CN213808784U

CN213808784U - Marine gear box with good heat dissipation effect

Info

Publication number: CN213808784U
Application number: CN202022114474.2U
Authority: CN
Inventors: 朱彬
Original assignee: Hangzhou Geng Rong Machinery Co ltd
Current assignee: Hangzhou Geng Rong Machinery Co ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-07-27
Anticipated expiration: 2030-09-24

Abstract

The utility model relates to a marine gearbox with good heat dissipation effect, which comprises a gearbox main body and an air-cooled heat dissipation module which is detachably arranged at the bottom of the gearbox main body; the front end and the rear end of the gear box main body are respectively provided with a heat dissipation air hole, and the outer wall of the middle part of the gear box main body is provided with a circle of heat dissipation part; gear shafts for mounting gears are arranged on the heat dissipation air holes and are uniformly arranged at intervals along the circumferential direction of the gear box; each heat dissipation air hole is detachably provided with an air filter screen plate; the forced air cooling heat dissipation module is from up blowing down and dispels the heat to the radiating part, the utility model has the advantages of the radiating effect is good, occupies smallly.

Description

Marine gear box with good heat dissipation effect

Technical Field

The invention belongs to a gear box, and particularly relates to a marine gear box with a good heat dissipation effect.

Background

The marine gearbox with good heat dissipation effect is a marine transmission device which has the functions of reversing, clutching and decelerating and can bear the thrust of a propeller. The medium and high power marine diesel engine is usually high in rotating speed and cannot be reversed, so that the marine power unit can be formed only by matching with a marine gearbox with a good heat dissipation effect when in use.

Common gear box radiating mode is for setting up radiating fin on the gear box casing, improves the radiating effect through the area of contact who increases with the air, and this kind of mode radiating efficiency is not high and bulky, and it is great to receive ambient temperature to influence, and another kind is through initiative heat dissipation, also promptly through the fan initiative heat dissipation, but this kind of mode only can dispel the heat to gear box outer wall casing, and the radiating efficiency is also not high, consequently very much needs to design a gear box that the radiating effect is good.

Disclosure of Invention

The utility model aims at providing a marine gear box that radiating effect is good to the above-mentioned problem that exists among the prior art.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme: a marine gearbox with good heat dissipation effect comprises a gearbox main body and an air-cooled heat dissipation module which is detachably arranged at the bottom of the gearbox main body; the front end and the rear end of the gear box main body are respectively provided with a heat dissipation air hole, the outer wall of the middle part of the gear box main body is provided with a circle of heat dissipation part, and the heat dissipation part does not protrude out of the outer wall of the gear box main body; gear shafts for mounting gears are arranged on the heat dissipation air holes and are uniformly arranged at intervals along the circumferential direction of the gear box; each heat dissipation air hole is detachably provided with an air filter screen plate; the air-cooled heat dissipation module blows air from bottom to top to dissipate heat of the heat dissipation part.

The working principle and the beneficial effects are as follows: when the gearbox is used, the heat dissipation air holes at the front end and the rear end of the gearbox main body are arranged, so that the gearbox is opened, a large amount of heat generated in the gearbox can be greatly discharged, and the heat in the gearbox cannot be accumulated; the heat dissipation part on the outer wall of the gear box is dissipated by matching with the air cooling heat dissipation module, the air flow is from bottom to top, the principle of hot air rising is met, the heat generated by the gear box can be taken away quickly, the generated air flow can guide hot air exhausted from the front end and the rear end of the gear box main body, and the air exchange of the front end and the rear end of the gear box is accelerated; secondly, through the air filter screen plate, external dust can be reduced to a certain extent from directly entering the interior of the gear box main body, and dust accumulation is reduced; the heat dissipation part does not protrude out of the gear box body, and compared with the existing arrangement of heat dissipation fins, the space occupation can be effectively reduced.

Furthermore, both ends of the bottom of the gear box main body are respectively provided with a supporting block, the two supporting blocks are respectively positioned at the left end and the right end of the air-cooled heat dissipation module, and the bottoms of the supporting blocks protrude out of the bottom of the air-cooled heat dissipation module. This setting, forced air cooling heat dissipation module can carry out convulsions effectively to utilize the space effectively, make the space of gear box occupy lessly, conveniently place more, but through the supporting shoe snap-on other equipment.

Furthermore, the gear box main part is provided with a heat dissipation air duct matched with the air-cooled heat dissipation module, and the heat dissipation air duct is arranged upwards along the outer wall of the gear box main part. This setting allows the heat dissipation wind to pass through the wind channel that looses heat, flows along the outer wall of gear box main part, can take away the heat better, upwards discharges at last, can also directly blow away a large amount of dust in the air, reduces the probability that the dust runs toward both sides around the gear box main part.

Furthermore, spiral radiating pipes are wound outside the radiating parts, and water inlet ports and water outlet ports are formed in the spiral radiating pipes. This setting increases water-cooling or oil cooling heat dissipation, provides further heat dissipation to the radiating part through spiral cooling tube, can improve the radiating effect of radiating part greatly, and the cooperation forced air cooling can dispel the heat to spiral cooling tube, improves heat exchange efficiency greatly.

Furthermore, the contact part of the spiral radiating pipe and the radiating part is provided with radiating silicone grease or a heat conducting paste. This setting, through heat dissipation silicone grease or heat conduction paste fill the little clearance between spiral cooling tube and the radiating part, can improve the radiating efficiency greatly.

Furthermore, be equipped with temperature sensor on the gear box main part outer wall, temperature sensor and forced air cooling heat dissipation module communication connection. This setting carries out real-time temperature detection through temperature sensor to gear box main part outer wall, when the temperature is less than the setting value, can reduce or close forced air cooling heat dissipation module, when the temperature is higher than the setting value, can open or full power operation forced air cooling heat dissipation module, dispels the heat more effectively, effectively utilizes the electric energy, reduces the electric energy waste.

Furthermore, the air filter screen plate is a metal filter screen. This setting adopts long service life's metal filters, can increase maintenance cycle, filters large granule dust effectively, and is little to the influence of ventilation.

Furthermore, the air filter screen plate and the gear box main body are fixed through magnetic attraction or a connecting piece. The air filter screen plate can be conveniently disassembled and assembled.

Furthermore, the air-cooled heat dissipation module at least comprises two PWM fans. By the arrangement, the stepless speed regulation can be realized according to the temperature by utilizing the advantages of the PWM fan.

Furthermore, the heat dissipation air duct comprises a base arranged at the bottom of the gear box main body and two air deflectors arranged on the base, the air deflectors and the outer wall of the gear box main body form the heat dissipation air duct, a ventilation opening for blowing the air cooling heat dissipation module is arranged on the base, and the air cooling heat dissipation module is arranged at the bottom of the base. This setting, forced air cooling heat dissipation module bloies the radiating part through the blow vent, and the air enters into and flows along gear box main part outer wall in the heat dissipation wind channel to upwards discharge, wherein both ends are not confined around the aviation baffle, can mainly pull the guide to the steam at both ends around the gear box main part, improve the radiating effect.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a perspective view of the present invention;

FIG. 2 is another schematic view of FIG. 1;

fig. 3 is a side view of the present invention;

fig. 4 is a sectional view a-a in fig. 3.

In the figure, 1, a gear box main body; 2. an air-cooled heat dissipation module; 3. an air filter screen plate; 4. a support block; 5. a spiral radiating pipe; 6. a temperature sensor; 8. a heat dissipation air duct; 11. a heat dissipation air hole; 12. a heat dissipating section; 13. a gear shaft; 14. a base; 15. an air deflector; 16. a vent; 51. a water inlet interface; 52. And a water outlet interface.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purposes of limitation.

As shown in fig. 1-4, the marine gearbox with good heat dissipation effect comprises a gearbox main body 1 and an air-cooled heat dissipation module 2 fixed at the bottom of the gearbox main body 1 through screws;

specifically, the front end and the rear end of the gear box body 1 are both provided with heat dissipation air holes 11, the outer wall of the middle part of the gear box body 1 is provided with a circle of heat dissipation part 12, the heat dissipation part 12 does not protrude out of the outer wall of the gear box body 1, the heat dissipation part 12 is used for increasing the heat dissipation area with air, and in the embodiment, the heat dissipation parts 12 are arc-shaped protrusions one by one, so that the wind resistance can be reduced;

specifically, the heat dissipation air hole 11 is provided with a gear shaft 13 for mounting a gear, and the gear shaft 13 is uniformly arranged at intervals along the circumferential direction of the gear;

specifically, each heat dissipation air hole 11 is detachably provided with an air filter screen plate 3;

specifically, the air-cooled heat dissipation module 2 blows air from bottom to top to dissipate heat of the heat dissipation portion 12.

Specifically, both ends of the bottom of the gear box main body 1 are provided with a supporting block 4, the two supporting blocks 4 are respectively located at the left end and the right end of the air-cooled heat dissipation module 2, and the bottoms of the supporting blocks 4 protrude out of the bottom of the air-cooled heat dissipation module 2. This setting, air-cooled heat dissipation module 2 can carry out convulsions effectively to effectively utilize the space, make the space of gear box occupy lessly, more conveniently place, but through supporting shoe 4 snap-on other equipment, wherein supporting shoe 4 passes through screw fixation or welded fastening, perhaps as an organic whole with 1 bottom of gear box main part.

Specifically, be equipped with on the gear box main part 1 with the air-cooled heat dissipation module 2 complex heat dissipation wind channel 8, heat dissipation wind channel 8 sets up along 1 outer wall of gear box main part upwards. This setting, through heat dissipation wind channel 8 allow the heat dissipation wind to pass through, flow along the outer wall of gear box main part 1, can take away the heat better, upwards arrange away at last, can also directly blow away a large amount of dust in the air, reduce the probability that the dust runs to gear box main part 1 front and back both sides.

Specifically, the radiating part 12 is wound with a spiral radiating pipe 5, and the spiral radiating pipe 5 is provided with a water inlet connector 51 and a water outlet connector 52. This setting increases water-cooling or oil-cooling heat dissipation, provides further heat dissipation to heat dissipation part 12 through spiral cooling tube 5, can improve the radiating effect of heat dissipation part 12 greatly, and the cooperation forced air cooling can dispel the heat to spiral cooling tube 5, improves heat exchange efficiency greatly.

Specifically, the contact part of the spiral radiating pipe 5 and the radiating part 12 is provided with radiating silicone grease or heat conducting paste. This arrangement, the minute gap between the spiral radiating pipe 5 and the radiating part 12 is filled by the heat radiating silicone grease or the heat conducting paste, and the heat radiating efficiency can be greatly improved.

Specifically, be equipped with temperature sensor 6 on the 1 outer wall of gear box main part, temperature sensor 6 and air-cooled heat dissipation module 2 communication connection. This setting carries out real-time temperature through temperature sensor 6 to 1 outer wall of gear box main part and detects, when the temperature is less than the setting value, can reduce or close forced air cooling heat dissipation module 2, when the temperature is higher than the setting value, can open or full power operation forced air cooling heat dissipation module 2, dispels the heat more effectively, effectively utilizes the electric energy, reduces the electric energy waste.

Specifically, the air filter screen plate 3 is a metal filter screen. This setting adopts long service life's metal filters, can increase maintenance cycle, filters large granule dust effectively, and is little to the influence of ventilation, certainly can also be other filter screens.

Specifically, the air filter screen plate 3 and the gear box main body 1 are fixed through magnetic attraction or screws. With this arrangement, the air filter net plate 3 can be easily detached.

Specifically, the air-cooled heat dissipation module 2 at least includes two PWM fans. By the arrangement, the stepless speed regulation can be realized according to the temperature by utilizing the advantages of the PWM fan.

Specifically, the heat dissipation air duct 8 includes a base 14 disposed at the bottom of the gear box main body 1 and two air deflectors 15 disposed on the base 14, the air deflectors 15 and the outer wall of the gear box main body 1 form the heat dissipation air duct 8, a vent 16 for blowing the air-cooled heat dissipation module 2 is disposed on the base 14, and the air-cooled heat dissipation module 2 is disposed at the bottom of the base 14. According to the arrangement, the air-cooled heat dissipation module 2 blows the heat dissipation part 12 through the vent 16, air flows along the outer wall of the gear box main body 1 in the heat dissipation air duct 8 and is discharged upwards, wherein the front end and the rear end of the air deflector 15 are not closed, and hot air at the front end and the rear end of the gear box main body 1 can be mainly drawn and guided, so that the heat dissipation effect is improved.

The part of the utility model which is not described in detail is the prior art, so the utility model does not detail the part.

It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.

Although the terms of the gear box body 1, the air-cooled heat dissipation module 2, the air filter screen 3, the supporting block 4, the spiral heat dissipation pipe 5, the temperature sensor 6, the metal filter screen, the heat dissipation air duct 8, the heat dissipation air hole 11, the heat dissipation portion 12, the gear shaft 13, the base 14, the air deflector 15, the ventilation opening 16, the water inlet interface 51, the water outlet interface 52, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by the teaching of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as the present invention, fall within the protection scope of the present invention.

Claims

1. A marine gearbox with good heat dissipation effect is characterized by comprising a gearbox main body and an air-cooled heat dissipation module which is detachably arranged at the bottom of the gearbox main body; the front end and the rear end of the gear box main body are respectively provided with a heat dissipation air hole, and the outer wall of the middle part of the gear box main body is provided with a circle of heat dissipation part; gear shafts for mounting gears are arranged on the heat dissipation air holes and are uniformly arranged at intervals along the circumferential direction of the gear box; each heat dissipation air hole is detachably provided with an air filter screen plate; the air-cooled heat dissipation module blows air from bottom to top to dissipate heat of the heat dissipation part.

2. The marine gearbox with good heat dissipation effect as claimed in claim 1, wherein a support block is disposed at each of two ends of the bottom of the gearbox body, the two support blocks are respectively disposed at the left and right ends of the air-cooled heat dissipation module, and the bottom of each support block protrudes out of the bottom of the air-cooled heat dissipation module.

3. The marine gearbox with good heat dissipation effect as claimed in claim 1, wherein a heat dissipation air duct matched with the air-cooled heat dissipation module is arranged on the gearbox body, and the heat dissipation air duct is arranged upwards along the outer wall of the gearbox body.

4. The marine gearbox with good heat dissipation effect as claimed in claim 3, wherein a spiral heat dissipation pipe is wound outside the heat dissipation part, and a water inlet port and a water outlet port are formed in the spiral heat dissipation pipe.

5. The marine gearbox with good heat dissipation effect as claimed in claim 4, wherein a heat dissipation silicone grease or a heat conduction paste is disposed at a contact portion of the spiral heat dissipation pipe and the heat dissipation portion.

6. The marine gearbox with good heat dissipation effect as claimed in claim 1, wherein a temperature sensor is arranged on an outer wall of the gearbox body, and the temperature sensor is in communication connection with the air-cooled heat dissipation module.

7. The marine gearbox with good heat dissipation effect as defined in claim 1, wherein the air filter screen is a metal filter screen.

8. The marine gearbox with good heat dissipation effect as claimed in claim 7, wherein the air filter screen plate is fixed with the gearbox body through magnetic attraction or a connecting piece.

9. The marine gearbox with good heat dissipation effect as set forth in claim 6, wherein said air-cooled heat dissipation module comprises at least two PWM fans.

10. The marine gearbox with good heat dissipation effect according to claim 3, wherein the heat dissipation air duct comprises a base arranged at the bottom of the gearbox main body and two air deflectors arranged on the base, the air deflectors and the outer wall of the gearbox main body form the heat dissipation air duct, the base is provided with a ventilation opening for blowing the air-cooled heat dissipation module, and the air-cooled heat dissipation module is arranged at the bottom of the base.