CN217841813U - High-stability marine engine - Google Patents

High-stability marine engine Download PDF

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Publication number
CN217841813U
CN217841813U CN202123415204.6U CN202123415204U CN217841813U CN 217841813 U CN217841813 U CN 217841813U CN 202123415204 U CN202123415204 U CN 202123415204U CN 217841813 U CN217841813 U CN 217841813U
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China
Prior art keywords
engine
rubber pad
fans
engine compartment
mounting seat
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CN202123415204.6U
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Chinese (zh)
Inventor
杨光伟
孙慧侠
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Jiangsu Priya Power Technology Co ltd
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Jiangsu Priya Power Technology Co ltd
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Abstract

The utility model discloses a high-stability marine engine, which comprises an engine unit, wherein the engine unit is arranged in an engine compartment, the engine compartment comprises an air inlet system, the air inlet system comprises a plurality of fans, a first silencer is arranged at the front end of each fan, a cooling fan of the engine unit is connected with the outside of the engine compartment through a corrugated pipe, exhaust fans are arranged on front and rear bulkheads of the engine compartment, and a plurality of space sound absorbers are arranged at the top of the engine compartment; the engine unit is connected with the bottom of the engine compartment through the mounting seat, the mounting seat comprises a bottom plate, a rubber pad clamping groove is formed in the center of the bottom plate, a limiting plate is arranged on the outer side of the rubber pad clamping groove, a groove matched with engine supporting legs is formed in the center of the limiting plate, the engine supporting legs penetrate through the groove and are arranged in the mounting seat, the bottom of the engine supporting legs is provided with the rubber pad clamping groove, a rubber pad is arranged between the rubber pad clamping groove in the bottom of the engine supporting legs and the rubber pad clamping groove in the bottom of the engine supporting legs on the bottom plate, and a spring is arranged between the engine supporting legs and the limiting plate.

Description

Marine engine of high stability
Technical Field
The utility model relates to a marine engine of high stability.
Background
An engine, also called an engine, is a machine capable of converting other forms of energy into another type of energy, usually converting chemical energy into mechanical energy, and the motion principle of the engine is to convert the linear reciprocating motion of a piston in a cylinder into rotary motion by a crankshaft and output power. When the traditional marine engine is used, the engine can vibrate violently due to the reciprocating linear motion of a piston, meanwhile, the ship runs in the sea, danger is very easy to occur under the influence of spray and engine vibration, the violent vibration can cause the damage of the engine, the fatigue fracture of a fixed support can cause unnecessary economic loss, various noises can be emitted at the same time, and the riding experience of passengers can be influenced, so that the marine engine for reducing the noise and the vibration of the engine is urgently needed at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a marine engine of high stability in order to solve the not enough of above prior art.
A high-stability marine engine comprises an engine unit, wherein the engine unit is arranged in an engine compartment, the engine compartment comprises an air inlet system, the air inlet system comprises a plurality of fans, a frame which is welded and connected through a rectangular pipe is arranged at the top of the engine compartment, the fans are connected with the top of the engine compartment through the frame, a first silencer is arranged at the front end of each fan, the first silencer comprises a flange plate, one end of each flange plate is connected with the corresponding fan, a plurality of layers of silencing sheets are arranged at the other end of each flange plate, each silencing sheet is circular rock wool, each silencing sheet is provided with a plurality of densely distributed small holes, the plurality of layers of silencing sheets are arranged at intervals and wrapped into a cylindrical structure through aluminum sheets, the cylindrical structure is connected with the corresponding flange plate, a cooling fan of the engine unit is connected with the outside of the engine compartment through a corrugated pipe, silencing sheets are arranged in the corrugated pipe, fans are arranged on front and rear bulkheads of the engine compartment, second silencers are arranged on the exhaust fans, the plurality of silencing sheets are distributed at intervals, activated carbon layers are arranged in intervals of the silencing sheets and the activated carbon layers are wrapped into a cylindrical shape through the activated carbon layer and are connected with the fans through the exhaust bodies arranged at the tops of the engine compartment;
the engine unit is connected with the bottom of the engine compartment through the mounting seat, the mounting seat comprises a bottom plate, mounting holes are formed in four corners of the bottom plate respectively, a rubber pad clamping groove is formed in the center of the bottom plate, limiting plates are arranged on the outer sides of the rubber pad clamping grooves and formed by splicing two symmetrical L-shaped plates, the mounting seat is divided into a left part and a right part along a symmetrical surface, a groove matched with engine supporting legs is formed in the center of each limiting plate, the engine supporting legs penetrate through the groove and are arranged in the mounting seat, rubber pad clamping grooves are formed in the bottoms of the engine supporting legs, rubber pads are arranged between the rubber pad clamping grooves in the bottom plate and the rubber pad clamping grooves in the bottoms of the engine supporting legs, springs are arranged between the engine supporting legs and the limiting plates, the springs are arranged in four corners of the engine supporting legs and are fixed through screws, the screws sequentially penetrate through holes in the engine supporting legs from the bottoms of the mounting seat, and the holes in the limiting plates are fixed through nuts.
As further improvement, the number of the fans of the air inlet system is 4, and the four fans are divided into two rows.
As a further improvement, the area of the small holes on the silencing sheet accounts for 20-35% of the total area of the silencing sheet.
As a further improvement, one end of the screw is a cylindrical hexagon socket head, the other end of the screw is provided with external threads, and the middle of the screw is a smooth round rod.
As a further improvement, the shape of the space sound absorber is plate-shaped, the framework of the space sound absorber is made of aluminum, superfine glass wool is filled in the framework, and a plastic net is coated outside the framework.
As a further improvement, the total area of the spatial sound absorbers is 30-40% of the top area of the engine compartment.
Has the advantages that:
the utility model has the advantages of ingenious design, optimized air circulation in the engine compartment, the noise reduction sheet arranged at the air inlet and exhaust position, improved noise reduction performance, better cooling effect by utilizing the cooling fan of the engine set to exhaust hot air through the corrugated pipeline, and the exhaust position also provided with the activated carbon layer which can absorb smoke dust and reduce pollution, and the space sound absorber arranged in the compartment further reduces noise;
the engine support legs are fixed in the mounting seat, the lower portions of the engine support legs and the mounting seat are damped by the rubber pads, the upper portions of the engine support legs and the mounting seat are damped by the springs, the up-down fluctuating bumping environment of the marine engine body can be effectively met, and the marine engine is convenient to install and good in damping effect.
Drawings
FIG. 1 is a schematic diagram of the general construction of a high stability marine engine;
FIG. 2 is a schematic structural view of the mounting base;
1. the engine room 2, the engine unit 3, the fan 4, the first silencer 5, the silencing sheet 6, the heat radiation fan 7, the corrugated pipe 8, the exhaust fan 9, the second silencer 10, the activated carbon layer 11, the spatial sound absorber 12, the mounting seat 121, the bottom plate 122, the limiting plate 123, the engine support leg 124, the screw 125, the spring 126, the rubber gasket clamping groove 127 and the rubber gasket.
Detailed Description
In order to deepen the understanding of the present invention, the present invention will be further described in detail with reference to the following embodiments and the attached drawings, and the embodiments are only used for explaining the present invention, and do not constitute the limitation to the protection scope of the present invention.
As shown in fig. 1 to 2, a high-stability marine engine includes an engine compartment 1, an engine unit 2, a fan 3, a first muffler 4, a noise reduction sheet 5, a cooling fan 6, a bellows 7, an exhaust fan 8, a second muffler 9, an activated carbon layer 10, a spatial sound absorber 11, a mounting seat 12, a bottom plate 121, a limiting plate 122, engine legs 123, a screw 124, a spring 125, a rubber pad slot 126, and a rubber pad 127.
A high-stability marine engine comprises an engine unit, wherein the engine unit is arranged in an engine compartment, the engine compartment comprises an air inlet system, the air inlet system comprises a plurality of fans, a frame which is welded and connected through a rectangular pipe is arranged at the top of the engine compartment, the fans are connected with the top of the engine compartment through the frame, a first silencer is arranged at the front end of each fan, the first silencer comprises a flange plate, one end of each flange plate is connected with the corresponding fan, a plurality of layers of silencing sheets are arranged at the other end of each flange plate, each silencing sheet is circular rock wool, each silencing sheet is provided with a plurality of densely distributed small holes, the plurality of layers of silencing sheets are arranged at intervals and wrapped into a cylindrical structure through aluminum sheets, the cylindrical structure is connected with the corresponding flange plate, a cooling fan of the engine unit is connected with the outside of the engine compartment through a corrugated pipe, silencing sheets are arranged in the corrugated pipe, fans are arranged on front and rear bulkheads of the engine compartment, second silencers are arranged on the exhaust fans, the plurality of silencing sheets are distributed at intervals, activated carbon layers are arranged in intervals of the silencing sheets and the activated carbon layers are wrapped into a cylindrical shape through the activated carbon layer and are connected with the fans through the exhaust bodies arranged at the tops of the engine compartment;
the engine unit is connected with the bottom of the engine compartment through the mounting seat, the mounting seat comprises a bottom plate, mounting holes are formed in four corners of the bottom plate respectively, a rubber pad clamping groove is formed in the center of the bottom plate, limiting plates are arranged on the outer sides of the rubber pad clamping grooves and formed by splicing two symmetrical L-shaped plates, the mounting seat is divided into a left part and a right part along a symmetrical surface, a groove matched with engine supporting legs is formed in the center of each limiting plate, the engine supporting legs penetrate through the groove and are arranged in the mounting seat, rubber pad clamping grooves are formed in the bottoms of the engine supporting legs, rubber pads are arranged between the rubber pad clamping grooves in the bottom plate and the rubber pad clamping grooves in the bottoms of the engine supporting legs, springs are arranged between the engine supporting legs and the limiting plates, the springs are arranged in four corners of the engine supporting legs and are fixed through screws, the screws sequentially penetrate through holes in the engine supporting legs from the bottoms of the mounting seat, and the holes in the limiting plates are fixed through nuts.
The number of the fans of the air inlet system is 4, and the four fans are divided into two rows.
Wherein, the area of the small holes on the silencing sheet accounts for 20-35% of the total area of the silencing sheet.
One end of the screw rod is a cylindrical hexagon socket head, the other end of the screw rod is provided with external threads, and the middle of the screw rod is a smooth round rod.
The space sound absorber is shaped like a plate, a framework of the space sound absorber is made of aluminum, superfine glass wool is filled in the framework, and a plastic net is coated outside the framework.
Wherein the total area of the spatial sound absorber is 30-40% of the top area of the engine compartment.
The utility model optimizes the air circulation in the engine compartment, arranges the silencing pieces at the air inlet and the air exhaust positions, improves the noise reduction performance, utilizes the cooling fan of the engine unit to exhaust hot air through the corrugated pipeline, has better cooling effect, is also provided with the activated carbon layer at the air exhaust position, can absorb smoke dust, reduces pollution, and is also provided with the space sound absorber in the compartment to further reduce noise; the engine support legs are fixed in the mounting seat, the lower portions of the engine support legs and the mounting seat are damped by the rubber pads, the upper portions of the engine support legs and the mounting seat are damped by the springs, the up-down fluctuating bumping environment of the marine engine body can be effectively met, and the marine engine is convenient to install and good in damping effect.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A high-stability marine engine is characterized by comprising an engine unit, wherein the engine unit is arranged in an engine compartment, the engine compartment comprises an air inlet system, the air inlet system comprises a plurality of fans, a frame which is welded and connected through a rectangular pipe is arranged at the top of the engine compartment, the fans are connected with the top of the engine compartment through the frame, a first silencer is arranged at the front end of each fan, the first silencer comprises a flange, one end of the flange is connected with the fans, the other end of the flange is provided with a plurality of layers of silencing sheets, each silencing sheet is circular rock wool, each silencing sheet is provided with a plurality of densely distributed small holes, the plurality of layers of silencing sheets are arranged at intervals and wrapped into a cylindrical structure through aluminum sheets, the cylindrical structure is connected with the flange, a cooling fan of the engine unit is connected with the outside of the engine compartment through a corrugated pipe, silencing sheets are arranged in the corrugated pipe, fans are arranged on front and rear bulkheads of the engine compartment, second silencers are arranged on the fans, the second silencers comprise a plurality of exhaust air exhausting sheets which are distributed at intervals, activated carbon layers are arranged in intervals, the intervals of the silencing sheets and the activated carbon layers are wrapped into a cylindrical shape through the activated carbon layers and are connected with the top of the engine compartment through the exhaust fans, and a plurality of sound absorption bodies are arranged in the space of the engine compartment;
the engine unit is connected with the bottom of an engine compartment through a mounting seat, the mounting seat comprises a bottom plate, mounting holes are formed in four corners of the bottom plate respectively, a rubber pad clamping groove is formed in the center of the bottom plate, a limiting plate is arranged on the outer side of the rubber pad clamping groove and formed by splicing two symmetrical L-shaped plates, the mounting seat is divided into a left part and a right part along a symmetrical surface, a groove matched with engine support legs is formed in the center of the limiting plate, the engine support legs penetrate through the groove and are arranged in the mounting seat, a rubber pad clamping groove is formed in the bottom of the engine support legs, a rubber pad is arranged between the rubber pad clamping groove in the bottom plate and the rubber pad clamping groove in the bottom of the engine support legs, springs are arranged between the engine support legs and the limiting plate, the springs are arranged in the four corners of the engine support legs and are fixed through screws, and the screws sequentially penetrate through holes in the engine support legs from the bottom of the mounting seat and are fixed with the holes in the limiting plates through nuts.
2. The marine engine with high stability as set forth in claim 1, wherein said air intake system has 4 fans, and four fans are divided into two rows.
3. A high stability marine engine as claimed in claim 1, wherein said noise reduction sheet has an aperture area of 20% to 35% of the total area of the noise reduction sheet.
4. A high stability marine engine as claimed in claim 1, wherein said screw has a cylindrical hexagonal socket at one end, an external thread at the other end, and a smooth round rod in the middle.
5. The marine engine with high stability as claimed in claim 1, wherein the shape of the spatial sound absorber is plate-shaped, the framework of the spatial sound absorber is made of aluminum, the inside of the framework is filled with ultra-fine glass wool, and the framework is covered with a plastic net.
6. A highly stable marine engine as claimed in claim 1 wherein said spatial sound absorbers have a total area of 30% to 40% of the top area of the engine compartment.
CN202123415204.6U 2021-12-31 2021-12-31 High-stability marine engine Active CN217841813U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123415204.6U CN217841813U (en) 2021-12-31 2021-12-31 High-stability marine engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123415204.6U CN217841813U (en) 2021-12-31 2021-12-31 High-stability marine engine

Publications (1)

Publication Number Publication Date
CN217841813U true CN217841813U (en) 2022-11-18

Family

ID=84009439

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123415204.6U Active CN217841813U (en) 2021-12-31 2021-12-31 High-stability marine engine

Country Status (1)

Country Link
CN (1) CN217841813U (en)

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