmission connection with a driving gear 20 on a hollow driving gear bearing 21, after the hollow driving gear bearing 21 passes through a shaft hole on a thick steel plate frame 1, the outer portion of the drilling tool is fixed in a limiting mode through a hollow driving gear bearing upper nozzle fixing support 22, the inner portion of the drilling tool is fixed on a thick steel plate frame 1 in a limiting mode through a hollow driving gear bearing positioning piece 210, an upper shaft hole of the thick steel plate frame 1 is connected with a hollow driving gear bearing 21 in a sliding bearing mode, a hydraulic pump connecting pipe end 82 is connected with a hollow driving gear bearing pipe end 211 through a high-pressure water pipe 56, the hollow driving gear bearing upper nozzle fixing support 22 is provided with a fixing hole for fixing a driving gear driven nozzle rod 99, a spring 81 pulling rack 90 is arranged in a hydraulic pump 80, a rack limiting stop 91 is arranged in a drilling tool shell 71, and.
Wherein: after the hollow driven gear bearing 121 penetrates through the upper shaft hole of the thick steel plate frame 1, the exterior of the drilling tool is limited and fixed by a nozzle fixing support 222 on the hollow driven gear bearing, the interior of the drilling tool is limited and fixed on the thick steel plate frame 1 by a hollow driven gear bearing positioning piece 219, the upper shaft hole of the thick steel plate frame 1 is connected with the hollow driven gear bearing 121 in a sliding manner, a hydraulic pump connecting pipe end 82 is connected with a hollow driven gear bearing connecting pipe end 79 by a high-pressure water pipe 56, the driving gear 20 is in transmission link with a driven gear 220, the nozzle fixing support 222 on the hollow driven gear bearing is provided with a fixing hole for fixing a nozzle rod 999 driven by the driven gear, the high-pressure water pipe 56 is connected with a hollow driving gear bearing connecting pipe end 211 by a ball valve structural member, and the high-pressure.
Wherein: the nozzle fixing bracket 22 on the hollow driving gear bearing is provided with a screw hole for fixing the nozzle rod 99 driven by the driving gear, the nozzle fixing bracket 222 on the hollow driven gear bearing is provided with a screw hole for fixing the nozzle rod 999 driven by the driving gear, the length of the nozzle rod 99 driven by the driving gear can be selected, the length of the nozzle rod 999 driven by the driving gear can be selected, and the position of the fixing hole of the nozzle fixing bracket 22 on the hollow driving gear bearing for fixing the nozzle rod 99 driven by the driving gear is higher than that of the nozzle fixing bracket 222 on the hollow driven gear bearing.
Wherein: the driving gear 20 and the driven gear 220 have the same module of teeth and are meshed with each other, and when chambering at the same time, the length and the radius of the nozzle rod 99 driven by the driving gear and the nozzle rod 999 driven by the driven gear are the same.
Wherein: the nozzle lever 99 driven by the driving gear and the nozzle lever 999 driven by the driving gear are made of a metal or rubber soft material.
Third embodiment
Referring to fig. 1-8, a reaming process for a coal seam hydraulic reaming tool comprises the steps of using a drilling machine 307 of a conventional hydraulic reaming tool 300 with a conventional nozzle 303 connected to the front end of the drilling machine 307 by a high-pressure water pump 308 after drilling a drilling hole 306 in a coal seam, conventionally reaming 301 (generally with a reaming radius of 0.3 m) by using a water jet 302 of the conventional hydraulic reaming tool 300, pulling out a drill rod 304, and unloading the conventional hydraulic reaming tool 300, and is characterized in that: connecting a drill rod 304 with a coal seam hydraulic reaming tool 400 through a drilling tool and a drill rod joint 100, fixing a nozzle rod 99 driven by a driving gear with a selected length on a nozzle fixing bracket 22 on a hollow driving gear bearing, inserting the drill rod 304 with the coal seam hydraulic reaming tool 400 into the bottom of a hole, injecting high-pressure water, enabling a hydraulic pump 80 to work to push a rack 90 to drive a driving gear 20 to rotate anticlockwise so that the nozzle rod 99 driven by the driving gear parallel to the coal seam hydraulic reaming tool rotates 90 degrees anticlockwise, enabling the rack 90 to touch a rack limiting stop 91, simultaneously injecting high-pressure water into a hollow driving gear bearing 21 from a hydraulic pump connecting pipe end 82, spraying the high-pressure water from a nozzle 9 of the nozzle rod 99 driven by the driving gear, gradually pulling out the drill rod from the bottom of the hole to realize reaming of a reaming section, stopping drilling and unloading the high-pressure water after the reaming of the reaming section is finished, the driving gear 20 rotates clockwise to enable the nozzle rod 99 driven by the driving gear to return to the initial position parallel to the coalbed hydraulic reaming drill, the drill rod 304 is pulled out, primary reaming 310 is completed, the nozzle rod 99 driven by the driving gear is dismounted from the nozzle fixing support 22 on the hollow driving gear bearing, the nozzle rod 99 driven by the driving gear is replaced by a longer nozzle rod 99 driven by the driving gear, and the operation of repeating the step (i) to complete the primary reaming 320 again is completed.
Wherein: and repeating the second step to finish reaming for different times.
Wherein: and when the drill rod is pulled out after reaming is finished, when the elasticity of the spring 81 in the hydraulic pump 80 is insufficient, the drill rod is pulled out as is and the rack 90 is driven to return to the original position by the driving gear 20. Without destroying any mechanism.
Fourth embodiment
Referring to fig. 1-8, a reaming process for a coal seam hydraulic reaming tool comprises the steps of using a drilling machine 307 of a conventional hydraulic reaming tool 300 with a conventional nozzle 303 connected to the front end of the drilling machine 307 by a high-pressure water pump 308 after drilling a drilling hole 306 in a coal seam, conventionally reaming 301 (generally with a reaming radius of 0.3 m) by using a water jet 302 of the conventional hydraulic reaming tool 300, pulling out a drill rod 304, and unloading the conventional hydraulic reaming tool 300, and is characterized in that: connecting a drill rod 304 with a coal seam hydraulic reaming tool 400 through a drilling tool and a drill rod joint 100, fixing a nozzle rod 99 driven by a driving gear with a selected length on a nozzle fixing support 22 on a hollow driving gear bearing, fixing a nozzle rod 999 driven by the driving gear with the selected length on a nozzle fixing support 222 on the hollow driven gear bearing, inserting the drill rod 304 with the coal seam hydraulic reaming tool 400 into the bottom of a hole, injecting high-pressure water, driving a rack 90 to drive the driving gear 20 to rotate anticlockwise by the operation of a hydraulic pump 80, driving the driven gear 220 to rotate clockwise by the driving gear 20, rotating the nozzle rod 99 driven by the driving gear parallel to the coal seam hydraulic reaming tool 400 anticlockwise by 90 degrees, rotating the nozzle rod 999 driven by the driving gear parallel to the coal seam hydraulic reaming tool 400 clockwise by 90 degrees, contacting the rack 90 with a rack limit stop 91, and injecting the high-pressure water into the hollow driving gear bearing 21 from a hydraulic pump joint end 82, and is sprayed out from the nozzle 9 of the nozzle rod 99 driven by the driving gear, and is sprayed out from the second nozzle 109 of the nozzle rod 999 driven by the driving gear, the rotary drill rod is gradually pulled out from the bottom of the hole to realize reaming of the reaming section, after reaming of the reaming section is finished, the drill is stopped and high-pressure water is discharged, under the action of the spring 81, the rack 90 is retreated, the driving gear 20 rotates clockwise to enable the nozzle rod 99 driven by the driving gear to return to the initial position parallel to the coal seam hydraulic reaming drilling tool 400, the driving gear 220 rotates anticlockwise to enable the nozzle rod 999 driven by the driving gear to return to the initial position parallel to the coal seam hydraulic reaming drilling tool 400, the drill rod 304 is pulled out to finish primary reaming 310, the nozzle rod 99 driven by the driving gear is dismounted from the nozzle fixing bracket 22 on the hollow driving gear bearing, the nozzle rod 99 driven by the longer driving gear is replaced, the nozzle rod 999 driven by the driving gear is dismounted from the nozzle fixing bracket 222 on, this is repeated with the longer nozzle rod 999 being driven by the drive gear to complete another reaming 320.
Wherein: and fourthly, finishing reaming for different times.
Wherein: and (3) after reaming is finished, pulling out the drill rod, and when the elasticity of the spring 81 in the hydraulic pump 80 is insufficient, pulling out the drill rod as it is, driving the rack 90 to return to the position by the driving gear 20, and driving the driven gear 220 to return to the position by the driving gear 20. Without destroying any mechanism.
Claims (12)
1. The utility model provides a coal seam water conservancy reaming drilling tool, includes drilling tool and tool joint, characterized in that: in the shell of the drilling tool, a hydraulic pump with a hydraulic pump connecting pipe end and a rack is connected with a drive gear on a hollow drive gear bearing in a transmission mode, after the hollow drive gear bearing penetrates through an upper shaft hole of a thick steel plate frame, the exterior of the drilling tool is limited and fixed by a nozzle fixing support on the hollow drive gear bearing, the interior of the drilling tool is limited and fixed on the thick steel plate frame by a hollow drive gear bearing positioning piece, the upper shaft hole of the thick steel plate frame is connected with a hollow drive gear bearing sliding bearing, the connecting pipe end of the hydraulic pump is connected with the connecting pipe end of the hollow drive gear bearing by a high-pressure water pipe, the nozzle fixing support on the hollow drive gear bearing is provided with a fixing hole for fixing a nozzle rod driven by a drive gear.
2. The coal seam hydraulic reaming drilling tool as claimed in claim 1, wherein: after the hollow driven gear bearing passes through the upper shaft hole of the thick steel plate frame, the outside hollow driven gear bearing upper nozzle fixing support of the drilling tool is fixed in a limiting way, the inside hollow driven gear bearing locating piece of the drilling tool is fixed on the thick steel plate frame in a limiting way, the upper shaft hole of the thick steel plate frame is connected with the hollow driven gear bearing sliding bearing, the end of a hydraulic pump connecting pipe is connected with the hollow driven gear bearing connecting pipe end through a high-pressure water pipe, the driving gear is connected with the driven gear in a transmission way, the hollow driven gear bearing upper nozzle fixing support is provided with a fixing hole for fixing a nozzle rod driven by the driven gear, the high-pressure water pipe is connected with the hollow driven gear bearing connecting pipe end through a ball valve structural part, and the high-pressure.
3. The coal seam hydraulic reaming drilling tool as claimed in claim 2, wherein: the nozzle fixing support on the hollow driving gear bearing is provided with a fixing hole for fixing the nozzle rod driven by the driving gear, the nozzle fixing support on the hollow driven gear bearing is provided with a fixing hole for fixing the nozzle rod driven by the driving gear, the nozzle rod driven by the driving gear can be selected in length, and the position of the fixing hole for fixing the nozzle rod driven by the driving gear on the nozzle fixing support on the hollow driving gear bearing is higher than that of the nozzle fixing frame on the hollow driven gear bearing.
4. The coal seam hydraulic reaming drilling tool as claimed in claim 3, wherein: the driving gear and the driven gear have the same tooth number module and are meshed with each other, and the length and the radius of the nozzle rod driven by the driving gear and the length and the radius of the nozzle rod driven by the driven gear are the same when chambering for the same time.
5. A coal seam hydraulic reaming tool according to any one of claims 2 to 4, characterized in that: the nozzle rod driven by the driving gear and the nozzle rod driven by the driving gear are made of metal or rubber soft materials.
6. A coal seam hydraulic reaming tool according to claim 1, characterized in that: the nozzle rod driven by the driving gear is made of metal or rubber soft materials.
7. The utility model provides a reaming technology of coal seam water conservancy reaming drilling tool, includes and beats a drilling back in the coal seam, uses the drilling machine of the conventional water conservancy reaming drilling tool that has conventional nozzle by high pressure water pump connection drilling machine front end, with the conventional reaming of conventional water conservancy reaming drilling tool water jet, extracts the drilling rod, lift off conventional water conservancy reaming drilling tool, characterized in that: connecting a drill rod with a coal seam hydraulic reaming tool through a drilling tool and a drill rod joint, fixing a nozzle rod driven by a driving gear with a selected length on a nozzle fixing support on a hollow driving gear bearing, inserting the drill rod with the coal seam hydraulic reaming tool into the bottom of a hole, injecting high-pressure water, pushing a rack forward by the hydraulic pump to drive the driving gear to rotate anticlockwise so that the nozzle rod driven by the driving gear parallel to the coal seam hydraulic reaming tool rotates anticlockwise by 90 degrees, enabling the rack to touch a rack limit stop, simultaneously injecting the high-pressure water into the hollow driving gear bearing from a hydraulic pump connecting end, spraying out the high-pressure water from a nozzle of the nozzle rod driven by the driving gear, gradually pulling out the rotary drill rod from the bottom of the hole to realize reaming of a reaming section, stopping drilling and discharging the high-pressure water after the reaming of the reaming section is finished, retreating the rack under the action of a spring, and enabling the driving, and (3) pulling out the drill rod to complete one-time reaming, detaching the nozzle rod driven by the driving gear from the nozzle fixing bracket on the hollow driving gear bearing, replacing the nozzle rod driven by the driving gear with a longer nozzle rod, and repeating the steps of (1) completing one-time reaming again.
8. The reaming process of the coal seam hydraulic reaming drill tool according to claim 7, wherein the reaming process comprises the following steps: and repeating the second step to finish reaming for different times.
9. The reaming process of the coal seam hydraulic reaming tool according to claim 7 or 8, wherein the reaming process comprises the following steps: and (4) pulling out the drill rod after reaming is finished, and when the elastic force of a spring in the hydraulic pump is insufficient, pulling out the drill rod as it is and driving the rack to return to the original position by the driving gear.
10. The utility model provides a reaming technology of coal seam water conservancy reaming drilling tool, includes and beats a drilling back in the coal seam, uses the drilling machine of the conventional water conservancy reaming drilling tool that has conventional nozzle by high pressure water pump connection drilling machine front end, with the conventional reaming of conventional water conservancy reaming drilling tool water jet, extracts the drilling rod, lift off conventional water conservancy reaming drilling tool, characterized in that: connecting a drill rod with a coal seam hydraulic reaming drilling tool through a drilling tool and a drill rod joint, fixing a nozzle rod driven by a driving gear with a selected length on a nozzle fixing support on a hollow driving gear bearing, fixing the nozzle rod driven by the driving gear with the selected length on a nozzle fixing support on the hollow driven gear bearing, inserting the drill rod with the coal seam hydraulic reaming drilling tool into the bottom of a hole, injecting high-pressure water, driving a rack to drive the driving gear to rotate anticlockwise by the operation of a hydraulic pump, driving the driven gear to rotate clockwise by the driving gear, rotating the nozzle rod driven by the driving gear parallel to the coal seam hydraulic reaming drilling tool anticlockwise by 90 degrees, rotating the nozzle rod driven by the driving gear parallel to the coal seam hydraulic reaming drilling tool clockwise by 90 degrees, enabling the rack to touch a rack limit stop, and simultaneously injecting high-pressure water into the hollow driving gear bearing by, and the high-pressure water is discharged from the nozzle of the nozzle rod driven by the driving gear, the high-pressure water is discharged from the second nozzle of the nozzle rod driven by the driving gear, the rotary drill rod is gradually pulled out from the bottom of the hole to realize reaming of the reaming section, after the reaming of the reaming section is finished, the drilling is stopped and the high-pressure water is discharged, the rack retreats under the action of the spring, the driving gear rotates clockwise to enable the nozzle rod driven by the driving gear to return to the initial position parallel to the coal seam hydraulic reaming drilling tool, the drill rod is pulled out to finish primary reaming, the nozzle rod driven by the driving gear is dismounted from the nozzle fixing bracket on the hollow driving gear bearing, the nozzle rod driven by the driving gear is replaced by the nozzle rod driven by the longer driving gear, and the nozzle rod driven by the driving gear is dismounted from the nozzle fixing bracket on the hollow driven gear bearing, and (4) replacing a longer nozzle rod driven by the driving gear, and repeating the step (c) to complete the reaming again.
11. The reaming process of the coal seam hydraulic reaming drill tool according to claim 10, wherein: and fourthly, finishing reaming for different times.
12. The reaming process of the coal seam hydraulic reaming tool according to claim 10 or 11, wherein the reaming process comprises the following steps: and (3) pulling out the drill rod after reaming is finished, and when the elastic force of the spring in the hydraulic pump is insufficient, pulling out the drill rod as it is and driving the rack to return to the position by the driving gear, and driving the driven gear to return to the position by the driving gear.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08128293A (en) * | 1994-10-28 | 1996-05-21 | Dowa Koei Kk | Quick excavation construction method of tunnel with large section |
| JPH09235974A (en) * | 1996-03-01 | 1997-09-09 | Mitsubishi Heavy Ind Ltd | Opaque liquid camera device |
| CN204371101U (en) * | 2014-12-12 | 2015-06-03 | 中国石油大学(华东) | A kind of hydraulic power three grades of expansion coal bed gas make cave instrument |
| CN209195258U (en) * | 2018-08-15 | 2019-08-02 | 河南铁福来装备制造股份有限公司 | A kind of box-like Counterboring apparatus of mechanical water power packages |
| CN110359847A (en) * | 2019-06-17 | 2019-10-22 | 河北锐石钻头制造有限公司 | A kind of three concentric drill bits of gear wheel PDC |
| CN209761337U (en) * | 2019-04-12 | 2019-12-10 | 成都西油联合石油天然气工程技术有限公司 | Petroleum reamer bit |
-
2020
- 2020-06-12 CN CN202010537775.8A patent/CN111810052B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08128293A (en) * | 1994-10-28 | 1996-05-21 | Dowa Koei Kk | Quick excavation construction method of tunnel with large section |
| JPH09235974A (en) * | 1996-03-01 | 1997-09-09 | Mitsubishi Heavy Ind Ltd | Opaque liquid camera device |
| CN204371101U (en) * | 2014-12-12 | 2015-06-03 | 中国石油大学(华东) | A kind of hydraulic power three grades of expansion coal bed gas make cave instrument |
| CN209195258U (en) * | 2018-08-15 | 2019-08-02 | 河南铁福来装备制造股份有限公司 | A kind of box-like Counterboring apparatus of mechanical water power packages |
| CN209761337U (en) * | 2019-04-12 | 2019-12-10 | 成都西油联合石油天然气工程技术有限公司 | Petroleum reamer bit |
| CN110359847A (en) * | 2019-06-17 | 2019-10-22 | 河北锐石钻头制造有限公司 | A kind of three concentric drill bits of gear wheel PDC |
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