CN112253349A - Auxiliary equipment for starting marine low-speed diesel engine - Google Patents
Auxiliary equipment for starting marine low-speed diesel engine Download PDFInfo
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- CN112253349A CN112253349A CN202011008373.5A CN202011008373A CN112253349A CN 112253349 A CN112253349 A CN 112253349A CN 202011008373 A CN202011008373 A CN 202011008373A CN 112253349 A CN112253349 A CN 112253349A
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- damping
- diesel engine
- supporting column
- damping device
- starting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N7/00—Starting apparatus having fluid-driven auxiliary engines or apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
- F01M2005/008—Lubrication means facilitating engine starting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N2250/00—Problems related to engine starting or engine's starting apparatus
- F02N2250/08—Lubrication of starters; Sealing means for starters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The invention relates to auxiliary equipment for starting a marine low-speed diesel engine, which belongs to the technical field of marine diesel engine starting devices and comprises a pneumatic motor, an air inlet pipe, a driving rod and a gear, wherein the pneumatic motor is positioned above a supporting frame, three groups of supporting rings are arranged on the outer surface of the pneumatic motor, first damping devices are respectively arranged at the lower ends of the two groups of supporting rings at the middle and rear ends, a second damping device is arranged at the lower end of the supporting ring at the front end, a lubricating device is arranged at one side of the second damping device, and the second damping device drives the lubricating device to discharge oil when damping. Compared with the prior art, through the first damping device and the second damping device who set up, two sets of interact power of buffering fore-and-aft direction reduce the production of vibrations, do not influence connection stability, and when compressed air got into, between the flywheel and the gear that the vibrations drive lubricating oil that produce with compressed air instiled into the diesel engine simultaneously, played the lubrication action, accelerated diesel engine's start.
Description
Technical Field
The invention belongs to the technical field of marine diesel engine starting devices, and particularly relates to auxiliary equipment for starting a marine low-speed diesel engine.
Background
The pneumatic motor is widely applied to the marine diesel engine due to large starting torsion, high reliability, low failure rate and strong adaptability. The pneumatic motor drives a flywheel of the diesel engine to rotate by converting pressure energy of compressed air into rotary mechanical energy, so that the diesel engine is started.
The existing pneumatic motor has a certain problem when in use, the pneumatic motor is fixed on a support frame of a diesel engine, compressed air enters the pneumatic motor from an air pipe, a large impact force exists in the process of converting the pressure energy of the compressed air into rotary mechanical energy, large vibration can be caused to the support frame of the diesel engine, the connection stability is influenced, and in the starting process of the pneumatic motor, the compressed air is required to enter for many times generally, and vibration of small degree can be generated. Therefore, we propose an auxiliary device for starting a marine low-speed diesel engine.
Disclosure of Invention
The invention aims to provide an auxiliary device for starting a low-speed diesel engine for a ship, so as to solve the problems in the background technology.
The invention realizes the purpose through the following technical scheme:
the utility model provides an auxiliary assembly for marine low-speed diesel engine starts, advances pipe, actuating lever and gear including pneumatic motor, air, pneumatic motor is located the support frame top, pneumatic motor's surface is equipped with three support rings of group, and the lower extreme of the two sets of support rings of well rear end all is equipped with first damping device, and the lower extreme of front end support ring is equipped with second damping device, one side of second damping device is equipped with lubricating arrangement, second damping device drives lubricating arrangement and produces oil when the shock attenuation, and lubricating arrangement's the end of producing oil is located gear and diesel engine flywheel meshing department top, first damping device, second damping device and lubricating arrangement all establish in the support frame upper end.
As a further optimization scheme of the invention, the first damping device or the second damping device comprises a damping box, a main supporting column, a sliding cylinder, an upper inclined supporting column, a lower inclined supporting column and hinge seats, wherein the upper end of the main supporting column is fixedly connected with the bottom end of the supporting column, the sliding cylinder is sleeved at the upper end of the main supporting column, a first damping spring is arranged between the upper end of the sliding cylinder and the bottom end of the supporting column, a piston part at the lower end of the main supporting column is positioned in the damping box, a second damping spring is arranged between the lower end of the piston part of the main supporting column and the bottom end of the damping box, a limiting column is arranged in the second damping spring, two sets of hinge seats are arranged at the front side and the rear side of the damping box, the bottom end of the lower inclined supporting column is hinged on the hinge seats, the upper end of the lower inclined supporting column is connected with the piston part of the upper inclined supporting, and a third damping spring is arranged between the damping box and the lower oblique supporting column, and a fourth damping spring is arranged between the upper oblique supporting column and the lower oblique supporting column.
As a further optimized scheme of the present invention, in the first damping device, the lower inclined supporting column is of a hollow structure, the lower inclined supporting column is communicated with the inside of the damping box through a hose, the third damping spring surrounds the outer surface of the hose, the fourth damping spring is arranged in the hollow inside of the lower inclined supporting column, and the upper end of the fourth damping spring is connected with the piston portion at the bottom end of the upper inclined supporting column.
As a further optimized scheme of the invention, the damping box of the first damping device is filled with liquid, and the liquid is one of saline, kerosene and ethanol.
As a further optimized scheme of the invention, in the second damping device, a limit gap is arranged in the middle of the upper inclined supporting column, and the fourth damping spring surrounds the outer surface of the upper inclined supporting column.
As a further optimized scheme of the invention, an air pipe is arranged at the bottom end of the damping box in the second damping device and is communicated with the lubricating device.
As a further optimization scheme of the invention, the lubricating device comprises a lubricating oil barrel and an oil dripping pipe, the tail end of the air pipe is positioned at the upper end inside the lubricating oil barrel, the bottom end of the oil dripping pipe is positioned at the bottom end inside the lubricating oil barrel, and the upper end of the oil dripping pipe is positioned above the meshing position of the gear and the flywheel of the diesel engine.
The invention has the beneficial effects that:
through the first damping device and the second damping device that set up, get into when rear air pipe compressed air, at first produce forward power, then because the interact of power, produce backward power again, first damping device and second damping device cushion two sets of interact's of fore-and-aft direction, reduce the production of vibrations, do not influence connection stability, when compressed air gets into simultaneously, the vibrations drive lubricating oil that produces with compressed air instils into between the flywheel and the gear of diesel engine, play the lubrication action, the start-up of diesel engine with higher speed, reduce the number of times of artifical oiling.
Drawings
FIG. 1 is a schematic structural diagram of an auxiliary device for starting a marine low-speed diesel engine provided by the invention;
FIG. 2 is a schematic structural diagram of a first damping device of the auxiliary equipment for starting the marine low-speed diesel engine provided by the invention;
FIG. 3 is a schematic structural diagram of a second damping device of the auxiliary equipment for starting the marine low-speed diesel engine provided by the invention;
fig. 4 is a schematic diagram of the position of the drip pipe of the auxiliary equipment for starting the marine low-speed diesel engine provided by the invention.
In the figure: 1. a pneumatic motor; 2. an air inlet pipe; 3. a drive rod; 4. a gear; 5. a support frame; 6. a first damping device; 7. a support ring; 8. a second damping device; 9. a lubricating device; 10. a slide cylinder; 11. a first damping spring; 12. a limiting column; 13. a second damping spring; 14. a hinged seat; 15. a third damping spring; 16. an upper oblique supporting column; 17. a lower oblique supporting column; 18. a fourth damping spring; 19. a shock-absorbing box; 20. a main support column; 601. a hose; 801. an air tube; 901. a lubricating oil barrel; 902. a dropping oil pipe.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
An auxiliary device for starting a marine low-speed diesel engine:
as shown in fig. 1, the pneumatic motor comprises a pneumatic motor 1, an air inlet pipe 2, a driving rod 3 and a gear 4, wherein the pneumatic motor 1 is located above a support frame 5, three groups of support rings 7 are arranged on the outer surface of the pneumatic motor 1, first damping devices 6 are arranged at the lower ends of the two groups of support rings 7 at the middle and rear ends, second damping devices 8 are arranged at the lower ends of the support rings 7 at the front end, a lubricating device 9 is arranged on one side of each second damping device 8, the second damping devices 8 drive the lubricating device 9 to discharge oil during damping, the oil outlet end of each lubricating device 9 is located above the meshing position of the gear 4 and a flywheel of a diesel engine, and the first damping devices 6, the second damping devices 8 and the lubricating device 9 are all arranged at the.
As shown in fig. 2, the first damping device 6 includes a damping box 19, a main supporting pillar 20, a sliding cylinder 10, an upper inclined supporting pillar 16, a lower inclined supporting pillar 17 and hinge seats 14, the upper end of the main supporting pillar 20 is fixedly connected with the bottom end of the supporting ring 7, the sliding cylinder 10 is sleeved on the upper end of the main supporting pillar 20, a first damping spring 11 is arranged between the upper end of the sliding cylinder 10 and the bottom end of the supporting ring 7, the piston part at the lower end of the main supporting pillar 20 is located inside the damping box 19, a second damping spring 13 is arranged between the lower end of the piston part of the main supporting pillar 20 and the bottom end of the damping box 19, a limiting pillar 12 is arranged inside the second damping spring 13, two sets of hinge seats 14 are arranged at the front and rear sides of the damping box 19, the bottom end of the lower inclined supporting pillar 17 is hinged on the hinge seat 14, the upper end of the lower inclined supporting pillar 17 is connected with the piston part of the upper inclined supporting pillar 16, the upper end of the upper inclined supporting, a fourth damping spring 18 is arranged between the upper inclined supporting column 16 and the lower inclined supporting column 17, in the first damping device 6, the lower inclined supporting column 17 is of a hollow structure, the lower inclined supporting column 17 is communicated with the interior of a damping box 19 through a hose 601, the third damping spring 15 surrounds the outer surface of the hose 601, the fourth damping spring 18 is arranged in the hollow interior of the lower inclined supporting column 17, the upper end of the fourth damping spring 18 is connected with a piston part at the bottom end of the upper inclined supporting column 16, when the pneumatic motor 1 generates forward force due to the compressed air entering from the air inlet pipe 2 and the force generates reaction force on the pneumatic motor 1, the support ring 7 transmits the forward and backward force to the main supporting column 20, the main supporting column 20 is pressed downwards, the damping box 19 is filled with liquid which has excellent damping effect, the liquid is one of saline water, kerosene and ethanol, is not easy to freeze when the air temperature is low, and is not easy to evaporate when the air temperature is high, the main supporting column 20 presses the second damping spring 13 downwards, the piston part extrudes liquid, partial vibration is transmitted to the second damping spring 13 and the liquid, the first layer of buffering and damping effects are achieved, the liquid is extruded to enter the lower inclined supporting column 17 through the hose 601, the upper inclined supporting column 16 is extruded by gas to move upwards, meanwhile, partial vibration is transmitted to the fourth damping spring 18, the second layer of buffering and damping effects are achieved, the upper inclined supporting column 16 drives the sliding cylinder 10 to move upwards, the first damping spring 11 is arranged between the upper end of the sliding cylinder 10 and the bottom end of the supporting ring 7, the third layer of buffering and damping effects are achieved, when forward and backward force is transmitted to the main supporting column 20 by the supporting ring 7, the main supporting column 20 drives the sliding cylinder 10 to generate forward and backward force, so that the lower inclined supporting column 17 and the upper inclined supporting column 16 generate forward and backward movement trends, and damping and buffering are achieved through the third damping spring 15, the buffer and shock absorption effects of the fourth layer are achieved.
As shown in fig. 3, the second damping device 8 includes a damping box 19, a main supporting pillar 20, a sliding cylinder 10, an upper inclined supporting pillar 16, a lower inclined supporting pillar 17 and hinge seats 14, the upper end of the main supporting pillar 20 is fixedly connected with the bottom end of the supporting ring 7, the sliding cylinder 10 is sleeved on the upper end of the main supporting pillar 20, a first damping spring 11 is arranged between the upper end of the sliding cylinder 10 and the bottom end of the supporting ring 7, the piston part at the lower end of the main supporting pillar 20 is located inside the damping box 19, a second damping spring 13 is arranged between the lower end of the piston part of the main supporting pillar 20 and the bottom end of the damping box 19, a limiting pillar 12 is arranged inside the second damping spring 13, two sets of hinge seats 14 are arranged at the front and rear sides of the damping box 19, the bottom end of the lower inclined supporting pillar 17 is hinged on the hinge seat 14, the upper end of the lower inclined supporting pillar 17 is connected with the piston part of the upper inclined supporting pillar 16, the upper end of the upper inclined supporting, a fourth damping spring 18 is arranged between the upper inclined supporting column 16 and the lower inclined supporting column 17, in the second damping device 8, a limiting gap is arranged in the middle of the upper inclined supporting column 16, the fourth damping spring 18 surrounds the outer surface of the upper inclined supporting column 16, the damping principle is similar to that of the first damping device 6, four layers of buffering and damping effects are achieved, an air pipe 801 is arranged at the bottom end of a damping box 19 in the second damping device 8, the air pipe 801 is communicated with a lubricating device 9, the lubricating device 9 comprises a lubricating oil barrel 901 and a dropping oil pipe 902, the tail end of the air pipe 801 is located at the upper end inside the lubricating oil barrel 901, the bottom end of the dropping oil pipe 902 is located at the bottom end inside the lubricating oil barrel 901, when the main supporting column 20 is pressed under the force, the main supporting column 20 drives a piston part to squeeze air inside the damping box 19, so that the air enters the lubricating oil barrel 901 along the air pipe 801, and the lubricating oil, as shown in fig. 4, the upper end of the oil dropping pipe 902 is located above the meshing position of the gear 4 and the flywheel of the diesel engine, and after the compressed air enters and drives the flywheel to rotate, the oil dropping pipe 902 drops oil to lubricate the flywheel and the flywheel.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (7)
1. An auxiliary device for starting a marine low-speed diesel engine comprises a pneumatic motor (1), an air inlet pipe (2), a driving rod (3) and a gear (4), it is characterized in that the pneumatic motor (1) is positioned above the support frame (5), three groups of support rings (7) are arranged on the outer surface of the pneumatic motor (1), the lower ends of the two groups of support rings (7) at the middle and rear ends are respectively provided with a first damping device (6), the lower end of the support ring (7) at the front end is provided with a second damping device (8), one side of the second damping device (8) is provided with a lubricating device (9), the second damping device (8) drives the lubricating device (9) to discharge oil during damping, the oil outlet end of the lubricating device (9) is positioned above the meshing position of the gear (4) and the flywheel of the diesel engine, and the first damping device (6), the second damping device (8) and the lubricating device (9) are arranged at the upper end of the support frame (5).
2. The auxiliary equipment for starting the marine low-speed diesel engine according to claim 1, wherein the first damping device (6) or the second damping device (8) comprises a damping box (19), a main supporting column (20), a sliding cylinder (10), an upper inclined supporting column (16), a lower inclined supporting column (17) and a hinge seat (14), the upper end of the main supporting column (20) is fixedly connected with the bottom end of the supporting ring (7), the sliding cylinder (10) is sleeved on the upper end of the main supporting column (20), a first damping spring (11) is arranged between the upper end of the sliding cylinder (10) and the bottom end of the supporting ring (7), the lower end piston part of the main supporting column (20) is positioned inside the damping box (19), a second damping spring (13) is arranged between the lower end of the piston part of the main supporting column (20) and the bottom end of the damping box (19), and a limiting column (12) is arranged inside the second damping spring (13), two sets of articulated seat (14) set up both sides around shock attenuation box (19), the bottom of down-tilting support post (17) articulates on articulated seat (14), the piston portion of up-tilting support post (16) is connected to the upper end of down-tilting support post (17), go up the upper end and slide cartridge (10) fixed connection of down-tilting support post (16), be equipped with third damping spring (15) between shock attenuation box (19) and down-tilting support post (17), it is equipped with fourth damping spring (18) to go up between down-tilting support post (16) and down-tilting support post (17).
3. The auxiliary device for the starting of the marine low-speed diesel engine is characterized in that in the first shock absorption device (6), the lower inclined supporting column (17) is of a hollow structure, the lower inclined supporting column (17) is communicated with the interior of the shock absorption box (19) through a hose (601), the third shock absorption spring (15) is enclosed on the outer surface of the hose (601), the fourth shock absorption spring (18) is arranged in the hollow interior of the lower inclined supporting column (17), and the upper end of the fourth shock absorption spring (18) is connected with the piston part at the bottom end of the upper inclined supporting column (16).
4. Auxiliary equipment for the start-up of a marine low-speed diesel engine according to claim 3, characterized in that the damping box (19) of the first damping means (6) contains a liquid, which is one of brine, kerosene and ethanol.
5. Auxiliary equipment for the starting of a marine low-speed diesel engine according to claim 2, characterized in that the second shock-absorbing device (8) is provided with a limiting gap in the middle of the upper oblique supporting column (16), and the fourth shock-absorbing spring (18) surrounds the outer surface of the upper oblique supporting column (16).
6. Auxiliary equipment for the starting of a marine low-speed diesel engine according to claim 5, characterized in that the bottom end of the shock absorption box (19) in the second shock absorption device (8) is provided with an air pipe (801), and the air pipe (801) is communicated with the lubricating device (9).
7. The auxiliary device for starting the marine low-speed diesel engine according to claim 6, wherein the lubricating device (9) comprises a lubricating oil barrel (901) and a dropping oil pipe (902), the end of the air pipe (801) is located at the upper end inside the lubricating oil barrel (901), the bottom end of the dropping oil pipe (902) is located at the bottom end inside the lubricating oil barrel (901), and the upper end of the dropping oil pipe (902) is located above the meshing position of the gear (4) and the flywheel of the diesel engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011008373.5A CN112253349B (en) | 2020-09-23 | 2020-09-23 | Auxiliary equipment for starting marine low-speed diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011008373.5A CN112253349B (en) | 2020-09-23 | 2020-09-23 | Auxiliary equipment for starting marine low-speed diesel engine |
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| CN112253349A true CN112253349A (en) | 2021-01-22 |
| CN112253349B CN112253349B (en) | 2022-07-05 |
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| CN202011008373.5A Active CN112253349B (en) | 2020-09-23 | 2020-09-23 | Auxiliary equipment for starting marine low-speed diesel engine |
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| 安四元: "支架搬运车防爆柴油机启动方式研究", 《机床与液压》 * |
| 王向相等: "船用应急发电机组用柴油机的应用研究", 《科技信息》 * |
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| CN112253349B (en) | 2022-07-05 |
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