CN202686734U - Electric propulsion system for large-scale special engineering ship - Google Patents
Electric propulsion system for large-scale special engineering ship Download PDFInfo
- Publication number
- CN202686734U CN202686734U CN 201220336691 CN201220336691U CN202686734U CN 202686734 U CN202686734 U CN 202686734U CN 201220336691 CN201220336691 CN 201220336691 CN 201220336691 U CN201220336691 U CN 201220336691U CN 202686734 U CN202686734 U CN 202686734U
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- stern
- fuel cell
- shaft seal
- lubricating oil
- leakproof fuel
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Abstract
The utility model discloses an electric propulsion system for a large-scale special engineering ship. The existing device does not fully use the flexibility of the electric propulsion system on driving structure composition. Oil often leaks out from a lubricating oil stern tube sealing device, oil consumption is increased, lubricating is not well conducted, shafting work is affected, and water surface is polluted. A propeller system is connected with one end of a propeller shaft and driven through rotation of the propeller shaft, and a middle transmission shaft system is connected with the other end of the propeller shaft. The propeller shaft is arranged in an integral stern tube, a rear stern tube sealing device is arranged at a connecting position of the propeller shaft and the propeller system, and a front stern tube sealing device is arranged on the propeller shaft close to the middle transmission shaft system. The electric propulsion system replaces a traditional propulsion form of a large-scale main diesel engine and a large rudder blade, omits a tail side thruster, a steering engine system and the like, and does not need a special cooling system, and therefore hold capacity is saved, and installing is simplified.
Description
Technical field
The utility model belongs to the Naval Architecture and Ocean Engineering technical field, is specifically related to a kind of large special engineering ship electric propulsion system.
Background technology
The special engineered boats and ships in ocean mainly refer to provide for marine operation such as seat transport, seafari, marine drilling, offshore oil productions engineering ship and the work boats and ships of service and safety control.For example, ocean half hightech, the high added value Special Ship that carrier etc. has specific function of diving.With regard to China, oneself the marine oil reserves through verifying are 12.5 hundred million tons, and gas reserve is 2350 billion cubic meters, if will fully exploit, then need build a large amount of drilling wells and assistance platform, lays a large amount of oil and gas pipes.For Large Offshore Structures, need to there be a kind of special boats and ships that it is delivered, and half carrier of diving is specialized in the ultralong overweights such as the large-scale offshore drilling platforms of transportation, petrol storage tank, large dredger, warship, submarine, large power generating equipment, large-sized gantry hang, precast bridge member just, but can't cut apart the new special engineering ship of the large equipment of handling.
The design of electric propulsion system is one of Focal point and difficult point of large special engineering ship design, and the reasonableness of its structure is directly connected to propulsion coefficient, maneuvering performance, stability and the energy-conserving and environment-protective performance of large special engineering ship.But present conventional ocean engineering ship electric propulsion system is designed with following defective: just simply replace conventional diesel engine by main motor, do not take full advantage of the alerting ability of electric propulsion system on drive configuration forms; The frequent leakage of oil of lubricating oil stern shaft sealing has not only increased oil consumption, causes insufficient lubrication, and affecting axle is work, especially can pollution water surfaces.
Summary of the invention
The utility model provides a kind of large special engineering ship electric propulsion system for the deficiencies in the prior art.
The technical scheme that its technical matters that solves the utility model adopts is:
The utility model is comprised of propeller system, prop shaft, integral type stern tube, rear stern shaft seal gland, front stern shaft seal gland, intermediate transmission axle system.
Propeller system is connected with an end of prop shaft, and by the rotating drive propeller system of prop shaft, the intermediate transmission axle system is connected with the other end of prop shaft; Described prop shaft is arranged in the integral type stern tube, and prop shaft and propeller system junction are provided with rear stern shaft seal gland, and prop shaft is provided with front stern shaft seal gland near intermediate transmission axle system place.
Employing is watered epoxy and is fixed the anticorrosion spelter that the anticorrosion dependence equipment of integral type stern tube provides between described integral type stern tube and the hull.
Described front stern shaft seal gland and rear stern shaft seal gland form the stern shaft seal system, and the stern shaft seal system also comprises the unit such as gas feeder, air control unit, leakproof fuel cell, lubricating oil tank, harvester and oil-water collecting device; Gas feeder is connected with the import of air control unit, for the air control unit provides pressurized air; The outlet of air control unit is connected with the import of leakproof fuel cell, the import of lubricating oil tank simultaneously, enters the pressurized air in the leakproof fuel cell, forms a barrier layere, and the lubricating oil in the leakproof fuel cell and seawater are thoroughly separated, and the effluent that makes the stern shaft seal system is zero; Harvester is used for the pressure of measurement seawater and the pressure in the leakproof fuel cell, by being located at the throttle nozzle in the air control unit, regulates entering the compressed air require in the leakproof fuel cell and entering the interior compressed air require of lubricating oil tank; The import of oil-water collecting device connects with outlet, the outlet of lubricating oil tank, the harvester of leakproof fuel cell respectively; By the control of harvester, seawater unnecessary in leakproof fuel cell, the lubricating oil tank or oil are automatically collected.
The beneficial effects of the utility model are:
1, adopts novel electric propulsion system, substituted traditional large-scale main diesel engine, huge rudder blade Promoting Form, cancelled stern thruster, steering gear system etc., do not need special cooling system, thereby saved volume of compartment, simplified installation.Have that noise is low, little, the exhaust emission minimizing of vibration, propulsion coefficient advantages of higher.
2, twin screw can be turned round by 360 degree, cooperates the DP dynamic positioning system, can control boats and ships and handle flexibly in minimum turning radius and scope, and the realization boats and ships are accurately located, still can be unaffected even meet with the strong gale wave.
3, integrated pouring stern tube makes things convenient for the location and installation of stern tube system, has accelerated ship building period, has reduced construction cost.
4, the application of novel stern shaft seal system, the effluent that makes the ship axle sealing system is zero, both can increase the reliability of boats and ships, can be conducive to marine environmental protection again.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is integral type stern tube A-A view among Fig. 1;
Fig. 3 is integral type stern tube B-B view among Fig. 1;
Fig. 4 is the stern shaft seal system diagram.
Among the figure: 1-propeller system, stern shaft seal gland behind the 2-, 3-prop shaft, 4-integral type stern tube, stern shaft seal gland before the 5-, 6-intermediate transmission axle system, 7-induction opening, the 8-fuel feed hole, 9-drain gutter, 10-rear bearing temperature sensor, 11-front bearing temperature sensor, the anticorrosion spelter of 12-, 13-stern tube oil outlet, the 14-gas feeder, 15-air control unit, 16-leakproof fuel cell, the 17-lubricating oil tank, 18-harvester, 19-oil-water collecting device.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further specified.
As shown in Figure 1, the utility model mainly is comprised of propeller system 1, prop shaft 3, integral type stern tube 4, rear stern shaft seal gland 2, front stern shaft seal gland 5, intermediate transmission axle system 6.
Propeller system is connected with an end of prop shaft, and by the rotating drive propeller system of prop shaft, the intermediate transmission axle system is connected with the other end of prop shaft; Described prop shaft is arranged in the integral type stern tube, and prop shaft and propeller system junction are provided with rear stern shaft seal gland, and prop shaft is provided with front stern shaft seal gland near intermediate transmission axle system place.Propeller system is an independently propulsion die, is directly linked to each other with propelling screws by propulsion electric machine, hangs in hull bottom.Propulsion die does not need traditional steering gear system and corresponding steering unit, can turn round by 360 degree, and the azimuth of propelling can be controlled and regulate artificially.Propulsion die cooperates the DP dynamic positioning system, can control boats and ships and handle flexibly in minimum turning radius and scope, and the realization boats and ships are accurately located.
The intermediate transmission axle system mainly is comprised of tween drive shaft, hydraulic sleeve type vibration plunging joint, middle bearing, brake gear, shafting grounding device, bulkhead stuffing box, turning gear, gear case, acquisition of signal case, lock shaft device etc.This ship is twin shafting, and another electric propulsion system is symmetrical therewith.
Employing is watered epoxy and is fixed the anticorrosion spelter that the anticorrosion dependence equipment of integral type stern tube provides between integral type stern tube and the hull.
As shown in Figures 2 and 3, integral type stern tube 4 is provided with induction opening 7, fuel feed hole 8, drain gutter 9, rear bearing temperature sensor 10, front bearing temperature sensor 11, anticorrosion spelter 12, stern tube oil outlet 13.Adopt between integral type stern tube 4 and the hull and water epoxy and fix, thickness is 20mm.The anticorrosion spelter 12 that the anticorrosion dependence equipment of integral type stern tube 4 provides is processed.
As shown in Figure 4, front stern shaft seal gland 5 forms the stern shaft seal system with rear stern shaft seal gland 2, and the stern shaft seal system comprises that also gas feeder 14, air control unit 15, leakproof fuel cell 16, lubricating oil tank 17, harvester 18, oil-water collecting device 19 form.Front stern shaft seal gland and rear stern shaft seal gland form the stern shaft seal system, and gas feeder is connected with the import of air control unit, and for the air control unit provides pressurized air, going out atmospheric pressure is 5-10bar; The outlet of air control unit is connected with the import of leakproof fuel cell, the import of lubricating oil tank simultaneously, enters the pressurized air in the leakproof fuel cell, forms a barrier layere, and the lubricating oil in the leakproof fuel cell and seawater are thoroughly separated, and the effluent that makes the stern shaft seal system is zero.Harvester is used for measuring the pressure of seawater and the pressure in the leakproof fuel cell, by being located at the throttle nozzle in the air control unit, regulates the compressed air require that enters in the leakproof fuel cell, realizes the balance between sea pressure and the leakproof fuel cell internal pressure.In addition, harvester also can gather the drauht situation of change, is located at the throttle nozzle in the air control unit, regulates the compressed air require that enters in the lubricating oil tank, guarantees that the oil sealing position of stern shaft seal system is in the optimal load state.The import of oil-water collecting device connects with outlet, the outlet of lubricating oil tank, the harvester of leakproof fuel cell respectively; By the control of harvester, seawater unnecessary in leakproof fuel cell, the lubricating oil tank or oil are automatically collected.
Claims (1)
1. large special engineering ship electric propulsion system is comprised of propeller system, prop shaft, integral type stern tube, rear stern shaft seal gland, front stern shaft seal gland, intermediate transmission axle system, it is characterized in that:
Propeller system is connected with an end of prop shaft, and by the rotating drive propeller system of prop shaft, the intermediate transmission axle system is connected with the other end of prop shaft; Described prop shaft is arranged in the integral type stern tube, and prop shaft and propeller system junction are provided with rear stern shaft seal gland, and prop shaft is provided with front stern shaft seal gland near intermediate transmission axle system place;
Employing is watered epoxy and is fixed the anticorrosion spelter that the anticorrosion dependence equipment of integral type stern tube provides between described integral type stern tube and the hull;
Described front stern shaft seal gland and rear stern shaft seal gland form the stern shaft seal system, and the stern shaft seal system also comprises the unit such as gas feeder, air control unit, leakproof fuel cell, lubricating oil tank, harvester and oil-water collecting device; Gas feeder is connected with the import of air control unit, for the air control unit provides pressurized air; The outlet of air control unit is connected with the import of leakproof fuel cell, the import of lubricating oil tank simultaneously, enters the pressurized air in the leakproof fuel cell, forms a barrier layere, and the lubricating oil in the leakproof fuel cell and seawater are thoroughly separated, and the effluent that makes the stern shaft seal system is zero; Harvester is used for the pressure of measurement seawater and the pressure in the leakproof fuel cell, by being located at the throttle nozzle in the air control unit, regulates entering the compressed air require in the leakproof fuel cell and entering the interior compressed air require of lubricating oil tank; The import of oil-water collecting device connects with outlet, the outlet of lubricating oil tank, the harvester of leakproof fuel cell respectively; By the control of harvester, seawater unnecessary in leakproof fuel cell, the lubricating oil tank or oil are automatically collected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220336691 CN202686734U (en) | 2012-07-12 | 2012-07-12 | Electric propulsion system for large-scale special engineering ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220336691 CN202686734U (en) | 2012-07-12 | 2012-07-12 | Electric propulsion system for large-scale special engineering ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202686734U true CN202686734U (en) | 2013-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220336691 Expired - Fee Related CN202686734U (en) | 2012-07-12 | 2012-07-12 | Electric propulsion system for large-scale special engineering ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202686734U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102730178A (en) * | 2012-07-12 | 2012-10-17 | 浙江大学舟山海洋研究中心 | Electric propulsion system of large self-propelling semi-submersible transport ship |
| CN106741799A (en) * | 2017-01-09 | 2017-05-31 | 宜昌东江造船有限公司 | Trailing axle and tube peculiar to vessel and installation method |
| CN112027047A (en) * | 2020-08-27 | 2020-12-04 | 上海外高桥造船有限公司 | Improved structure of stern shaft tube |
-
2012
- 2012-07-12 CN CN 201220336691 patent/CN202686734U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102730178A (en) * | 2012-07-12 | 2012-10-17 | 浙江大学舟山海洋研究中心 | Electric propulsion system of large self-propelling semi-submersible transport ship |
| CN102730178B (en) * | 2012-07-12 | 2015-06-17 | 浙江大学舟山海洋研究中心 | Electric propulsion system of large self-propelling semi-submersible transport ship |
| CN106741799A (en) * | 2017-01-09 | 2017-05-31 | 宜昌东江造船有限公司 | Trailing axle and tube peculiar to vessel and installation method |
| CN106741799B (en) * | 2017-01-09 | 2019-08-09 | 宜昌东江造船有限公司 | Trailing axle and tube and installation method peculiar to vessel |
| CN112027047A (en) * | 2020-08-27 | 2020-12-04 | 上海外高桥造船有限公司 | Improved structure of stern shaft tube |
| CN112027047B (en) * | 2020-08-27 | 2021-10-15 | 上海外高桥造船有限公司 | Improved structure of stern shaft tube |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20150712 |
|
| EXPY | Termination of patent right or utility model |