CN110535277A - A kind of compensation oil charging motor of deep sea pressure based on leather bag structure - Google Patents
A kind of compensation oil charging motor of deep sea pressure based on leather bag structure Download PDFInfo
- Publication number
- CN110535277A CN110535277A CN201910764295.2A CN201910764295A CN110535277A CN 110535277 A CN110535277 A CN 110535277A CN 201910764295 A CN201910764295 A CN 201910764295A CN 110535277 A CN110535277 A CN 110535277A
- Authority
- CN
- China
- Prior art keywords
- motor
- cabin
- bearing bracket
- drive end
- end bearing
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
- H02K11/33—Drive circuits, e.g. power electronics
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/02—Casings or enclosures characterised by the material thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/124—Sealing of shafts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/132—Submersible electric motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/173—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
- H02K5/1735—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings radially supporting the rotary shaft at only one end of the rotor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2205/00—Specific aspects not provided for in the other groups of this subclass relating to casings, enclosures, supports
- H02K2205/09—Machines characterised by drain passages or by venting, breathing or pressure compensating means
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The present invention relates to a kind of motors, more particularly, to a kind of compensation oil charging motor of the deep sea pressure based on leather bag structure.Including the columnar preceding cabin and rear cabin being connected by flanged joint block;Preceding cabin front end is equipped with drive end bearing bracket, and drive end bearing bracket center is provided with through-hole, and output shaft is stairstepping, is mounted in the through-hole in drive end bearing bracket center;Rear deck body side surface is provided with oil filled port, exhaust outlet and cable interface, and rear cabin rear end is equipped with rear end cap, and rear end cap is the truncated cone-shaped of perforation;Rubbery human body is the hemisphere shell sape with flange face, is bolted and is fixed between rear cabin and rear end cap;Compressed spring is mounted between rubbery human body and rear pressing cover;Motor is set in front deck body;Motor shaft is connected with output shaft by holding screw;It is attached between motor, driving plate and underwater electrical connector by pressure resistance conducting wire.The present invention is more steady during starting and running, and has better seal performance under high revolving speed.
Description
Technical field
The present invention relates to a kind of motors, more particularly, to a kind of compensation oil-filled electricity of deep sea pressure based on leather bag structure
Machine.
Background technique
Deep-sea generally refers to the depth of water in 500 meters of sea areas below, and due to the limitation of technological means, the mankind are for deep-sea at present
Exploration and understanding it is also extremely limited.Deep-marine-environment has the characteristics that high pressure, low temperature, unglazed, therefore creates unique biology
And physical resources.Biology macro to deep-sea, microorganism, deposit, pore water etc. are taken a sample to research, and the human intelligible earth is not only assisted in
Origin of life and evolutionary process also have great significance for the development of the subjects such as geophysics and Marine Geology.
The movement of various samplers under deep-marine-environment, for example, it is lower bore, valve folding etc. is required to power, in existing research mostly
Power required for device is run is provided using deep-water motor.There are mainly two types of thinkings for the design and manufacture of deep-water motor, a kind of
It is to be encapsulated in motor in high voltage bearing closure, motor itself is not pressurized;Another kind is that motor is encapsulated in oil-filled envelope
In closed shell body, inside and outside pressure is balanced by piston or leather bag structure, motor directly bears high pressure.In practical applications, previous
Kind structure is usually no more than 3000 meters using depth due to there is high pressure dynamic sealing at motor output shaft, therefore at present big
Latter configuration is used in the sampler of depth mostly, but latter configuration problems of the prior art are in reality
Seawater is possible to infiltration inside and causes short circuit in work.
Summary of the invention
The technical problem to be solved by the present invention is to overcome deficiency in the prior art, provide a kind of based on leather bag structure
The compensation oil charging motor of deep sea pressure.
The present invention provides a kind of compensation oil charging motors of the deep sea pressure based on leather bag structure, including cabin;Further include
Output shaft, general stopper ring, motor, rubbery human body and compressed spring;
Cabin includes the columnar preceding cabin and rear cabin being connected by flanged joint block;
Preceding cabin front end is equipped with drive end bearing bracket, has flange face on the outside of drive end bearing bracket, drive end bearing bracket center is provided with through-hole, and output shaft is
Stairstepping is mounted in the through-hole in drive end bearing bracket center;The outer ring of rolling bearing is mounted on the through-hole step in drive end bearing bracket center, interior
Circle is mounted on the step of output shaft back segment;Preceding gland is set on front side of drive end bearing bracket by bolt;
Rear deck body side surface is provided with oil filled port, exhaust outlet and cable interface, and wherein the position of oil filled port and exhaust outlet is opposite, fills
Hydraulic fluid port plug and exhaust outlet plug are separately connected and are fixed in oil filled port and exhaust outlet;The seat that is screwed is connected by outside screw
It is fixed on cable interface, underwater electrical connector one end has thread head, is fastened on and is screwed on seat;Cabin rear end is set afterwards
There is rear end cap, rear end cap is the truncated cone-shaped of perforation, is equipped with rear pressing cover on rear side of rear end cap;Rubbery human body is the hemisphere with flange face
Hull shape is bolted and is fixed between rear cabin and rear end cap;Compressed spring is mounted between rubbery human body and rear pressing cover;
Motor is set in front deck body;Motor front end is connected by motor fixing plate with drive end bearing bracket, and motor rear end passes through bolt
It is fixed on flanged joint block;It is integrated with electronic component in driving plate, is bolted on rear side of flanged joint block;Motor shaft
It is connected with output shaft by holding screw;It is attached between motor, driving plate and underwater electrical connector by pressure resistance conducting wire.
As an improvement being sealed between drive end bearing bracket and preceding cabin using O-ring.
It is sealed as an improvement being all made of O-ring between flanged joint block and preceding cabin, rear cabin.
As an improvement making dynamic sealing using general stopper ring between output shaft and drive end bearing bracket.
As an improvement motor is high voltage bearing DC brushless motor or direct current metal brush motor.
As an improvement oil filled port plug and exhaust outlet plug are the ED plug with grooved seal circle.
End face seal is carried out using O-ring as an improvement being threadedly coupled between seat and rear cabin.
As an improvement underwater electrical connector be threadedly coupled between seat using O-ring carry out end face seal.
As an improvement output shaft extension end be it is flat, to transmit bigger torque.
As an improvement rubbery human body is nitrile rubber material.
Compared with prior art, the beneficial effects of the present invention are:
Motor front end face and rear end face are fixed, more steady during starting and running;Output shaft uses general plug
Circle carries out dynamic sealing, compared to common O-ring, not only has better seal performance at high speed, but also in long-time work
It is not easy to generate because of abrasion compared with gross leak in work;Leather bag using nitrile rubber material injection form, have it is good elasticity,
Water resistance and oil resistivity, while being adapted to hot environment caused by the fever of motor long-play;Between motor and preceding cabin
Annular space can be suitably filled with heat sink material according to the actual situation, so that motor be made to pass through front deck side wall surface in operation
Heat exchange is carried out with extraneous seawater, avoids internal temperature excessively high;The extruding on rear side of leather bag can be made entirely by compressed spring
The inside of oil charging motor is in slight positive pressure state, improves the reliability of general plug sealing, extraneous seawater is effectively avoided to enter inside
Environment.
Detailed description of the invention
Fig. 1 is schematic diagram of internal structure of the present invention.
Fig. 2 is surface structure schematic diagram of the present invention.
Wherein: 1- output shaft;The general stopper ring of 2-;3- rolling bearing;Cabin before 4-;Cabin after 5-;6- driving plate;7- oil filled port
Plug;8- rear end cap;9- rear pressing cover;Gland before 10-;11- drive end bearing bracket;12- motor fixing plate;13- motor;14- flanged joint
Block;15- exhaust outlet plug;16- rubbery human body;17- compressed spring;18- underwater electrical connector;19- is screwed seat.
Specific embodiment
With reference to the accompanying drawing, specific embodiments of the present invention will be described in detail.
As depicted in figs. 1 and 2, the compensation oil charging motor of a kind of deep sea pressure based on leather bag structure, including 4 He of preceding cabin
Cabin 5 afterwards.Further include output shaft 1, general stopper ring 2, rolling bearing 3, driving plate 6, oil filled port plug 7, rear end cap 8, rear pressing cover 9,
Preceding gland 10, drive end bearing bracket 11, motor fixing plate 12, motor 13, flanged joint block 14, exhaust outlet plug 15, rubbery human body 16, pressure
Contracting spring 17, underwater electrical connector 18 and threaded connection seat 19.
Preceding cabin 4 is oval tubular, and front and back side is provided with threaded hole, and lateral surface is provided with twice groove, is easy to use anchor ear
It is fixed.Drive end bearing bracket 11 is the cylinder that outside has flange face, 4 front side of cabin before being bolted on, and by O-shaped
Circle is sealed.It is provided with seal groove on the inside of drive end bearing bracket 11, for installing general stopper ring 2.Preceding gland 10 is disc, solid by bolt
It is scheduled on 11 front side of drive end bearing bracket.Output shaft 1 is stairstepping, extension end be it is flat, be mounted in the through-hole in the center of drive end bearing bracket 11.Rolling
The outer ring of dynamic bearing 3 is mounted on the through-hole step in 11 center of drive end bearing bracket, and inner ring is mounted on the step of 1 back segment of output shaft.
It is connected and fixed on rear side of 12 side of motor fixing plate and drive end bearing bracket 11, the other side is connected and fixed with 13 front end face of motor.
The line shaft of motor 13 is D font, is connected and fixed by holding screw and output shaft 1.13 rear end face of motor passes through bolt and method
Blue link block 14 is connected and fixed.Flanged joint block 14 is the cylinder that outside has flange face, is bolted before being fixed on
Between cabin 4 and rear cabin 5, and it is sealed by O-ring.Driving plate 6 is disc, is integrated with electronic component above, is led to
It crosses bolt and is fixed on 14 rear side of flanged joint block.Cabin 5 is short cylinder shape afterwards, and side is provided with oil filled port, exhaust outlet and cable and connects
Mouthful.Oil filled port plug 7 and 15 plug of exhaust outlet are separately connected and are fixed in oil filled port and exhaust outlet.The seat 19 that is screwed passes through outer
Side is threadedly coupled and is fixed on cable interface.18 one end of underwater electrical connector has thread head, is fastened on the seat 19 that is screwed
On.Rubbery human body 16 is the hemisphere shell sape with flange face, is bolted and is fixed between rear cabin 5 and rear end cap 8.Afterwards
End cap 8 is the truncated cone-shaped of perforation, and front side has counterbore, and rear side has threaded hole.Compressed spring 17 is mounted on 16 He of rubbery human body
Between rear pressing cover 9.Rear pressing cover 9 is disc, is bolted and is fixed on 8 rear side of rear end cap.
The course of work of the invention is as follows:
1, the part in addition to oil filled port plug 7, exhaust outlet plug 15, compressed spring 17 and rear pressing cover 9 is successively installed
Fastening;
2, oil charging motor is pressed into oil filled port towards underface, the mode of exhaust outlet towards surface is placed, by oil-filled pipeline
Connector be connected to oil filled port, be slowly internally filled with low viscosity hydraulic oil, internal original gas can be discharged from exhaust outlet;
3, when have hydraulic oil from exhaust outlet overflow when stop it is oil-filled, if stand a period of time after liquid level do not decline,
It is believed that inside has been filled with hydraulic oil and without air, the installation of exhaust outlet plug 15 is fastened on exhaust outlet with allen wrench;
4, entire oil charging motor is spun upside down after confirmation exhaust outlet is completely enclosed, i.e., oil filled port is vented towards surface
Mouth unloads the connector of oil-filled pipeline towards underface, is then fastened on the installation of oil filled port plug 7 with allen wrench oil-filled
On mouth, entire Oil feeding process is completed at this time;
5, compressed spring 17 is pressed in the plane of 16 rear side of rubbery human body using rear pressing cover 9, is pressed after blending bolt is fixed
Lid 9 makes rubbery human body 16 that a small amount of deformation inwardly occur, and enables inside oil charging motor in slight positive pressure state;
6, oil charging motor is mounted on fixed frame using the specific requirements of device according to different, output shaft 1 passes through shaft coupling
Device is connected with all kinds of loads, and underwater electrical connector 18 is connected on deep water battery flat or deep water control cabinet using watertight cable;
7, when device is transferred or is recycled, elastic shape can correspondingly be occurred according to sea water advanced variation rubbery human body 16
Become, to compensate internal pressure;
8, since the design decrement of compressed spring 17 is greater than the maximum deformation quantity of rubbery human body 16, therefore inside oil charging motor
Pressure can be slightly larger than extraneous seawater pressure always, to play better seal effect.
It is finally noted that the above enumerated are only specific embodiments of the present invention.It is clear that the invention is not restricted to
Upper embodiment can also have many variations.Those skilled in the art can from present disclosure directly export or
All deformations associated, are considered as protection scope of the present invention.
Claims (6)
1. a kind of compensation oil charging motor of deep sea pressure based on leather bag structure, including cabin;It is characterized in that, further including output
Axis, general stopper ring, motor, rubbery human body and compressed spring;
The cabin includes the columnar preceding cabin and rear cabin being connected by flanged joint block;
The preceding cabin front end is equipped with drive end bearing bracket, and drive end bearing bracket center is provided with through-hole, and output shaft is stairstepping, is mounted in drive end bearing bracket
In the through-hole of centre;The outer ring of rolling bearing is mounted on the through-hole step in drive end bearing bracket center, and inner ring is mounted on output shaft back segment
On step;
The rear deck body side surface is provided with oil filled port, exhaust outlet and cable interface, and wherein the position of oil filled port and exhaust outlet is opposite, fills
Hydraulic fluid port plug and exhaust outlet plug are separately connected and are fixed in oil filled port and exhaust outlet;The seat that is screwed is connected by outside screw
It is fixed on cable interface, underwater electrical connector one end has thread head, is fastened on and is screwed on seat;After described after cabin
End is equipped with rear end cap, and the rear end cap is the truncated cone-shaped of perforation, is equipped with rear pressing cover on rear side of rear end cap;The rubbery human body be with
The hemisphere shell sape of flange face is fixed between rear cabin and rear end cap;The compressed spring is mounted on rubbery human body and rear pressing cover
Between;
The motor is set in front deck body;Motor front end is connected with the drive end bearing bracket, and motor rear end is bolted on flange
On link block;It is integrated with electronic component in driving plate, is fixed on rear side of flanged joint block;Motor shaft is connected with the output shaft;
It is attached between motor, driving plate and underwater electrical connector by pressure resistance conducting wire.
2. pressure-compensated oil charging motor according to claim 1, which is characterized in that be provided with sealing on the inside of the drive end bearing bracket
Slot, the dynamic sealing for installing general stopper ring, as drive end bearing bracket and output shaft.
3. pressure-compensated oil charging motor according to claim 1, which is characterized in that the external side of front deck is equipped with recessed
Slot, for being fixedly connected by anchor ear with other assemblies.
4. pressure-compensated oil charging motor according to claim 1, which is characterized in that the motor is DC brushless motor
Or direct current metal brush motor.
5. pressure-compensated oil charging motor according to claim 1, which is characterized in that the oil filled port plug and exhaust outlet
Plug is the ED plug with grooved seal circle.
6. pressure-compensated oil charging motor according to claim 1, which is characterized in that the rubbery human body is nitrile rubber
The leather bag of material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910764295.2A CN110535277A (en) | 2019-08-19 | 2019-08-19 | A kind of compensation oil charging motor of deep sea pressure based on leather bag structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910764295.2A CN110535277A (en) | 2019-08-19 | 2019-08-19 | A kind of compensation oil charging motor of deep sea pressure based on leather bag structure |
Publications (1)
Publication Number | Publication Date |
---|---|
CN110535277A true CN110535277A (en) | 2019-12-03 |
Family
ID=68663904
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910764295.2A Pending CN110535277A (en) | 2019-08-19 | 2019-08-19 | A kind of compensation oil charging motor of deep sea pressure based on leather bag structure |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110535277A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111471576A (en) * | 2020-05-22 | 2020-07-31 | 杭州电子科技大学 | From deep sea microorganism normal position culture apparatus of taking pressure compensation |
CN114221474A (en) * | 2021-12-24 | 2022-03-22 | 海南浙江大学研究院 | Waterproof motor for electric joint of mechanical arm |
WO2022183973A1 (en) * | 2021-03-05 | 2022-09-09 | 中国科学院宁波材料技术与工程研究所 | Electric push rod |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2204466Y (en) * | 1994-06-30 | 1995-08-02 | 中国科学院沈阳自动化研究所 | Internal oil-filled permanent D.C motor working in deep water |
US5796197A (en) * | 1996-12-09 | 1998-08-18 | Franklin Electric Co., Inc. | Submersible motor sealing system |
CN2667783Y (en) * | 2003-12-22 | 2004-12-29 | 天津市富兰克电机工程有限公司 | Submersible electric motor |
CN1815852A (en) * | 2005-02-05 | 2006-08-09 | 中国科学院沈阳自动化研究所 | Underwater DC brushless oil-filled motor structure |
CN101752937A (en) * | 2008-12-05 | 2010-06-23 | 中国科学院沈阳自动化研究所 | Compensated underwater brushless DC motor structure and assembly method thereof |
CN107508500A (en) * | 2017-09-22 | 2017-12-22 | 宁波普乐菲智能科技有限公司 | Motor enters water starting switch and enters the dust catcher of water starting switch using motor |
CN207442590U (en) * | 2017-12-07 | 2018-06-01 | 新界泵业集团股份有限公司 | Water-filled electric machine |
CN208522573U (en) * | 2018-06-12 | 2019-02-19 | 郑州市神龙泵业有限公司 | A kind of well submersible electric motor |
-
2019
- 2019-08-19 CN CN201910764295.2A patent/CN110535277A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2204466Y (en) * | 1994-06-30 | 1995-08-02 | 中国科学院沈阳自动化研究所 | Internal oil-filled permanent D.C motor working in deep water |
US5796197A (en) * | 1996-12-09 | 1998-08-18 | Franklin Electric Co., Inc. | Submersible motor sealing system |
CN2667783Y (en) * | 2003-12-22 | 2004-12-29 | 天津市富兰克电机工程有限公司 | Submersible electric motor |
CN1815852A (en) * | 2005-02-05 | 2006-08-09 | 中国科学院沈阳自动化研究所 | Underwater DC brushless oil-filled motor structure |
CN101752937A (en) * | 2008-12-05 | 2010-06-23 | 中国科学院沈阳自动化研究所 | Compensated underwater brushless DC motor structure and assembly method thereof |
CN107508500A (en) * | 2017-09-22 | 2017-12-22 | 宁波普乐菲智能科技有限公司 | Motor enters water starting switch and enters the dust catcher of water starting switch using motor |
CN207442590U (en) * | 2017-12-07 | 2018-06-01 | 新界泵业集团股份有限公司 | Water-filled electric machine |
CN208522573U (en) * | 2018-06-12 | 2019-02-19 | 郑州市神龙泵业有限公司 | A kind of well submersible electric motor |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111471576A (en) * | 2020-05-22 | 2020-07-31 | 杭州电子科技大学 | From deep sea microorganism normal position culture apparatus of taking pressure compensation |
CN111471576B (en) * | 2020-05-22 | 2023-03-14 | 杭州电子科技大学 | From deep sea microorganism normal position culture apparatus of taking pressure compensation |
WO2022183973A1 (en) * | 2021-03-05 | 2022-09-09 | 中国科学院宁波材料技术与工程研究所 | Electric push rod |
CN114221474A (en) * | 2021-12-24 | 2022-03-22 | 海南浙江大学研究院 | Waterproof motor for electric joint of mechanical arm |
CN114221474B (en) * | 2021-12-24 | 2023-11-21 | 海南浙江大学研究院 | Waterproof motor for electric joint of mechanical arm |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN110535277A (en) | A kind of compensation oil charging motor of deep sea pressure based on leather bag structure | |
CN106370542B (en) | Sealing and the cooling system of fretting corrosion testing stand are simulated deeply in a kind of full sea | |
CN204407170U (en) | A kind of even pressure type transformer under water | |
CN109282133A (en) | The spade rudder system grease adding method and its recruitment evaluation method for thering is support tube to be keyed | |
CN103700793B (en) | There is the lithium battery group of auto-compensation deep-water pressure function | |
CN202076886U (en) | Oil-filled pressure-compensated type deep sea motor | |
CN207022368U (en) | A kind of underwater installation heat abstractor | |
CN203218812U (en) | Great-depth isolation type oil pressure compensation junction box | |
CN108736626A (en) | Underwater linear motor and underwater switching action tool | |
CN109244718B (en) | Film type pressure balance watertight joint | |
CN108593283B (en) | Testing device and method for simulating connection transmission of deep sea ROV driving motor | |
CN208437908U (en) | Oil seal pressing device | |
CN103192964B (en) | The mechanical device of seabed observation network scientific instrument jack module | |
CN202632423U (en) | Waterproof sealing structure of intelligent integrated circuit (IC) card water meter controller | |
CN104141737A (en) | Underwater speed reduction drive mechanism | |
CN201660104U (en) | Buoy self-sinking electric control device | |
CN207346066U (en) | Submarine navigation device | |
CN108001622A (en) | One kind bears electric change under water | |
CN207636287U (en) | Underwater well head system seal assembly experimental rig | |
CN208299587U (en) | Underwater linear motor and underwater switching action tool | |
CN102537348B (en) | Multi-channel underwater feeding device | |
CN201716288U (en) | Apparatus for measuring and controlling dissolved oxygen and measuring probe head thereof | |
CN104141790A (en) | Sealing device for underwater speed reduction drive mechanism | |
CN200940577Y (en) | Easy detatchable cablle tappingdevice of submersible pump shaft | |
CN110388307A (en) | A kind of device using deep-sea hydrothermal vent hydrothermal solution kinetic energy power generation |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191203 |