CN114802679B - Marine fixed-pitch propeller type lateral propulsion device - Google Patents
Marine fixed-pitch propeller type lateral propulsion device Download PDFInfo
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- CN114802679B CN114802679B CN202210275869.1A CN202210275869A CN114802679B CN 114802679 B CN114802679 B CN 114802679B CN 202210275869 A CN202210275869 A CN 202210275869A CN 114802679 B CN114802679 B CN 114802679B
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- hydraulic motor
- bearing
- propeller
- propeller shaft
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- 239000003921 oil Substances 0.000 claims description 45
- 239000010687 lubricating oil Substances 0.000 claims description 30
- 238000005461 lubrication Methods 0.000 claims description 30
- 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
- 238000003491 array Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000005260 corrosion Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 125000006850 spacer group Chemical group 0.000 claims description 2
- 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 description 2
- 230000002035 prolonged effect Effects 0.000 description 7
- 230000001105 regulatory effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 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
- 238000005299 abrasion Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 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
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000001050 lubricating effect Effects 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
- 239000010959 steel Substances 0.000 description 1
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
Landscapes
- 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 application discloses a marine distance propeller type lateral propulsion 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, an output shaft end of the hydraulic motor is connected with a horizontally arranged propeller shaft, 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 tapered roller bearings are arranged in the bearing cover, a motor cover 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 beneficial effects of the application are as follows: the hydraulic motor and the hydraulic valve group form a comprehensive hydraulic pump station, so that the operation is flexible, the installation and maintenance are convenient, and the failure rate is low; the hydraulic motor is directly connected with the propeller shaft, so that gear transmission is reduced, noise is low, installation size is small, and the hydraulic motor is suitable for various ship types.
Description
Technical Field
The application relates to the technical field of ship side thrusters, in particular to a fixed-pitch propeller type side thrusting device for a ship.
Background
In order to further improve the maneuverability and operability of the ship during voyage, the lateral thruster is widely applied to various ships at present. The side thrusters are installed in the transverse ducts of the cabins or vessels to generate side thrusters to the hulls. Marine propulsion is an important component in marine power plants, and conventional side propulsion drives a drive shaft of a side propulsion unit driven by a drive motor (or other prime mover such as a hydraulic motor, diesel engine, etc.), which drives a propeller shaft to rotate via an engaged bevel gear. However, the structure connected with the propeller shaft through the gear has large noise and large structure volume, and needs 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 application aims to provide a distance paddle type lateral propulsion device for a ship, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a marine distance oar type side direction thrust unit, includes the cylinder, the axial level of cylinder sets up, the outside top of cylinder is equipped with hydraulic valve group, the inboard of cylinder is equipped with hydraulic motor, be connected with the hose assembly between hydraulic motor and the hydraulic valve group, hydraulic motor level sets up, and its output shaft end is connected with the propeller shaft that the level set up, the propeller shaft keep away from hydraulic motor pot head is equipped with the oar hub, the side that is close to hydraulic motor of oar hub is connected with the bearing cap, be equipped with two tapered roller bearings in the bearing cap, two tapered roller bearings all overlaps to locate on the propeller shaft, the side that is close to hydraulic motor of bearing cap is connected with the motor cover that the cover was located the hydraulic motor outside, the side that is kept away from hydraulic motor of oar hub is equipped with the guiding cap.
Further preferably, the bearing cover is provided with a first lubrication oil duct, the first lubrication oil duct is provided with two ports, a lubrication oil duct is connected between one port of the first lubrication oil duct and the hydraulic valve group, and the other port of the first lubrication oil duct is communicated with the inside of the bearing cover and is positioned between the two tapered roller bearings.
Further preferably, the outside cover of lubrication tube and hose assembly is equipped with the oil pipe protection casing, the one end and the motor cover of oil pipe protection casing are connected, the other end of oil pipe protection casing is connected with the apron, the apron is installed in the outside of cylinder, be equipped with the main hydraulic fluid port that is connected with the hose assembly on the hydraulic motor, be equipped with the oil drain mouth that is connected with lubrication tube on the hydraulic motor.
Further preferably, the propeller shaft is provided with a second lubrication oil duct, the second lubrication oil duct is provided with three ports, one port of the second lubrication oil duct is communicated with the inside of the bearing cap and is located between the two tapered roller bearings, the second port of the second lubrication oil duct is arranged at the inside of the bearing cap, which is close to the hub end and is communicated with the inside of the bearing cap, and the third port of the lubrication oil duct is arranged at the end of the propeller shaft, which is close to the hydraulic motor.
Still preferably, a bearing front cover is arranged between the bearing cover and the hub, a bearing rear cover is arranged between the bearing cover and the motor cover, and a space ring is arranged between the bearing front cover and the bearing rear cover and between the bearing front cover and the tapered roller bearings which are close to each other respectively.
Further preferably, a skeleton seal is provided between the bearing front cover and the propeller shaft, the bearing rear cover is connected with the motor cover, and a seal ring is provided between the bearing rear cover and the motor cover.
Further 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 part of the elastic cylindrical pin is inserted in the key.
Further preferably, a fastening bolt is arranged in the middle of the diversion cover in a penetrating way, the fastening bolt is in threaded connection with the propeller shaft, and O-shaped rings are arranged between the diversion cover and the propeller hub as well as between the diversion 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 ring screws in rectangular arrays are arranged above the outer side of the cylinder, and four mounting supports in rectangular arrays are arranged below the outer side of the cylinder.
Further preferably, a plurality of connecting plates are connected between the bearing cover and the cylinder, a plurality of connecting plates are welded with the bearing cover and the cylinder, and a plurality of connecting plates are provided with anti-corrosion zinc blocks.
The beneficial effects are that: according to the marine distance paddle type lateral propelling device, the oil pressure and the flow of the hydraulic motor are realized through the hydraulic valve group, and the rotation speed of the hydraulic motor is regulated, so that the rotation speed and the rotation direction 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 propulsion function of the propulsion device is realized; the hydraulic motor and the hydraulic valve group form a comprehensive hydraulic pump station, so that the control can be realized in the cabin, the remote control can be performed in the cab through the control panel, the operation is flexible, the 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, the tapered roller bearing is sealed and protected, so that the service life of the tapered roller bearing is prolonged; by arranging the first lubricating oil duct and the second lubricating oil duct, the lubricating effect of the tapered roller bearing can be improved, the occurrence of accelerated abrasion 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, so that gear transmission is reduced, noise is reduced by one third compared with that of a common propeller in the using process, the installation size is greatly reduced, more space is saved for ships, and the hydraulic motor is suitable for various ships, especially ships with high requirements on noise and product volume, such as tourist ships, water buses, sightseeing ships and the like.
Drawings
FIG. 1 is a schematic view of a partial cross-sectional structure of a marine distance blade type lateral propulsion device according to an embodiment of the present application;
FIG. 2 is a schematic diagram of a front view of a marine side propulsion device with a fixed pitch propeller according to an embodiment of the present application;
fig. 3 is a schematic structural view of a hydraulic motor according to an embodiment of the present application.
Reference numerals: the hydraulic cylinder comprises a cylinder body, a 2-hydraulic valve group, a 3-hydraulic motor, a 4-hose assembly, a 5-propeller shaft, a 6-propeller hub, a 7-propeller blade, an 8-bearing cover, a 9-tapered roller bearing, a 10-motor cover, an 11-bearing front cover, a 12-bearing rear cover, a 13-diversion cover, a 14-fastening bolt, a 15-first lubricating oil cover, a 16-lubricating oil pipe, a 17-second lubricating oil duct, a 18-spacer ring, a 19-framework seal, a 20-key, a 21-elastic cylindrical pin, a 22-oil pipe protective cover, a 23-cover plate, a 24-oil inlet, a 25-lubricating oil port, a 26-oil return port, a 27-lifting ring screw, a 28-connecting plate, 29-anti-corrosion zinc block, a 30-mounting support, a 31-main oil port and a 32-drain port.
Detailed Description
The following are specific embodiments of the present application and the technical solutions of the present application will be further described with reference to the accompanying drawings, but the present application is not limited to these embodiments.
As shown in fig. 1-3, the marine distance propeller type lateral propulsion device comprises a cylinder body 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 body 1, the hydraulic motor 3 is arranged on the inner side of the cylinder body 1 and is horizontally arranged, the output shaft end of the hydraulic motor 3 is connected with a propeller shaft 5 which is horizontally arranged, a hose assembly 4 between the hydraulic motor 3 and the hydraulic valve group 2 is connected, a propeller hub 6 is sleeved at the end, far away from the hydraulic motor 3, of the propeller shaft 5, and a plurality of propeller blades 7 are connected with the propeller hub 6; the hydraulic pressure and the flow of the hydraulic motor 3 are realized through the hydraulic valve group 2, the rotation speed of the hydraulic motor 3 is regulated, and the rotation speed of the hydraulic motor 3 can be regulated between 0RPM and 300RPM, so that the rotation speed and the rotation direction of the propeller blade 7 are regulated, and the thrust direction of the side pushing of the propulsion device are changed; the rotation of the hydraulic motor 3 drives the propeller shaft 5 to rotate, and the rotation of the propeller shaft 5 drives the propeller hub 6 to rotate and drives the propeller blades 7 connected with the propeller hub to rotate, so that the propulsion function of the propulsion 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 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 compared with that of a common propeller in the using process, the installation size is greatly reduced, more space is saved for ships, and the hydraulic motor is suitable for various ships, especially ships with high requirements on noise and product volume, such as tourist ships, water buses, sightseeing ships and the like.
In the application, a bearing cover 8 is connected to the side surface of a propeller hub 6, which is close to a hydraulic motor 3, two tapered roller bearings 9 are arranged in the bearing cover 8, the two tapered roller bearings 9 are sleeved on a propeller shaft 5, a motor cover 10 which is covered on the outer side of the hydraulic motor 3 is connected to the side surface of the bearing cover 8, which is close to the hydraulic motor 3, and a diversion cover 13 is arranged on the side surface of the propeller hub 6, which is far away from the hydraulic motor 3; a bearing front cover 11 is arranged between the bearing cover 8 and the hub 6, and a bearing rear cover 12 is arranged between the bearing cover 8 and the motor cover 10. The sealing protection of the hydraulic motor 3, the propeller shaft 5 and the tapered roller bearing 9 is realized through the bearing cover 8, the motor cover 10, the bearing front cover 11, the bearing rear cover 12 and the diversion cover 13, so that the service lives of the hydraulic motor 3, the propeller shaft 5 and the tapered roller bearing 9 are prolonged; a spacer 18 is arranged between the bearing front cover 11 and the bearing rear cover 12 and the tapered roller bearings 9 which are close to each other respectively and is used for limiting the tapered roller bearings 9; a framework 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, and the two tapered roller bearings 9 are symmetrically sleeved on the propeller shaft 5, so that axial load generated on the propeller shaft 5 can be balanced, stable rotation of the propeller shaft 5 is ensured, the service life of the propeller shaft 5 is prolonged, the stability of the propulsion device is improved, noise is reduced, and the service life is prolonged.
In the application, a first lubrication oil duct 15 is arranged on a bearing cover 8, the first lubrication oil duct 15 is provided with two ports, a lubrication oil pipe 16 is connected between one port of the first lubrication oil duct 15 and a hydraulic valve group 2, and the other port of the first lubrication oil duct 15 is communicated with the inside of the bearing cover 8 and is positioned between two tapered roller bearings 9; the propeller shaft 5 is provided with a second lubricating oil duct 17, the second lubricating oil duct 17 is provided with three ports, one port of the second lubricating oil duct 17 is communicated with the inside of the bearing cap 8 and is positioned between the two tapered roller bearings 9, the second port of the second lubricating oil duct 17 is arranged at the end, close to the hub 6, of the bearing cap 8 and is communicated with the inside of the bearing cap 8, and the third port of the lubricating oil duct 17 is arranged at the end, close to the hydraulic motor 3, of the propeller shaft 5. Lubricating oil enters into the lubricating oil pipe 16 through the lubricating oil port 25 on the hydraulic valve group 2, then enters into the first lubricating oil duct 15, finally flows into the bearing cap 8, realizes the lubrication of the tapered roller bearing 9 arranged in the bearing cap 8, ensures the rotation effect of the tapered roller bearing 9 and the tapered roller bearing 9, and prolongs the service life of the tapered roller bearing 9. Meanwhile, the lubricating oil flowing into the bearing cap 8 can flow to the other two ports through the ports of the second lubricating oil duct 17, which are positioned in the middle of the two tapered roller bearings 9, and then flows into the two ends of the bearing cap 8 through the other two ports, and flows into the opposite two side surfaces of the two tapered roller bearings 9, so that the overall lubrication of the two tapered roller bearings 9 and the lubrication of the skeleton seal 19 are realized, the lubrication effect of the tapered roller bearings 9 is further improved, the occurrence of accelerated abrasion caused by insufficient lubrication is reduced, and the service life of the tapered roller bearings 9 is prolonged.
In the application, the outside of the lubricating oil pipe 16 and the hose assembly 4 is sleeved with the oil pipe protective cover 22, 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 the cover plate 23, and the cover plate 23 is arranged on the outside of the cylinder body 1 to protect the lubricating oil pipe 16 and the hose assembly 4 and improve the sealing performance of the motor cover 10; the hydraulic motor 3 is provided with a main oil port 31 connected with the hose assembly 4, and the main oil port 31 is connected with the hose assembly 4, so that hydraulic oil flowing in the hydraulic valve group 2 through the oil inlet 24 can be conveyed to the hydraulic motor 3, and the rotation speed of the hydraulic motor is regulated; the hydraulic motor 3 is provided with an oil drain port 32 connected with the lubricating oil pipe 16, and is used for lubricating oil to enter the hydraulic motor 3, so that the internal structure of the hydraulic motor 3 is lubricated.
In the application, 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, so that the sealing performance of the inside of the bearing cover 8 is improved, and the leakage of lubricating oil in the bearing cover 8 is prevented.
In the application, the propeller shaft 5 is embedded with the key 20 between the propeller hubs 6 for positioning and fixing the propeller hubs 6 and the propeller shaft 5, the connection mode is simple, and the assembly is easy; the elastic cylindrical pin 21 is buried 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 the application, the fastening bolt 14 is penetrated in the middle of the diversion cover 13, the fastening bolt 14 is in threaded connection with the propeller shaft 5, the axial fixation of the propeller hub 6 is realized through the fastening bolt 14, and O-shaped rings are arranged between the diversion cover 13 and the propeller hub 6 and between the diversion cover 14 and the fastening bolt 14, so that water flow can be prevented from flowing into the diversion cover 13, the propeller shaft 5 is prevented from rusting or corroding due to long-term soaking, and the service life of the propeller shaft 5 is prolonged.
In the application, the oil return port 26 is arranged on the hydraulic valve bank 2 and matched 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 eye screws 27 in rectangular arrays are arranged above the outer side of the cylinder body 1, so that the lifting of the propelling device is facilitated, and the carrying of the propelling device is facilitated; four mounting supports 30 of rectangular arrays are arranged below the outer side of the cylinder body 1 and used for supporting the cylinder body 1, so that the fixing stability of the propulsion device is ensured.
In the application, a plurality of connecting plates 28 are connected between the bearing cover 8 and the cylinder body 1, and the plurality of connecting plates 28 are welded with the bearing cover 8 and the cylinder body 1, 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 plate 28 are mostly steel material, and easy oxygen uptake corrodes in water or sea water, and anticorrosive zinc piece 29 is zinc material, because zinc's activity is greater than iron, so zinc loses electron preferentially and takes place oxidation reaction to reduce connecting plate 28's corrosivity, but anticorrosive zinc piece 29 needs periodic replacement.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present application, and the present application is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present application has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the summary of the present application within the scope of the present application.
Claims (6)
1. A marine distance oar formula side direction advancing device, its characterized in that: the propeller comprises a cylinder body (1), the axial level of cylinder body (1) sets up, the outside top of cylinder body (1) is equipped with hydraulic valve group (2), the inboard of cylinder body (1) is equipped with hydraulic motor (3), be connected with hose assembly (4) between hydraulic motor (3) and hydraulic valve group (2), hydraulic motor (3) level sets up, and its output shaft end is connected with propeller shaft (5) that the level set up, the cover is equipped with oar hub (6) that keeps away from hydraulic motor (3) end of propeller shaft (5), oar hub (6) are connected with multi-disc propeller blade (7), the side that is close to hydraulic motor (3) of oar hub (6) is connected with bearing cap (8), be equipped with two tapered roller bearings (9) in the bearing cap (8), two tapered roller bearings (9) all overlap and locate on propeller shaft (5), the side that is close to hydraulic motor (3) of bearing cap (8) is connected with motor cover (10) that covers the outside hydraulic motor (3), the side that keeps away from of oar hub (6) is equipped with water conservancy diversion lid (13). The propeller shaft (5) is provided with a second lubricating oil duct (17), the second lubricating oil duct (17) is provided with three ports, one port of the second lubricating oil duct (17) is communicated with the inside of the bearing cover (8) and is positioned between two tapered roller bearings (9), the second port of the second lubricating oil duct (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 the third port of the second lubricating oil duct (17) is arranged at the end, close to the hydraulic motor (3), of the propeller shaft (5); a key (20) is embedded between the propeller shaft (5) and the propeller hub (6), 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 into the key (20); a fastening bolt (14) is arranged in the middle of the diversion cover (13) in a penetrating way, the fastening bolt (14) is in threaded connection with the propeller shaft (5), and O-shaped rings are arranged between the diversion cover (13) and the propeller hub (6) and between the diversion cover and the fastening bolt (14); be equipped with first lubrication oil duct (15) on bearing cap (8), first lubrication oil duct (15) are equipped with two ports, be connected with lubricating oil pipe (16) between one port of first lubrication oil duct (15) and hydraulic pressure valves (2), the inside of the another port intercommunication bearing cap (8) of first lubrication oil duct (15) just is located between two tapered roller bearings (9).
2. A marine distance-paddle type lateral propulsion device according to claim 1, wherein: the outside cover of lubrication tube (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), apron (23) are installed in the outside of cylinder (1), be equipped with main hydraulic fluid port (31) that are connected with hose assembly (4) on hydraulic motor (3), be equipped with on hydraulic motor (3) oil drain port (32) that are connected with lubrication tube (16).
3. A marine distance-paddle type lateral propulsion device according to claim 1, wherein: bearing front cover (11) is arranged between bearing cover (8) and oar hub (6), bearing back cover (12) is arranged between bearing cover (8) and motor cover (10), and spacer rings (18) are arranged between bearing front cover (11) and bearing back cover (12) and tapered roller bearings (9) which are close to each other respectively.
4. A marine distance-paddle type lateral propulsion device according to claim 3, characterized in that: a framework 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).
5. A marine distance-paddle 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 ring screws (27) in rectangular arrays are arranged above the outer side of the cylinder body (1), and four mounting supports (30) in rectangular arrays are arranged below the outer side of the cylinder body (1).
6. A marine distance-paddle type lateral propulsion device according to claim 1, wherein: a plurality of connecting plates (28) are connected between the bearing cover (8) and the cylinder body (1), the connecting plates (28) are welded with the bearing cover (8) and the cylinder body (1), and the connecting plates (28) are provided with anti-corrosion zinc blocks (29).
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 CN114802679A (en) | 2022-07-29 |
| CN114802679B true CN114802679B (en) | 2023-11-24 |
Family
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Family Applications (1)
| 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 |
Country Status (1)
| Country | Link |
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| CN (1) | CN114802679B (en) |
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| US6193569B1 (en) * | 1996-10-11 | 2001-02-27 | Richard Gwyn Davies | Water jet propulsion unit for use in water borne craft |
| 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***股份有限公司 | Hydraulic motor drive fixed pitch propeller transverse thrust device |
| CN106347618A (en) * | 2016-10-08 | 2017-01-25 | 海牧人（北京）科技有限公司 | Underwater propeller propelling device |
| 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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|---|---|---|---|---|
| JP2017100680A (en) * | 2015-12-04 | 2017-06-08 | スズキ株式会社 | Support structure for gear of outboard motor |
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| KR20120137690A (en) * | 2011-06-13 | 2012-12-24 | 삼성중공업 주식회사 | Propulsion apparatus for ship and ship having the same |
| CN202557788U (en) * | 2012-04-23 | 2012-11-28 | 威海人合机电股份有限公司 | Hydraulic side propeller |
| CN202828072U (en) * | 2012-08-28 | 2013-03-27 | 浙江汉力士船用推进***股份有限公司 | Hydraulic motor drive fixed pitch propeller transverse thrust device |
| CN106347618A (en) * | 2016-10-08 | 2017-01-25 | 海牧人（北京）科技有限公司 | Underwater propeller propelling device |
| CN206623979U (en) * | 2017-03-06 | 2017-11-10 | 上海交通大学 | Hydraulic pusher propeller hub connecting axle structure |
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|---|---|
| CN114802679A (en) | 2022-07-29 |
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