CN215761944U

CN215761944U - Marine engine unit with sound insulation device

Info

Publication number: CN215761944U
Application number: CN202122389738.XU
Authority: CN
Inventors: 李辉; 付笑; 吴岭; 张宏良; 蔡任芳
Original assignee: Haitu Shanghai Power Technology Co ltd
Current assignee: Haitu Shanghai Power Technology Co ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-02-08
Anticipated expiration: 2031-09-28

Abstract

The utility model belongs to the field of marine engines, and particularly discloses a marine engine unit with a sound insulation device, which comprises an engine unit mechanism, an outer frame, sound insulation plates and a damping structure, wherein the outer frame is a rectangular frame, supporting plates are paved on the bottom side of the outer frame, the sound insulation plates are arranged on the periphery and the top side of the outer frame, and the outer frame is surrounded by the sound insulation plates to form a sound insulation box body structure; the engine unit mechanism is arranged in the sound insulation box body structure through a damping structure, the damping structure comprises a damping bottom frame, a buffer frame, a unit mounting frame and a buffer pad, a plurality of damping support plates are arranged at the bottom side of the damping bottom frame, and the plurality of damping support plates are fixedly connected with the support plate through fasteners; the shock absorption chassis is provided with a buffer frame through bolts, and the upper side of the buffer frame is provided with a buffer cushion. The engine unit is subjected to sound insulation protection by adopting the outer frame and the sound insulation plate with sound insulation effects, so that vibration noise is avoided from the source, and the stability and the reliability of continuous operation of the engine unit are improved.

Description

Marine engine unit with sound insulation device

Technical Field

The utility model relates to the field of marine engines, in particular to a marine engine unit with a sound insulation device.

Background

The engine unit is one of the main components of the power assembly of the ship, and the operation of the engine unit of the ship generates larger noise in the process of sailing. Particularly for passenger ships and cruise ships, the noises can cause troubles to passengers and crews, the overall comfort level is reduced, sound insulation structures are mostly adopted in the areas of the passengers and crews on the ships at present to achieve the purpose of isolating and reducing the noises, however, the structures can play a limited role, and the noise reduction mode cannot be satisfactory in practical application.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a marine engine block with a sound insulation device to solve the problems set forth in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a marine engine unit with a sound insulation device comprises an engine unit mechanism, an outer frame, sound insulation plates and a shock absorption structure, wherein the outer frame is a rectangular frame, supporting plates are paved on the bottom side of the outer frame, the sound insulation plates are arranged on the periphery and the top side of the outer frame, and the outer frame is surrounded into a sound insulation box body structure through the sound insulation plates; the engine unit mechanism is arranged in the sound insulation box body structure through a damping structure, the damping structure comprises a damping bottom frame, a buffer frame, a unit mounting frame and a buffer pad, a plurality of damping support plates are arranged at the bottom side of the damping bottom frame, and the plurality of damping support plates are fixedly connected with the support plate through fasteners; the shock absorption chassis is provided with a buffer frame through bolts, the upper side of the buffer frame is provided with a buffer cushion, and a shock absorption spring and a shock absorption rubber pad are arranged between the buffer frame and the buffer cushion.

Preferably, the cushioning spring is connected in the edge of the adjacent terminal surface of buffer frame, blotter, and the cushioning rubber pad is connected in the middle part of the adjacent terminal surface of buffer frame, blotter.

Preferably, the middle part of the cushion pad is provided with a groove, and the cushion pad is provided with a unit mounting frame.

Preferably, the unit mounting frame is fixedly arranged at the bottom side end of the engine unit mechanism, the bottom side of the unit mounting frame corresponds to the groove, and the unit mounting frame is connected with the cushion pad through a bolt.

Preferably, two sets of protection bearing structures are equipped with to shock attenuation chassis both sides, and every protection bearing structure of group all includes support frame, bracing. The support frame is L-shaped, the bottom end of the support frame is fixedly connected with the side end of the damping underframe, and the support frame is provided with an inclined strut.

Preferably, a heat dissipation channel is arranged on the sound insulation plate at the side end of the outer frame and communicated with the sound insulation box body structure, and the heat dissipation channel is connected with an external air-cooled radiator through a flange.

Compared with the prior art, the utility model has the beneficial effects that:

the engine unit is subjected to sound insulation protection by adopting the outer frame and the sound insulation plate with sound insulation effects, and in order to avoid large vibration generated by the operation of the engine unit, the vibration is buffered by arranging the stable damping structure, so that vibration noise is avoided from the source, and the stability and the reliability of the continuous operation of the engine unit are improved.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

In the figure: 1. an engine block mechanism; 2. an outer frame; 3. a sound insulating board; 4. a support plate; 5. a shock absorbing chassis; 6. a buffer frame; 7. a unit mounting frame; 8. a cushion pad; 9. a cushioning spring; 10. a cushioning rubber pad; 11. a support frame; 12. bracing; 13. and a heat dissipation channel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1, the present invention provides a technical solution: a marine engine unit with a sound insulation device comprises an engine unit mechanism 1, an outer frame 2, sound insulation plates 3 and a damping structure, wherein the outer frame 2 is a rectangular frame, a supporting plate 4 is laid on the bottom side of the outer frame 2, the sound insulation plates 3 are arranged on the periphery and the top side of the outer frame 2, and the outer frame 2 is surrounded by the sound insulation plates 3 to form a sound insulation box body structure; the engine unit mechanism 1 is arranged in the sound insulation box body structure through a damping structure, the damping structure comprises a damping bottom frame 5, a buffer frame 6, a unit mounting frame 7 and a buffer pad 8, a plurality of damping support plates are arranged on the bottom side of the damping bottom frame 5, and the plurality of damping support plates are fixedly connected with the support plate 4 through fasteners; the shock absorption chassis 5 is provided with a buffer frame 6 through bolts, the upper side of the buffer frame 6 is provided with a buffer pad 8, and a shock absorption spring 9 and a shock absorption rubber pad 10 are arranged between the buffer frame 6 and the buffer pad 8.

In this embodiment, the cushioning springs 9 are connected to the corners of the adjacent end faces of the cushioning frames 6 and the cushioning pads 8, and the cushioning rubber pads 10 are connected to the middle portions of the adjacent end faces of the cushioning frames 6 and the cushioning pads 8.

In this embodiment, the cushion middle 8 is recessed, and the unit mount 7 is mounted on the cushion 8. The unit mounting frame 7 is fixedly arranged at the bottom side end of the engine unit mechanism 1, the bottom side of the unit mounting frame 7 corresponds to the groove, and the unit mounting frame 7 is connected with the cushion pad 8 through a bolt.

In this embodiment, two sets of protection support structures are installed on two sides of the shock absorption chassis 5, and each set of protection support structure comprises a support frame 11 and an inclined strut 12.

In this embodiment, the supporting frame 11 is L-shaped, and the bottom end thereof is fixedly connected to the side end of the shock absorption chassis 5, and the inclined strut 12 is installed on the supporting frame 11.

In this embodiment, the sound insulation board 3 at the side end of the outer frame 2 is provided with a heat dissipation channel 13, the heat dissipation channel 13 is communicated with the sound insulation box body structure, and the heat dissipation channel 13 is connected with an external air-cooled radiator through a flange.

In this embodiment, the outer frame 2 that adopts to have the effect that gives sound insulation, acoustic celotex board 3 carry out syllable-dividing protection to engine unit, in addition in order to avoid the vibrations by a wide margin that unit work produced, will shake the buffering through setting up firm shock-absorbing structure to avoid the emergence of vibration noise from the source, improve engine unit continuous operation's stability and reliability.

When the unit is installed, the shock absorption structures are sequentially arranged at the bottom side of the unit, then the shock absorption structures are arranged at the inner side of the outer frame 2, and after the installation is finished, the outer frame 2 is surrounded into a sound insulation box body structure by using the sound insulation plate 3, so that the sound insulation of the unit is realized; in addition, in order to avoid the problem of unit heat dissipation, the heat dissipation channel 13 is arranged, and the heat dissipation channel 13 can be in butt joint with an external air-cooled radiator or an air conditioner, so that the unit can keep continuous and efficient heat dissipation, and the operation is more stable.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The marine engine unit with the sound insulation device is characterized by comprising an engine unit mechanism (1), an outer frame (2), sound insulation plates (3) and a damping structure, wherein the outer frame (2) is a rectangular frame, a supporting plate (4) is paved on the bottom side of the outer frame, the sound insulation plates (3) are arranged on the periphery and the top side of the outer frame (2), and the outer frame (2) is surrounded into a sound insulation box body structure through the sound insulation plates (3); the engine unit mechanism (1) is arranged in the sound insulation box body structure through a damping structure, the damping structure comprises a damping bottom frame (5), a buffer frame (6), a unit mounting frame (7) and a buffer pad (8), a plurality of damping support plates are arranged on the bottom side of the damping bottom frame (5), and the plurality of damping support plates are fixedly connected with the support plate (4) through fasteners; the shock absorption chassis is characterized in that a buffer frame (6) is arranged on the shock absorption chassis (5) through bolts, a buffer pad (8) is arranged on the upper side of the buffer frame (6), and a shock absorption spring (9) and a shock absorption rubber pad (10) are arranged between the buffer frame (6) and the buffer pad (8).

2. The marine engine block with sound insulation of claim 1, wherein: the cushioning springs (9) are connected to corners of the adjacent end faces of the cushioning frames (6) and the cushioning pads (8), and the cushioning rubber pads (10) are connected to the middle portions of the adjacent end faces of the cushioning frames (6) and the cushioning pads (8).

3. The marine engine block with sound insulation of claim 2, wherein: the middle part (8) of the buffer cushion is provided with a groove, and the buffer cushion (8) is provided with a unit mounting rack (7).

4. The marine engine block with sound insulation of claim 3, wherein: the engine unit mounting frame (7) is fixedly arranged at the bottom side end of the engine unit mechanism (1), the bottom side of the engine unit mounting frame (7) corresponds to the groove, and the engine unit mounting frame (7) is connected with the cushion pad (8) through a bolt.

5. The marine engine block with sound insulation of claim 1, wherein: two groups of protection supporting structures are arranged on two sides of the shock absorption chassis (5), and each group of protection supporting structures comprises a supporting frame (11) and an inclined strut (12).

6. The marine engine block with sound insulation of claim 5, wherein: the support frame (11) is L-shaped, the bottom end of the support frame is fixedly connected with the side end of the damping chassis (5), and the inclined support (12) is arranged on the support frame (11).

7. The marine engine block with sound insulation of claim 1, wherein: the heat dissipation channel (13) is arranged on the sound insulation plate (3) at the side end of the outer frame (2), the heat dissipation channel (13) is communicated with the sound insulation box body structure, and the heat dissipation channel (13) is connected with an external air cooling radiator through a flange.