CN105735890A - Core drill - Google Patents
Core drill Download PDFInfo
- Publication number
- CN105735890A CN105735890A CN201610226843.2A CN201610226843A CN105735890A CN 105735890 A CN105735890 A CN 105735890A CN 201610226843 A CN201610226843 A CN 201610226843A CN 105735890 A CN105735890 A CN 105735890A
- Authority
- CN
- China
- Prior art keywords
- rope
- winch
- main winch
- main
- rock
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/02—Drilling rigs characterized by means for land transport with their own drive, e.g. skid mounting or wheel mounting
Abstract
The invention discloses a core drill, and belongs to the technical field of drill machines for geological prospecting, hydro water wells, coal fields, oil and gas field exploration and the like. The core drill comprises a base, a sliding rack, a main rotary motor, a transmission case and a gyrator, wherein the sliding rack is positioned on the base; the main rotary motor, the transmission case and the gyrator are positioned on the sliding rack; the main rotary motor is connected with the transmission case and the gyrator; a vertical shaft is mounted at the lower part of the gyrator; an independently modularized main winch module and an independently modularized rope centering winch module are further arranged on the sliding rack; both the main winch module and the rope centering winch module can be assembled and disassembled with the sliding rack in a modularized manner and can be easily exchanged with universal overall modules of a water source drill machine or other drill machines. Independence and modularization of execution units can be easily achieved, the core drill is convenient to mount, dismount and transport, the modularized execution units can be combined with other drill machines, universality of modules of the drill machine with other equipment can be improved, the equipment investment can be reduced, the equipment utilization rate is increased, and the production cost can be lowered.
Description
Technical field
The present invention relates to the drilling rig technique field of geological prospecting, hydrological well, coalfield, exploration of oil and gas field etc..
Background technology
Along with World Economics fast development, the demand of mineral resources is increasing.In international market, from 2004, the mineral exploration market in the whole world starts to walk out the low ebb in latter stage in last century and high year by year, mineral exploration investment sustainable growth, demand sustainable growth therewith to drilling equipment, rock-core borer is the key equipment of geologic prospect, and market demand invests sustainable growth also with mineral exploration.
The each parts of traditional rock-core borer are independently installed with the base of rig respectively, it is impossible to form independent, modular performance element, install, dismantle and transport complexity, and rig cost is high, bad adaptability.
Therefore, how providing a kind of performance element independent, modularity, it is simple to install, dismounting and transport, efficiency of construction is high, safe and reliable rock-core borer, is that those skilled in the art need badly and solve the technical problem that.
Summary of the invention
The technical problem to be solved in the present invention, it is to provide a kind of rock-core borer, it is capable of performance element independent, modularity, being easy to install, dismantle and transport, modular independent unit of execution can be combined installing with other rigs, improves the versatility of each module of rig and miscellaneous equipment, equipment investment can be reduced, improve utilization rate of equipment and installations, reduce production cost, increase economic efficiency.
For solving above-mentioned technical problem, the technical solution used in the present invention is:
A kind of rock-core borer, including base, it is positioned at the balladeur train on base, with the main turning motor being positioned on balladeur train, transmission case and gyroscope, described main turning motor is connected with gyroscope by transmission case, the bottom of described gyroscope is provided with vertical shaft, balladeur train is additionally provided with separate modular main winch module and the rope coring winch module of separate modular, described main winch module and rope coring winch module all can realize modularity mounting or dismounting with balladeur train；Facilitate implementation the generalization integral module with water source rig or other rigs to exchange.
As preferably, described main winch module includes the main winch base being bolted on balladeur train rear portion, being fixed with main winch frequency conversion motor, main winch reductor and main winch cylinder on described main winch base, described main winch frequency conversion motor is connected with main winch cylinder by main winch reductor.
As preferably, described main winch module also includes the main winch emergency set that cannot can start under normal operation at main power plant, described main winch emergency set includes emergent motor and the emergency decelerating machine being connected with emergent motor, and described main winch frequency conversion motor and emergent motor internal itself are equipped with outage brake gear.
As preferably, being additionally provided with hydraulic disc brake device main winch cylinder can being braked in one end of described main winch cylinder.
As preferably, the outer surface of described main winch cylinder is provided with LeBus grooving.
As preferably, described rope coring winch module includes being bolted on the anterior rope coring winch base of balladeur train and being fixed on the support of rope coring winch base both sides, being provided with rope coring winch cylinder between described support, described rope coring winch cylinder drives by being positioned at the toothed gearing electric motor of its end.
As preferably, it is also arranged above the rope winding jib that can move in parallel along the axis of described rope coring winch cylinder and can to the rotary encoder of the rope progress row monitor in real time of steel wire rope of coring at described rope coring winch cylinder
As preferably, described rope winding jib by its longitudinal center line each parallel to described rope coring winch cylinder axis row rope screw rod and row rope guide rod be arranged between described support, and row's rope screw rod and row's rope guide rod are in same level, described row's rope screw rod is provided with two-way external screw thread, the two-way screw-internal thread fit being provided with rope winding jib is connected, described rope winding jib moves along row's rope guide rod, and rope winding jib is play the guiding role by row's rope guide rod.
As preferably, being provided with the self centering manual lower chuck of drilling rod in described gyroscope bottom, described lower chuck is fixed on the end of the vertical shaft of gyroscope bottom, is provided with upper chuck on described gyroscope top, and described upper chuck adopts hydraulic lock mode.
As preferably, described vertical shaft is the axle of spline, and spline flank profil is involute.
Adopt and have the beneficial effects that produced by technique scheme: each parts of rock-core borer of the prior art are independently installed with the base of rig respectively, independent, modular performance element can not be formed, installing, dismantle and transport complexity, rig cost is high, bad adaptability.This device is provided with entirety on balladeur train and independently pacifies the main winch module torn open and rope coring winch module, it is capable of performance element independent, modularity, it is easy to install, dismantle and transport, modular independent unit of execution can be combined installing with other rig, improve the versatility of each module of rig and other rig, equipment investment can be reduced, improve utilization rate of equipment and installations, reduce production cost, increase economic efficiency；And main winch module includes can at the main winch emergency set that main power plant cannot start under normal operation, inside is provided with the main winch frequency conversion motor of outage brake gear, outer surface is provided with LeBus grooving main winch cylinder itself and the hydraulic disc brake device that can main winch cylinder be braked；Described rope coring winch module includes can to the rope winding jib that rope of coring uniformly is arranged and can to the rotary encoder of the rope progress row monitor in real time of steel wire rope of coring, can realize without abrasion auxiliary braking, reducing accessory loss and sound pollution, efficiency of construction is high, safe and reliable.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the invention；
Fig. 2 is the main winch modular structure schematic diagram in Fig. 1；
Fig. 3 is the A direction view of Fig. 2；
Fig. 4 is the rope coring winch modular structure schematic diagram in Fig. 1；
Fig. 5 is the A-A view of Fig. 4；
Each figure number name is called: 1 main winch module；2 rope coring winch modules；3 transmission cases；4 upper chucks；5 gyroscopes；6 bracing frames；7 speed shelves are handled；8 lower chucks；9 antijoyride devices；10 balladeur trains；11 bases；12 hydraulic systems；13 fuel tanks；14 main turning motors；15 vertical shafts；1-1 main winch emergency set；1-2 main winch reductor；1-3 shaft coupling；1-4 main winch frequency conversion motor；1-5 main winch base；1-6 main winch cylinder；1-7 hydraulic disc brake device；2-2 output shaft；2-6 support；2-7 rope coring winch cylinder；2-8 rope coring winch base；2-9 row's rope guide rod；2-12 guard shield；2-17 minor sprocket；2-21 drive；2-24 gear wheel；2-27 row's rope screw rod；2-28 rope winding jib；2-32 toothed gearing electric motor.
Detailed description of the invention
Below in conjunction with accompanying drawing and an embodiment, the present invention is further detailed explanation.
The present invention includes base 11, it is positioned at the balladeur train 10 on base 11, with the main turning motor 14 being positioned on balladeur train 10, transmission case 3 and gyroscope 5, described main turning motor 14 is connected with gyroscope 5 by transmission case 3, the bottom of described gyroscope 5 is provided with vertical shaft 15, balladeur train 10 is additionally provided with separate modular main winch module 1 and the rope coring winch module 2 of separate modular, described main winch module 1 and rope coring winch module 2 all can realize modularity mounting or dismounting with balladeur train 10；Facilitate implementation the generalization integral module with water source rig or other rigs to exchange.
The assembling process of said apparatus is: first, pre-assembled main winch module 1 and rope coring winch module 2, to be installed；Then being assembled on base 11 by balladeur train 10, then be installed on balladeur train 10 by main turning motor 14, transmission case 3 and gyroscope 5, described main turning motor 14 is connected with gyroscope 5 by transmission case 3；Finally, the main winch module 1 assembled and rope coring winch module 2 are installed on balladeur train 10 according to pre-assembled position.
Having the beneficial effects that of said apparatus: it is capable of performance element independent, modularity, it is easy to install, dismantle and transport, modular independent unit of execution can be combined installing with other rigs, improve the versatility of each module of rig and miscellaneous equipment, equipment investment can be reduced, improve utilization rate of equipment and installations, reduce production cost, increase economic efficiency.
Further, described main winch module 1 includes the main winch base 1-5 being bolted on balladeur train 10 rear portion, being fixed with main winch frequency conversion motor 1-4, main winch reductor 1-2 and main winch cylinder 1-6 on described main winch base 1-5, described main winch frequency conversion motor 1-4 is connected with main winch cylinder 1-6 by main winch reductor 1-2.Main winch module 1 without planetary wheeling mechanism, adopts drum shaft directly to drive main winch cylinder 1-6, and simple in construction is easy to maintenance.During work, normally making a trip and send driller to make to lean on main winch frequency conversion motor 1-4 to realize, main winch frequency conversion motor 1-4 can realize rotating switching and the zero-turn hovering impacted.
Further, described main winch module 1 also includes the main winch emergency set 1-1 that cannot can start under normal operation at main power plant, this main winch emergency set 1-1 and driller house, electric-controlled house completely disengages from, can independent lift or transfer whole drill string weight, described main winch emergency set 1-1 includes emergent motor and the emergency decelerating machine being connected with emergent motor, described main winch frequency conversion motor 1-4 is internal itself is equipped with outage brake gear, full drill string weight can be checked, when occurring that mair motor damages, the problems such as electric power is not enough occur, cause main winch frequency conversion motor 1-4 cannot normal operation time, only need to provide 380V power supply to emergent motor, full drill string weight can be put forward；Hydraulic disc brake device 1-7 main winch cylinder 1-6 can being braked it is additionally provided with in one end of described main winch cylinder 1-6, described hydraulic disc brake device 1-7 includes the safety tongs being arranged on the drum shaft end of main winch cylinder 1-6 and the dynamicliquid pressure driving device being connected with safety tongs, can realize without abrasion auxiliary braking, reduce accessory loss and sound pollution, efficiency of construction is high, safe and reliable；Two set brake rapidly work, ensure that brake safe and reliable.
Further, the outer surface of described main winch cylinder 1-6 is provided with LeBus grooving.This design can ensure that steel wire rope arrangement uniformly, makes main winch cylinder 1-6 uniform force, it is ensured that slinging work is normal, steady.
Further, described rope coring winch module 2 includes being bolted on the rope coring winch base 2-8 of balladeur train 10 front portion and being fixed on the support 2-6 of rope coring winch base 2-8 both sides, it is provided with rope coring winch cylinder 2-7, described rope coring winch cylinder 2-7 between described support 2-6 and drives by being positioned at the toothed gearing electric motor 2-32 of its end；It is also arranged above the rope winding jib 2-28 that can move in parallel along the axis of described rope coring winch cylinder 2-7 and can to the rotary encoder of the rope progress row monitor in real time of steel wire rope of coring at described rope coring winch cylinder 2-7；Described rope winding jib 2-28 by its longitudinal center line each parallel to described rope coring winch cylinder 2-7 axis row rope screw rod 2-27 and row rope guide rod 2-9 be arranged between described support 2-6, and row rope screw rod 2-27 and row rope guide rod 2-9 is in same level, described row rope screw rod 2-27 is provided with two-way external screw thread, the two-way screw-internal thread fit being provided with rope winding jib 2-28 is connected, described rope winding jib 2-28 moves along row rope guide rod 2-9, and rope winding jib 2-28 is play the guiding role by row rope guide rod 2-9.Described rope winding jib 2-28 substantially increases row's rope effect, installs the monitor in real time that rotary encoder achieves the rope length of steel wire rope of coring.
Further, being provided with the self centering manual lower chuck 8 of drilling rod in described gyroscope 5 bottom, described lower chuck 8 is fixed on the end of the vertical shaft 15 of gyroscope 5 bottom, it is provided with upper chuck 4 on described gyroscope 5 top, described upper chuck 4 adopts hydraulic lock.Upper chuck 4 clamping mode is that disc spring clamping, oil cylinder unclamp, and the oil cylinder piston of upper chuck 4 compresses spring down through slip spider and realizes slips and move radially and unclamp drilling rod, and the oil cylinder emptying dish spring of upper chuck 4 promotes slip spider to drive slips to move thus clamping drilling rod.Upper chuck 4 is furnished with φ 55.5, φ 71, φ 73, φ 89, φ 114, φ 89 × 79, many kinds of slips of φ 114 × 102mm are available for user and select.
Further, described vertical shaft 15 is the axle of spline, and spline flank profil is involute.Vertical shaft of the prior art is hexahedron, and namely cross section is hexagon, and former vertical shaft and vertical shaft conduit connect by six sides, vertical shaft and vertical shaft conduit only one end fits transmission moment of torsion, this structure can cause rig vertical shaft unstable when high speed rotating, and vibration is big, and equipment attrition is fast.For above drawback, this device changes six side's vertical shafts the vertical shaft 15 of spline into, vertical shaft 15 is that two ends coordinate with vertical shaft conduit, this ensure that the stability of vertical shaft rotary, and spline flank profil is involute, tooth has during stand under load radial force, Self-centering Action can be played, making each tooth uniform force, intensity is high, and the life-span is long.
This rig has two hydraulic systems: respectively creep into hydraulic system and dish is stopped hydraulic system.
Principles of the invention and embodiment are set forth by specific case used herein, and the explanation of above example is only intended to help to understand method and the core concept thereof of the present invention.It should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention, it is also possible to the present invention carries out some improvement and modification, these improve and modify in the protection domain also falling into the claims in the present invention.
Claims (10)
1. a rock-core borer, including base (11), it is positioned at the balladeur train (10) on base (11), with the main turning motor (14) being positioned on balladeur train (10), transmission case (3) and gyroscope (5), described main turning motor (14) is connected with gyroscope (5) by transmission case (3), the bottom of described gyroscope (5) is provided with vertical shaft (15), it is characterized in that: on balladeur train (10), be additionally provided with the main winch module (1) of separate modular and the rope coring winch module (2) of separate modular, described main winch module (1) and rope coring winch module (2) all can realize modularity mounting or dismounting with balladeur train (10)；Facilitate implementation the generalization integral module with water source rig or other rigs to exchange.
2. a kind of rock-core borer according to claim 1, it is characterized in that: described main winch module (1) includes being bolted on the main winch base (1-5) at balladeur train (10) rear portion, being fixed with main winch frequency conversion motor (1-4), main winch reductor (1-2) and main winch cylinder (1-6) on described main winch base (1-5), described main winch frequency conversion motor (1-4) is connected with main winch cylinder (1-6) by main winch reductor (1-2).
3. a kind of rock-core borer according to claim 2, it is characterized in that: described main winch module (1) also includes the main winch emergency set (1-1) that cannot can start under normal operation at main power plant, described main winch emergency set (1-1) includes emergent motor and the emergency decelerating machine being connected with emergent motor, and described main winch frequency conversion motor (1-4) and emergent motor internal itself are equipped with outage brake gear.
4. a kind of rock-core borer according to claim 3, it is characterised in that: the hydraulic disc brake device (1-7) main winch cylinder (1-6) can being braked it is additionally provided with in one end of described main winch cylinder (1-6).
5. a kind of rock-core borer according to claim 2, it is characterised in that: the outer surface of described main winch cylinder (1-6) is provided with LeBus grooving.
6. a kind of rock-core borer according to claim 1, it is characterized in that: described rope coring winch module (2) includes being bolted on the anterior rope coring winch base (2-8) of balladeur train (10) and being fixed on the support (2-6) of rope coring winch base (2-8) both sides, being provided with rope coring winch cylinder (2-7) between described support (2-6), described rope coring winch cylinder (2-7) drives by being positioned at the toothed gearing electric motor (2-32) of its end.
7. a kind of rock-core borer according to claim 6, it is characterised in that: it is also arranged above the rope winding jib (2-28) that can move in parallel along the axis of described rope coring winch cylinder (2-7) and can to the rotary encoder of the rope progress row monitor in real time of steel wire rope of coring described rope coring winch cylinder (2-7).
8. a kind of rock-core borer according to claim 7, it is characterized in that: described rope winding jib (2-28) restricts screw rod (2-27) by its longitudinal center line each parallel to the row of the axis of described rope coring winch cylinder (2-7) and row's rope guide rod (2-9) is arranged between described support (2-6), and row's rope screw rod (2-27) and row's rope guide rod (2-9) are in same level, described row's rope screw rod (2-27) is provided with two-way external screw thread, the two-way screw-internal thread fit being provided with rope winding jib (2-28) is connected, described rope winding jib (2-28) is mobile along row's rope guide rod (2-9), rope winding jib (2-28) is play the guiding role by row's rope guide rod (2-9).
9. a kind of rock-core borer according to any one of claim 1 to 8, it is characterized in that: be provided with the self centering manual lower chuck (8) of drilling rod in described gyroscope (5) bottom, described lower chuck (8) is fixed on the end of the vertical shaft (15) of gyroscope (5) bottom, be provided with upper chuck (4) on described gyroscope (5) top, described upper chuck (4) adopts hydraulic lock mode.
10. a kind of rock-core borer according to claim 1, it is characterised in that: the axle that described vertical shaft (15) is spline, and spline flank profil is involute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610226843.2A CN105735890A (en) | 2016-04-13 | 2016-04-13 | Core drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610226843.2A CN105735890A (en) | 2016-04-13 | 2016-04-13 | Core drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105735890A true CN105735890A (en) | 2016-07-06 |
Family
ID=56254089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610226843.2A Pending CN105735890A (en) | 2016-04-13 | 2016-04-13 | Core drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105735890A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109826562A (en) * | 2019-03-25 | 2019-05-31 | 中国铁建重工集团有限公司 | Drill jumbo |
| CN109973007A (en) * | 2019-04-18 | 2019-07-05 | 中地装(北京)科学技术研究院有限公司 | A kind of deep hole electric transmission spindle drill |
| CN114293939A (en) * | 2021-12-29 | 2022-04-08 | 河北永明地质工程机械有限公司 | Core drilling machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2204680C1 (en) * | 2002-05-14 | 2003-05-20 | Юсупов Рим Адисович | Mobile repair-drilling unit |
| CN202140019U (en) * | 2011-06-13 | 2012-02-08 | 张家口中地装备探矿工程机械有限公司 | Multipurpose core drilling machine |
| CN202970432U (en) * | 2012-11-30 | 2013-06-05 | 连云港天明装备有限公司 | Vertical-shafttype power head of core drill |
| CN103244054A (en) * | 2013-05-03 | 2013-08-14 | 山西晋煤集团金鼎煤机矿业有限责任公司 | Movable vertical-spindle-type drill carriage |
| CN103407920A (en) * | 2013-08-22 | 2013-11-27 | 中国地质装备总公司 | Intelligent deep hole rope winch driven by variable frequency motor |
| CN205605108U (en) * | 2016-04-13 | 2016-09-28 | 河北永明地质工程机械有限公司 | Rock -core drilling machine |
-
2016
- 2016-04-13 CN CN201610226843.2A patent/CN105735890A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2204680C1 (en) * | 2002-05-14 | 2003-05-20 | Юсупов Рим Адисович | Mobile repair-drilling unit |
| CN202140019U (en) * | 2011-06-13 | 2012-02-08 | 张家口中地装备探矿工程机械有限公司 | Multipurpose core drilling machine |
| CN202970432U (en) * | 2012-11-30 | 2013-06-05 | 连云港天明装备有限公司 | Vertical-shafttype power head of core drill |
| CN103244054A (en) * | 2013-05-03 | 2013-08-14 | 山西晋煤集团金鼎煤机矿业有限责任公司 | Movable vertical-spindle-type drill carriage |
| CN103407920A (en) * | 2013-08-22 | 2013-11-27 | 中国地质装备总公司 | Intelligent deep hole rope winch driven by variable frequency motor |
| CN205605108U (en) * | 2016-04-13 | 2016-09-28 | 河北永明地质工程机械有限公司 | Rock -core drilling machine |
Non-Patent Citations (4)
| Title |
|---|
| 刘跃进等: "新一代电驱动深孔岩心钻机的实践与展望", 《第十七届全国探矿工程（岩土钻掘工程）学术交流年会论文集》 * |
| 梁一: "ZJ50/3150LDB新型钻机的设计与应用", 《机械研究与应用》 * |
| 第11-13页: "XY-8型钻机的研制与使用情况", 《地质装备》 * |
| 第7期: "自动排绳计数绞车的研制与应用", 《探矿工程（岩土钻掘工程）》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109826562A (en) * | 2019-03-25 | 2019-05-31 | 中国铁建重工集团有限公司 | Drill jumbo |
| CN109826562B (en) * | 2019-03-25 | 2020-09-08 | 中国铁建重工集团股份有限公司 | Drill jumbo |
| CN109973007A (en) * | 2019-04-18 | 2019-07-05 | 中地装(北京)科学技术研究院有限公司 | A kind of deep hole electric transmission spindle drill |
| CN114293939A (en) * | 2021-12-29 | 2022-04-08 | 河北永明地质工程机械有限公司 | Core drilling machine |
| CN114293939B (en) * | 2021-12-29 | 2023-09-12 | 河北永明地质工程机械有限公司 | Core drilling machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201310299Y (en) | Guide rail guiding device of power faucet | |
| CN105735890A (en) | Core drill | |
| CN203050503U (en) | Super-deep-hole double-tube directional drilling machine | |
| CN201292776Y (en) | Ocean oil drilling platform derrick | |
| CN102213076A (en) | Vertical shaft type drilling machine with long feeding travel | |
| CN205605108U (en) | Rock -core drilling machine | |
| CN103291210B (en) | Gate-type double-tower gear-driven drilling machine | |
| CN202913986U (en) | Coiled tubing injection head | |
| CN202064842U (en) | Gear-rack drilling machine | |
| CN114961596A (en) | Wellhead complete equipment of offshore oil drilling platform | |
| CN204266920U (en) | A kind of self-propelled hydraulic water drilling rig | |
| CN201103342Y (en) | Shallow-stratum drilling machine | |
| CN202611620U (en) | Rope coiling drive device applied to steel-wire-rope-type marine riser tensioner | |
| CN102145863B (en) | Engineering machinery and winching device thereof | |
| CN204691662U (en) | A kind of Combined project drill | |
| CN113417604A (en) | Intelligent control winch type long-stroke non-beam pumping unit | |
| CN112431556A (en) | Single-rail-crane hydraulic rock drilling machine | |
| CN201786246U (en) | Independent driving rotary table apparatus for petroleum drilling machine | |
| CN201377310Y (en) | Cluster well load counterbalance energy-saving pumping system | |
| CN202370457U (en) | Automatic drill pipe mounting and dismounting machine | |
| CN205503004U (en) | Electromechanical combined drive rig | |
| CN102628340A (en) | Rope-winding driver for wire rope type marine riser tensioners | |
| CN204591113U (en) | A kind of rotating disk input shaft structure | |
| CN204591125U (en) | A kind of can the rig of percussion drilling | |
| CN204691667U (en) | A kind of engineering driller system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160706 |
|
| RJ01 | Rejection of invention patent application after publication |