CN101705785A - Mining linkage all-hydraulic drilling machine - Google Patents
Mining linkage all-hydraulic drilling machine Download PDFInfo
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- CN101705785A CN101705785A CN 200910191279 CN200910191279A CN101705785A CN 101705785 A CN101705785 A CN 101705785A CN 200910191279 CN200910191279 CN 200910191279 CN 200910191279 A CN200910191279 A CN 200910191279A CN 101705785 A CN101705785 A CN 101705785A
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- 238000005553 drilling Methods 0.000 title claims abstract description 79
- 238000005065 mining Methods 0.000 title claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims description 12
- 230000002457 bidirectional effect Effects 0.000 claims description 8
- 230000009467 reduction Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 75
- 230000008859 change Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention discloses a mining linkage all-hydraulic drilling machine which comprises a pump station system, a power head, a base, a machine frame, an upright post, a gripper, a drilling tool, a drilling machine thrust cylinder and a hydraulic linkage system, the hydraulic linkage system comprises a multiway valve unit and a linkage unit, the pump station system is connected with the linkage unit by the multiway valve unit, the linkage unit comprises an advance and retreat pole hand-operated direction valve, a cartridge linkage/single acting hand-operated direction valve and a gripper linkage/single acting hand-operated direction valve, the multiway valve unit comprises thrust cylinder valve leaves, hydraulic cartridge valve leaves, gripper valve leaves and hydraulic motor valve leaves. The invention adopts hydraulic linkage function, thus reducing auxiliary time of drilling machine operation, and leading the drilling machine operation to be more convenient. The drilling machine is compact in structure, light in weight and easy to transport in the pit.
Description
Technical Field
The invention relates to the field of mining mechanical equipment, in particular to a mining linkage full hydraulic drilling machine.
Background
The existing hydraulic drilling machine mainly comprises a pump station, an operating board, a power head, a rack, an underframe, a clamp holder, an upright post, a drilling tool and the like, has a complex structure and heavy weight, is not beneficial to underground transportation, and has the disadvantages of complex operation, time waste and labor waste due to the fact that a hydraulic system cannot be linked.
Disclosure of Invention
In view of the above, the invention provides a mining linkage all-hydraulic drilling machine, which adopts a hydraulic linkage system to reduce the auxiliary time of drilling machine operation, so that the drilling machine is simpler and more convenient to operate, and meanwhile, the mining linkage all-hydraulic drilling machine has a compact structure, is light in weight and is easy to carry underground.
The invention aims to provide a mining linkage all-hydraulic drilling machine, which comprises a pump station system, a power head, a base, a rack, a stand column, a hydraulic clamp holder and a drilling tool, wherein the drilling tool comprises a drill bit, a drill rod and a water braid, the base is used for supporting the rack, the rack is provided with the power head, the power head comprises a hydraulic motor, a reduction box and a hydraulic chuck, the hydraulic clamp holder used for clamping the drill rod and matched with the power head to mechanically screw and unscrew the drill rod is arranged at the front end of the rack, and the mining linkage all-hydraulic drilling machine is characterized in: the mining linkage full-hydraulic drilling machine further comprises a drilling machine propulsion oil cylinder and a hydraulic linkage system, the hydraulic linkage system comprises a multi-way valve unit and a linkage unit, the pump station system is connected with the linkage unit through the multi-way valve unit to achieve oil circuit connection, the linkage unit comprises an advance and retreat rod manual reversing valve, a chuck linkage/single-action manual reversing valve and a holder linkage/single-action manual reversing valve, and the multi-way valve unit comprises a propulsion oil cylinder valve block, a hydraulic chuck valve block, a holder valve block and a hydraulic motor valve block; wherein,
the oil circuit connection between the valve plates of the propulsion oil cylinder and the propulsion oil cylinder of the drilling machine is realized through a manual reversing valve of an advance and retreat rod, the oil circuit connection between the valve plates of the hydraulic chuck and the hydraulic chuck is realized through a chuck linkage/single-hand manual reversing valve, the oil circuit connection between the valve plates of the clamp holder and the hydraulic clamp holder is realized through a clamp holder linkage/single-hand manual reversing valve, and the valve plates of the hydraulic motor are connected with the hydraulic motor through the oil circuit.
Further, the pump station comprises an electric motor, an oil tank and a duplex plunger pump, wherein a large pump of the duplex plunger pump is connected with a hydraulic motor of the power head through an oil supply pipeline to realize the rotation of the motor and output the rotating speed and the torque; the small pump of the duplex plunger pump is connected with the propelling oil cylinder, the hydraulic chuck and the clamp holder through oil supply pipelines;
furthermore, the mining linkage all-hydraulic drilling machine also comprises a drilling machine angle adjusting mechanism, the drilling machine angle adjusting mechanism comprises a drilling machine angle adjusting oil cylinder, and a small pump of the duplex plunger pump is connected with the drilling machine angle adjusting oil cylinder through an oil supply pipeline;
the hydraulic linkage system further comprises a one-way throttle valve, a shuttle valve and a reversing valve, wherein the one-way throttle valve is arranged on an oil supply pipeline of the hydraulic motor, and the shuttle valve is arranged on the oil supply pipelines of the hydraulic motor and the propulsion oil cylinder;
further, an oil pressure gauge is arranged on an oil supply pipeline of the pump station;
furthermore, the drilling machine angle adjusting mechanism also comprises a bidirectional hydraulic lock, and the bidirectional hydraulic lock is connected with the drilling machine angle adjusting oil cylinder;
further, the pump station also comprises a coarse oil filter arranged on the oil inlet pipeline, and a cooler and a fine oil filter arranged on the oil return pipeline;
furthermore, the hydraulic motor adopts a variable motor, and the power head adopts a transmission mode that the variable motor drives the main shaft of the drilling machine to rotate through gear reduction;
the hydraulic chuck comprises an end cover I, an end cover II, a pressure plate, a shell, an oil inlet and outlet passage, slip sets symmetrically arranged in the chuck and a rubber sleeve, wherein the rubber sleeve is arranged between the shell and the slip sets and forms an oil pressure cavity with the inner wall of the shell;
furthermore, the mining linkage all-hydraulic drilling machine further comprises a control console, and the hydraulic linkage system is arranged on the control console.
The invention has the beneficial effects that:
1. the hydraulic linkage function is adopted, so that the auxiliary time of the drilling machine operation is reduced, and the drilling machine operation is simpler and more convenient. The drilling machine is small in structure, light in weight and easy to carry underground;
2. the rotary part of the drilling machine adopts a configuration mode of a variable pump and a variable motor, so that stepless speed regulation within a full rotating speed range is realized; the power head of the drilling machine abandons a gear speed change mechanism with a complex structure, and a variable motor is adopted to drive the main shaft of the drilling machine to rotate through gear reduction, so that the structure is simpler, and the power performance of the system is enhanced;
3. the chuck of the drilling machine adopts the hydraulic chuck for linkage with independent patent rights, the chuck is loosened by a hydraulic clamping spring, when the drilling machine works, the chuck needs hydraulic oil to keep clamping, the hydraulic oil enters the chuck through an oil distribution sleeve and an oil hole on the main shaft, and the sealing between the oil distribution sleeve and the main shaft adopts micro-gap sealing, so that the use requirement is effectively ensured;
4. the drilling machine propelling mechanism changes the traditional mode of regulating the bit pressure by regulating the propelling speed, and adopts an overflow valve to directly regulate the propelling force of a propelling oil cylinder, thereby achieving the purpose of regulating the bit pressure; the propulsion oil cylinder adopts an inverted hinge shaft connection mode, the length of the rack can be effectively reduced, and the power head and the carriage are connected by adopting a hinge shaft and hinge bolt connection mode, so that the power head can be conveniently assembled and disassembled.
The invention provides another advanced device for underground drilling construction of coal mines, can greatly reduce the auxiliary time of drilling construction, greatly improves the construction efficiency of drilling operation, and has important significance for improving the safety condition of coal mines.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof.
Drawings
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings, in which:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a hydraulic linkage system connection;
fig. 3 is a schematic view of a hydraulic chuck structure.
Detailed Description
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the preferred embodiments are illustrative of the invention only and are not limiting upon the scope of the invention.
1. A pump station system; 2. an operation table; 3. a column; 4. a power head; 5. a frame; 7. a base; 8. drilling tools; 9. feeding oil into a coarse oil filter; 10. a dual plunger pump; 11. a throttle valve; 12. a pressure gauge; 13. a multi-way valve unit; 14. a one-way throttle valve; 15. a hydraulic motor; 16. a shuttle valve; 17. a drilling machine propulsion oil cylinder; 18. a forward and backward lever manual directional valve; 19. a one-way throttle valve; 20. a one-way valve; 21. a hydraulic chuck; 22. a chuck linkage/single-action manual reversing valve; 23. a gripper linkage/single-action manual directional valve; 24. a hydraulic clamp holder; 25. an angle adjusting oil cylinder of the drilling machine; 26. a bidirectional hydraulic lock; 27. fine oil filter; 28. a cooler; 29. an overflow valve; 30. a rear end cap; 31. pressing a plate: 32. a housing; 33. an oil pressure chamber; 34. a rubber sleeve; 35. a slip group; 36. a torsion disc; 37. a front end cover; 38. a return spring; 39 pin shaft; a 40 baffle ring; 41. a hydraulic motor valve plate; 42. a propulsion oil cylinder valve plate; 43. a hydraulic chuck valve plate; 44. a clamper valve plate.
As shown in fig. 1 and fig. 2, the mining linkage all-hydraulic drill of the invention comprises a pump station system 1, a base 7, a frame 5, a column 3, a hydraulic clamp 24 and a drilling tool 8, wherein the drilling tool comprises a drill bit, a drill rod and a water braid, the base 7 is used for supporting the frame 5, a power head 4 is arranged on the frame 5, the power head 4 comprises a hydraulic motor 15, a reduction box and a hydraulic chuck 21, a clamp 6 for clamping the drill rod and mechanically screwing and unscrewing the drill rod in cooperation with the power head 4 is arranged at the front end of the frame 5, the mining all-hydraulic drill further comprises a drill pushing cylinder 17 and a hydraulic linkage system, the hydraulic linkage system comprises a multi-way valve unit 13 and a linkage unit, the pump station system 1 is connected with the linkage unit through the multi-way valve unit 13, the linkage unit comprises a manual reversing valve 18 for the rod, a chuck linkage/single-action manual reversing, the multi-way valve unit 13 comprises a propulsion cylinder valve plate 42, a hydraulic chuck valve plate 43, a clamp valve plate 44 and a hydraulic motor valve plate 41; wherein,
the propulsion oil cylinder valve plate 42 is connected with the drilling machine propulsion oil cylinder 17 through the advance and retreat rod manual reversing valve 18, so that the advance and retreat operation of the propulsion oil cylinder is controlled; the hydraulic chuck valve plate 43 is connected with the hydraulic chuck 21 through the chuck linkage/single-action manual reversing valve 22 to realize the operation control of the hydraulic chuck 21; the clamp valve plate 44 is connected with the hydraulic clamp 24 through the clamp linkage/single-action manual reversing valve 23 to realize the operation control of the hydraulic clamp 24; the hydraulic motor valve plate 41 is connected with the hydraulic motor 15 to realize the operation control of the hydraulic motor 15.
The pump station system 1 comprises a motor, an oil tank and a duplex plunger pump 10, wherein a large pump of the duplex plunger pump 10 is connected with a multi-way valve unit 13 through an oil supply pipeline, a hydraulic motor valve plate in the multi-way valve unit 13 is connected with a hydraulic motor 15 of a power head 4, and the motor rotation, the output of the rotating speed and the torque are realized; the small pump of the duplex plunger pump 10 is connected with the multi-way valve unit 13 through an oil supply pipeline, and the operation control of the drilling machine propulsion cylinder 17, the hydraulic chuck 21 and the hydraulic clamp 24 is respectively realized through the propulsion cylinder valve plate 42, the hydraulic chuck valve plate 43 and the clamp valve plate 44.
The mining linkage full-hydraulic drilling machine further comprises a drilling machine angle adjusting mechanism, the drilling machine angle adjusting mechanism comprises a drilling machine angle adjusting oil cylinder 25 and a bidirectional hydraulic lock 26, and the bidirectional hydraulic lock 26 is connected with the drilling machine angle adjusting oil cylinder. The drilling machine angle adjusting oil cylinder 25 is driven by oil supplied by a small pump of the duplex plunger pump 10 to realize the adjustment of the drilling machine angle, and the safety is ensured by the bidirectional hydraulic lock 26.
The hydraulic linkage system further comprises a one-way throttle valve 19 and a shuttle valve 16, the one-way throttle valve 19 being disposed in an oil supply line of the hydraulic motor 15, and the shuttle valve 16 being disposed in an oil supply line of the hydraulic motor 15 and the thrust cylinder 17.
The pump station also comprises a coarse oil filter 9 arranged on the oil inlet pipeline, a cooler 28 and a fine oil filter 27 arranged on the oil return pipeline, and an overflow valve 29 arranged on the oil supply pipeline of the propulsion oil cylinder 17.
The drilling machine adopts a double-pump oil supply mode, and the large pump supplies oil to realize the rotation of the motor and output the rotating speed and the torque; the small pump supplies oil to realize the operation of the propulsion oil cylinder, the gripper, the chuck and the adjustment of the inclination angle of the main machine; when the hydraulic motor is in the middle position, the large flow oil of the rotary valve plate can be combined to the propulsion oil circuit by controlling the advance and retreat valve plate of the manual reversing valve of the propulsion cylinder, so that the propulsion cylinder can advance and retreat quickly; the thrust (weight on bit) and the thrust speed of the drilling machine are adjusted by the overflow valve.
And an oil pressure gauge is arranged on an oil supply pipeline of the pump station system and used for indicating oil pressure change.
The hydraulic motor adopts a variable motor, thereby realizing stepless speed regulation within a full rotating speed range; the power head abandons a gear speed change mechanism with a complex structure, and adopts a transmission mode that a variable motor drives a main shaft of the drilling machine to rotate through gear reduction. The structure is simpler, and the power performance of the system is enhanced.
As shown in fig. 3, the hydraulic chuck includes a rear end cover 30, a front end cover 37, a pressure plate 31, a housing 32, an oil pressure chamber 38, a torsion plate 36, slip sets 35 symmetrically arranged inside the chuck, and further includes a rubber sleeve 34, the rubber sleeve 34 is arranged between the housing 32 and the slip sets 35 and forms the oil pressure chamber 38 with the inner wall of the housing 32, the inlet and outlet oil is communicated with the oil pressure chamber 38 through the rear end cover 30 and the housing 32, the slip sets 35 are further provided with a return spring 38, a retaining ring 40 is arranged below the return spring 38, and the front end cover 37 of the hydraulic chuck is further provided with a pin 39 for fixing.
When the drilling machine works, the rubber sleeve and the chuck shell rotate together, high-pressure oil directly acts to push slips to clamp a drill rod through the high-speed rotating hollow main shaft without a force-increasing mechanism, a thrust bearing and the like, so that the normally open rubber sleeve hydraulic chuck with compact structure, simplicity and practicability is formed. Hydraulic oil enters the chuck through an oil distribution sleeve and an oil hole on the main shaft, and the oil distribution sleeve and the main shaft are sealed by adopting micro-gap sealing, so that the use requirement is effectively ensured.
The mining linkage full-hydraulic drilling machine further comprises a control console, and the hydraulic linkage system is arranged inside the control console. The whole machine has compact structure, small occupied area and convenient transportation and installation.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (10)
1. Mining linkage all-hydraulic drill, including pump station system, unit head, base, frame, stand, hydraulic pressure holder and drilling tool, the drilling tool includes drill bit, drilling rod and water swivel, the chassis is used for supporting the frame, be provided with the unit head in the frame, the unit head includes hydraulic motor, reducing gear box and hydraulic chuck, be used for centre gripping drilling rod and carry out the hydraulic pressure holder setting of drilling rod machinery screwing off with the unit head cooperation at the front end of frame, its characterized in that: the mining linkage full-hydraulic drilling machine further comprises a drilling machine propulsion oil cylinder and a hydraulic linkage system, the hydraulic linkage system comprises a multi-way valve unit and a linkage unit, the pump station system is connected with the linkage unit through the multi-way valve unit to achieve oil circuit connection, the linkage unit comprises an advance and retreat rod manual reversing valve, a chuck linkage/single-action manual reversing valve and a holder linkage/single-action manual reversing valve, and the multi-way valve unit comprises a propulsion oil cylinder valve block, a hydraulic chuck valve block, a holder valve block and a hydraulic motor valve block; wherein,
the oil circuit connection between the valve plates of the propulsion oil cylinder and the propulsion oil cylinder of the drilling machine is realized through a manual reversing valve of an advance and retreat rod, the oil circuit connection between the valve plates of the hydraulic chuck and the hydraulic chuck is realized through a chuck linkage/single-hand manual reversing valve, the oil circuit connection between the valve plates of the clamp holder and the hydraulic clamp holder is realized through a clamp holder linkage/single-hand manual reversing valve, and the valve plates of the hydraulic motor are connected with the hydraulic motor through the oil circuit.
2. The mining linkage all-hydraulic drill according to claim 1, characterized in that: the pump station comprises a motor, an oil tank and a duplex plunger pump, wherein a large pump of the duplex plunger pump is connected with a hydraulic motor of the power head through an oil supply pipeline to realize the rotation of the motor and output the rotating speed and the torque; and a small pump of the duplex plunger pump is connected with the propelling oil cylinder, the hydraulic chuck and the clamp holder through oil supply pipelines.
3. The mining linkage all-hydraulic drill according to claim 2, characterized in that: the mining linkage all-hydraulic drilling machine further comprises a drilling machine angle adjusting mechanism, the drilling machine angle adjusting mechanism comprises a drilling machine angle adjusting oil cylinder, and a small pump of the duplex plunger pump is connected with the drilling machine angle adjusting oil cylinder through an oil supply pipeline.
4. The mining linkage all-hydraulic drill according to claim 3, characterized in that: the hydraulic linkage system further comprises a one-way throttle valve, a shuttle valve and a reversing valve, wherein the one-way throttle valve is arranged on an oil supply pipeline of the hydraulic motor, and the shuttle valve is arranged on the oil supply pipelines of the hydraulic motor and the propulsion oil cylinder.
5. The mining linkage all-hydraulic drill according to claim 4, characterized in that: and an oil pressure gauge is arranged on an oil supply pipeline of the pump station.
6. The mining linkage all-hydraulic drill according to claim 5, characterized in that: the drilling machine angle adjusting mechanism further comprises a bidirectional hydraulic lock, and the bidirectional hydraulic lock is connected with the drilling machine angle adjusting oil cylinder.
7. The mining linkage all-hydraulic drill according to claim 6, characterized in that: the pump station also comprises a coarse oil filter arranged on the oil inlet pipeline, and a cooler and a fine oil filter arranged on the oil return pipeline.
8. The mining linkage all-hydraulic drill according to claim 7, characterized in that: the hydraulic motor adopts a variable motor, and the power head adopts a transmission mode that the variable motor drives the main shaft of the drilling machine to rotate through gear reduction.
9. The mining linkage all-hydraulic drill according to claim 8, characterized in that: the hydraulic chuck comprises an end cover I, an end cover II, a pressure plate, a shell, an oil inlet and outlet passage and a slip set symmetrically arranged inside the chuck and further comprises a rubber sleeve, the rubber sleeve is arranged between the shell and the slip set and forms an oil pressure cavity with the inner wall of the shell, the oil inlet and outlet passage is communicated with the oil pressure cavity through the end cover I and the shell, and the slip set is further provided with a reset spring.
10. The mining linkage all-hydraulic drill according to claim 9, characterized in that: the mining linkage all-hydraulic drilling machine further comprises a control console, and the hydraulic linkage system is arranged on the control console.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910191279 CN101705785B (en) | 2009-10-30 | 2009-10-30 | Mining linkage all-hydraulic drilling machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910191279 CN101705785B (en) | 2009-10-30 | 2009-10-30 | Mining linkage all-hydraulic drilling machine |
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| CN101705785A true CN101705785A (en) | 2010-05-12 |
| CN101705785B CN101705785B (en) | 2013-06-12 |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101906988A (en) * | 2010-07-23 | 2010-12-08 | 煤炭科学研究总院重庆研究院 | Remote-control underground gas extraction drilling machine |
| CN102322221A (en) * | 2011-05-24 | 2012-01-18 | 石家庄中煤装备制造股份有限公司 | The hard rock pneumatic drilling machine |
| CN102587825A (en) * | 2012-03-30 | 2012-07-18 | 中煤科工集团重庆研究院 | Linkage hydraulic system for fully hydraulic drilling machine for coal mines |
| CN102606555A (en) * | 2012-03-30 | 2012-07-25 | 中煤科工集团重庆研究院 | Integrated linkage control valve bank for all-hydraulic coal mine drill |
| CN102927071A (en) * | 2012-11-14 | 2013-02-13 | 中煤科工集团重庆研究院 | Hydraulic anti-jamming control system for drill loader |
| CN103061669A (en) * | 2013-01-21 | 2013-04-24 | 中煤科工集团西安研究院 | Large-through-hole power head with brake function of coal mine directional drilling machine |
| CN103334696A (en) * | 2013-07-02 | 2013-10-02 | 中煤科工集团西安研究院 | Full-hydraulic crawler pump truck for coal mine underground directional drilling |
| CN103527074A (en) * | 2013-10-28 | 2014-01-22 | 镇江安达煤矿专用设备有限公司 | Duplex-pump structural pump station of drilling machine |
| CN104121010A (en) * | 2014-06-20 | 2014-10-29 | 重庆迈尔矿山设备开发有限公司 | Method for recording drilling depth of drilling machine and coal mine drilling machine capable of measuring and controlling drill hole operating conditions and surroundings |
| CN104832080A (en) * | 2015-04-24 | 2015-08-12 | 西安科技大学 | Light-type full-hydraulic drilling machine for underground drilling of coal mine |
| CN105386718A (en) * | 2015-12-10 | 2016-03-09 | 重庆铁木科技发展有限公司 | All-hydraulic drill power head with double shafts |
| CN105672871A (en) * | 2016-04-07 | 2016-06-15 | 陕西太合科技有限公司 | All-hydraulic drill power head with rear-mounted floating-ring |
| CN106232933A (en) * | 2014-04-24 | 2016-12-14 | 阿特拉斯·科普柯凿岩设备有限公司 | Chuck for the drill head of rotary rig |
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|---|---|---|---|---|
| CN101906988B (en) * | 2010-07-23 | 2013-01-30 | 煤炭科学研究总院重庆研究院 | Remote-control underground gas extraction drilling machine |
| CN101906988A (en) * | 2010-07-23 | 2010-12-08 | 煤炭科学研究总院重庆研究院 | Remote-control underground gas extraction drilling machine |
| CN102322221A (en) * | 2011-05-24 | 2012-01-18 | 石家庄中煤装备制造股份有限公司 | The hard rock pneumatic drilling machine |
| CN102587825A (en) * | 2012-03-30 | 2012-07-18 | 中煤科工集团重庆研究院 | Linkage hydraulic system for fully hydraulic drilling machine for coal mines |
| CN102606555A (en) * | 2012-03-30 | 2012-07-25 | 中煤科工集团重庆研究院 | Integrated linkage control valve bank for all-hydraulic coal mine drill |
| CN102927071B (en) * | 2012-11-14 | 2015-08-26 | 中煤科工集团重庆研究院有限公司 | Hydraulic anti-jamming control system of drilling and loading machine |
| CN102927071A (en) * | 2012-11-14 | 2013-02-13 | 中煤科工集团重庆研究院 | Hydraulic anti-jamming control system for drill loader |
| CN103061669A (en) * | 2013-01-21 | 2013-04-24 | 中煤科工集团西安研究院 | Large-through-hole power head with brake function of coal mine directional drilling machine |
| CN103061669B (en) * | 2013-01-21 | 2015-04-08 | 中煤科工集团西安研究院有限公司 | Large-through-hole power head with brake function of coal mine directional drilling machine |
| CN103334696A (en) * | 2013-07-02 | 2013-10-02 | 中煤科工集团西安研究院 | Full-hydraulic crawler pump truck for coal mine underground directional drilling |
| CN103334696B (en) * | 2013-07-02 | 2015-09-09 | 中煤科工集团西安研究院有限公司 | Underground coal mine directional drilling full-hydraulic crawler pump truck |
| CN103527074A (en) * | 2013-10-28 | 2014-01-22 | 镇江安达煤矿专用设备有限公司 | Duplex-pump structural pump station of drilling machine |
| CN106232933A (en) * | 2014-04-24 | 2016-12-14 | 阿特拉斯·科普柯凿岩设备有限公司 | Chuck for the drill head of rotary rig |
| CN106232933B (en) * | 2014-04-24 | 2019-06-04 | 安百拓凿岩有限公司 | The chuck of drill head for rotary rig |
| US10392877B2 (en) | 2014-04-24 | 2019-08-27 | Epiroc Rock Drills Aktiebolag | Chuck for a drill head of a rotation drilling rig |
| CN104121010A (en) * | 2014-06-20 | 2014-10-29 | 重庆迈尔矿山设备开发有限公司 | Method for recording drilling depth of drilling machine and coal mine drilling machine capable of measuring and controlling drill hole operating conditions and surroundings |
| CN104121010B (en) * | 2014-06-20 | 2017-03-22 | 重庆迈尔矿山设备开发有限公司 | Method for recording drilling depth of drilling machine and coal mine drilling machine capable of measuring and controlling drill hole operating conditions and surroundings |
| CN104832080A (en) * | 2015-04-24 | 2015-08-12 | 西安科技大学 | Light-type full-hydraulic drilling machine for underground drilling of coal mine |
| CN104832080B (en) * | 2015-04-24 | 2017-03-01 | 西安科技大学 | A kind of light-duty all-hydraulic drill of coal mine down-hole drilling |
| CN105386718A (en) * | 2015-12-10 | 2016-03-09 | 重庆铁木科技发展有限公司 | All-hydraulic drill power head with double shafts |
| CN105672871A (en) * | 2016-04-07 | 2016-06-15 | 陕西太合科技有限公司 | All-hydraulic drill power head with rear-mounted floating-ring |
| CN112983300A (en) * | 2021-03-18 | 2021-06-18 | 中煤科工集团重庆研究院有限公司 | Double-chuck hydraulic power head and application thereof |
| CN118128445A (en) * | 2024-03-07 | 2024-06-04 | 宁夏水投清水河城乡供水有限公司 | Horizontal drilling machine applied to radiation well |
| CN118128445B (en) * | 2024-03-07 | 2024-07-26 | 宁夏水投清水河城乡供水有限公司 | Horizontal drilling machine applied to radiation well |
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