Gear box with cooling function
By introducing a heat dissipation structure, cooling coil, and fan combination into the gearbox, the problem of heat accumulation in the gearbox is solved, achieving efficient cooling and extending the service life of the gearbox.
Patent Information
- Application Number
- CN202520195532.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-07
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-02-07
AI Technical Summary
Existing gearboxes generate a lot of heat due to friction during use, resulting in excessively high temperatures that affect gear strength and service life, and lack an effective cooling structure.
A gearbox with cooling function was designed, which adopts a combination of heat dissipation structure, cooling coil and cooling fan. Through heat conduction by heat dissipation fins, coolant exchange and heat dissipation by fan, rapid heat exchange and dissipation are achieved.
It effectively improves the cooling effect and service life of the gearbox. Through heat conduction by heat dissipation fins, heat exchange by cooling coils and heat dissipation by fans, it achieves rapid heat exchange and dissipation, thereby improving heat dissipation efficiency.
Smart Images

Figure CN223953205U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to gear box field, concretely is a gear box with cooling function. BACKGROUND
[0002] Gear box is widely used, for example, the application in wind turbine generator system, gear box is an important mechanical component and is widely used in wind turbine generator system. Its main function is to transmit the power generated by wind wheel under the action of wind to generator and make it get corresponding rotating speed. Usually, the rotating speed of wind wheel is very low, far from the rotating speed required for power generation of generator, and must be realized through the speed increasing effect of gear pair of gear box, so gear box is also called speed increasing box.
[0003] The existing gear box generates a large amount of heat in the process of use, the temperature can even reach hundreds of degrees, the temperature is too high to affect the strength of gear, so that the surface strength of gear is reduced, and damage is more likely to occur in the subsequent use process, thereby affecting the service life of gear. The gear box does not have a targeted cooling structure, therefore, a cooling assembly capable of rapid heat exchange and cooling is needed to be added to the gear box to rapidly exchange heat and dissipate heat, improve the cooling effect of the gear box, and ensure the use performance of the gear box. Therefore, the utility model provides a gear box with cooling function to solve the above problems. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a gear box with cooling function to solve the problems in the background.
[0005] To achieve the above object, the utility model provides the following technical scheme: a gear box with cooling function, comprising:
[0006] Gear box main part, the gear box main part both sides are provided with heat dissipation structure, the heat dissipation structure includes the heat dissipation opening of being set up in the gear box main part side wall, the gear box main part side wall between the heat dissipation opening is fixedly connected with the heat dissipation fin, the heat dissipation fin outside is provided with the heat dissipation frame.
[0007] Preferably, a plurality of groups of connecting holes are evenly distributed in the middle of the heat dissipation fin, cooling coils are connected in the connecting holes, sealing joints are provided at both ends of the cooling coils, the sealing joints at both ends are respectively communicated to a cooling water tank and a circulating water tank, the cooling coils are in close contact with the heat dissipation fin, dust screen meshes are fixedly connected outside the heat dissipation openings, the dust screen meshes are fastened by screws, dust screens are arranged in the middle of the dust screen meshes, the dust screens correspond to the heat dissipation openings, and the dust screen meshes are provided with a plurality of groups corresponding to the heat dissipation openings.
[0008] Preferably, the heat dissipation fin outer side is provided with a heat dissipation frame, the heat dissipation frame includes two side connecting plates, a plurality of fixing holes are formed in the connecting plates, fixing bolts are connected and fixed in the fixing holes, and the connecting plates are fixed on both sides of the side wall of the gear box body through the fixing bolts, a support plate is fixedly connected to one side of the connecting plate, the support plate is perpendicular to the connecting plate at 90 degrees, a fan fixing plate is fixedly connected between the support plates, ventilation openings are formed in the middle of the fan fixing plate on both sides, the ventilation openings are circular, fan frames are fixedly connected in the ventilation openings, the fan frames are cross-shaped, connecting holes are formed in the middle of the fan frames, transmission shafts are rotatably connected in the connecting holes, one side end of the transmission shaft is connected to the transmission output end of a driving motor, the driving motor is fixed to one side of the fan frame, and heat dissipation fans are fixedly connected to the outer side of the other side end of the transmission shaft.
[0009] Preferably, the heat dissipation frame front end is fixedly connected with a protective baffle, the protective baffle is fixedly connected to the outer side of the heat dissipation frame through bolts and blocks the front end of the ventilation opening, air exhaust through holes are formed in the protective baffle, the air exhaust through holes are circularly distributed, and the air exhaust through holes are provided with two groups corresponding to the ventilation openings.
[0010] Compared with the prior art, the heat dissipation frame has the advantages that:
[0011] The heat dissipation frame has the advantages that: the heat dissipation frame can extract and discharge heat from the gear box, and heat exchange can be performed, so that the heat exchange effect and efficiency can be effectively improved; the heat can be dissipated from the heat dissipation opening and conducted through the heat dissipation fins, so that the heat dissipation efficiency can be improved; the cooling coil is connected in the heat dissipation fins, the cooling coil is communicated with the cooling water tank and the circulating water tank at both ends, heat can be taken away through the flow of the cooling liquid, and the heat dissipation fan is arranged on the outer side, so that the remaining heat dissipation heat can be discharged, the heat dissipation effect is further improved, and the use effect is improved. BRIEF DESCRIPTION OF DRAWINGS
[0012] Fig. 1 It is a whole structure schematic view of the utility model;
[0013] Fig. 2 It is a structure explosion schematic view of the utility model;
[0014] Fig. 3 It is a structure schematic view of the heat dissipation frame in the utility model.
[0015] In the drawing: 1 gear box body, 2 heat dissipation fin, 3 cooling coil, 4 dust screen, 5 heat dissipation frame, 6 protective baffle, 7 air exhaust through hole, 8 heat dissipation opening, 9 connecting plate, 10 support plate, 11 ventilation opening, 12 fan frame, 13 heat dissipation fan. DETAILED DESCRIPTION
[0016] In order to make the purpose, technical scheme of the utility model carry out clearly, complete description, and the advantage is more clear and distinct, the following combining with the drawing to the utility model embodiment carries out further detailed explanation.Should understand, the specific embodiment described here is a part of the embodiment of the utility model, rather than all the embodiments, only use to explain the embodiment of the utility model, and does not use to limit the embodiment of the utility model, all other embodiments obtained by the ordinary skill in the art without making the creative labor are within the scope of the utility model protection.
[0017] Embodiment one: please refer to Figs. 1-3 The utility model provides a kind of technical scheme: a gear box with cooling function, comprising:
[0018] Gear box main body 1, gear box main body 1 both sides are provided with heat dissipation structure, heat dissipation structure includes the heat dissipation opening 8 of being set in the side wall of gear box main body 1, the side wall of gear box main body 1 between heat dissipation opening 8 is fixedly connected with heat dissipation fin 2, heat dissipation fin 2 outside is provided with heat dissipation frame 5;
[0019] Heat dissipation fin 2 middle is set with the evenly distributed several groups of connecting hole, connecting hole is connected with cooling coil pipe 3, cooling coil pipe 3 both ends are provided with sealing joint, and both ends sealing joint is communicated to cooling water tank and circulating water tank respectively, cooling coil pipe 3 is in close contact with heat dissipation fin 2, heat dissipation opening 8 outside is fixedly connected with dust screen 4, dust screen 4 is fastened by screw, dust screen is set in dust screen 4 middle, dust screen corresponds with heat dissipation opening 8, dust screen 4 is provided with several groups with heat dissipation opening 8 corresponding, heat can be dissipated outward in gear box main body 1 through heat dissipation opening 8, and heat conduction is carried out through heat dissipation fin 2, and cooling coil pipe 3 is in close contact with heat dissipation fin 2, cooling liquid is transported in cooling coil pipe 3, heat dissipation fin 2 can be exchanged and taken away in the process of cooling liquid movement, can effectively improve heat exchange effect, improve the cooling effect and efficiency of gear box main body 1, and dust screen 4 can shield heat dissipation opening 8, avoid that dust and water vapor from heat dissipation opening 8 place enter gear box main body 1 inside and influence use effect.
[0020] In actual use, the heat in the gear box body 1 can be dissipated outward through the heat dissipation opening 8 and conducted through the heat dissipation fins 2. The cooling coil 3 is in close contact with the heat dissipation fins 2, and the cooling liquid is conveyed in the cooling coil 3. The heat conducted by the heat dissipation fins 2 can be exchanged and taken away during the movement of the cooling liquid, which can effectively improve the heat exchange effect and the cooling effect and efficiency of the gear box body 1. The dust screen 4 can shield the heat dissipation opening 8 to prevent dust and water vapor from entering the gear box body 1 from the heat dissipation opening 8 and affecting the use effect. The connecting plates 9 on both sides of the heat dissipation frame 5 can facilitate the installation and removal of the heat dissipation frame 5, ensure the stability of the heat dissipation frame 5, and ensure the use of the heat dissipation effect of the heat dissipation frame 5. The fan heat fan 13 in the heat dissipation frame 5 can extract and discharge the heat that is not exchanged and taken away by the cooling coil 3, further improving the cooling and heat dissipation performance and use effect. The protective baffle 6 can improve the protection performance at the air vent 11, and the air exhaust holes 7 on the protective baffle 6 can ensure the exhaust of hot air and provide a guiding effect.
[0021] The protective baffle 6 is fixedly connected to the outside of the heat dissipation frame 5 and blocks the front end of the air vent 11 by bolts. The air exhaust holes 7 are circularly distributed on the protective baffle 6. There are two groups of air exhaust holes 7 corresponding to the air vent 11. The protective baffle 6 can improve the protection performance at the air vent 11, and the air exhaust holes 7 on the protective baffle 6 can ensure the exhaust of hot air and provide a guiding effect.
[0022] In actual use, the heat in the gear box body 1 can be dissipated outward through the heat dissipation opening 8 and conducted through the heat dissipation fins 2. The cooling coil 3 is in close contact with the heat dissipation fins 2, and the cooling liquid is conveyed in the cooling coil 3. The heat conducted by the heat dissipation fins 2 can be exchanged and taken away during the movement of the cooling liquid, which can effectively improve the heat exchange effect and the cooling effect and efficiency of the gear box body 1. The dust screen 4 can shield the heat dissipation opening 8 to prevent dust and water vapor from entering the gear box body 1 from the heat dissipation opening 8 and affecting the use effect. The connecting plates 9 on both sides of the heat dissipation frame 5 can facilitate the installation and removal of the heat dissipation frame 5, ensure the stability of the heat dissipation frame 5, and ensure the use of the heat dissipation effect of the heat dissipation frame 5. The fan heat fan 13 in the heat dissipation frame 5 can extract and discharge the heat that is not exchanged and taken away by the cooling coil 3, further improving the cooling and heat dissipation performance and use effect. The protective baffle 6 can improve the protection performance at the air vent 11, and the air exhaust holes 7 on the protective baffle 6 can ensure the exhaust of hot air and provide a guiding effect.
[0023] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A gearbox with a cooling function, characterized in that: include: The gearbox body (1) has heat dissipation structures on both sides. The heat dissipation structures include several heat dissipation holes (8) on the side wall of the gearbox body (1). Heat dissipation fins (2) are fixedly connected to the side wall of the gearbox body (1) between the heat dissipation holes (8). Heat dissipation racks (5) are provided on the outside of the heat dissipation fins (2). The heat dissipation fin (2) has several sets of evenly distributed connecting holes in the middle, and a cooling coil (3) is connected in the connecting holes. The cooling coil (3) has sealing joints at both ends, and the sealing joints at both ends are respectively connected to the cooling water tank and the circulating water tank. The cooling coil (3) is in close contact with the heat dissipation fin (2). A dustproof screen (4) is fixedly connected to the outside of the heat dissipation port (8). The dustproof screen (4) is fastened by screws. A dustproof net is set in the middle of the dustproof screen (4). The dustproof net corresponds to the heat dissipation port (8). The dustproof screen (4) has several sets corresponding to the heat dissipation port (8).
2. A gearbox with cooling function according to claim 1, characterized in that: A heat dissipation frame (5) is provided on the outside of the heat dissipation fin (2). The heat dissipation frame (5) includes connecting plates (9) on both sides. Several fixing holes are provided on the connecting plates (9). Fixing bolts are connected in the fixing holes and the connecting plates (9) are fixed to the side walls of the gearbox body (1) by fixing bolts. A support plate (10) is fixedly connected to the front end of one side of the connecting plate (9). The support plate (10) is set at a 90-degree angle to the connecting plate (9). A fan fixing plate is fixedly connected between the support plates (10). Ventilation openings (11) are provided on both sides of the middle of the fan fixing plate. The ventilation openings (11) are circular. A fan frame (12) is fixedly connected in the ventilation openings (11). The fan frame (12) is cross-shaped. A connecting hole is provided in the middle of the fan frame (12). A drive shaft is rotatably connected in the connecting hole. One end of the drive shaft is connected to the drive output end of the drive motor. The drive motor is fixed on one side of the fan frame (12). A cooling fan (13) is fixedly connected to the outside of the other end of the drive shaft.
3. A gearbox with cooling function according to claim 1, characterized in that: The front end of the heat sink (5) is fixedly connected to a protective baffle (6). The protective baffle (6) is fixedly connected to the outside of the heat sink (5) by bolts and blocks the front end of the vent (11). The protective baffle (6) is provided with exhaust holes (7). The exhaust holes (7) are distributed in a circle. The exhaust holes (7) are provided with two sets corresponding to the vent (11).