CN103920905A - Electro-hydraulic power integration closed type underwater piercer - Google Patents
Electro-hydraulic power integration closed type underwater piercer Download PDFInfo
- Publication number
- CN103920905A CN103920905A CN201410148784.2A CN201410148784A CN103920905A CN 103920905 A CN103920905 A CN 103920905A CN 201410148784 A CN201410148784 A CN 201410148784A CN 103920905 A CN103920905 A CN 103920905A
- Authority
- CN
- China
- Prior art keywords
- oil
- gear
- motor
- spline
- oil circuit
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention provides an electro-hydraulic power integration closed type underwater piercer. A feeding oil cylinder is fixed on a base support; an upper oil tank is fixed above the feeding oil cylinder through an intermediate supporting barrel; a primary pinion is meshed with a primary gearwheel; a secondary pinion is meshed with a secondary gearwheel; the primary gearwheel is coaxial with the secondary pinion; the secondary gearwheel sleeves the upper portion of a spline cutter bar; the spline cutter bar sequentially penetrates in the lower wall of the upper oil tank, the middle supporting barrel and the feeding oil cylinder; a drill bit is arranged at the lower end of the spline cutter bar; an oil cylinder piston is arranged in the feeding oil cylinder and sleeves the spline cutter bar; a motor is positioned in the upper oil tank; a gear oil pump and a gear motor are positioned outside the upper oil tank; the motor is connected with an output shaft of the gear oil pump; the gear motor is connected with a shaft with the primary pinion; the upper oil tank is filled with hydraulic oil; and an oil inlet of the gear oil pump is connected with the hydraulic oil in the upper oil tank. The electro-hydraulic power integration closed type underwater piercer is closed integrated equipment, and has the advantages of small size, flexibility in operation, convenience in installation and the like.
Description
Technical field
What the present invention relates to is a kind of underwater operation equipment, specifically drill.
Background technology
The oil in the whole world 80% transports by oil tanker at present, and oil tanker is in navigation process, due to the reason such as weather, mechanical accident, has a lot of oil carriers to sink in ocean every year.As everyone knows, oil is the chemical substance of high pollution, if oil leaks in ocean, it will have very large pollution to the environment of periphery, even can affect ecological environment around.Near for example Li Guliya Italy Genova in 1991, " extra large code " oil tanker here has an accident, at that time this oil tanker continuous burning 72 hours, after oil tanker sinking, part low weight in oil is constantly volatilized, its heavier part sinks to seabed, and forms harder " linoleum " of one deck in seabed, has caused serious pollution.Therefore,, for the sinking of this type of oil tanker, must take measures to be salvaged out as early as possible.Because there is a large amount of crude oil oil tanker the inside, bring very large inconvenience for salvaging, in view of this reason need to design a kind of underwater drilling device, its objective is and on oil tanker fuel tank, bore a hole, on hole, connect an oil pipe, by pipe, oil is extracted on another oil tanker; After the oil on oil tanker is drained, the hole of brill is sealed up again.So just alleviate the weight of oil tanker, can be easier to salvage shipwreck; Meanwhile, the more important thing is and do not worried the pollution of the possible leakage of oil to marine environment.
Boring is one of the most frequently used technique of manufacturing industry, and drilling machine and equipment are varied can complete various bore operations.The history of the existing last 100 years of western developed country drilling machine development, China's drilling machine starts development from the fifties, and the eighties takes on a certain scale, and the nineties is developed rapidly.Due to China's original mechanical industry overall strength weakness, foundation is weak, raw and semifinished materials industries falls behind, and the production pattern small and comprehensive that caused by long-term plan economy of China, cause drilling machine integral level to lag far behind Hesperian like product, its performance is in world the early 1990s level.But these drilling machines and equipment are all that operation is by land used, and for the hull plate bore operation under submerged wreck specific environment, also there is no till now drilling machine or the equipment of moulding.
Summary of the invention
The object of the present invention is to provide can complete independently to drill under the integrated enclosed water of electrohydraulic dynamic of hull, boat deck and other equipment surface steel plate bore operation.
The object of the present invention is achieved like this:
Drill under the integrated enclosed water of electrohydraulic dynamic of the present invention, it is characterized in that: comprise top tank, feed cylinder, motor, gear oil pump, gear motor, gear mechanism, spline knife bar, drill bit, on feed cylinder firm banking support, top tank is fixed on the top of feed cylinder by intermediate supports cylindrical shell, gear mechanism comprises one-level pinion, one-level gear wheel, secondary pinion, secondary gear wheel, one-level pinion is meshed with one-level gear wheel, secondary pinion is meshed with secondary gear wheel, one-level gear wheel is coaxial with secondary pinion, the top of spline knife bar and secondary gear wheel centre bore are provided with spline, secondary gear wheel is sleeved on the top of spline knife bar, spline knife bar is successively through top tank lower wall, intermediate supports cylindrical shell, feed cylinder, drill bit is arranged on the bottom of spline knife bar, oil cylinder piston is set in feed cylinder, oil cylinder piston is sleeved on spline knife bar feed cylinder is separated into, lower chambers, motor is positioned in top tank, gear oil pump and gear motor are positioned at outside top tank, motor connects the output shaft of gear oil pump, gear motor connects the axle at one-level pinion place, in top tank, be filled with hydraulic oil, the oil-in of gear oil pump is communicated with the hydraulic oil in top tank, gear oil pump is communicated with gear motor by the first oil circuit, gear motor is communicated with top tank by the second oil circuit, motor switch valve is installed on the first oil circuit, motor switch valve is communicated with the second oil circuit by the 3rd oil circuit, feed cylinder upper chamber is communicated with the second oil circuit by the 4th oil circuit, feed cylinder lower chambers is communicated with top tank by the 5th oil circuit, on the 4th oil circuit and the 5th oil circuit, oil cylinder reversal valve is installed.
The present invention can also comprise:
1, on the 4th oil circuit, speed governing overflow valve is installed, speed governing overflow valve is communicated with top tank by the 6th oil circuit, on the second oil circuit, one-way speed-regulating valve is installed, and on the 5th oil circuit, oil cylinder flow speed control valve is installed.
2, in top tank, accumulator is set, accumulator is communicated with the 5th oil circuit.
3, the spline on spline knife bar and secondary gear wheel is rectangular spline.
Advantage of the present invention is: the present invention is closed integration apparatus, has that volume is little, a flexible operation, the feature such as easy for installation, can complete independently to hull, boat deck and other equipment surface steel plate bore operation.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is side view of the present invention;
Fig. 3 is hydraulic schematic diagram of the present invention;
Fig. 4 is control combination circuit of the present invention.
Detailed description of the invention
For example the present invention is described in more detail below in conjunction with accompanying drawing:
In conjunction with Fig. 1～3, this underwater drilling device principal character is made up of parts such as motor, gear oil pump, hydraulic motor, change-speed gearing, spline knife bar, hydraulic jack, reversal valve and drilling tools.It adopts hydraulic-driven, and basic functional principle is motor driven gear oil pump output hydraulic pressure oil, and hydraulic oil drives hydraulic motor on the one hand, by derailleur, power is passed to spline knife bar, and drilling tool is rotated, and realizes boring cutting movement; On the other hand, hydraulic oil enters hydraulic jack through reversal valve and promotes drilling rod knee-action, realizes the feed motion of cutter.Its electrohydraulic control system has respectively relay and PLC two cover systems, for the electrohydraulic control system of Control, by the action electric and power-off control electromagnetic switch valve core of obtaining of relay, thereby the oil circuit of switching turnover oil cylinder reaches the object of controlling cutter knee-action; PLC system is controlled the boring campaign of cutter by its input and output switch and timing function.
Under the integrated enclosed water of electrohydraulic dynamic, drill is by base support 1, bottom surface permanent magnets 2, base connecting bolt 3, feed cylinder bottom end cover 4, knife bar hold-down nut 5, spline knife bar 6, treapanning drill set bolt 7, treapanning drill 8, feed cylinder barrel 9, oil cylinder cylinder lever connecting rod 10, oil cylinder piston 11, feed cylinder upper end cover 12, pull-rod nut 13, oil cylinder upper surface set bolt 14, intermediate supports cylindrical shell 15, middle cylindrical shell connecting bolt 16, gear oil pump 17, oil pump output shaft 18, oil pump output shaft linking bond 19, shaft coupling 20, motor support frame 21, motor support frame set bolt 22, filter 23, top tank kerve 24, fuel tank attachment bolt 25, motor shaft connecting key 26, motor shaft 27, motor set bolt 28, motor 29, hanger 30, top tank upper cover 31, secondary gearwheel bearing lid set bolt 32, secondary gearwheel bearing lid 33, secondary gearwheel bearing 34, secondary gear wheel 35, accumulator 36, three-way connection 37, one-way speed-regulating valve 38, one-level pinion 39, pinion woodruff key 40, motor output shaft 41, gear motor 42, one-level gear wheel 43, middle transition axle bearing lid set bolt 44, middle transition axle bearing 45, middle transition axle 46, secondary pinion 47, intermediate supports cylindrical shell alignment pin 48, speed governing overflow valve 49, level pressure overflow valve 50, oil cylinder flow speed control valve 51, oil cylinder reversal valve 52, motor switch valve 53 and oil pipe, the parts compositions such as annex.
Under the integrated enclosed water of electrohydraulic dynamic, drill is divided into motor driving, hydraulic power station, gear drive, hydraulic actuating mechanism, five, hydraulic valve control loop module.1. motor drive module is made up of motor 29, motor support frame 21, shaft coupling 20 etc., and wherein, motor 29 is connected and fixed by motor set bolt 28 and motor support frame 21; Motor support frame 21 is fixed on top tank kerve 24 bottom surfaces by motor support frame set bolt 22; Motor shaft 27 rotates by motor shaft connecting key 26, shaft coupling 20, oil pump output shaft linking bond 19, oil pump output shaft 18 driven gear oil pumps 17.2. hydraulic power station module is made up of top tank kerve 24, filter 23, gear oil pump 17 and pipeline fittings, and hydraulic oil is placed in top tank kerve 24; Top tank upper cover 31 is fixing with top tank kerve 24 by fuel tank attachment bolt 25, between top tank upper cover 31 and top tank kerve 24 contact-making surfaces, be placed with gasket seal, motor drive module, I and II gear train, spline knife bar 6, accumulator 36 etc. are enclosed in seal cavity, like this, can meet the requirement of underwater operation sealing; This fuel tank arranges that meeting undergear oil pump 17 sucks deep-fried twisted dough sticks part on the one hand, can lubricate on the other hand I and II gear train, shaft coupling 20; Hydraulic oil by filter 23, hydraulic fluid port a, enter gear oil pump 17, output to hydraulic control valve module by hydraulic fluid port b.3. gear drive module is made up of parts such as secondary gearwheel bearing lid 33, secondary gearwheel bearing 34, secondary gear wheel 35, one-level gear wheel 43, middle transition axle bearing 45, middle transition axle 46, secondary pinions 47; Motor output shaft 41 drives one-level pinion 39 to rotate by pinion woodruff key 40, is passed to one-level gear wheel 43 by engagement, drives middle transition axle 46, secondary pinion 47 to engage secondary gear wheel 35 and rotate, and realizes double reduction transmission; Secondary gear wheel 35 centre bores are rectangular spline form, coordinate drive spline knife bar 6 to rotate with spline knife bar 6, realize treapanning drill 8 and rotatablely move.4. hydraulic actuating mechanism module is made up of gear motor 42, feed cylinder assembly; Feed cylinder assembly is made up of feed cylinder bottom end cover 4, feed cylinder barrel 9, oil cylinder cylinder lever connecting rod 10, oil cylinder piston 11, feed cylinder upper end cover 12, pull-rod nut 13; Hydraulic oil enters gear motor 42 by pipeline c hole, enters valve control loop by pipeline d hole, and gear motor 42 drives one-level pinion 39 to rotate, and realizes treapanning drill 8 and rotatablely moves; Oil cylinder bottom end cover 4, feed cylinder upper end cover 12 form feed cylinder assembly with feed cylinder barrel 9 by oil cylinder cylinder lever connecting rod 10, pull-rod nut 13 fixing and lockings, feed cylinder assembly is connected on intermediate supports cylindrical shell 15 by oil cylinder upper surface set bolt 14, intermediate supports cylindrical shell 15 is connected on top tank kerve 24 by middle cylindrical shell connecting bolt 16, like this, base support 1, feed cylinder assembly, intermediate supports cylindrical shell 15 are connected into the medial support mechanisms of one formation drill; Oil cylinder piston 11 drives spline knife bar 6 to move up and down under oil cylinder reversal valve 52 is controlled, and realizes treapanning drill 8 feed motions.5. hydraulic valve control return circuit module is made up of the principal and subordinate loop of connecting, and the working connection of system is that gear oil pump 17 → gear motor 42 → one-way speed-regulating valve 38 → fuel tank 24 forms; Formed by gear motor 42 → speed governing overflow valve 49 → oil cylinder reversal valve 52 → oil cylinder → oil cylinder flow speed control valve 51 → fuel tank 24 from oil circuit, simultaneously, at one or two three-way diverter valve of the front serial connection of gear motor 42, when no power, oil circuit connects motor 42, the logical reversal valve of oil circuit when energising, like this, if there is ' penetration of a cutting tool ' phenomenon in boring procedure, can start this oil circuit and just can realize separately the backhaul of piston.Like this, these five modules have just formed drill under integrated enclosed water.
Under the integrated enclosed water of electrohydraulic dynamic, magnet adsorption mode is taked with the hull plate mode of being connected and fixed in drill bottom, bottom surface permanent magnets 2 is mounted in base support 1 dovetail groove, the absorption affinity that this permanent magnets 2 provides is greater than the cutting force of treapanning drill 8 millings, drill monolithic stability can ensure bore operation time.Treapanning drill 8 is fixed on spline knife bar 6 by treapanning drill set bolt 7, change different treapanning drill 8 can be respectively can be on steel plate the through hole of drill diameter φ 10～50mm, the degree of depth≤80mm.Be equipped with 4 hangers 30 at drill top, drill entirety can be hung in and in water, carry out bore operation by hanger 30.Motor 29 all adopts watertight cable and watertight connector to meet underwater sealing needs with hydraulic valve control cables.
Under the integrated enclosed water of this electrohydraulic dynamic, drill is under water can the device of complete independently to hull, boat deck and other equipment surface steel plate bore operation, can be on steel plate the through hole of drill diameter φ 50mm, the degree of depth≤50mm.The important technological parameters of this equipment design is as shown in table 1.
Table 1 underwater drilling device important technological parameters
As shown in Figure 4, operation principle is as follows for this drill electrohydraulic control system:
Tool in Cutting motion
The knife-like switch that closes switches on power, and presses starting button SB2, and KM1 coil obtains electric, KM1 main contacts closure, motor M starting; KM1 assists moving together contact closure, make KM1 coil all the time electric maintenance motor M continuous service, by gear oil pump 17, motor 42, change-speed gearing, transmission is passed to drilling rod 6, cutter 8 is rotated, realize cutting movement.Press locking key SB1, KM1 coil losing electricity, KM1 main contacts and auxiliary moving together contact disconnect, and motor 29M power-off is stopped.
The feed motion of cutter
The 380V voltage being provided by power supply is added on the solenoid of two-position four way change valve 52 to 24V through transformer transformation, in the time that drilling rod is met upper limit position switch SQ1, and relay K A1 energized action self-locking, it is electric that its moving together contact closure obtains solenoid YA1; And KA1 normally-closed contact disconnects, solenoid YA2, relay K A2 dead electricity, spool action, at this moment, hydraulic oil enters the epicoele of hydraulic cylinder 9 through reversal valve, and the cavity of resorption of hydraulic cylinder 9 communicates with oil return, drilling rod 6 moves downward under the effect of hydraulic oil, i.e. the feed motion of cutter 8.
The drawback movement of cutter
When tool feeding drills through after steel plate, while meeting lower position switch SQ2, relay K A2 energized action self-locking, it is electric that its moving together contact closure obtains solenoid YA2; And KA2 normally-closed contact disconnects, solenoid YA1, relay K A2 dead electricity, spool 52 counteragents, at this moment, hydraulic oil enters the cavity of resorption of hydraulic cylinder 9 through reversal valve, and the epicoele of hydraulic cylinder 9 communicates with oil return, drilling rod 6 moves upward under the effect of hydraulic oil, i.e. the drawback movement of cutter 8.
Under the integrated enclosed water of electrohydraulic dynamic, drill can, according to different definite relevant art parameters such as bore diameter, the degree of depth, steel plate materials, be designed the needs of drill adaptation unlike material, bore diameter steel plate bore operation under Series of Water.
Claims (5)
1. drill under the integrated enclosed water of electrohydraulic dynamic, it is characterized in that: comprise top tank, feed cylinder, motor, gear oil pump, gear motor, gear mechanism, spline knife bar, drill bit, on feed cylinder firm banking support, top tank is fixed on the top of feed cylinder by intermediate supports cylindrical shell, gear mechanism comprises one-level pinion, one-level gear wheel, secondary pinion, secondary gear wheel, one-level pinion is meshed with one-level gear wheel, secondary pinion is meshed with secondary gear wheel, one-level gear wheel is coaxial with secondary pinion, the top of spline knife bar and secondary gear wheel centre bore are provided with spline, secondary gear wheel is sleeved on the top of spline knife bar, spline knife bar is successively through top tank lower wall, intermediate supports cylindrical shell, feed cylinder, drill bit is arranged on the bottom of spline knife bar, oil cylinder piston is set in feed cylinder, oil cylinder piston is sleeved on spline knife bar feed cylinder is separated into, lower chambers, motor is positioned in top tank, gear oil pump and gear motor are positioned at outside top tank, motor connects the output shaft of gear oil pump, gear motor connects the axle at one-level pinion place, in top tank, be filled with hydraulic oil, the oil-in of gear oil pump is communicated with the hydraulic oil in top tank, gear oil pump is communicated with gear motor by the first oil circuit, gear motor is communicated with top tank by the second oil circuit, motor switch valve is installed on the first oil circuit, motor switch valve is communicated with the second oil circuit by the 3rd oil circuit, feed cylinder upper chamber is communicated with the second oil circuit by the 4th oil circuit, feed cylinder lower chambers is communicated with top tank by the 5th oil circuit, on the 4th oil circuit and the 5th oil circuit, oil cylinder reversal valve is installed.
2. drill under the integrated enclosed water of electrohydraulic dynamic according to claim 1, it is characterized in that: on the 4th oil circuit, speed governing overflow valve is installed, speed governing overflow valve is communicated with top tank by the 6th oil circuit, on the second oil circuit, one-way speed-regulating valve is installed, and on the 5th oil circuit, oil cylinder flow speed control valve is installed.
3. drill under the integrated enclosed water of electrohydraulic dynamic according to claim 1 and 2, is characterized in that: accumulator is set in top tank, and accumulator is communicated with the 5th oil circuit.
4. drill under the integrated enclosed water of electrohydraulic dynamic according to claim 1 and 2, is characterized in that: the spline on spline knife bar and secondary gear wheel is rectangular spline.
5. drill under the integrated enclosed water of electrohydraulic dynamic according to claim 3, is characterized in that: the spline on spline knife bar and secondary gear wheel is rectangular spline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410148784.2A CN103920905A (en) | 2014-04-12 | 2014-04-12 | Electro-hydraulic power integration closed type underwater piercer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410148784.2A CN103920905A (en) | 2014-04-12 | 2014-04-12 | Electro-hydraulic power integration closed type underwater piercer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103920905A true CN103920905A (en) | 2014-07-16 |
Family
ID=51139432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410148784.2A Pending CN103920905A (en) | 2014-04-12 | 2014-04-12 | Electro-hydraulic power integration closed type underwater piercer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103920905A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104354843A (en) * | 2014-10-20 | 2015-02-18 | 上海交通大学 | Miniature salvage drilling device and method coordinated with ROV (Remote Operated Vehicle) for marine oil tanker |
| CN105127473A (en) * | 2015-09-22 | 2015-12-09 | 上海交通大学 | Drilling device and method for inner-layer plate of double-layer hull |
| CN106270641A (en) * | 2016-08-31 | 2017-01-04 | 青岛理工大学 | Hydraulic self-screwing underwater double-drill tapping device with pressure |
| WO2019182958A1 (en) * | 2018-03-19 | 2019-09-26 | Resolve Marine Group, Inc. | Marine salvage drill assemblies and systems |
| CN112428447A (en) * | 2020-11-27 | 2021-03-02 | 中煤第五建设有限公司 | Permanent magnet base type diamond water drilling machine |
| CN118080922A (en) * | 2024-04-23 | 2024-05-28 | 哈尔滨工程大学 | Submerged ship underwater tapping unloading device and use method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4579484A (en) * | 1982-08-20 | 1986-04-01 | T. D. Williamson, Inc. | Underwater tapping machine |
| JP2003251511A (en) * | 2002-03-01 | 2003-09-09 | Cosmo Koki Co Ltd | Chip recovery device in non-shut off water cutting device |
| CN1919512A (en) * | 2006-08-31 | 2007-02-28 | 中国海洋石油总公司 | Underwater pressure pipeline tapping machine |
| CN201316819Y (en) * | 2008-11-05 | 2009-09-30 | 浙江西菱台钻制造有限公司 | Multi-head hydraulic drilling machine |
-
2014
- 2014-04-12 CN CN201410148784.2A patent/CN103920905A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4579484A (en) * | 1982-08-20 | 1986-04-01 | T. D. Williamson, Inc. | Underwater tapping machine |
| JP2003251511A (en) * | 2002-03-01 | 2003-09-09 | Cosmo Koki Co Ltd | Chip recovery device in non-shut off water cutting device |
| CN1919512A (en) * | 2006-08-31 | 2007-02-28 | 中国海洋石油总公司 | Underwater pressure pipeline tapping machine |
| CN201316819Y (en) * | 2008-11-05 | 2009-09-30 | 浙江西菱台钻制造有限公司 | Multi-head hydraulic drilling machine |
Non-Patent Citations (2)
| Title |
|---|
| 张波等: "水下钻孔器钻孔PLC控制系统的研究", 《机械与电子》 * |
| 王茁等: "水下钻孔机液压系统及钻进控制策略设计", 《机床与液压》 * |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104354843A (en) * | 2014-10-20 | 2015-02-18 | 上海交通大学 | Miniature salvage drilling device and method coordinated with ROV (Remote Operated Vehicle) for marine oil tanker |
| CN105127473A (en) * | 2015-09-22 | 2015-12-09 | 上海交通大学 | Drilling device and method for inner-layer plate of double-layer hull |
| CN106270641A (en) * | 2016-08-31 | 2017-01-04 | 青岛理工大学 | Hydraulic self-screwing underwater double-drill tapping device with pressure |
| CN106270641B (en) * | 2016-08-31 | 2018-04-13 | 青岛理工大学 | Hydraulic self-screwing underwater double-drill tapping device with pressure |
| CN112088123B (en) * | 2018-03-19 | 2023-01-13 | 解决海事集团股份有限公司 | Ocean rescue drilling tool assembly and system |
| CN112088123A (en) * | 2018-03-19 | 2020-12-15 | 解决海事集团股份有限公司 | Ocean rescue drilling tool assembly and system |
| US11014639B2 (en) | 2018-03-19 | 2021-05-25 | Resolve Marine Group, Inc. | Marine salvage drill assemblies and systems |
| US11364982B2 (en) | 2018-03-19 | 2022-06-21 | Resolve Marine Group, Inc. | Marine salvage drill assemblies and systems |
| WO2019182958A1 (en) * | 2018-03-19 | 2019-09-26 | Resolve Marine Group, Inc. | Marine salvage drill assemblies and systems |
| US11708139B2 (en) | 2018-03-19 | 2023-07-25 | Resolve Marine Group, Inc. | Marine salvage drill assemblies and systems |
| CN112428447A (en) * | 2020-11-27 | 2021-03-02 | 中煤第五建设有限公司 | Permanent magnet base type diamond water drilling machine |
| CN118080922A (en) * | 2024-04-23 | 2024-05-28 | 哈尔滨工程大学 | Submerged ship underwater tapping unloading device and use method thereof |
| CN118080922B (en) * | 2024-04-23 | 2024-06-21 | 哈尔滨工程大学 | Submerged ship underwater tapping unloading device and use method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103920905A (en) | Electro-hydraulic power integration closed type underwater piercer | |
| CN108979577B (en) | Sea bed gas hydrate pressure maintaining wire line coring drilling machine drilling process | |
| CN104551084B (en) | Deep water drilling oil pumping equipment | |
| CN108412466B (en) | Seabed natural gas hydrate exploitation device and exploitation method | |
| CN104354843B (en) | Coordinate the miniature salvaging drilling equipment of over seat anker and the method for ROV | |
| CN100569626C (en) | Hydraulic pressure turn-over device of large-scale component | |
| CN106837945B (en) | A kind of hydraulic safe electric control system | |
| CN201835810U (en) | Rotary drilling rig one-key drilling control device | |
| CN105775077B (en) | There is cable distance type underwater installation to transport and mounting robot | |
| AU2021104465A4 (en) | Auxiliary sampling device for deep-sea minerals | |
| CN104805821B (en) | Marine oil field natural gas compressing processes jack-up unit | |
| CN102839638A (en) | Hydraulic driving system for hydraulic driving bottom shaft rotating steel dam valve | |
| CN201778802U (en) | Hand-operated and automatic integrated throttling control device | |
| CN209027868U (en) | A kind of crowded sample transfer device of two-stage piston type Quan Haishen deposit | |
| CN108699897A (en) | The punch actuator that pressure servo-motor for well pressure control apparatus operates | |
| CN115343103B (en) | Underwater soil sampling equipment for water conservancy geological survey | |
| CN202098543U (en) | Deepwater hydraulic submarine cable fisher | |
| CN204587234U (en) | A kind of underwater positioning device for platform | |
| CN105781501B (en) | A kind of offshore oilfield pipeline oil circuit rapid abutting joint mechanism | |
| CN205475178U (en) | Dive formula ocean static sounding machine | |
| CN201288715Y (en) | Directional control valve driven by hydraulic pressure | |
| CN202560453U (en) | Novel deep sea pressure power device | |
| CN101709646B (en) | Floating drilling device of offshore drill | |
| CN203031056U (en) | Punching device for sunken ship oil tank outer surface | |
| KR100588075B1 (en) | Apparatus of collecting and transporting submarine groundwater discharge water |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140716 |