Speed reducer shell with cooling function
By designing a combination of transmission chamber and heat dissipation chamber in the reducer case, the lubricating oil path of spraying and circulating cooling is solved, and the problem of excessive temperature inside the reducer case is achieved effectively cooling and lubrication of the gear set. Extend the service life of the equipment.
Patent Information
- Application Number
- CN202421396128.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-18
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-06-18
AI Technical Summary
During operation, the gear friction generates a lot of heat, resulting in excessive internal temperature, causing gear deformation, increased vibration, equipment aging, and thus damage.
A reduction cabinet with cooling function is designed, including a transmission chamber and a heat dissipation chamber. An oil collecting plate is provided at the lower end of the transmission chamber. The oil pump output is connected to the heat dissipation pipe. The lubricating oil is circulated and cooled to spray the lubricating oil through the oil guide pipe and the collection pipe. Gear set and accelerate cooling using fan and cooling fins.
The lubricating oil circuit that sprays and circulates cooling effectively reduces the temperature of the gear set, avoids excessive oil temperature and extends the service life of the equipment.
Smart Images

Figure CN222351411U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of speed reducer casings, in particular to a speed reducer casing with a temperature reduction function. Background Art
[0002] Reducers are generally used in low-speed and high-torque transmission equipment. The purpose of deceleration is achieved by meshing the gear with a small number of teeth on the input shaft of the reducer with the large gear on the output shaft. When the gears in the reducer are frictionally meshed, a large amount of heat will be generated, causing the temperature inside the reducer housing to be too high. Excessive temperature will cause gear deformation, increased vibration, and aging of parts in the equipment, which will lead to damage to the reducer. Utility Model Content
[0003] The technical problem solved by the utility model is to provide a speed reducer housing with a temperature reduction function to solve the problems raised in the above background technology.
[0004] The technical problem solved by the utility model is achieved by adopting the following technical scheme: a reducer housing with a cooling function comprises a transmission cavity with a gear set installed and a heat dissipation cavity integrally installed on one side of the transmission cavity, an oil collecting pan is provided at the lower end of the transmission cavity, an oil pump connected to the oil collecting pan is provided in the heat dissipation cavity, an output port of the oil pump is connected to a heat dissipation pipe, the heat dissipation pipe is externally connected to an oil guide pipe, and is connected to a collecting pipe through the oil guide pipe, a plurality of groups of nozzles are distributed and installed at the upper end of the transmission cavity, the nozzles are connected to the collecting pipe through branch pipes, so as to spray lubricating oil to the gear set in the transmission cavity, an air inlet is provided on one side of the heat dissipation cavity, and an air outlet is provided on the other side, so as to cool the heat dissipation pipe.
[0005] As a further solution of the utility model:
[0006] A support plate is fixedly provided on one side of the lower end of the transmission cavity, on which a liquid level sensor is installed. The liquid level sensor is inserted into the oil collecting pan to detect the oil level in the oil collecting pan. A controller is also provided in the heat dissipation cavity, and the controller is electrically connected to the oil pump and the liquid level sensor.
[0007] As a further solution of the utility model:
[0008] The heat dissipation pipe is a coiled structure, and heat dissipation fins are annularly arranged at the outer end of the heat dissipation pipe. The heat dissipation fins are arranged relative to the wind direction flowing through the air inlet and the air outlet to quickly dissipate heat through the flowing wind.
[0009] As a further solution of the utility model:
[0010] An air inlet frame is installed at the air inlet, and the air inlet frame is fixed on the heat dissipation cavity by screws. Several groups of fans are installed on the air inlet frame to introduce air flow into the heat dissipation cavity. An air inlet filter is provided at the corresponding air inlet in the heat dissipation cavity to filter the introduced air and prevent dust and impurities from entering the heat dissipation cavity.
[0011] As a further solution of the utility model:
[0012] The air inlet filter comprises side panels symmetrically installed in the heat dissipation cavity and an air inlet filter slidably installed on the side panels, the side panels are located on both sides of the air inlet, and slide grooves are provided on the opposite sides of the side panels, and a corresponding slot is provided on the top of the heat dissipation cavity, and the air inlet filter is inserted into the slot, and the two sides of the air inlet filter are slidably installed in the slide grooves, and a top plate is provided at the upper end of the air inlet filter to abut against the upper end of the heat dissipation cavity, and a straight handle is provided at the outer end of the top plate for easy pulling by personnel, and the air inlet filter filters the air introduced into the heat dissipation cavity.
[0013] As a further solution of the utility model:
[0014] An air outlet filter is installed at the air outlet, and the air outlet filter is attached to the heat dissipation cavity and fixed by screws.
[0015] As a further solution of the utility model:
[0016] The oil guide pipe and the collecting pipe are installed at the outer end of the transmission cavity to further reduce the temperature through contact with the outside.
[0017] Compared with the prior art, the utility model has the following beneficial effects: nozzles are distributed on the upper end of the transmission cavity to spray lubricating oil on the gear set to cool the gear set and enhance the lubricity between the gears; the oil collecting pan collects the dripping oil droplets and delivers them into the heat dissipation pipe through an oil pump; a fan is provided at the air inlet on one side of the heat dissipation cavity to introduce air flow into the heat dissipation cavity; the heat dissipation pipe is quickly cooled through the heat dissipation fins, and the lubricating oil is then delivered to the nozzles through the oil guide pipe and the collecting pipe, thereby realizing the cooling oil circuit circulation, achieving the purpose of quickly cooling the gear set and avoiding excessive oil temperature in the transmission cavity. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a structural schematic diagram of the utility model;
[0019] Figure 2 The partial cross-sectional structure of the utility model is shown in FIG. Figure 1 ;
[0020] Figure 3 The partial cross-sectional structure of the utility model is shown in FIG. Figure 2 ;
[0021] Markings in the figure: 1. Transmission cavity; 2. Heat dissipation cavity; 3. Controller; 4. Air inlet frame; 11. Gear set; 12. Oil collecting tray; 13. Nozzle; 14. Support plate; 15. Liquid level sensor; 21. Oil pump; 22. Heat dissipation pipe; 23. Oil guide pipe; 24. Collecting pipe; 25. Branch pipe; 26. Heat dissipation fins; 41. Fan; 42. Side panel; 43. Slide; 44. Air inlet filter; 45. Top plate; 46. Straight handle; 47. Air outlet filter. DETAILED DESCRIPTION
[0022] In order to make the technical means for realizing the utility model, creative features, objectives and effects easy to understand, the utility model is further explained below with reference to specific illustrations.
[0023] like Figures 1 to 3 As shown,
[0024] The present embodiment provides a reduction gear housing with a cooling function, including a transmission cavity 1 with a gear set 11 installed and a heat dissipation cavity 2 integrally installed on one side of the transmission cavity 1, an oil collecting pan 12 is provided at the lower end of the transmission cavity 1, an oil pump 21 connected to the oil collecting pan 12 is provided in the heat dissipation cavity 2, an output port of the oil pump 21 is connected to a heat dissipation pipe 22, the heat dissipation pipe 22 is externally connected to an oil guide pipe 23, and is connected to a collecting pipe 24 through the oil guide pipe 23, a plurality of groups of nozzles 13 are distributed and installed on the upper end of the transmission cavity 1, the nozzles 13 are connected to the collecting pipe 24 through a branch pipe 25, so as to spray lubricating oil onto the gear set 11 in the transmission cavity 1, an air inlet is provided on one side of the heat dissipation cavity 2, and an air outlet is provided on the other side, so as to cool the heat dissipation pipe 22.
[0025] Specifically, the oil collecting pan 12 collects dripping oil droplets, the oil pump 21 extracts the high-temperature oil in the oil collecting pan 12, and dissipates heat and cools it through the heat dissipation pipe 22. The cooled lubricating oil is sent to the collecting pipe 24 through the oil guide pipe 23, and is transported to the nozzle 13 through the branch pipe 25. The nozzle 13 sprays the lubricating oil onto the gear set 11 to lubricate and cool the gear set 11.
[0026] In this embodiment, a support plate 14 is fixedly provided on one side of the lower end of the transmission cavity 1, and a liquid level sensor 15 is installed on the support plate 14. The liquid level sensor 15 is inserted into the oil collecting pan 12 to detect the oil level in the oil collecting pan 12; a controller 3 is also provided in the heat dissipation cavity 2, and the controller 3 is electrically connected to the oil pump 21 and the liquid level sensor 15.
[0027] In this embodiment, the heat dissipation pipe 22 is a coiled structure, and heat dissipation fins 26 are annularly arranged at the outer end of the heat dissipation pipe 22. The heat dissipation fins 26 are arranged relative to the wind direction flowing through the air inlet and the air outlet to quickly dissipate heat through the flowing wind.
[0028] An air inlet frame 4 is installed at the air inlet, and the air inlet frame 4 is fixed on the heat dissipation cavity 2 by screws. Several groups of fans 41 are installed on the air inlet frame 4 to introduce air flow into the heat dissipation cavity 2. An air inlet filter is provided at the corresponding air inlet in the heat dissipation cavity 2 to filter the introduced air and prevent dust and impurities from entering the heat dissipation cavity 2.
[0029] In this embodiment, the air inlet filter includes side panels 42 symmetrically installed in the heat dissipation cavity 2 and an air inlet filter 44 slidably installed on the side panels 42. The side panels 42 are located on both sides of the air inlet, and slide grooves 43 are provided on the opposite sides of the side panels 42. The top of the heat dissipation cavity 2 is correspondingly provided with slots, and the air inlet filter 44 is inserted into the slots. The two sides of the air inlet filter 44 are slidably installed in the slide grooves 43. The upper end of the air inlet filter 44 is provided with a top plate 45 to abut against the upper end of the heat dissipation cavity 2. The outer end of the top plate 45 is provided with a straight handle 46 for easy pulling by personnel. The air inlet filter 44 filters the air introduced into the heat dissipation cavity 2.
[0030] In this embodiment, an air outlet filter 47 is installed at the air outlet, and the air outlet filter 47 is attached to the heat dissipation cavity 2 and fixed by screws.
[0031] The oil guide pipe 23 and the collecting pipe 24 are installed at the outer end of the transmission cavity 1 to further reduce the temperature by contacting with the outside.
[0032] Specifically, a nozzle 13 is distributed at the upper end of the transmission cavity 1 to spray the lubricating oil on the gear set 11 to cool the gear set 11 and enhance the lubricity between the gears. The oil collecting pan 12 collects the dripping oil droplets and transports them into the heat dissipation pipe 22 through the oil pump 21. A fan 41 is provided at the air inlet on one side of the heat dissipation cavity 2 to introduce air flow into the heat dissipation cavity 2. The heat dissipation pipe 22 is quickly cooled through the heat dissipation fins 26, and the lubricating oil is then transported to the nozzle 13 through the oil guide pipe 23 and the collecting pipe 24, so as to realize the cooling oil circuit circulation, thereby achieving the purpose of quickly cooling the gear set 11 and avoiding excessive oil temperature in the transmission cavity 1.
[0033] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and the description only illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will also have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents. It should be noted that in this article, if there are first and second relationship terms such as only used to distinguish one entity or operation from another entity or operation, it does not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the term "include", "comprise" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements includes not only those elements, but also includes other elements that are not explicitly listed, or also includes elements inherent to such process, method, article or equipment. Without more constraints, an element defined by the phrase "comprising a..." does not exclude the existence of other identical elements in the process, method, article or apparatus comprising the element.
Claims
1. A reducer housing with a cooling function, characterized in that: It includes a transmission cavity with a gear set installed and a heat dissipation cavity integrally installed on one side of the transmission cavity, an oil collecting pan is provided at the lower end of the transmission cavity, an oil pump connected to the oil collecting pan is provided in the heat dissipation cavity, an output port of the oil pump is connected to a heat dissipation pipe, the heat dissipation pipe is externally connected to an oil guide pipe, and is connected to a collecting pipe through the oil guide pipe, a plurality of groups of nozzles are distributed and installed on the upper end of the transmission cavity, the nozzles are connected to the collecting pipe through branch pipes, so as to spray lubricating oil to the gear set in the transmission cavity, an air inlet is provided on one side of the heat dissipation cavity, and an air outlet is provided on the other side, so as to cool the heat dissipation pipe.
2. The speed reducer housing with a cooling function according to claim 1, characterized in that: A support plate is fixedly provided on one side of the lower end of the transmission cavity, on which a liquid level sensor is installed. The liquid level sensor is inserted into the oil collecting pan to detect the oil level in the oil collecting pan. A controller is also provided in the heat dissipation cavity, and the controller is electrically connected to the oil pump and the liquid level sensor.
3. The speed reducer housing with a cooling function according to claim 2, characterized in that: The heat dissipation pipe is a coiled structure, and heat dissipation fins are annularly arranged at the outer end of the heat dissipation pipe. The heat dissipation fins are arranged relative to the wind direction flowing through the air inlet and the air outlet to quickly dissipate heat through the flowing wind.
4. The speed reducer housing with a cooling function according to claim 1, characterized in that: An air inlet frame is installed at the air inlet, and the air inlet frame is fixed on the heat dissipation cavity by screws. Several groups of fans are installed on the air inlet frame to introduce air flow into the heat dissipation cavity. An air inlet filter is provided at the corresponding air inlet in the heat dissipation cavity to filter the introduced air.
5. The speed reducer housing with a cooling function according to claim 4, characterized in that: The air inlet filter comprises side panels symmetrically installed in the heat dissipation cavity and an air inlet filter slidably installed on the side panels, the side panels are located on both sides of the air inlet, and slide grooves are provided on the opposite sides of the side panels, and the top of the heat dissipation cavity is correspondingly provided with slots, the air inlet filter is inserted into the slots, and the two sides of the air inlet filter are slidably installed in the slide grooves, and a top plate is provided at the upper end of the air inlet filter to abut against the upper end of the heat dissipation cavity, and a straight handle is provided at the outer end of the top plate.
6. The speed reducer housing with a cooling function according to claim 4, characterized in that: An air outlet filter is installed at the air outlet, and the air outlet filter is attached to the heat dissipation cavity and fixed by screws.
7. The speed reducer housing with a cooling function according to claim 1, characterized in that: The oil guide pipe and the collecting pipe are installed at the outer end of the transmission cavity to further reduce the temperature through contact with the outside.