CN110173559B - Cooling device and method for planetary reducer - Google Patents
Cooling device and method for planetary reducer Download PDFInfo
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- CN110173559B CN110173559B CN201910384862.1A CN201910384862A CN110173559B CN 110173559 B CN110173559 B CN 110173559B CN 201910384862 A CN201910384862 A CN 201910384862A CN 110173559 B CN110173559 B CN 110173559B
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- mounting seat
- heat dissipation
- cooling
- pipeline
- speed reducer
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0412—Cooling or heating; Control of temperature
- F16H57/0413—Controlled cooling or heating of lubricant; Temperature control therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0412—Cooling or heating; Control of temperature
- F16H57/0415—Air cooling or ventilation; Heat exchangers; Thermal insulations
- F16H57/0416—Air cooling or ventilation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0412—Cooling or heating; Control of temperature
- F16H57/0415—Air cooling or ventilation; Heat exchangers; Thermal insulations
- F16H57/0419—Thermal insulations
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to a cooling device of a planetary reducer, which comprises a reducer shell, wherein a lower end of the reducer shell is fixedly provided with a mounting seat; a heat dissipation pipeline is fixedly arranged on the mounting seat, and two ends of the heat dissipation pipeline are respectively communicated with two ends of the bottom surface of the speed reducer shell through metal pipelines; a turbine is arranged in the heat dissipation pipeline, and the heat dissipation pipeline is provided with a driving rod in a penetrating and rotating mode; a driving motor is arranged on the mounting seat; the mounting seat is provided with a semiconductor refrigerating sheet, a cooling fan, a detection probe which extends into the shell of the speed reducer to detect the temperature of lubricating oil in the speed reducer, and a controller; the controller is electrically connected with the detection probe and receives detection data of the detection probe, and controls the driving motor, the cooling fan and the semiconductor refrigerating sheet to operate according to the detection data; the multi-stage temperature control function can be achieved, the cooling performance is greatly improved, the temperature reduction requirements of the speed reducer in different rotating speed output running states can be met, the energy-saving effect is good, and the applicability is strong.
Description
Technical Field
The invention relates to the technical field, in particular to a cooling device and a cooling method for a planetary speed reducer.
Background
After the temperature of the planetary reducer is gradually increased, the viscosity of oil is reduced, an oil film is thinned, and friction heating is generated between a disc and a tile, so that the surface of the tile is burnt, and larger loss is caused;
at present, the planet speed reducer is cooled by the following methods: 1, adding enough lubricating oil according to the lubricating oil or lubricating grease grade recommended by the specification and the specified oil level; 2, the normal work of the lubricating oil pump and the smoothness of an oil path are ensured; 3, replacing a tumbler bearing of the robot speed reducer, and strengthening ventilation, such as cooling by adopting a large exhaust fan and reducing the ambient temperature; the former two ways can increase the use cost, and the overheating problem cannot be avoided; the latter approach requires continuous heat dissipation to the environment, which is costly and poorly adaptable.
Disclosure of Invention
The invention aims to solve the technical problem of providing a cooling device and a cooling method for a planetary reducer, aiming at the defects in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a cooling device of a planetary reducer is constructed, and comprises a reducer shell, wherein a mounting seat made of a metal material is fixedly arranged at the lower end of the reducer shell; a heat dissipation pipeline made of a metal material is fixedly arranged on the mounting seat, and two ends of the heat dissipation pipeline are respectively communicated with two ends of the bottom surface of the speed reducer shell through metal pipelines; a turbine is arranged in the heat dissipation pipeline, and a driving rod coaxially fixed with the turbine is arranged in the heat dissipation pipeline in a penetrating and rotating mode along the length direction of the heat dissipation pipeline; the mounting seat is provided with a driving motor for driving the driving rod to rotate; the mounting seat is provided with a semiconductor refrigeration piece for cooling the heat dissipation pipeline, a heat dissipation fan for dissipating heat of a heating surface of the semiconductor refrigeration piece and the heat dissipation pipeline, a detection probe extending into the speed reducer shell for detecting the temperature of lubricating oil in the speed reducer shell, and a controller; the controller is electrically connected with the detection probe and receives detection data of the detection probe, and controls the driving motor, the cooling fan and the semiconductor refrigeration piece to operate according to the detection data.
The cooling device of the planetary reducer is characterized in that the mounting seat is cuboid, and the upper surface of the mounting seat is provided with a groove matched with the bottom surface of the reducer shell in shape; the mounting seat and the speed reducer shell are fixed through welding or screw locking.
The planetary reducer cooling device is characterized in that the mounting seat is provided with a transverse through hole for mounting the heat dissipation pipeline; the two ends of the heat dissipation pipeline are closed, and the end faces of the two ends are respectively communicated with the speed reducer shell through one metal pipeline; the reducer shell is provided with an opening matched with the metal pipeline; and the outer surface of the metal pipeline is welded and sealed with the inner wall of the opening.
The cooling device of the planetary reducer is characterized in that one end of the mounting seat is provided with a motor mounting seat for mounting the driving motor; the controller is installed on the motor mounting seat.
According to the cooling device of the planetary speed reducer, the sealing bearings matched with the driving rod are arranged on the end faces of the two ends of the heat dissipation pipeline.
The cooling device for the planetary speed reducer is characterized in that the semiconductor refrigerating sheet is arranged on the lower surface of the mounting seat, and the refrigerating surface of the semiconductor refrigerating sheet is tightly attached to the lower surface of the mounting seat.
The cooling device of the planetary reducer is characterized in that a plurality of radiating fins are further arranged on the lower surface of the mounting seat; the semiconductor refrigerating sheet is positioned in the middle of the lower surface of the mounting seat; two ends of the side surface of the heat radiating fin facing the mounting seat are welded with the lower surface of the mounting seat, and an avoidance groove for avoiding the semiconductor refrigerating sheet is formed in the middle of the side surface of the heat radiating fin facing the mounting seat; the bottom surface of the avoiding groove is tightly attached to the heating surface of the semiconductor refrigerating sheet.
According to the cooling device for the planetary speed reducer, the fan mounting seat for mounting the cooling fan is further arranged on the mounting seat, and one side, away from the mounting seat, of the cooling fin is fixedly connected with the fan mounting seat.
The cooling device of the planetary reducer also comprises an inverted circular truncated cone type heat shield; the heat radiating fins form a fin group, and both ends of the lower surface of the fin group are arc-shaped and are detachably connected with the inner wall of the lower end opening of the heat insulation cover.
According to the planetary reducer cooling device, the implementation method comprises the following steps: the controller sets the temperature to four continuous temperature sections from low to high: a normal temperature section, a first dangerous temperature section, a second dangerous temperature section and a third dangerous temperature section;
when the temperature detected by the detection probe is in the normal temperature section, the controller does not act;
when the temperature detected by the detection probe is in the first dangerous temperature section, the temperature is slightly higher than the normal temperature section, the controller starts the driving motor, and the lubricating oil in the planetary speed reducer is pumped into the heat dissipation pipeline from one metal pipeline and flows back into the speed reducer shell from the other metal pipeline by means of the negative pressure of the turbine;
when the temperature detected by the detection probe is in the second dangerous temperature section, the controller starts the driving motor and simultaneously starts the cooling fan, and the cooling fan cools the cooling pipeline;
when the temperature detected by the detection probe is located in the third dangerous temperature section, the controller starts the semiconductor refrigerating sheet while starting the driving motor and the cooling fan, and the cooling surface of the semiconductor refrigerating sheet is used for rapidly cooling the cooling pipeline.
The invention has the beneficial effects that: the cooling area is increased through the mounting seat made of metal, meanwhile, the temperature of lubricating oil in the shell of the speed reducer is detected through the detection probe, the controller sequentially controls and starts the driving motor, the cooling fan and the semiconductor refrigerating sheet to carry out multistage cooling according to the temperature, the function of multistage temperature control is achieved, the cooling performance is greatly improved, the cooling requirement of the speed reducer in different rotating speed output running states can be met, the energy-saving effect is good, and the applicability is strong; and can directly reequip on current speed reducer, save the cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only part of the embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive efforts according to the accompanying drawings:
FIG. 1 is a transverse sectional view of a cooling device of a planetary reducer according to a preferred embodiment of the present invention;
FIG. 2 is a longitudinal sectional view of a temperature reducing device of a planetary reducer according to a preferred embodiment of the present invention;
fig. 3 is a schematic block diagram of a cooling device of a planetary reducer according to a preferred embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without inventive step, are within the scope of the present invention.
As shown in fig. 1 and also shown in fig. 2 and 3, the cooling device for a planetary reducer according to the preferred embodiment of the present invention includes a reducer casing 1, wherein a mounting seat 2 made of a metal material is fixedly disposed at a lower end of the reducer casing 1; a heat dissipation pipeline 3 made of metal materials is fixedly arranged on the mounting seat 2, and two ends of the heat dissipation pipeline 3 are respectively communicated with two ends of the bottom surface of the speed reducer shell 1 through metal pipelines 30; a turbine 31 is arranged in the heat dissipation pipeline 3, and a driving rod 32 coaxially fixed with the turbine 31 is arranged in the heat dissipation pipeline 3 in a penetrating and rotating mode along the length direction of the heat dissipation pipeline; the mounting base 2 is provided with a driving motor 20 for driving the driving rod 32 to rotate; the mounting seat 2 is provided with a semiconductor refrigeration piece 21 for cooling the heat dissipation pipeline 3, a heat dissipation fan 22 for dissipating heat of the heating surface of the semiconductor refrigeration piece 21 and the heat dissipation pipeline 3, a detection probe 23 extending into the speed reducer shell 1 for detecting the temperature of lubricating oil in the speed reducer shell, and a controller 24; the controller 24 is electrically connected with the detection probe 23 and receives detection data of the detection probe, and controls the driving motor 20, the cooling fan 22 and the semiconductor chilling plate 21 to operate according to the detection data;
the cooling area is increased through the mounting seat made of metal, meanwhile, the temperature of lubricating oil in the shell of the speed reducer is detected through the detection probe, the controller sequentially controls and starts the driving motor, the cooling fan and the semiconductor refrigerating sheet to carry out multistage cooling according to the temperature, the function of multistage temperature control is achieved, the cooling performance is greatly improved, the cooling requirement of the speed reducer in different rotating speed output running states can be met, the energy-saving effect is good, and the applicability is strong;
it should be noted that, after the semiconductor chilling plate is started to cool down, when the temperature detected by the detection probe is recovered to the normal temperature, the controller controls the semiconductor chilling plate to stop working.
Preferably, the mounting seat 2 is in a cuboid shape, and the upper surface of the mounting seat is provided with a slot 25 matched with the bottom surface of the reducer shell in shape; the mounting seat 2 and the speed reducer shell 1 are fixed by welding or screw locking; the assembly of being convenient for, the heat conduction is effectual, and the wholeness is good.
Preferably, the mounting seat 2 is provided with a transverse through hole 26 for mounting the heat dissipation pipeline 3; the two ends of the heat dissipation pipeline 3 are closed, and the end faces of the two ends are respectively communicated with the speed reducer shell 1 through a metal pipeline 30; the reducer shell 1 is provided with an opening matched with the metal pipeline 30; the outer surface of the metal pipeline is welded and sealed with the inner wall of the opening; the existing speed reducer is convenient to directly refit, and the cost is saved.
Preferably, one end of the mounting seat 2 is provided with a motor mounting seat 27 for mounting the driving motor 20; the controller 24 is mounted on the motor mount 27.
Preferably, the end faces of the two ends of the heat dissipation pipeline 3 are respectively provided with a sealing bearing which is matched and assembled with the driving rod 32; the sealing effect is guaranteed.
Preferably, the lower surface of the mounting seat 2 is provided with a semiconductor refrigeration piece 21, and the refrigeration surface of the semiconductor refrigeration piece 21 is tightly attached to the lower surface of the mounting seat 2; the quick heat dissipation and rapid cooling of the mounting seat, the speed reducer shell and the heat dissipation pipeline 3 in the mounting seat are facilitated.
Preferably, the lower surface of the mounting base 2 is further provided with a plurality of heat dissipation fins 28; the semiconductor refrigerating sheet 21 is positioned in the middle of the lower surface of the mounting seat 2; two ends of the side surface of the heat dissipation fin 28 facing the mounting seat 2 are welded with the lower surface of the mounting seat 2, and an avoidance groove 280 for avoiding the semiconductor refrigerating sheet 21 is formed in the middle of the side surface of the heat dissipation fin 28 facing the mounting seat 2; the bottom surface of the avoiding groove is tightly attached to the heating surface of the semiconductor refrigerating sheet; the assembly of being convenient for, the wholeness is good, and can be to the face rapid cooling that generates heat of semiconductor refrigeration piece.
Preferably, a fan mounting seat 29 for mounting the heat dissipation fan 22 is further disposed on the mounting seat 2, and one side of the heat dissipation fin 28 away from the mounting seat 2 is fixedly connected to the fan mounting seat 29.
Preferably, the heat-insulating cover also comprises an inverted circular truncated cone-shaped heat-insulating cover 4; the plurality of radiating fins 28 form a fin group, and both ends of the lower surface of the fin group are arc-shaped and are detachably connected with the inner wall of the lower end opening of the heat shield 4; the heat insulation cover 4 is used as a detachable auxiliary part, when the speed reducer needs to run at a high speed and the running temperature of the speed reducer is bound to need to be refrigerated by the semiconductor refrigerating sheet, the heat insulation cover is arranged on the radiating fins, and after hot air is blown out from the lower part by the radiating fan 22, the blown hot air is separated by the heat insulation cover, so that the influence of the hot air on the shell of the speed reducer and the mounting seat is avoided; under the condition that the semiconductor refrigerating sheet is not required to work for cooling, the heat insulation cover 4 needs to be detached, so that the phenomenon that the heat insulation cover blocks the heat dissipation of the speed reducer shell and the mounting seat is avoided.
According to the planetary reducer cooling device, the implementation method comprises the following steps: the controller sets the temperature to four continuous temperature sections from low to high: a normal temperature section, a first dangerous temperature section, a second dangerous temperature section and a third dangerous temperature section;
when the temperature detected by the detection probe is in the normal temperature section, the controller does not act;
when the temperature detected by the detection probe is in a first dangerous temperature section, the temperature is slightly higher than a normal temperature section, the controller starts the driving motor, and lubricating oil in the planetary speed reducer is pumped into the heat dissipation pipeline from one metal pipeline and flows back into the shell of the speed reducer from the other metal pipeline by means of negative pressure of the turbine;
when the temperature detected by the detection probe is in the second dangerous temperature section, the controller starts the driving motor and simultaneously starts the cooling fan, and the cooling fan cools the cooling pipeline;
when the temperature detected by the detection probe is in a third dangerous temperature section, the controller starts the driving motor and the cooling fan and simultaneously starts the semiconductor refrigerating sheet, and the cooling surface of the semiconductor refrigerating sheet is used for quickly cooling the cooling pipeline;
when the mount pad through metal material increases heat radiating area, carry out temperature detection through the lubricating oil of test probe in to the speed reducer shell, the controller carries out control in proper order according to this temperature and opens driving motor, radiator fan and semiconductor refrigeration piece and carry out multistage cooling, reaches multistage temperature control's function, promotes the cooling performance by a wide margin, and can adapt to the speed reducer and export the operating condition at different rotational speeds and descend the temperature demand, and energy-conserving effectual, the suitability is strong.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (8)
1. A cooling device for a planetary reducer comprises a reducer shell and is characterized in that a mounting seat made of a metal material is fixedly arranged at the lower end of the reducer shell; a heat dissipation pipeline made of a metal material is fixedly arranged on the mounting seat, and two ends of the heat dissipation pipeline are respectively communicated with two ends of the bottom surface of the speed reducer shell through metal pipelines; a turbine is arranged in the heat dissipation pipeline, and a driving rod coaxially fixed with the turbine is arranged in the heat dissipation pipeline in a penetrating and rotating mode along the length direction of the heat dissipation pipeline; the mounting seat is provided with a driving motor for driving the driving rod to rotate; the mounting seat is provided with a semiconductor refrigeration piece for cooling the heat dissipation pipeline, a heat dissipation fan for dissipating heat of a heating surface of the semiconductor refrigeration piece and the heat dissipation pipeline, a detection probe extending into the speed reducer shell for detecting the temperature of lubricating oil in the speed reducer shell, and a controller; the controller is electrically connected with the detection probe and receives detection data of the detection probe, and controls the driving motor, the cooling fan and the semiconductor refrigeration sheet to operate according to the detection data; the mounting seat is cuboid, and the upper surface of the mounting seat is provided with a groove matched with the bottom surface of the speed reducer shell in shape; the mounting seat and the speed reducer shell are fixedly welded or screwed; the mounting seat is provided with a transverse through hole for mounting the heat dissipation pipeline; the two ends of the heat dissipation pipeline are closed, and the end faces of the two ends are respectively communicated with the speed reducer shell through one metal pipeline; the reducer shell is provided with an opening matched with the metal pipeline; and the outer surface of the metal pipeline is welded and sealed with the inner wall of the opening.
2. The planetary reducer cooling device according to claim 1, wherein a motor mounting seat for mounting the driving motor is provided at one end of the mounting seat; the controller is installed on the motor mounting seat.
3. The planetary reducer cooling device according to claim 1, wherein sealing bearings fitted with the drive rod are provided on both end faces of the heat dissipation pipe.
4. The planetary reducer cooling device according to claim 1, wherein the semiconductor cooling plate is disposed on a lower surface of the mounting seat, and a cooling surface of the semiconductor cooling plate is closely attached to the lower surface of the mounting seat.
5. The planetary reducer cooling device according to claim 4, wherein a plurality of cooling fins are further provided on a lower surface of the mounting seat; the semiconductor refrigerating sheet is positioned in the middle of the lower surface of the mounting seat; two ends of the side surface of the heat radiating fin facing the mounting seat are welded with the lower surface of the mounting seat, and an avoidance groove for avoiding the semiconductor refrigerating sheet is formed in the middle of the side surface of the heat radiating fin facing the mounting seat; the bottom surface of the avoiding groove is tightly attached to the heating surface of the semiconductor refrigerating sheet.
6. The planetary reducer cooling device according to claim 5, wherein a fan mounting seat for mounting the fan is further provided on the mounting seat, and one side of the heat dissipation fin, which is away from the mounting seat, is fixedly connected with the fan mounting seat.
7. The planetary reducer cooling device according to claim 6, further comprising an inverted-cone-shaped heat shield; the heat radiating fins form a fin group, and both ends of the lower surface of the fin group are arc-shaped and are detachably connected with the inner wall of the lower end opening of the heat insulation cover.
8. A cooling method of a planetary reducer is applied to a cooling device of the planetary reducer as claimed in any one of claims 1 to 7, and is characterized by comprising the following steps: the controller sets the temperature to four continuous temperature sections from low to high: a normal temperature section, a first dangerous temperature section, a second dangerous temperature section and a third dangerous temperature section;
when the temperature detected by the detection probe is in the normal temperature section, the controller does not act;
when the temperature detected by the detection probe is in the first dangerous temperature section, the temperature is slightly higher than the normal temperature section, the controller starts the driving motor, and the lubricating oil in the planetary speed reducer is pumped into the heat dissipation pipeline from one metal pipeline and flows back into the speed reducer shell from the other metal pipeline by means of the negative pressure of the turbine;
when the temperature detected by the detection probe is in the second dangerous temperature section, the controller starts the driving motor and simultaneously starts the cooling fan, and the cooling fan cools the cooling pipeline;
when the temperature detected by the detection probe is located in the third dangerous temperature section, the controller starts the semiconductor refrigerating sheet while starting the driving motor and the cooling fan, and the cooling surface of the semiconductor refrigerating sheet is used for rapidly cooling the cooling pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910384862.1A CN110173559B (en) | 2019-05-09 | 2019-05-09 | Cooling device and method for planetary reducer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910384862.1A CN110173559B (en) | 2019-05-09 | 2019-05-09 | Cooling device and method for planetary reducer |
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| CN110173559A CN110173559A (en) | 2019-08-27 |
| CN110173559B true CN110173559B (en) | 2022-04-01 |
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| CN113904504A (en) * | 2021-10-08 | 2022-01-07 | 江苏松冈传动科技有限公司 | Planetary reducer motor with good heat dissipation effect |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201225783Y (en) * | 2008-06-19 | 2009-04-22 | 淮阴工学院 | System for regulating oil temperature of automatic speed variator semiconductor |
| CN105889472A (en) * | 2016-06-16 | 2016-08-24 | 安徽省含山县皖中减速机械有限公司 | Speed reducer shell rapidly achieving shock absorption and heat dissipation |
| CN105909772A (en) * | 2016-06-22 | 2016-08-31 | 安徽松科信息科技有限公司 | Reducer for industrial robot |
| CN206874797U (en) * | 2017-06-16 | 2018-01-12 | 太原煤气化龙泉能源发展有限公司 | A kind of gas pump station reductor cooling device |
| CN107131293A (en) * | 2017-06-26 | 2017-09-05 | 江苏欧邦电机制造有限公司 | A kind of efficient planet-gear speed reducer with heat sinking function |
| CN109282025A (en) * | 2018-11-30 | 2019-01-29 | 江西立德传动设备有限公司 | A kind of worm-gear speed reducer |
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