CN114802679A - Marine fixed pitch oar type lateral propulsion device - Google Patents
Marine fixed pitch oar type lateral propulsion device Download PDFInfo
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- CN114802679A CN114802679A CN202210275869.1A CN202210275869A CN114802679A CN 114802679 A CN114802679 A CN 114802679A CN 202210275869 A CN202210275869 A CN 202210275869A CN 114802679 A CN114802679 A CN 114802679A
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- cover
- hydraulic motor
- bearing
- propeller
- hydraulic
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- 239000003921 oil Substances 0.000 claims description 40
- 239000010687 lubricating oil Substances 0.000 claims description 39
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 9
- 239000011701 zinc Substances 0.000 claims description 9
- 229910052725 zinc Inorganic materials 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000005461 lubrication Methods 0.000 description 7
- 230000002035 prolonged effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/12—Use of propulsion power plant or units on vessels the vessels being motor-driven
- B63H21/165—Use of propulsion power plant or units on vessels the vessels being motor-driven by hydraulic fluid motor, i.e. wherein a liquid under pressure is utilised to rotate the propelling means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/38—Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like
- B63H21/386—Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like for handling lubrication liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
- B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
- B63H5/125—Arrangements on vessels of propulsion elements directly acting on water of propellers movably mounted with respect to hull, e.g. adjustable in direction, e.g. podded azimuthing thrusters
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a marine fixed pitch propeller type lateral propelling device which comprises a cylinder body, wherein a hydraulic valve group is arranged above the outer side of the cylinder body, a hydraulic motor is arranged on the inner side of the cylinder body, a hose assembly is connected between the hydraulic motor and the hydraulic valve group, a horizontally arranged propeller shaft is connected to the output shaft end of the hydraulic motor, a propeller hub is sleeved at the end, far away from the hydraulic motor, of the propeller shaft, a plurality of propeller blades are connected to the propeller hub, a bearing cover is connected to the side, close to the hydraulic motor, of the propeller hub, two conical roller bearings are arranged in the bearing cover, a motor cover covering the outer side of the hydraulic motor is connected to the side, close to the hydraulic motor, of the bearing cover, and a flow guide cover is arranged on the side, far away from the hydraulic motor, of the propeller hub. The invention has the beneficial effects that: the hydraulic motor and the hydraulic valve group form a comprehensive hydraulic pump station, the operation is flexible, the installation and the maintenance are convenient, and the failure rate is low; the hydraulic motor is directly connected with the propeller shaft, so that the gear transmission is reduced, the noise is low, the installation size is small, and the hydraulic motor is suitable for various ship types.
Description
Technical Field
The invention relates to the technical field of ship lateral thrusters, in particular to a fixed-pitch propeller type lateral propelling device for a ship.
Background
In order to further improve the maneuverability and operability of a ship during navigation, a lateral thruster is widely used for various ships. The lateral thruster is arranged in a transverse conduit of a cabin or a ship and generates lateral thrust to a ship body. Marine propulsion is an important component of marine power plants, conventional side thrusters, in which a drive motor (or other prime mover such as a hydraulic motor, diesel engine, etc.) drives a drive shaft of a side thrust unit, which rotates a propeller shaft via a bevel gear which engages. However, the structure connected with the propeller shaft through the gear has large noise, large structure volume and large installation space; meanwhile, the operation flexibility is poor, the failure rate is high, the gear lubrication effect is poor, and the service life is short.
Disclosure of Invention
The present invention is directed to a pitch-controlled paddle type lateral propulsion device for ships, which solves the above-mentioned problems of the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a marine pitch-propeller-type lateral propulsion device comprises a cylindrical body, the axial direction of the cylindrical body is horizontally arranged, a hydraulic valve group is arranged above the outer side of the cylinder body, a hydraulic motor is arranged on the inner side of the cylinder body, a hose assembly is connected between the hydraulic motor and the hydraulic valve bank, the hydraulic motor is horizontally arranged, the output shaft end of the propeller shaft is connected with a propeller shaft which is horizontally arranged, the end of the propeller shaft far away from the hydraulic motor is sleeved with a propeller hub, the propeller hub is connected with a plurality of propeller blades, the side surface of the propeller hub close to the hydraulic motor is connected with a bearing cover, two tapered roller bearings are arranged in the bearing cover, the two tapered roller bearings are sleeved on the propeller shaft, the side surface of the bearing cover close to the hydraulic motor is connected with a motor cover covering the outer side of the hydraulic motor, and the side surface of the propeller hub far away from the hydraulic motor is provided with a flow guide cover.
Further preferably, be equipped with first lubricated oil duct on the bearing cap, first lubricated oil duct is equipped with two ports, be connected with lubricated oil pipe between a port of first lubricated oil duct and the hydraulic valve group, another port intercommunication bearing cap's of first lubricated oil duct inside just is located between two tapered roller bearings.
Further preferably, the outside cover of lubricated oil pipe and hose assembly is equipped with the oil pipe protection casing, the one end of oil pipe protection casing is connected with the motor casing, the other end of oil pipe protection casing is connected with the apron, the apron is installed in the outside of cylinder, the last main oil port that is connected with the hose assembly that is equipped with of hydraulic motor, the last draining port that is connected with lubricated oil pipe that is equipped with of hydraulic motor.
Preferably, a second lubricating oil channel is arranged on the propeller shaft, three ports are formed in the second lubricating oil channel, one port of the second lubricating oil channel is communicated with the inside of the bearing cover and is located between the two tapered roller bearings, a second port of the second lubricating oil channel is arranged at the end, close to the propeller hub, of the bearing cover and is communicated with the inside of the bearing cover, and a third port of the lubricating oil channel is arranged at the end, close to the hydraulic motor, of the propeller shaft.
Preferably, a bearing front cover is arranged between the bearing cover and the propeller hub, a bearing rear cover is arranged between the bearing cover and the motor cover, and space rings are arranged between the bearing front cover and the bearing rear cover and the conical roller bearings close to the bearing front cover and the bearing rear cover respectively.
Preferably, a skeleton seal is arranged between the bearing front cover and the propeller shaft, the bearing rear cover is connected with the motor cover, and a sealing ring is arranged between the bearing rear cover and the motor cover.
Preferably, a key is embedded between the hubs of the propeller shaft, an elastic cylindrical pin is embedded in the middle of the key on the propeller shaft, and the end of the elastic cylindrical pin is inserted into the key.
Preferably, a fastening bolt penetrates through the middle of the flow guide cover, the fastening bolt is in threaded connection with the propeller shaft, and O-shaped rings are arranged between the flow guide cover and the propeller hub and between the flow guide cover and the fastening bolt.
Further preferably, the hydraulic valve group is provided with an oil inlet, a lubricating oil port and an oil return port, four lifting bolts in a rectangular array are arranged above the outer side of the cylinder, and four mounting supports in the rectangular array are arranged below the outer side of the cylinder.
Further preferably, be connected with a plurality of connecting plates between bearing cap and the cylinder, it is a plurality of the connecting plate all adopts welded connection with bearing cap, cylinder, and is a plurality of all be equipped with anticorrosive zinc block on the connecting plate.
Has the advantages that: according to the marine fixed pitch propeller type lateral propelling device, the hydraulic pressure and the flow of the hydraulic motor are realized through the hydraulic valve bank, the regulation of the rotating speed of the hydraulic motor is realized, so that the rotating speed and the steering of the propeller blades are regulated, and the thrust direction of the lateral propelling of the propelling device are changed; the propeller shaft is driven to rotate through the rotation of the hydraulic motor, so that the propeller blades are driven to rotate, and the propelling function of the propelling device is realized; the hydraulic motor and the hydraulic valve group form a comprehensive hydraulic pump station, control can be realized in a cabin, remote control can also be performed in a cab through a control panel, operation is flexible, installation and maintenance are convenient, and the failure rate is low; the tapered roller bearing can bear radial load and axial load brought by the propeller shaft, ensures stable rotation of the propeller shaft, prolongs the service life of the propeller shaft, improves the stability of the propulsion device, reduces noise, prolongs the service life, and simultaneously improves the service life of the tapered roller bearing through sealing protection of the tapered roller bearing; through the arrangement of the first lubricating oil channel and the second lubricating oil channel, the lubricating effect of the tapered roller bearing can be improved, the occurrence of accelerated wear caused by insufficient lubrication is reduced, and the service life of the tapered roller bearing is prolonged; the hydraulic motor is directly connected with the propeller shaft, gear transmission is reduced, noise is reduced by one third in the using process compared with a common propeller, the installation size is greatly reduced, more space is saved for ships, and the propeller is suitable for various ship types, particularly ships with higher requirements on noise and product volume, such as cruise ships, waterborne buses, sightseeing ships and the like.
Drawings
Fig. 1 is a partially sectional schematic structural view of a marine pitch propeller type lateral propulsion device according to an embodiment of the present invention;
fig. 2 is a front view schematically illustrating a pitch propeller type lateral propulsion device for a ship according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a hydraulic motor according to an embodiment of the present invention.
Reference numerals: 1-cylinder, 2-hydraulic valve group, 3-hydraulic motor, 4-hose assembly, 5-propeller shaft, 6-propeller hub, 7-propeller blade, 8-bearing cap, 9-tapered roller bearing, 10-motor cover, 11-bearing front cap, 12-bearing rear cap, 13-flow guide cap, 14-fastening bolt, 15-first lubricating oil cap, 16-lubricating oil pipe, 17-second lubricating oil channel, 18-spacer ring, 19-skeleton seal, 20-key, 21-elastic cylindrical pin, 22-oil pipe protective cover, 23-cover plate, 24-oil inlet, 25-lubricating oil port, 26-oil return port, 27-lifting ring screw, 28-connecting plate, 29-anticorrosion zinc block, 30-mounting support, 31-a main oil port and 32-an oil drainage port.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1-3, a marine pitch propeller type lateral propulsion device comprises a cylinder 1, a hydraulic valve group 2 and a hydraulic motor 3, wherein the hydraulic valve group 2 is arranged above the outer side of the cylinder 1, the hydraulic motor 3 is arranged on the inner side of the cylinder 1 and horizontally arranged, an output shaft end of the hydraulic motor 3 is connected with a horizontally arranged propeller shaft 5, the hydraulic motor 3 is connected with the hydraulic valve group 2 through a hose assembly 4, a propeller hub 6 is sleeved at the end, far away from the hydraulic motor 3, of the propeller shaft 5, and the propeller hub 6 is connected with a plurality of propeller blades 7; the hydraulic pressure and the flow of the hydraulic motor 3 are realized through the hydraulic valve group 2, the regulation of the rotating speed of the hydraulic motor 3 is realized, and the regulation of the rotating speed of the hydraulic motor 3 between 0 and 300RPM is realized, so that the regulation of the rotating speed and the steering of the propeller blade 7 is regulated, and the thrust direction of the side thrust of the propulsion device are changed; the propeller shaft 5 is driven to rotate through the rotation of the hydraulic motor 3, the propeller hub 6 is driven to rotate through the rotation of the propeller shaft 5, and the propeller blades 7 connected with the propeller hub are driven to rotate, so that the propelling function of the propelling device is realized; the hydraulic motor 3 and the hydraulic valve group 2 form a comprehensive hydraulic pump station, so that control can be realized in a cabin, remote control can also be performed in a cab through a control panel, the operation is flexible, the installation and maintenance are convenient, and the failure rate is low; the hydraulic motor 3 is directly connected with the propeller shaft 5, so that gear transmission is reduced, noise is reduced by one third in comparison with a common propeller in the using process, the installation size is greatly reduced, more space is saved for ships, and the propeller is suitable for various ship types, particularly ships with higher requirements on noise and product volume, such as cruise ships, waterborne buses, sightseeing ships and the like.
In the application, a bearing cover 8 is connected to the side surface of the propeller hub 6 close to the hydraulic motor 3, two tapered roller bearings 9 are arranged in the bearing cover 8, the two tapered roller bearings 9 are both sleeved on the propeller shaft 5, a motor cover 10 covering the outer side of the hydraulic motor 3 is connected to the side surface of the bearing cover 8 close to the hydraulic motor 3, and a diversion cover 13 is arranged on the side surface of the propeller hub 6 far from the hydraulic motor 3; a bearing front cover 11 is arranged between the bearing cover 8 and the propeller hub 6, and a bearing rear cover 12 is arranged between the bearing cover 8 and the motor cover 10. By the bearing cover 8, the motor cover 10, the bearing front cover 11, the bearing rear cover 12 and the flow guide cover 13, the sealing protection of the hydraulic motor 3, the propeller shaft 5 and the tapered roller bearing 9 is realized, and the service lives of the hydraulic motor 3, the propeller shaft 5 and the tapered roller bearing 9 are prolonged; a space ring 18 is arranged between the bearing front cover 11 and the bearing rear cover 12 and the adjacent tapered roller bearing 9 respectively and is used for limiting the position of the tapered roller bearing 9; a skeleton seal 19 is arranged between the bearing front cover 11 and the propeller shaft 5, and an O-shaped ring is arranged between the bearing rear cover 12 and the bearing cover 8, so that the sealing effect of the inner space of the bearing cover 8 is realized; the tapered roller bearings 9 can bear radial load brought by the propeller shaft 5, the two tapered roller bearings 9 are symmetrically sleeved on the propeller shaft 5, axial load generated on the propeller shaft 5 can be balanced, rotation stability of the propeller shaft 5 is guaranteed, the service life of the propeller shaft 5 is prolonged, stability of the propelling device is improved, noise is reduced, and the service life is prolonged.
In the application, a first lubricating oil channel 15 is arranged on the bearing cover 8, the first lubricating oil channel 15 is provided with two ports, a lubricating oil pipe 16 is connected between one port of the first lubricating oil channel 15 and the hydraulic valve group 2, and the other port of the first lubricating oil channel 15 is communicated with the inside of the bearing cover 8 and is positioned between the two tapered roller bearings 9; a second lubricating oil channel 17 is arranged on the propeller shaft 5, three ports are arranged in the second lubricating oil channel 17, one port of the second lubricating oil channel 17 is communicated with the inside of the bearing cover 8 and is positioned between the two tapered roller bearings 9, a second port of the second lubricating oil channel 17 is arranged at the end, close to the hub 6, of the bearing cover 8 and is communicated with the inside of the bearing cover 8, and a third port of the lubricating oil channel 17 is arranged at the end, close to the hydraulic motor 3, of the propeller shaft 5. Lubricating oil enters the lubricating oil pipe 16 through the lubricating oil port 25 on the hydraulic valve group 2, then enters the first lubricating oil channel 15, finally flows into the bearing cover 8, and the lubrication of the tapered roller bearing 9 arranged in the bearing cover 8 is realized, so that the rotating effect of the tapered roller bearing 9 is ensured, and the service life of the tapered roller bearing 9 is prolonged. Meanwhile, the lubricating oil flowing into the bearing cover 8 can flow to the other two ports through the port of the second lubricating oil channel 17 located between the two tapered roller bearings 9, then flow into the two ends of the bearing cover 8 through the other two ports, and flow into the two opposite side faces of the two tapered roller bearings 9, so that the comprehensive lubrication of the two tapered roller bearings 9 and the lubrication of the framework seal 19 are realized, the lubrication effect of the tapered roller bearings 9 is further improved, the occurrence of accelerated wear due to insufficient lubrication is reduced, and the service life of the tapered roller bearings 9 is prolonged.
In the application, an oil pipe protective cover 22 is sleeved on the outer sides of the lubricating oil pipe 16 and the hose assembly 4, one end of the oil pipe protective cover 22 is connected with the motor cover 10, the other end of the oil pipe protective cover 22 is connected with a cover plate 23, and the cover plate 23 is installed on the outer side of the cylinder body 1, so that the lubricating oil pipe 16 and the hose assembly 4 are protected, and meanwhile, the sealing performance of the motor cover 10 is improved; the hydraulic motor 3 is provided with a main oil port 31 connected with the hose assembly 4, the main oil port 31 is connected with the hose assembly 4, hydraulic oil flowing in the hydraulic valve group 2 through the oil inlet 24 can be conveyed to the hydraulic motor 3, and the rotating speed of the hydraulic motor can be adjusted; the hydraulic motor 3 is provided with an oil drain port 32 connected with the lubricating oil pipe 16, and the oil drain port is used for allowing lubricating oil to enter the hydraulic motor 3 to lubricate the internal structure of the hydraulic motor 3.
In this application, lid 12 is connected with motor housing 10 behind the bearing, is equipped with the sealing washer behind the bearing between lid 12 and the motor housing 10, improves the inside sealing performance of bearing cap 8, prevents that the lubricating oil in the bearing cap 8 from leaking.
In the application, the key 20 is embedded between the propeller hubs 6 of the propeller shafts 5 and used for positioning and fixing the propeller hubs 6 and the propeller shafts 5, the connection mode is simple, and the assembly is easy; an elastic cylindrical pin 21 is embedded in the middle of the key 20 on the propeller shaft 5, and the end part of the elastic cylindrical pin 21 is inserted on the key 20, so that the key 20 is prevented from loosening in the long-term rotation process of the propeller shaft 5, and the connection performance of the propeller hub 6 and the propeller shaft 5 is further improved.
In this application, fastening bolt 14 is worn to be equipped with in the centre of kuppe 13, and fastening bolt 14 and 5 spiro unions of propeller shaft realize the axial fixity of propeller hub 6 through fastening bolt 14, all are equipped with O shape circle between kuppe 13 and propeller hub 6 and the fastening bolt 14, can prevent that rivers from flowing into the inside of kuppe 13, lead to propeller shaft 5 to lead to rustting or corroding because of soaking for a long time, improve propeller shaft 5's life.
In the application, the hydraulic valve bank 2 is provided with an oil return port 26 which is arranged in cooperation with the oil inlet 24, so that smooth circulation of hydraulic oil between the hydraulic valve bank 2 and the hydraulic motor 3 is ensured; four lifting ring screws 27 in a rectangular array are arranged above the outer side of the cylinder body 1, so that the propulsion device can be conveniently hoisted and carried; four mounting supports 30 in a rectangular array are arranged below the outer side of the cylinder 1 and used for supporting the cylinder 1, and the propulsion device is guaranteed to be fixed stably.
In the application, a plurality of connecting plates 28 are connected between the bearing cover 8 and the cylinder body 1, and the connecting plates 28 are connected with the bearing cover 8 and the cylinder body 1 by welding, so that the connecting mode is simple and the connection is firm; all be equipped with anticorrosive zinc piece 29 on a plurality of connecting plates 28, connecting plates 28 are mostly steel material, and easy oxygen uptake corrodes in water or sea water, and anticorrosive zinc piece 29 is the zinc material, because the liveness of zinc is greater than iron, so zinc preferentially loses electron and takes place oxidation reaction to reduce the corrosivity of connecting plate 28, but anticorrosive zinc piece 29 needs the periodic replacement.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the content of the present invention within the scope of the protection of the present invention.
Claims (10)
1. A marine pitch propeller type lateral propulsion device is characterized in that: the device comprises a cylinder body (1), wherein the cylinder body (1) is axially and horizontally arranged, a hydraulic valve group (2) is arranged above the outer side of the cylinder body (1), a hydraulic motor (3) is arranged on the inner side of the cylinder body (1), a hose assembly (4) is connected between the hydraulic motor (3) and the hydraulic valve group (2), the hydraulic motor (3) is horizontally arranged, an output shaft end of the hydraulic motor (3) is connected with a horizontally arranged propeller shaft (5), a propeller hub (6) is sleeved at the end, far away from the hydraulic motor (3), of the propeller shaft (5), a plurality of propeller blades (7) are connected with the propeller hub (6), a bearing cover (8) is connected to the side, close to the hydraulic motor (3), of the propeller hub (6), two conical roller bearings (9) are arranged in the bearing cover (8), and the two conical roller bearings (9) are all sleeved on the propeller shaft (5), the side surface of the bearing cover (8) close to the hydraulic motor (3) is connected with a motor cover (10) covering the outer side of the hydraulic motor (3), and the side surface of the propeller hub (6) far away from the hydraulic motor (3) is provided with a flow guide cover (13).
2. A marine pitch propeller type lateral propulsion device according to claim 1, wherein: be equipped with first lubricated oil duct (15) on bearing cap (8), first lubricated oil duct (15) are equipped with two ports, be connected with lubricated oil pipe (16) between a port of first lubricated oil duct (15) and hydraulic valve group (2), another port intercommunication bearing cap (8) of first lubricated oil duct (15) inside just is located between two tapered roller bearing (9).
3. A marine pitch propeller type lateral propulsion device according to claim 2, wherein: the outside cover of lubricated oil pipe (16) and hose assembly (4) is equipped with oil pipe protection casing (22), the one end of oil pipe protection casing (22) is connected with motor cover (10), the other end of oil pipe protection casing (22) is connected with apron (23), install in the outside of cylinder (1) apron (23), be equipped with main hydraulic fluid port (31) that are connected with hose assembly (4) on hydraulic motor (3), be equipped with draining opening (32) that are connected with lubricated oil pipe (16) on hydraulic motor (3).
4. A marine pitch propeller type lateral propulsion device according to claim 1, wherein: a second lubricating oil channel (17) is arranged on the propeller shaft (5), three ports are formed in the second lubricating oil channel (17), one port of the second lubricating oil channel (17) is communicated with the inside of the bearing cover (8) and is located between the two tapered roller bearings (9), a second port of the second lubricating oil channel (17) is arranged at the end, close to the propeller hub (6), of the bearing cover (8) and is communicated with the inside of the bearing cover (8), and a third port of the lubricating oil channel (17) is arranged at the end, close to the hydraulic motor (3), of the propeller shaft (5).
5. A marine pitch propeller type lateral propulsion device according to claim 1, wherein: a bearing front cover (11) is arranged between the bearing cover (8) and the propeller hub (6), a bearing rear cover (12) is arranged between the bearing cover (8) and the motor cover (10), and space rings (18) are respectively arranged between the bearing front cover (11) and the bearing rear cover (12) and the conical roller bearings (9) which are close to each other.
6. Distance-paddle type lateral propulsion device for ships according to claim 5, characterized in that: a skeleton seal (19) is arranged between the bearing front cover (11) and the propeller shaft (5), the bearing rear cover (12) is connected with the motor cover (10), and a sealing ring is arranged between the bearing rear cover (12) and the motor cover (10).
7. A marine pitch propeller type lateral propulsion device according to claim 1, wherein: the propeller shaft (5) is provided with a key (20) embedded between hubs (6), an elastic cylindrical pin (21) is embedded in the middle of the key (20) on the propeller shaft (5), and the end of the elastic cylindrical pin (21) is inserted into the key (20).
8. A marine pitch propeller type lateral propulsion device according to claim 1, wherein: and a fastening bolt (14) penetrates through the middle of the flow guide cover (13), the fastening bolt (14) is in threaded connection with the propeller shaft (5), and O-shaped rings are arranged among the flow guide cover (13), the propeller hub (6) and the fastening bolt (14).
9. A marine pitch propeller type lateral propulsion device according to claim 1, wherein: the hydraulic valve group (2) is provided with an oil inlet (24), a lubricating oil port (25) and an oil return port (26), four lifting bolts (27) in a rectangular array are arranged above the outer side of the cylinder body (1), and four mounting supports (30) in the rectangular array are arranged below the outer side of the cylinder body (1).
10. A marine pitch propeller type lateral propulsion device according to claim 1, wherein: be connected with a plurality of connecting plate (28) between bearing cap (8) and cylinder (1), it is a plurality of connecting plate (28) all adopt welded connection, a plurality of all are equipped with anticorrosive zinc piece (29) on connecting plate (28) with bearing cap (8), cylinder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210275869.1A CN114802679B (en) | 2022-03-21 | 2022-03-21 | Marine fixed-pitch propeller type lateral propulsion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210275869.1A CN114802679B (en) | 2022-03-21 | 2022-03-21 | Marine fixed-pitch propeller type lateral propulsion device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114802679A true CN114802679A (en) | 2022-07-29 |
| CN114802679B CN114802679B (en) | 2023-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210275869.1A Active CN114802679B (en) | 2022-03-21 | 2022-03-21 | Marine fixed-pitch propeller type lateral propulsion device |
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| JP2009179233A (en) * | 2008-01-31 | 2009-08-13 | Ihi Marine United Inc | Contra-rotating bearing lubrication structure and lubricant supply device of marine propulsion device |
| CN101973386A (en) * | 2010-10-28 | 2011-02-16 | 无锡宝南机器制造有限公司 | Dynamic shaft clutch mechanism for all direction steering oar |
| CN202557788U (en) * | 2012-04-23 | 2012-11-28 | 威海人合机电股份有限公司 | Hydraulic side propeller |
| KR20120137690A (en) * | 2011-06-13 | 2012-12-24 | 삼성중공업 주식회사 | Propulsion apparatus for ship and ship having the same |
| CN202828072U (en) * | 2012-08-28 | 2013-03-27 | 浙江汉力士船用推进系统股份有限公司 | Hydraulic motor drive fixed pitch propeller transverse thrust device |
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| CN206623979U (en) * | 2017-03-06 | 2017-11-10 | 上海交通大学 | Hydraulic pusher propeller hub connecting axle structure |
| JP2018197098A (en) * | 2018-03-05 | 2018-12-13 | バルチラジャパン株式会社 | Oil circulation system for stern tube and vessel |
| CN208882094U (en) * | 2018-09-26 | 2019-05-21 | 威海人合机电股份有限公司 | Shaftless hydraulic-driven propeller |
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2022
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| JP2018197098A (en) * | 2018-03-05 | 2018-12-13 | バルチラジャパン株式会社 | Oil circulation system for stern tube and vessel |
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| CN114802679B (en) | 2023-11-24 |
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