CN116733953B - Planetary reducer for multi-drive vehicle gearbox - Google Patents
Planetary reducer for multi-drive vehicle gearbox Download PDFInfo
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- CN116733953B CN116733953B CN202311018898.0A CN202311018898A CN116733953B CN 116733953 B CN116733953 B CN 116733953B CN 202311018898 A CN202311018898 A CN 202311018898A CN 116733953 B CN116733953 B CN 116733953B
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 27
- 239000003921 oil Substances 0.000 claims abstract description 168
- 230000005540 biological transmission Effects 0.000 claims abstract description 82
- 239000007788 liquid Substances 0.000 claims abstract description 65
- 239000010687 lubricating oil Substances 0.000 claims abstract description 45
- 238000012544 monitoring process Methods 0.000 claims abstract description 34
- 238000002347 injection Methods 0.000 claims abstract description 28
- 239000007924 injection Substances 0.000 claims abstract description 28
- 230000005484 gravity Effects 0.000 claims description 27
- 230000007246 mechanism Effects 0.000 claims description 18
- 230000001276 controlling effect Effects 0.000 claims description 17
- 230000007704 transition Effects 0.000 claims description 16
- 238000001514 detection method Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 9
- 238000005057 refrigeration Methods 0.000 claims description 8
- 239000012466 permeate Substances 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 230000001050 lubricating effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 239000000446 fuel Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000007363 regulatory process Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Classifications
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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
-
- 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
- F16H57/042—Guidance of lubricant
- F16H57/0421—Guidance of lubricant on or within the casing, e.g. shields or baffles for collecting lubricant, tubes, pipes, grooves, channels or the like
- F16H57/0423—Lubricant guiding means mounted or supported on the casing, e.g. shields or baffles for collecting lubricant, tubes or pipes
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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
- F16H57/0434—Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps ; Pressure control
- F16H57/0436—Pumps
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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
- F16H57/0456—Lubrication by injection; Injection nozzles or tubes therefor
-
- 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
- F16H57/048—Type of gearings to be lubricated, cooled or heated
- F16H57/0482—Gearings with gears having orbital motion
-
- 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
- F16H57/08—General details of gearing of gearings with members having orbital motion
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention relates to the technical field of speed reducers, and discloses a planetary speed reducer for a multi-drive vehicle gearbox, which comprises a gearbox shell, wherein the gearbox shell comprises a middle shell, two side walls of the middle shell are respectively and detachably provided with a side shell through bolts, the outer side wall of the side shell is also and detachably provided with a disassembly head through bolts, and a planetary transmission gear set is arranged in a cavity enclosed by the middle shell, the side shell and the disassembly head; the invention is beneficial to monitoring the humidity among the planetary transmission gear sets through the humidity monitoring module, the temperature monitoring module and the control module, if the humidity is lower than the set minimum humidity value, the control module is used for controlling the oil injection assembly, and the lubricating oil stored in the oil collecting tank is conveyed into the annular inner groove of the annular inner cavity of the annular gear through the liquid discharge pipe, so that the lubricity among the planetary transmission gear sets is improved, the humidity and the temperature among the planetary transmission gear sets are monitored in real time, and the automatic oil injection is controlled.
Description
Technical Field
The invention relates to the technical field of speed reducers, in particular to a planetary speed reducer for a multi-drive vehicle gearbox.
Background
The planetary reducer is a transmission device, and the revolution number of a motor reaches a preset revolution number through a speed change device in the transmission device, so that larger torque is obtained, gears with fewer teeth on a driving shaft of the planetary reducer are meshed with larger gears on an output shaft, a speed reduction effect is achieved, and in order to obtain an ideal speed reduction effect, a common speed reducer is provided with a plurality of pairs of gears with the same principle, and the ratio of the teeth number between the gears is the gear ratio.
The existing planetary double-speed reducer is mainly composed of an inner gear ring tightly combined on a gear box shell, a sun gear driven by external power is arranged in the center of ring gear, a group of planetary gear sets which are equally combined on a tray by three gears are arranged between the inner gear ring and the sun gear, the group of planetary gears float between the inner gear ring and the sun gear, when the power on the power input side of the planetary reducer drives the sun gear, the planetary gear can be driven to rotate and revolve along the center along the track of the inner gear ring, and the planetary gear rotates to drive a power output shaft connected with the tray to output power.
However, the planetary reducer still has certain disadvantages in the use process: when the planetary reducer drives the sun gear through power on the power input side, the planetary gear meshed with the periphery of the sun gear rotates and revolves along the center along the track of the inner gear ring, and in the process of high-speed rotation, the sun gear and the planetary gear are influenced by high torque, so that stronger friction force is generated, and the wear between gears is serious;
therefore, the humidity and the temperature among the planetary transmission gear sets are monitored in real time, and when the planetary transmission gear sets are too dry and the temperature is too high, the oil spraying assembly is automatically controlled to spray and lubricate the planetary transmission gear sets, so that friction among the planetary transmission gear sets is reduced, and the service life of equipment is prolonged.
Thus, there is a need for a new planetary reducer for a multi-drive transmission.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a planetary reducer for a multi-drive gearbox, which is used for solving the problems in the prior art that how to monitor the humidity and the temperature among planetary transmission gear sets in real time and automatically control a fuel injection assembly to spray and lubricate the planetary transmission gear sets when the planetary transmission gear sets are too dry and the temperature is too high so as to reduce friction among the planetary transmission gear sets and prolong the service life of equipment.
The invention provides the following technical scheme: the planetary reducer for the multi-drive gearbox comprises a gearbox shell, wherein the gearbox shell comprises a middle shell, two side walls of the middle shell are respectively and detachably provided with a side shell through bolts, the outer side wall of the side shell is also and detachably provided with a disassembly head through bolts, a planetary transmission gear set is arranged in a cavity enclosed by the middle shell, the side shell and the disassembly head,
the planetary transmission gear set comprises a gear transmission part, a transmission side plate, an input roll shaft, an output roll shaft and a bearing, wherein the gear transmission part comprises ring teeth, a sun gear, a planetary gear and an inserting shaft;
the outer wall of the ring gear is fixedly connected with the inner wall of the middle shell, a sun gear is arranged at the center of the ring gear, planetary gears which are circumferentially arranged are arranged between the inner side wall of the ring gear and the outer side wall of the sun gear, and the edges of the planetary gears are meshed with the contact surfaces of the ring gear and the planetary gears;
an annular inner groove is formed in the annular tooth, and a through hole communicated with the annular inner groove is formed in the inner side wall of the annular tooth;
the inner cavity of the side shell is also provided with a liquid flow regulating mechanism positioned at the outer side of the transmission side plate, two sides of the bottom of the inner cavity of the middle shell are provided with a baffle plate, the bottom of the outer wall of the middle shell is provided with an oil return mechanism, and the top of the outer wall of the middle shell is provided with a high-temperature oil tank;
the liquid flow regulating mechanism comprises a liquid flow transition assembly, a liquid discharge pipe, a liquid inlet pipe, a first electromagnetic valve, a first oil pump, a second oil pump and a second electromagnetic valve, wherein the liquid flow transition assembly comprises an oil collecting tank, a refrigerating pipe, a refrigerator and a fixing plate;
the refrigerating pipe and the refrigerator form a refrigerating assembly, the first electromagnetic valve and the first oil pump form an injection assembly, and the second oil pump and the second electromagnetic valve form a feeding assembly;
the chamber enclosed by the middle shell, the side shell and the disassembly and assembly head is also provided with a humidity monitoring module, a temperature monitoring module and a control module;
the humidity monitoring module comprises a humidity detection unit and a humidity comparison unit, wherein the humidity detection unit detects humidity during transmission among planetary transmission gear sets and forms humidity information, the humidity comparison unit receives the humidity information and compares the humidity information with a preset minimum humidity threshold, and if the humidity information is lower than the minimum humidity threshold, first judgment information is output;
the control module receives first judging information to form control of an oil injection assembly, controls and starts a first electromagnetic valve and a first oil pump in the oil injection assembly, and further conveys lubricating oil stored in an oil collecting tank into an annular inner groove of an annular tooth inner cavity through a liquid discharge pipe, and in the revolution process around the axis, the planetary gear takes a sun gear as an axis along the inner side of the annular tooth, and in the revolution process around the axis, the lubricating oil in the annular inner groove of the annular tooth inner cavity permeates the surface of the planetary gear through a through hole formed in the inner side of the annular tooth, and the sun gear meshed with the planetary gear is gradually adhered with the lubricating oil;
the temperature monitoring module comprises a temperature detection unit and a temperature comparison unit, wherein the temperature detection unit detects the temperature during transmission among planetary transmission gear sets and forms temperature information, the temperature comparison unit receives the temperature information and compares the temperature information with a preset maximum temperature threshold, and if the temperature information is higher than the maximum temperature threshold, second judgment information is output;
the second judging information is received through the control module to control the refrigerating assembly and the oil injection assembly, the starting of a refrigerator in the refrigerating assembly is controlled to be started, and the surface body of the oil collecting tank is refrigerated through a refrigerating pipe in telecommunication connection with the refrigerating assembly, so that the temperature of lubricating oil stored in the inner cavity of the oil collecting tank is reduced, and cold lubricating oil with lower temperature is formed;
the first electromagnetic valve and the first oil pump in the oil injection assembly are further controlled to be started, cold lubricating oil stored in the oil collecting tank is conveyed into the annular inner groove of the annular gear inner cavity through the liquid discharge pipe, and in the transmission process of the planetary gears and the sun gears in the planetary transmission gear set, the cold lubricating oil in the annular inner groove of the annular gear inner cavity permeates between contact surfaces of the planetary gears and the sun gears through the through holes formed in the inner sides of the annular gears, so that the temperature is reduced, and meanwhile, the contact surfaces of the gears are lubricated.
Further, the axis of the sun gear is fixedly sleeved with the axis of a transmission side plate through a plug-in shaft, and a side wall of the transmission side plate far away from the sun gear is fixedly sleeved with the inner end of the input roll shaft.
Further, the axis of the planetary gear is fixedly sleeved with the corner of the other transmission side plate through the inserting shaft, and the axis of the transmission side plate is fixedly sleeved with the inner end of the output roll shaft.
Furthermore, the surfaces of the input roll shaft and the output roll shaft are respectively provided with a bearing, an inner ring layer of the bearing is fixedly sleeved on the outer surface of the input roll shaft or the output roll shaft, and an outer ring layer of the bearing is fixedly connected with the inner wall of the side shell.
Further, the liquid flow transition assembly is arranged at the bottom of the outer ring layer of the bearing, the bottom end of the liquid flow transition assembly is connected with the annular inner groove in the annular tooth through a liquid discharge pipe, and a first electromagnetic valve and a first oil pump are sequentially arranged on the surface body of the liquid discharge pipe from top to bottom.
Further, the top of the liquid flow transition assembly is connected with the bottom of the inner cavity of the high-temperature oil tank through a liquid inlet pipe, and a second oil pump and a second electromagnetic valve are sequentially arranged on the surface body of the liquid inlet pipe from bottom to top.
Further, the top of oil collecting tank carries out fixed connection through the bottom of fixed plate and bearing outer lane layer, the refrigeration pipe is installed in the lateral wall of oil collecting tank, the setting of refrigerator is in the bottom of oil collecting tank, just the output of refrigerator carries out telecommunication connection with the input of refrigeration pipe. Further, a gravity monitoring module is further arranged in the oil collecting tank, the gravity monitoring module comprises a gravity detecting unit and a gravity comparing unit, the gravity detecting unit detects the weight of the lubricating oil filled in the inner cavity of the oil collecting tank, if the weight reaches a set lowest gravity threshold value, third judgment information is output, and if the weight reaches a set highest gravity threshold value, fourth judgment information is output;
the third judging information is received through the control module to control the feeding assembly, and the second electromagnetic valve and the second oil pump in the feeding assembly are controlled to be opened so as to convey lubricating oil stored in the high-temperature oil tank into the oil collecting tank for standby;
and receiving fourth judgment information through the control module, controlling the feeding assembly again, controlling the second electromagnetic valve and the second oil pump in the feeding assembly to be closed, and stopping feeding when the lubricating oil stored in the oil collecting tank is full.
Further, the oil return mechanism comprises an oil return tank, an oil return pipe, a liquid supply pipe and a third oil pump, wherein the oil return tank is arranged at the bottom of the outer wall of the middle shell, the top end of the oil return tank is fixedly sleeved with the oil return pipe penetrating through the bottom wall of the middle shell, the side wall of the oil return tank is provided with the third oil pump, the output shaft of the third oil pump is connected with one end of the liquid supply pipe, and the other end of the liquid supply pipe is connected with the top of the inner cavity of the high-temperature oil tank.
The invention has the technical effects and advantages that:
according to the invention, the humidity monitoring module, the temperature monitoring module and the control module are arranged, so that the humidity monitoring module is beneficial to monitoring the humidity among planetary transmission gear sets, if the humidity is lower than a set minimum humidity value, the control module is used for controlling the oil injection assembly, controlling the first electromagnetic valve and the first oil pump in the oil injection assembly to be started, further, the lubricating oil stored in the oil collecting tank is conveyed into the annular inner groove of the inner cavity of the ring gear through the liquid discharge pipe, and in the process that the planetary gear drives along the circumference of the inner side of the ring gear, the lubricating oil in the annular inner groove of the inner cavity of the ring gear permeates the surface of the planetary gear through the through hole formed in the inner side of the ring gear, so that the lubricity among the planetary transmission gear sets is improved;
the temperature monitoring module is used for monitoring the temperature during transmission among planetary transmission gear sets, if the temperature is higher than the set highest temperature value, the control module is used for controlling the refrigeration assembly and the oil injection assembly, controlling the starting of the refrigerator in the refrigeration assembly, refrigerating the surface body of the oil collecting tank through the refrigeration pipe so as to reduce the temperature of lubricating oil stored in the inner cavity of the oil collecting tank, further controlling the starting of the first electromagnetic valve and the first oil pump in the oil injection assembly, conveying the lubricating oil stored in the oil collecting tank into the annular inner groove of the inner cavity of the ring gear through the liquid discharge pipe, and in the transmission process of the planetary gear and the sun gear in the planetary transmission gear set, the lubricating oil in the annular inner groove of the inner cavity of the ring gear penetrates between the contact surfaces of the planetary gear and the sun gear through the through holes formed in the inner side of the ring gear, so that the temperature is reduced and the lubricating property is improved;
the humidity and the temperature among the planetary transmission gear sets are monitored in real time, and when the planetary transmission gear sets are too dry and the temperature is too high, the oil spraying assembly is automatically controlled to spray and lubricate the planetary transmission gear sets, so that friction among the planetary transmission gear sets is reduced, and the service life of equipment is prolonged.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic cross-sectional view of the whole structure of the present invention.
FIG. 3 is an exploded schematic view of the planetary gear set structure of the present invention.
FIG. 4 is a schematic elevational view of the planetary gear set and flow control mechanism and oil return mechanism of the present invention.
Fig. 5 is a schematic cross-sectional view of a ring gear structure according to the present invention.
Fig. 6 is a schematic diagram of the structure at a in the present invention.
FIG. 7 is a schematic rear view of the planetary gear set and flow control mechanism and oil return mechanism of the present invention.
FIG. 8 is a schematic diagram of a system for monitoring temperature and humidity and controlling fuel injection in accordance with the present invention.
The reference numerals are: 1. a gear box housing; 101. a middle shell; 102. a side case; 103. disassembling and assembling the head; 2. a planetary drive gear set; 201. a gear transmission part; 2011. ring teeth; 2012. a sun gear; 2013. a planetary gear; 2014. a plug-in shaft; 202. a transmission side plate; 203. an input roll shaft; 204. an output roller shaft; 205. a bearing; 3. a liquid flow regulating mechanism; 301. a flow transition assembly; 3011. an oil collecting tank; 3012. a refrigeration tube; 3013. a refrigerator; 3014. a fixing plate; 302. a liquid discharge pipe; 303. a liquid inlet pipe; 304. a first electromagnetic valve; 305. a first oil pump; 306. a second oil pump; 307. a second electromagnetic valve; 4. a high temperature oil tank; 5. an oil return mechanism; 501. an oil return tank; 502. an oil return pipe; 503. a liquid supply pipe; 504. a third oil pump; 6. a partition plate; 7. a humidity monitoring module; 701. a humidity detection unit; 702. a humidity comparison unit; 8. a temperature monitoring module; 801. a temperature detection unit; 802. a temperature comparison unit; 9. a gravity monitoring module; 901. a gravity detection unit; 902. a gravity force comparison unit; 10. and a control module.
Detailed Description
The present invention will be described more fully with reference to the accompanying drawings, in which the configuration of each structure described in the following embodiments is merely illustrative, and a planetary reducer for a multi-drive transmission according to the present invention is not limited to each structure described in the following embodiments, but all other embodiments obtained by a person skilled in the art without making any creative effort are within the scope of protection of the present invention.
Referring to fig. 1-8, the invention provides a planetary reducer for a multi-drive gearbox, which comprises a gearbox shell 1, wherein the gearbox shell 1 comprises a middle shell 101, two side walls of the middle shell 101 are respectively and detachably provided with a side shell 102 through bolts, the outer side wall of the side shell 102 is also and detachably provided with a disassembly head 103 through bolts, and a planetary transmission gear set 2 is arranged in a cavity enclosed by the middle shell 101, the side shell 102 and the disassembly head 103;
the planetary gear set 2 comprises a gear transmission part 201, a transmission side plate 202, an input roll shaft 203, an output roll shaft 204 and a bearing 205, wherein the gear transmission part 201 comprises ring teeth 2011, a sun gear 2012, a planetary gear 2013 and a plug-in shaft 2014;
the outer wall of the ring gear 2011 is fixedly connected with the inner wall of the middle shell 101, a sun gear 2012 is arranged at the center of the ring gear 2011, a planetary gear 2013 which is circumferentially arranged is arranged between the inner side wall of the ring gear 2011 and the outer side wall of the sun gear 2012, and the edges of the planetary gear 2013 are meshed with the contact surfaces of the ring gear 2011 and the planetary gear 2013;
the axle center of the sun gear 2012 is fixedly sleeved with the axle center of one transmission side plate 202 through a plug-in shaft 2014, and one side wall of the transmission side plate 202 far away from the sun gear 2012 is fixedly sleeved with the inner end of the input roller shaft 203;
the axle center of the planetary gear 2013 is fixedly sleeved with the corner of the other transmission side plate 202 through a plug-in shaft 2014, and the axle center of the transmission side plate 202 is fixedly sleeved with the inner end of the output roller shaft 204;
the surfaces of the input roll shaft 203 and the output roll shaft 204 are respectively provided with a bearing 205, the inner ring layer of the bearing 205 is fixedly sleeved on the outer surface of the input roll shaft 203 or the output roll shaft 204, and the outer ring layer of the bearing 205 is fixedly connected with the inner wall of the side shell 102;
the inner cavity of the side shell 102 is also provided with a liquid flow regulating mechanism 3 positioned at the outer side of the transmission side plate 202, two sides of the bottom of the inner cavity of the middle shell 101 are provided with a baffle plate 6, the bottom of the outer wall of the middle shell 101 is provided with an oil return mechanism 5, and the top of the outer wall of the middle shell 101 is provided with a high-temperature oil tank 4;
the humidity monitoring module 7, the temperature monitoring module 8 and the control module 10 are also arranged in the cavity enclosed by the middle shell 101, the side shell 102 and the dismounting head 103;
the humidity monitoring module 7 comprises a humidity detecting unit 701 and a humidity comparing unit 702, wherein the humidity detecting unit 701 detects the humidity during transmission among the planetary transmission gear sets 2 and forms humidity information, the humidity comparing unit 702 receives the humidity information and compares the humidity information with a preset minimum humidity threshold, and if the humidity information is lower than the minimum humidity threshold, first judgment information is output;
receiving first judgment information through the control module 10 to form control of an oil injection assembly, controlling to open a first electromagnetic valve 304 and a first oil pump 305 in the oil injection assembly, further conveying lubricating oil stored in an oil collecting tank 3011 into an annular inner groove of an inner cavity of a ring gear 2011 through a liquid discharge pipe 302, and gradually adhering the lubricating oil to a sun gear 2012, which is in mesh transmission with the planetary gear 2013, of the annular inner groove of the inner cavity of the ring gear 2011 in the process that the planetary gear 2013 revolves around an axis along the inner side of the ring gear 2011 with a sun gear 2012 as an axis;
the temperature monitoring module 8 comprises a temperature detecting unit 801 and a temperature comparing unit 802, wherein the temperature detecting unit 801 detects the temperature during transmission among the planetary transmission gear sets 2 and forms temperature information, the temperature comparing unit 802 receives the temperature information and compares the temperature information with a preset maximum temperature threshold, and if the temperature information is higher than the maximum temperature threshold, second judging information is output;
the control module 10 receives the second judging information to control the refrigerating assembly and the oil injection assembly, controls the starting of a refrigerator 3013 in the refrigerating assembly, and refrigerates the surface of the oil collecting tank 3011 through a refrigerating pipe 3012 connected with the refrigerator 3012 in a telecommunication way so as to reduce the temperature of lubricating oil stored in the inner cavity of the oil collecting tank 3011 and form cold lubricating oil with lower temperature;
the first electromagnetic valve 304 and the first oil pump 305 in the oil injection assembly are further controlled to be opened, cold lubricating oil stored in the oil collecting tank 3011 is conveyed into the annular inner groove of the inner cavity of the ring gear 2011 through the liquid discharge pipe 302, and in the transmission process of the planetary gear 2013 and the sun gear 2012 in the planetary transmission gear set 2, the cold lubricating oil in the annular inner groove of the inner cavity of the ring gear 2011 permeates between contact surfaces of the planetary gear 2013 and the sun gear 2012 through the through holes formed in the inner side of the ring gear 2011, so that the temperature is reduced, and meanwhile, the contact surfaces of the gears are lubricated.
In this embodiment, it is specifically described that the refrigerating pipe 3012 and the refrigerator 3013 form a refrigerating assembly, the first solenoid valve 304 and the first oil pump 305 form an injection assembly, and the second oil pump 306 and the second solenoid valve 307 form a feeding assembly.
Referring to fig. 4 to 6, an annular inner groove is provided in the ring gear 2011, and a through hole communicating with the annular inner groove is provided in an inner side wall of the ring gear 2011;
the liquid flow regulating mechanism 3 comprises a liquid flow transition assembly 301, a liquid discharge pipe 302, a liquid inlet pipe 303, a first electromagnetic valve 304, a first oil pump 305, a second oil pump 306 and a second electromagnetic valve 307, wherein the liquid flow transition assembly 301 is arranged at the bottom of an outer ring layer of the bearing 205, the bottom end of the liquid flow transition assembly 301 is connected with an annular inner groove in the annular tooth 2011 through the liquid discharge pipe 302, and a first electromagnetic valve 304 and the first oil pump 305 are sequentially arranged on the surface of the liquid discharge pipe 302 from top to bottom;
the top end of the liquid flow transition assembly 301 is connected with the bottom of the inner cavity of the high-temperature oil tank 4 through a liquid inlet pipe 303, and a second oil pump 306 and a second electromagnetic valve 307 are sequentially arranged on the surface body of the liquid inlet pipe 303 from bottom to top;
the liquid flow transition assembly 301 comprises an oil collecting tank 3011, a refrigerating pipe 3012, a refrigerator 3013 and a fixing plate 3014, wherein the top of the oil collecting tank 3011 is fixedly connected with the bottom of an outer ring layer of the bearing 205 through the fixing plate 3014, the refrigerating pipe 3012 is installed in the side wall body of the oil collecting tank 3011, the refrigerator 3013 is arranged at the bottom of the oil collecting tank 3011, and the output end of the refrigerator 3013 is in telecommunication connection with the input end of the refrigerating pipe 3012.
In this embodiment, it is to be specifically described that a gravity monitoring module 9 is further disposed in the oil collecting tank 3011, where the gravity monitoring module 9 includes a gravity detecting unit 901 and a gravity comparing unit 902, the gravity detecting unit 901 detects the weight of the lubricating oil filled in the inner cavity of the oil collecting tank 3011, if the weight reaches a set lowest gravity threshold, third judgment information is output, and if the weight reaches a set highest gravity threshold, fourth judgment information is output;
receiving the third judging information through the control module 10 to control the feeding assembly, and controlling the second electromagnetic valve 307 and the second oil pump 306 in the feeding assembly to be opened so as to convey the lubricating oil stored in the high-temperature oil tank 4 into the oil collecting tank 3011 for standby;
the fourth determination information is received by the control module 10, so that control over the feeding assembly is formed again, the second electromagnetic valve 307 and the second oil pump 306 in the feeding assembly are controlled to be closed, at the moment, the lubricating oil stored in the oil collecting tank 3011 is full, and feeding is stopped.
Referring to fig. 7, the oil return mechanism 5 includes an oil return tank 501, an oil return pipe 502, a liquid supply pipe 503 and a third oil pump 504, the oil return tank 501 is installed at the bottom of the outer wall of the middle casing 101, the top end of the oil return tank 501 is fixedly sleeved with the oil return pipe 502 penetrating through the bottom wall of the middle casing 101, the side wall of the oil return tank 501 is installed with the third oil pump 504, an output shaft of the third oil pump 504 is connected with one end of the liquid supply pipe 503, and the other end of the liquid supply pipe 503 is connected with the top of the inner cavity of the high-temperature oil tank 4.
In this embodiment, the lubricating oil after running-in of the planetary gear set 2 is returned to the oil return tank 501 for sedimentation, and the supernatant liquid is returned to the high-temperature oil tank 4 through the third oil pump 504 and the liquid supply pipe 503 for secondary use.
The temperature and humidity monitoring and oil injection controlling cooling and lubricating method comprises the following steps:
humidity monitoring and regulating process: the humidity detection unit 701 is used for detecting the humidity during transmission among the planetary transmission gear sets 2 and forming humidity information, the humidity comparison unit 702 is used for receiving the humidity information and comparing the humidity information with a preset minimum humidity threshold value, and if the humidity information is lower than the minimum humidity threshold value, first judgment information is output;
receiving first judgment information through the control module 10 to form control of an oil injection assembly, controlling to open a first electromagnetic valve 304 and a first oil pump 305 in the oil injection assembly, further conveying lubricating oil stored in an oil collecting tank 3011 into an annular inner groove of an inner cavity of a ring gear 2011 through a liquid discharge pipe 302, and gradually adhering the lubricating oil to a sun gear 2012, which is in mesh transmission with the planetary gear 2013, of the annular inner groove of the inner cavity of the ring gear 2011 in the process that the planetary gear 2013 revolves around an axis along the inner side of the ring gear 2011 with a sun gear 2012 as an axis;
temperature monitoring and regulating process: the temperature detection unit 801 detects the temperature during transmission among the planetary transmission gear sets 2 and forms temperature information, the temperature comparison unit 802 receives the temperature information and compares the temperature information with a preset maximum temperature threshold, and if the temperature information is higher than the maximum temperature threshold, second judgment information is output;
the control module 10 receives the second judging information to control the refrigerating assembly and the oil injection assembly, controls the starting of a refrigerator 3013 in the refrigerating assembly, and refrigerates the surface of the oil collecting tank 3011 through a refrigerating pipe 3012 connected with the refrigerator 3012 in a telecommunication way so as to reduce the temperature of lubricating oil stored in the inner cavity of the oil collecting tank 3011 and form cold lubricating oil with lower temperature;
the first electromagnetic valve 304 and the first oil pump 305 in the oil injection assembly are further controlled to be opened, cold lubricating oil stored in the oil collection tank 3011 is conveyed into an annular inner groove of an inner cavity of the ring gear 2011 through the liquid discharge pipe 302, and in the transmission process of the planetary gear 2013 and the sun gear 2012 in the planetary transmission gear set 2, the cold lubricating oil in the annular inner groove of the inner cavity of the ring gear 2011 permeates between contact surfaces of the planetary gear 2013 and the sun gear 2012 through a through hole formed in the inner side of the ring gear 2011, so that the temperature is reduced, and meanwhile, the lubricity is improved;
and (3) an automatic material supplementing process: the weight of the lubricating oil filled in the inner cavity of the oil collecting tank 3011 is detected by the gravity detection unit 901, if the set lowest gravity threshold is reached, third judgment information is output, and if the set highest gravity threshold is reached, fourth judgment information is output;
receiving the third judging information through the control module 10 to control the feeding assembly, and controlling the second electromagnetic valve 307 and the second oil pump 306 in the feeding assembly to be opened so as to convey the lubricating oil stored in the high-temperature oil tank 4 into the oil collecting tank 3011 for standby;
the fourth determination information is received by the control module 10, so that control over the feeding assembly is formed again, the second electromagnetic valve 307 and the second oil pump 306 in the feeding assembly are controlled to be closed, at the moment, the lubricating oil stored in the oil collecting tank 3011 is full, and feeding is stopped.
While the invention has been described with respect to one preferred embodiment, the scope of the invention is not limited thereto, and any person skilled in the art will be able to practice the invention; equivalent substitutions or modifications are made according to the technical plan of the present invention and its modified idea, which should be included under the protection of the present invention.
Claims (9)
1. The utility model provides a planetary reducer for multi-drive gearbox, includes gearbox casing (1), gearbox casing (1) is including well casing (101), the both sides wall of well casing (101) all is through bolt demountable installation side casing (102), the outside wall of side casing (102) is also through bolt demountable installation dismouting head (103), install planetary gear set (2) in the cavity that well casing (101), side casing (102) and dismouting head (103) enclose, its characterized in that:
the planetary transmission gear set (2) comprises a gear transmission part (201), a transmission side plate (202), an input roll shaft (203), an output roll shaft (204) and a bearing (205), wherein the gear transmission part (201) comprises ring teeth (2011), a sun gear (2012), a planetary gear (2013) and a plug-in shaft (2014);
the outer wall of the ring gear (2011) is fixedly connected with the inner wall of the middle shell (101), a sun gear (2012) is arranged at the center of the ring gear (2011), a planetary gear (2013) which is circumferentially arranged is arranged between the inner side wall of the ring gear (2011) and the outer side wall of the sun gear (2012), and the edges of the planetary gear (2013) are meshed with the contact surfaces of the ring gear (2011) and the planetary gear (2013);
an annular inner groove is formed in the annular tooth (2011), and a through hole communicated with the annular inner groove is formed in the inner side wall of the annular tooth (2011);
the inner cavity of the side shell (102) is also provided with a liquid flow regulating mechanism (3) positioned at the outer side of the transmission side plate (202), two sides of the bottom of the inner cavity of the middle shell (101) are provided with a baffle plate (6), the bottom of the outer wall of the middle shell (101) is provided with an oil return mechanism (5), and the top of the outer wall of the middle shell (101) is provided with a high-temperature oil tank (4);
the liquid flow regulating mechanism (3) comprises a liquid flow transition assembly (301), a liquid discharge pipe (302), a liquid inlet pipe (303), a first electromagnetic valve (304), a first oil pump (305), a second oil pump (306) and a second electromagnetic valve (307), wherein the liquid flow transition assembly (301) comprises an oil collecting tank (3011), a refrigerating pipe (3012), a refrigerator (3013) and a fixing plate (3014);
the refrigerating pipe (3012) and the refrigerator (3013) form a refrigerating assembly, the first electromagnetic valve (304) and the first oil pump (305) form an injection assembly, and the second oil pump (306) and the second electromagnetic valve (307) form a feeding assembly;
a humidity monitoring module (7), a temperature monitoring module (8) and a control module (10) are further arranged in a cavity enclosed by the middle shell (101), the side shell (102) and the dismounting head (103);
the humidity monitoring module (7) comprises a humidity detection unit (701) and a humidity comparison unit (702), wherein the humidity detection unit (701) detects the humidity during transmission among the planetary transmission gear sets (2) and forms humidity information, the humidity comparison unit (702) receives the humidity information and compares the humidity information with a preset minimum humidity threshold value, and if the humidity information is lower than the minimum humidity threshold value, first judgment information is output;
the method comprises the steps that first judgment information is received through a control module (10), control of an oil injection assembly is formed, a first electromagnetic valve (304) and a first oil pump (305) in the oil injection assembly are controlled to be opened, lubricating oil stored in an oil collecting tank (3011) is further conveyed into an annular inner groove of an inner cavity of a ring gear (2011) through a liquid discharge pipe (302), in addition, a sun gear (2012) is taken as an axle center along the inner side of the ring gear (2011) of a planet gear (2013), in the revolution process around the axle center, the lubricating oil in the annular inner groove of the inner cavity of the ring gear (2011) permeates the surface of the planet gear (2013) through a through hole formed in the inner side of the ring gear (2011), and the sun gear (2012) meshed with the planet gear (2013) is gradually adhered with the lubricating oil;
the temperature monitoring module (8) comprises a temperature detection unit (801) and a temperature comparison unit (802), wherein the temperature detection unit (801) detects the temperature during transmission among the planetary transmission gear sets (2) and forms temperature information, the temperature comparison unit (802) receives the temperature information and compares the temperature information with a preset maximum temperature threshold, and if the temperature information is higher than the maximum temperature threshold, second judgment information is output;
the control module (10) receives the second judging information to control the refrigerating assembly and the oil injection assembly, controls the starting of a refrigerator (3013) in the refrigerating assembly, and refrigerates the surface body of the oil collecting tank (3011) through a refrigerating pipe (3012) connected with the refrigerator to reduce the temperature of lubricating oil stored in the inner cavity of the oil collecting tank (3011) and form cold lubricating oil with lower temperature;
the method comprises the steps of further controlling to open a first electromagnetic valve (304) and a first oil pump (305) in an oil injection assembly, conveying cold lubricating oil stored in an oil collecting tank (3011) into an annular inner groove of an inner cavity of a ring gear (2011) through a liquid discharge pipe (302), and lubricating a gear contact surface while reducing temperature in the transmission process of a planetary gear (2013) and a sun gear (2012) in a planetary transmission gear set (2), wherein the cold lubricating oil in the annular inner groove of the inner cavity of the ring gear (2011) permeates between contact surfaces of the planetary gear (2013) and the sun gear (2012) through a through hole formed in the inner side of the ring gear (2011).
2. A planetary reducer for a multi-drive gearbox as claimed in claim 1, wherein: the axle center of the sun gear (2012) is fixedly sleeved with the axle center of one transmission side plate (202) through a plug-in shaft (2014), and one side wall, far away from the sun gear (2012), of the transmission side plate (202) is fixedly sleeved with the inner end of the input roller shaft (203).
3. A planetary reducer for a multi-drive gearbox as claimed in claim 1, wherein: the axle center of the planetary gear (2013) is fixedly sleeved with the corner of the other transmission side plate (202) through a plug-in shaft (2014), and the axle center of the transmission side plate (202) is fixedly sleeved with the inner end of the output roll shaft (204).
4. A planetary reducer for a multi-drive gearbox as claimed in claim 1, wherein: the surface of input roller (203) and output roller (204) all is provided with bearing (205), the inner race layer of bearing (205) is fixed cup joint on the surface of input roller (203) or output roller (204), and the outer lane layer of bearing (205) carries out fixed connection with the inner wall of side casing (102).
5. A planetary reducer for a multi-drive gearbox as claimed in claim 1, wherein: the liquid flow transition assembly (301) is arranged at the bottom of an outer ring layer of the bearing (205), the bottom end of the liquid flow transition assembly (301) is connected with an annular inner groove in the annular tooth (2011) through a liquid discharge pipe (302), and a first electromagnetic valve (304) and a first oil pump (305) are sequentially arranged on the surface of the liquid discharge pipe (302) from top to bottom.
6. A planetary reducer for a multi-drive gearbox as claimed in claim 1, wherein: the top of the liquid flow transition assembly (301) is connected with the bottom of the inner cavity of the high-temperature oil tank (4) through a liquid inlet pipe (303), and a second oil pump (306) and a second electromagnetic valve (307) are sequentially arranged on the surface of the liquid inlet pipe (303) from bottom to top.
7. A planetary reducer for a multi-drive gearbox as claimed in claim 1, wherein: the top of oil collecting tank (3011) carries out fixed connection through fixed plate (3014) and the bottom of bearing (205) outer lane layer, refrigeration pipe (3012) are installed in the lateral wall of oil collecting tank (3011), the setting of refrigerator (3013) is in the bottom of oil collecting tank (3011), just the output of refrigerator (3013) carries out telecommunication connection with the input of refrigeration pipe (3012).
8. A planetary reducer for a multi-drive gearbox as claimed in claim 1, wherein: the gravity monitoring module (9) is further arranged in the oil collecting tank (3011), the gravity monitoring module (9) comprises a gravity detecting unit (901) and a gravity comparing unit (902), the gravity detecting unit (901) detects the weight of lubricating oil filled in the inner cavity of the oil collecting tank (3011), if the weight reaches a set lowest gravity threshold, third judgment information is output, and if the weight reaches a set highest gravity threshold, fourth judgment information is output;
receiving third judgment information through a control module (10), forming control on the feeding assembly, and controlling a second electromagnetic valve (307) and a second oil pump (306) in the feeding assembly to be opened so as to convey lubricating oil stored in a high-temperature oil tank (4) into an oil collecting tank (3011) to be reserved;
and receiving fourth judgment information through the control module (10), controlling the feeding assembly again, controlling the second electromagnetic valve (307) and the second oil pump (306) in the feeding assembly to be closed, and stopping feeding when the lubricating oil stored in the oil collecting tank (3011) is full.
9. A planetary reducer for a multi-drive gearbox as claimed in claim 1, wherein: the oil return mechanism (5) comprises an oil return tank (501), an oil return pipe (502), a liquid supply pipe (503) and a third oil pump (504), wherein the oil return tank (501) is arranged at the bottom of the outer wall of the middle shell (101), the top end of the oil return tank (501) is fixedly sleeved with the oil return pipe (502) penetrating through the wall body at the bottom of the middle shell (101), the side wall of the oil return tank (501) is provided with the third oil pump (504), an output shaft of the third oil pump (504) is connected with one end of the liquid supply pipe (503), and the other end of the liquid supply pipe (503) is connected with the top of the inner cavity of the high-temperature oil tank (4).
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| CN110017367A (en) * | 2019-04-17 | 2019-07-16 | 重庆长安汽车股份有限公司 | The intelligent monitor system of automobile transmission lubrication oil |
| CN212564337U (en) * | 2020-06-15 | 2021-02-19 | 苏州巨威自动化控制设备有限公司 | Planetary reducer with protection device |
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| EP2213497A1 (en) * | 2009-01-28 | 2010-08-04 | Hitachi Construction Machinery Co., Ltd. | Travel drive apparatus for a working vehicle |
| JP2011241874A (en) * | 2010-05-17 | 2011-12-01 | Ntn Corp | Planetary gear lubrication device |
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| CN116733953A (en) | 2023-09-12 |
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Denomination of invention: A planetary reducer for multi drive vehicle transmissions Granted publication date: 20231010 Pledgee: Bank of Nanjing Co.,Ltd. Taizhou Branch Pledgor: Taixing Kangsen Aite transmission equipment Technology Co.,Ltd. Registration number: Y2024320000069 |