CN111668995A - Liquid cooling electric drive assembly - Google Patents
Liquid cooling electric drive assembly Download PDFInfo
- Publication number
- CN111668995A CN111668995A CN202010587748.1A CN202010587748A CN111668995A CN 111668995 A CN111668995 A CN 111668995A CN 202010587748 A CN202010587748 A CN 202010587748A CN 111668995 A CN111668995 A CN 111668995A
- Authority
- CN
- China
- Prior art keywords
- liquid
- cooling
- transmission
- motor
- clutch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
- H02K9/193—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil with provision for replenishing the cooling medium; with means for preventing leakage of the cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/108—Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction clutches
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention provides a liquid cooling electric drive assembly, and belongs to the technical field of power systems. The motor solves the problems that the cooling effect of the existing motor during heat dissipation is poor, and the motor causes the driver to feel jerky instantly when the motor is accelerated or decelerated during transmission engagement. This liquid cooling electric drive assembly, including the motor, vertically wear to be equipped with the transmission shaft on the motor, the main shaft separation and reunion transmission of transmission shaft and motor is connected, and the other end of transmission shaft is equipped with the sprocket, vertically is provided with the baffle of separating into cooling chamber, water storage chamber with the casing of motor in the casing of motor, and the cooling intracavity vertically is provided with the power cavity, and the water storage intracavity vertically is provided with the transmission cover, is provided with liquid cooling circulating device on the casing of the motor between cooling chamber and the water storage chamber. The invention has small volume and low manufacturing cost, the cooling liquid enters the liquid cooling circulation after being fully cooled, the cooling effect is good, the motor can effectively avoid the pause and the frustration generated by a driver at the moment of engaging the clutch when accelerating or decelerating, and the performance of the motor is fully exerted.
Description
Technical Field
The invention belongs to the technical field of power systems, and relates to a liquid cooling electric drive assembly.
Background
The motor is one of power systems, and modern motors usually use higher electromagnetic load to improve the utilization rate of materials, so the motor must be cooled to improve the heat dissipation capability.
At present, the heat dissipation mode of the driving motor used on the existing electric vehicle is not limited to natural cooling, forced air cooling or circulating water cooling, and for a high-power driving motor, circulating water cooling is generally adopted.
For example, Chinese patent numbers are: "201620368324.5" the electric vehicle water cooling device, its concrete structure includes:
the water-cooled motor comprises a motor body and a water-cooled tank arranged at the bottom of the motor body, wherein an impeller arranged on a motor shaft of the motor body is arranged in the water-cooled tank; the water cooling tank is also provided with a water inlet and a water outlet;
the radiator is arranged at the upper part of the water-cooled motor through an outer frame and comprises a radiating fan and a radiating water tank adjacent to the radiating fan, and the radiating water tank is provided with a water inlet end and a water outlet end; the side wall of one end of the radiating water tank is also provided with a water storage port for adding water into the radiating water tank, and the water storage port is provided with a switch cover for storing water; the water outlet is communicated with the water inlet end, and the water outlet end is communicated with the water inlet.
In the above structure, the heat dissipation water tank is not provided with a water retaining structure which can slow down the flow velocity of the cooling liquid in the heat dissipation water tank so that the cooling fan can fully dissipate the heat of the cooling liquid; when the heat dissipation water tank is used, cooling liquid in the heat dissipation water tank flows out of the water outlet end quickly through the water inlet end to be cooled and circulated in the water cooling motor, the cooling liquid is not fully cooled in the heat dissipation water tank when flowing, and then enters the water cooling motor to be cooled, so that the water cooling effect is poor, and the heat conduction is slow; the radiating effect is relatively poor, and the motor is at the in-process of long-time operation like this, and stator and rotor generate heat and heat inside air, lead to whole motor one kind to be in high temperature state, and the motor bearing is long-time high temperature operation also, and this just leads to the motor to respond the high temperature easily and produce the damage, has seriously reduced the work efficiency of motor. Particularly, when the electric vehicle works under the condition of high external temperature, the temperature work of the motor directly influences the safe running of the motor vehicle; in addition, since the clutch device is not provided in the above-described structure, a driver may feel jerky when the motor is accelerated or decelerated, linear acceleration is not provided, and the performance of the center motor may not be sufficiently exhibited when the center motor is operated, which may seriously reduce the operating efficiency of the motor.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a liquid-cooled electric drive assembly which has a simple structure, can slow down the flow velocity of cooling liquid to enable the cooling liquid to be fully cooled and then enter liquid-cooled circulation, has a good cooling effect, can effectively avoid the pause and the frustration generated at the moment of transmission engagement of a driver when a motor is accelerated or decelerated, and fully exerts the performance of the motor.
The purpose of the invention can be realized by the following technical scheme: the utility model provides a liquid cold electric drive assembly, includes the motor, the motor on vertically wear to be equipped with the transmission shaft with the parallel interval distribution of main shaft of motor, the one end of transmission shaft and the one end separation and reunion transmission of the main shaft of motor connect and form one-level reduction gear, the other end of transmission shaft be equipped with and be used for the transmission to connect the sprocket that forms second grade reduction gear, a serial communication port, the casing of motor in vertically be provided with the casing with the motor and separate into the baffle in cooling chamber, water storage chamber, the cooling intracavity vertically be provided with the power cavity who is used for installing the main shaft of motor, the power cavity be in the cooling intracavity and cool off through the heat transfer mode comprehensively, the water storage intracavity vertically be provided with the driving sleeve that is used for installing the transmission shaft, the driving sleeve be in the water storage intracavity and cool off through the heat transfer mode comprehensively, cooling chamber and water storage chamber between, The water storage cavity forms a liquid cooling circulating device for cooling circulation.
The liquid cooling electric drive assembly is provided with the cooling cavity, the power cavity is fully immersed in the cooling cavity, the power cavity is provided with a stator, a rotor and a main shaft of the motor and is a heating source of the motor, and the power cavity is cooled by the cooling liquid in the cooling cavity, so that the cooling effect is good; by arranging the water storage cavity and the liquid cooling circulating device which enables the cooling cavity and the water storage cavity to form cooling circulation, the cooling liquid is cooled by the cooling liquid during liquid cooling circulation, the cooling effect of the cooling liquid on the motor is good, and the working efficiency of the motor can be improved; one end of the transmission shaft is in clutch transmission connection with one end of the main shaft of the motor to form primary speed reduction transmission, and when the transmission shaft is in transmission connection with the main shaft of the motor, the transmission shaft has the characteristic of linear acceleration, so that the pause and the contusion generated at the moment of clutch transmission connection of a driver are effectively avoided; when the transmission shaft is separated from the main shaft of the motor, the transmission shaft rotates automatically, and the friction resistance is small; the performance of the motor is fully exerted, and the working efficiency of the motor can be effectively improved.
In a foretell liquid cold electric drive assembly, liquid cooling circulating device include the cooling channel that sets up on the casing of motor, the one end of cooling channel and the lower extreme intercommunication in water storage chamber, the other end of cooling channel and the upper end intercommunication in cooling chamber, the upper end of baffle between cooling chamber and the water storage chamber be provided with the intercommunication breach, this cooling chamber forms cooling cycle through intercommunication breach and water storage chamber intercommunication, the cooling channel on be provided with the circulation power device that can send the coolant liquid of water storage intracavity into the cooling intracavity, the water storage intracavity be provided with the time delay cooling device that slows down liquid cooling cycle. The flow velocity of the cooling liquid can be slowed down by arranging the time delay cooling device, the cooling liquid can be fully cooled during cooling circulation, and the cooling effect of the motor is better when the cooling liquid is fully cooled and then liquid cooling circulation is carried out; the cooling liquid in the cooling cavity and the water storage cavity can flow circularly by arranging the circulating power device, and the cooling effect is good.
In a foretell liquid cold electric drive assembly, time delay cooling device including be vertical the fender liquid board one, keep off liquid board two and keep off liquid board three that sets up, the upper end of the casing of motor be provided with the water storage chamber intercommunication the water inlet tap, the lower extreme in water storage chamber be provided with the liquid outlet of the one end intercommunication of cooling channel, fender liquid board one, keep off liquid board two and keep off three even interval distribution of liquid board between water inlet tap, liquid outlet, fender liquid board one, keep off liquid board two and keep off liquid board three on equally divide cloth have the circulation mouth of the liquid flow velocity of flow that slows down the liquid cooling circulation, this fender liquid board one, keep off liquid board two and keep off liquid board three make the coolant liquid fully cool off in the water storage intracavity through the circulation mouth that corresponds slows down the liquid flow velocity of flow that the liquid cooling circulates. The first liquid baffle, the second liquid baffle and the third liquid baffle are used for blocking the circulation of cooling liquid, and the circulation ports on the first liquid baffle, the second liquid baffle and the third liquid baffle can slow down the flow rate of the cooling liquid, so that the cooling liquid can be fully cooled on the first liquid baffle, the second liquid baffle and the third liquid baffle and then enter liquid cooling circulation, and the cooling effect of the motor is good; the specific assembly structure of the first liquid baffle, the second liquid baffle and the third liquid baffle and the shell of the motor is as follows: the baffle is arc-shaped, the radian of the arc-shaped baffle is matched with that of the power cavity, the baffle is coated on the outer side of the power cavity in half, longitudinally arranged first clamping positions, second clamping positions and third clamping positions are distributed at intervals along the circumferential direction of the baffle on the arc-shaped back of the baffle, longitudinally arranged fourth clamping positions, fifth clamping positions and sixth clamping positions are distributed at intervals along the length direction of the opposite inner wall of the water storage cavity of the shell of the motor, two ends of the first liquid baffle are detachably clamped in the corresponding first clamping positions and fourth clamping positions respectively, two ends of the second liquid baffle are detachably clamped in the corresponding second clamping positions and fifth clamping positions respectively, and two ends of the third liquid baffle are detachably clamped in the corresponding third clamping positions and sixth clamping positions respectively; the purpose of the arrangement is to facilitate the assembly and connection of the first liquid baffle, the second liquid baffle and the third liquid baffle in the water storage cavity of the motor shell, and the disassembly, the replacement and the maintenance are convenient; the upper inner wall of the water storage cavity of the shell of the motor is also provided with a longitudinally arranged ventilation groove which longitudinally penetrates through the shell of the motor to be communicated with the outside for ventilation; when the cooling liquid enters the water storage cavity for circulating cooling, the cooling liquid is contained in the water storage cavity, and the cooling liquid flows to the outside through the air exchange groove, so that the structure is stable, and the cooling effect is good.
In the above liquid-cooled electric drive assembly, the circulating power device includes a pressure impeller disposed in the cooling channel, a first transmission helical gear is disposed at the other end of the main shaft of the motor, a third transmission helical gear is disposed on the pressure impeller in the same axial direction, a second transmission helical gear is disposed between the first transmission helical gear and the third transmission helical gear, and the pressure impeller is rotationally pressurized in the cooling channel through the transmission engagement of the third transmission helical gear and the second transmission helical gear, and the transmission engagement of the second transmission helical gear and the first transmission helical gear. The other end of the main shaft of the motor penetrates through a shell of the motor to be axially fixedly connected with the transmission helical gear, the transmission helical gear I and the transmission helical gear II are in opposite meshing transmission to form primary speed reduction transmission, and the transmission helical gear II and the transmission helical gear three are in opposite meshing transmission to form secondary speed reduction transmission.
In foretell liquid cold electric drive assembly, an end face of casing of motor on be provided with pressure boost transmission oil pocket and with the oil pocket lid of pressure boost transmission oil pocket size, shape adaptation, oil pocket lid and pressure boost transmission oil pocket can dismantle sealed linking firmly, this transmission helical gear one, transmission helical gear two and transmission helical gear three all set up in pressure boost transmission oil pocket, the cooling channel be the L type and set up on the end face of oil pocket lid, the end face of oil pocket lid on can dismantle sealed linking firmly the cooling end cover with the comprehensive closing cap of cooling channel, pressure boost impeller set up in the intersection of the L type of the cooling channel of oil pocket lid, this transmission helical gear three-way passes oil pocket lid and pressure boost impeller and links firmly with the axial. The lower end of the cooling channel longitudinally penetrates through the oil cavity cover to form a water inlet end communicated with the liquid outlet of the water storage cavity, the upper end of the cooling channel longitudinally penetrates through the oil cavity cover to form a water outlet end communicated with the upper end of the cooling cavity, the upper end of the cooling cavity of the motor shell is provided with a water inlet part which is arranged into a water inlet barrel, the barrel wall of the water inlet barrel is provided with two symmetrically distributed liquid separating ports, the cooling cavity is communicated with the two liquid separating ports respectively, the cooling cavity radially discharges liquid in opposite directions through the two liquid separating ports, and the water outlet end of the cooling channel is communicated with the water inlet barrel; the purpose that sets up like this is that the cooling chamber that makes the casing of motor carries out the feed liquor of superposition, enables the abundant even coolant liquid that gets into in cooling chamber, ensures the full area cooling effect of the coolant liquid in cooling chamber.
In the above liquid-cooled electric drive assembly, a clutch transmission oil chamber and an oil seal cover matched with the clutch transmission oil chamber in size and shape are arranged on the other end surface of the casing of the motor, a first chain gear and a second chain gear are arranged in the clutch transmission oil chamber, a transmission chain is arranged between the first chain gear and the second chain gear, the first chain gear and the second chain gear form primary speed reduction transmission through transmission chain transmission, the first chain gear and the second chain gear are coaxially and fixedly arranged at one end of a main shaft of the motor, the second chain gear is coaxially and movably sleeved at one end of a transmission shaft, a clutch sleeve is fixedly arranged on the second chain gear in the same axial direction, a clutch flywheel disc is fixedly arranged at one end of the transmission shaft in a limiting manner, the clutch flywheel disc is sleeved outside the clutch sleeve, and a clutch sleeve and a clutch flywheel disc are arranged between the clutch sleeve and the clutch flywheel disc, An automatic clutch device for radially engaging or radially disengaging a clutch flywheel disk. The transmission shaft is connected with or separated from the main shaft of the motor through the automatic clutch device, and when the transmission shaft is connected with the main shaft of the motor, the transmission shaft has the characteristic of linear acceleration, so that the pause and the contusion generated at the moment of connecting the clutch by a driver are effectively avoided; when the transmission shaft is separated from the main shaft of the motor, the transmission shaft rotates automatically, and the friction resistance is small; the performance of the motor is fully exerted, and the working efficiency of the motor can be effectively improved.
In the above-mentioned liquid cold electric drive assembly, automatic clutch include a plurality of arc hoof piece, every arc hoof piece elastic connection forms cyclic annular and sets up between separation and reunion flywheel dish, separation and reunion cover, and the radial elastic condensation of every arc hoof piece is supported and is leaned on the outer wall of separation and reunion cover and the radial separation of separation and reunion flywheel dish, separation and reunion cover and the corresponding arc hoof piece between articulated, when rotatory drive separation and reunion cover rotation of driven wheel produces centrifugal force, when this centrifugal force has overcome the elastic force that every arc hoof piece elastic connection, this arc hoof piece radial displacement supports to lean on the radial joint of friction with the inner wall of separation and reunion flywheel dish. During actual manufacturing, a rocker arm is arranged between the clutch sleeve and the corresponding arc-shaped shoe block, one end of the rocker arm is axially hinged to the edge part of the rotary gear sleeve through a pin shaft, and the other end of the rocker arm is axially hinged to the middle position of the corresponding arc-shaped shoe block through a pin shaft; the middle position of the arc-shaped shoe block is provided with a hinge position, and when the other end of the rocker arm is axially hinged to the middle position of the corresponding arc-shaped shoe block through a pin shaft, the rocker arm is positioned in the hinge position of the arc-shaped shoe block; the two arc-shaped shoe blocks are oppositely distributed, two ends of each arc-shaped shoe block are respectively and oppositely and elastically connected through a spring to form a ring shape, and when the two arc-shaped shoe blocks are arranged between the clutch flywheel disc and the clutch sleeve, the two arc-shaped shoe blocks enable the two arc-shaped shoe blocks to be elastically condensed in the radial direction to abut against the outer wall of the clutch sleeve under the elastic action of the springs at the two ends; the arc-shaped outer walls of the two arc-shaped shoe blocks are respectively and fixedly provided with a friction plate, and when the radial guide displacement of the arc-shaped shoe blocks is abutted and matched with the inner wall of the clutch flywheel disc, the arc-shaped shoe blocks are in frictional abutting and matching with the inner wall of the clutch flywheel disc through the friction plates; in actual manufacturing, columnar bulges are not arranged on the outer wall of the friction plate, so that the friction acting force between the friction plate and the inner wall of the clutch flywheel disc is increased, and the arc-shaped shoe block and the clutch flywheel disc are stably jointed in the radial direction; the friction plate is fixedly connected with the corresponding arc-shaped shoe block through glue, and the arc-shaped outer wall of the arc-shaped shoe block is completely covered by the friction plate.
In the above liquid cooling electric drive assembly, one end of the transmission shaft is provided with a step shaft, the outer wall of the step shaft is provided with a cutting surface for limiting, the clutch flywheel disc is provided with a limiting hole matched with the cutting surface of the step shaft, and the clutch flywheel disc is axially assembled on the cutting surface of the corresponding step shaft through the limiting hole and is fixed by bolts so that the clutch flywheel disc and the transmission shaft are limited and fixed. During actual assembly, an axial leaning step is formed between the cutting surface and the step shaft, when the clutch flywheel disc is axially assembled on the cutting surface of the corresponding step shaft through the limiting hole, the inner wall of the clutch flywheel disc and the axial leaning step lean against and are matched, and the clutch flywheel disc is circumferentially and axially limited and fixed on the step shaft.
In the above liquid-cooling electric drive assembly, the clutch sleeve is axially assembled on the outer end of the second chain gear through a bolt, the second chain gear and the clutch sleeve are both arranged on the step shaft of the transmission shaft, a spacer sleeve is arranged between the step shaft and the second chain gear and between the clutch sleeve and the step shaft of the transmission shaft, and the second chain gear and the clutch sleeve are movably matched with the step shaft of the transmission shaft through the spacer sleeve. During actual manufacturing, an axial bulge is arranged in the middle of the outer end face of the second chain gear, the clutch sleeve is axially assembled on the axial bulge through a bolt, the spacer sleeve mainly comprises a first bushing and a second bushing, the first bushing is positioned between the step shaft and the axial bulge, first lubricating oil holes which are radially arranged in a penetrating manner are circumferentially distributed on the first bushing and the axial bulge at intervals, the second bushing is positioned between the step shaft and the clutch sleeve, and second lubricating oil holes which are radially arranged in a penetrating manner are circumferentially distributed on the second bushing and the clutch sleeve at intervals; the first bushing and the second bushing are both made of copper materials, the first bushing and the second bushing are high in wear resistance, and the first bushing and the second bushing are manufactured in a two-body mode, so that the problem that torsional stress is concentrated on the step shaft by the axial protrusion and the clutch sleeve of the second chain gear is solved, and the two-body manufacturing method is used for the purpose that the torsional stress is dispersed on the step shaft by the axial protrusion and the clutch sleeve of the second chain gear.
In foretell liquid cold electric drive assembly, the casing of motor include casing one, casing two, this casing one and casing two are horizontal half section independent forming respectively by the casing of motor, this casing one and casing two vertically relatively to closing and linking firmly, when the casing of motor is horizontal half section independent forming respectively, this baffle, power cavity, driving sleeve, fender liquid board one, fender liquid board two and fender liquid board three all horizontal half section independent forming respectively, when casing one and casing two vertically relatively to closing and linking firmly, this baffle, power cavity, driving sleeve, fender liquid board one, fender liquid board two and fender liquid board three all vertically relatively to closing and to leaning on. The purpose of setting up like this is convenient casing one, the shaping manufacturing of casing two, makes things convenient for the manufacturing of the assembly spare part in casing one, the casing two, and the baffle, the power cavity that the shaping is on casing one, casing two, all set up sealed cotton pad on the fitting surface that the transmission cover is vertically to closing, ensure the sealed validity of vertically to closing.
Compared with the prior art, this liquid cooling electric drive assembly's advantage does: the cooling device has the advantages of small volume, low manufacturing cost, simple and compact structural design, reasonable structural space collocation, capability of slowing down the flow velocity of cooling liquid during liquid cooling circulation, self-delayed cooling, good cooling effect and higher working efficiency of the motor, and the cooling liquid enters the liquid cooling circulation after being fully cooled; the motor can effectively avoid the pause and the frustration of a driver at the moment of engaging the clutch when accelerating or decelerating, has the characteristic of linear acceleration, and fully exerts the performance of the motor; the invention is not created and conceived in the aspect of the prior gasoline engine or electric power driven power or single power heat dissipation, and the innovative application of the technology provides a developed technical sample and thought for the rationality, the manufacturing structure, the manufacturing cost and the heat dissipation of the power in the future.
Drawings
Fig. 1 is a schematic perspective view of the present liquid cooling electric drive assembly.
Fig. 2 is a schematic perspective view of the liquid cooling electric drive assembly in exploded view.
Fig. 3 is a schematic perspective view of the liquid cooling electric drive assembly in exploded view.
Fig. 4 is a schematic perspective view of the liquid cooling electric drive assembly in exploded view.
Fig. 5 is a schematic perspective view of the liquid cooling electric drive assembly in exploded view.
In the figure, 1, a motor; 2. a main shaft; 3. a drive shaft; 4. a sprocket; 5. a cooling chamber; 6. a water storage cavity; 7. a partition plate; 8. a power chamber; 9. a transmission sleeve; 10. a cooling channel; 11. a communication gap; 12. a first liquid baffle plate; 13. a second liquid baffle plate; 14. a liquid baffle III; 15. a water inlet nozzle; 16. a liquid outlet; 17. a flow port; 18. a booster impeller; 19. a first transmission bevel gear; 20. a third transmission bevel gear; 21. a second transmission bevel gear; 22. a pressurized transmission oil cavity; 23. an oil chamber cover; 24. cooling the end cap; 25. a clutch transmission oil cavity; 26. sealing the oil cover; 27. a chain gear I; 28. a chain gear II; 29. a drive chain; 30. a clutch sleeve; 31. a clutch flywheel disc; 32. an arc-shaped shoe block; 33. a step shaft; 34. cutting the surface; 35. a limiting hole; 36. a spacer sleeve; 37. a first shell; 38. and a second shell.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the liquid-cooled electric drive assembly mainly comprises a motor 1, a transmission shaft 3 longitudinally penetrates through the motor 1 and is distributed in parallel with a main shaft 2 of the motor 1 at intervals, one end of the transmission shaft 3 is in clutch transmission connection with one end of the main shaft 2 of the motor 1 to form primary speed reduction transmission, the other end of the transmission shaft 3 is provided with a chain wheel 4 for transmission connection to form secondary speed reduction transmission, a partition plate 7 for longitudinally dividing a machine shell of the motor 1 into a cooling cavity 5 and a water storage cavity 6 is arranged in the machine shell of the motor 1, a power cavity 8 for installing the main shaft 2 of the motor 1 is longitudinally arranged in the cooling cavity 5, the power cavity 8 is fully cooled in the cooling cavity 5 in a heat transfer mode, a transmission sleeve 9 for installing the transmission shaft 3 is longitudinally arranged in the water storage cavity 6, and the transmission, a liquid cooling circulating device which can enable the cooling cavity 5 and the water storage cavity 6 to form cooling circulation is arranged on the shell of the motor 1 between the cooling cavity 5 and the water storage cavity 6.
In actual manufacturing, the liquid cooling circulation device has the following specific implementation modes: a cooling channel 10 is arranged on a shell of the motor 1, one end of the cooling channel 10 is communicated with the lower end of a water storage cavity 6, the other end of the cooling channel 10 is communicated with the upper end of a cooling cavity 5, a communication notch 11 is arranged at the upper end of a partition plate 7 between the cooling cavity 5 and the water storage cavity 6, the cooling cavity 5 is communicated with the water storage cavity 6 through the communication notch 11 to form cooling circulation, and a time-delay cooling device for slowing down liquid cooling circulation is arranged in the water storage cavity 6; specifically speaking: the specific implementation mode of the delayed cooling device is as follows: the cooling device mainly comprises a first liquid baffle 12, a second liquid baffle 13 and a third liquid baffle 14 which are longitudinally arranged, wherein a water inlet nozzle 15 communicated with a water storage cavity 6 is arranged at the upper end of a shell of the motor 1, a liquid outlet 16 communicated with one end of a cooling channel 10 is arranged at the lower end of the water storage cavity 6, the first liquid baffle 12, the second liquid baffle 13 and the third liquid baffle 14 are evenly distributed between the water inlet nozzle 15 and the liquid outlet 16 at intervals in the horizontal direction, circulation ports 17 for reducing the flow rate of liquid cooling circulation are evenly distributed on the first liquid baffle 12, the second liquid baffle 13 and the third liquid baffle 14, and the first liquid baffle 12, the second liquid baffle 13 and the third liquid baffle 14 reduce the flow rate of liquid cooling circulation through the corresponding circulation ports 17 to enable cooling liquid to be fully cooled in the water storage cavity 6.
A circulating power device which can send the cooling liquid in the water storage cavity 6 into the cooling cavity 5 is arranged in the cooling channel 10, and the specific implementation mode of the circulating power device is as follows: the cooling device mainly comprises a supercharging impeller 18 arranged in a cooling channel 10, a first transmission helical gear 19 is arranged at the other end of a main shaft 2 of a motor 1, a third transmission helical gear 20 is coaxially arranged on the supercharging impeller 18, a second transmission helical gear 21 is arranged between the first transmission helical gear 19 and the third transmission helical gear 20, and the supercharging impeller 18 is in rotating supercharging in the cooling channel 10 through the transmission meshing of the third transmission helical gear 20 and the second transmission helical gear 21 and the transmission meshing of the second transmission helical gear 21 and the first transmission helical gear 19; specifically speaking: a supercharging transmission oil cavity 22 and an oil cavity cover 23 which is matched with the supercharging transmission oil cavity 22 in size and shape are arranged on one end face of a machine shell of the motor 1, the oil cavity cover 23 and the supercharging transmission oil cavity 22 are detachably and hermetically fixedly connected, a first transmission helical gear 19, a second transmission helical gear 21 and a third transmission helical gear 20 are all arranged in the supercharging transmission oil cavity 22, a cooling channel 10 is L-shaped and is arranged on the end face of the oil cavity cover 23, a cooling end cover 24 which is used for hermetically and fixedly connecting the cooling channel 10 in a comprehensive sealing manner is detachably and fixedly connected on the end face of the oil cavity cover 23, a supercharging impeller 18 is arranged at the intersection of the L-shaped cooling channel 10 of the oil cavity cover 23, and the third transmission helical gear 20 penetrates through the oil cavity cover 23 and is coaxially and fixedly connected.
During actual manufacturing, a clutch transmission oil cavity 25 and an oil seal cover 26 which is matched with the clutch transmission oil cavity 25 in size and shape are arranged on the other end face of the shell of the motor 1, a first chain gear 27 and a second chain gear 28 are arranged in the clutch transmission oil cavity 25, a transmission chain 29 is arranged between the first chain gear 27 and the second chain gear 28, the first chain gear 27 and the second chain gear 28 form primary speed reduction transmission through transmission of the transmission chain 29, the first chain gear 27 is coaxially and fixedly arranged at one end of the main shaft 2 of the motor 1, the second chain gear 28 is coaxially and movably sleeved at one end of the transmission shaft 3, a clutch sleeve 30 is coaxially and fixedly arranged on the second chain gear 28, a clutch flywheel disc 31 is fixedly arranged at one end of the transmission shaft 3 in a limiting manner, the clutch flywheel disc 31 is sleeved outside the clutch sleeve 30, and a clutch sleeve 30 is arranged between the clutch sleeve 30 and the clutch flywheel disc 31, An automatic clutch device for radially engaging or radially disengaging the flywheel disc 31; at the time of actual manufacture; the specific implementation mode of the automatic clutch device is as follows: mainly by two arc hoof pieces 32, every arc hoof piece 32 elastic connection forms cyclic annular and sets up in separation and reunion flywheel dish 31, between separation and reunion cover 30, every arc hoof piece 32 radial elastic condensation supports and leans on the outer wall of separation and reunion cover 30 with separation and reunion flywheel dish 31 radial separation, it is articulated between separation and reunion cover 30 and the corresponding arc hoof piece 32, rotatory drive separation and reunion cover 30 rotation when following the driving wheel produces centrifugal force, when this centrifugal force has overcome the elastic force that every arc hoof piece 32 elastic connection, this arc hoof piece 32 radial displacement supports with the inner wall of separation and reunion flywheel dish 31 and leans on friction radial joint.
During actual manufacturing, the specific implementation structure that one end of the transmission shaft 3 and the clutch flywheel disc 31 are axially limited and fixed is as follows: one end of the transmission shaft 3 is provided with a step shaft 33, the outer wall of the step shaft 33 is provided with a cutting surface 34 for limiting, the clutch flywheel disc 31 is provided with a limiting hole 35 matched with the cutting surface 34 of the step shaft 33, and the clutch flywheel disc 31 is axially assembled on the corresponding cutting surface 34 of the step shaft 33 through the limiting hole 35 and is fixed through bolts to limit and fix the clutch flywheel disc 31 and the transmission shaft 3; during actual manufacturing, the specific structure of the movable fit between the second chain gear 28 and the clutch sleeve 30 and the transmission shaft 3 is as follows: the clutch sleeve 30 is axially assembled on the outer end of the second chain gear 28 through a bolt, the second chain gear 28 and the clutch sleeve 30 are both arranged on a step shaft 33 of the transmission shaft 3, a spacing sleeve 36 is arranged between the step shaft 33 and the second chain gear 28 as well as between the clutch sleeve 30, and the second chain gear 28 and the clutch sleeve 30 are movably matched with the step shaft 33 of the transmission shaft 3 through the spacing sleeve 36.
In actual manufacturing, the casing of the motor 1 mainly comprises a first casing 37 and a second casing 38, the first casing 37 and the second casing 38 are formed by the casing of the motor 1 in a transverse half-section mode respectively and independently, the first casing 37 and the second casing 38 are longitudinally oppositely and fixedly connected in an involutory mode, when the casing of the motor 1 is formed in a transverse half-section mode respectively and independently, the partition 7, the power chamber 8, the transmission sleeve 9, the first liquid baffle plate 12, the second liquid baffle plate 13 and the third liquid baffle plate 14 are transversely and independently formed, and when the first casing 37 and the second casing 38 are longitudinally oppositely and fixedly connected, the partition 7, the power chamber 8, the transmission sleeve 9, the first liquid baffle plate 12, the second liquid baffle plate 13 and the third liquid baffle plate 14 are longitudinally oppositely and involutory and abutted.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Although the motor 1 is used more herein; a main shaft 2; a transmission shaft 3; a sprocket 4; a cooling chamber 5; a water storage cavity 6; a partition 7; a power chamber 8; a driving sleeve 9; a cooling duct 10; a communication notch 11; a first liquid baffle 12; a second liquid baffle 13; a liquid baffle III 14; a water inlet nozzle 15; a liquid outlet 16; a flow port 17; a booster impeller 18; a first transmission bevel gear 19; a third transmission bevel gear 20; a second transmission bevel gear 21; a pressurized transmission oil chamber 22; an oil chamber cover 23; cooling the end cap 24; a clutch transmission oil chamber 25; an oil seal cover 26; a first chain gear 27; a second chain gear 28; a drive chain 29; a clutch sleeve 30; a clutch flywheel disc 31; an arc-shaped shoe block 32; a step shaft 33; a cutting face 34; a stopper hole 35; a spacer sleeve 36; a first housing 37; shell two 38, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (10)
1. The utility model provides a liquid cold electric drive assembly, includes motor (1), motor (1) on vertically wear to be equipped with the main shaft (2) parallel interval distribution's of motor (1) transmission shaft (3), the one end of transmission shaft (3) and the one end separation and reunion transmission of main shaft (2) of motor (1) connect and form one-level reduction gear, the other end of transmission shaft (3) be equipped with and be used for the transmission to connect and form second grade reduction gear's sprocket (4), its characterized in that, the casing of motor (1) in vertically be provided with and separate into cooling chamber (5) with the casing of motor (1), baffle (7) of water storage chamber (6), cooling chamber (5) in vertically be provided with power cavity (8) that are used for installing main shaft (2) of motor (1), power cavity (8) be in cooling chamber (5) through the comprehensive cooling of heat transfer mode, the water storage chamber (6) in vertically be provided with drive sleeve (9) that are used for installing transmission shaft (3), drive sleeve (9) be in water storage chamber (6) in through the comprehensive cooling of heat transfer mode, the casing of motor (1) between cooling chamber (5) and water storage chamber (6) on be provided with and enable cooling chamber (5), water storage chamber (6) form cooling cycle's liquid cooling circulating device.
2. A liquid-cooled electric drive assembly according to claim 1, wherein said liquid-cooled circulation device comprises a cooling channel (10) disposed on a housing of the motor (1), one end of said cooling channel (10) is communicated with a lower end of the water storage chamber (6), the other end of said cooling channel (10) is communicated with an upper end of the cooling chamber (5), a communication notch (11) is disposed at an upper end of the partition plate (7) between the cooling chamber (5) and the water storage chamber (6), the cooling chamber (5) is communicated with the water storage chamber (6) through the communication notch (11) to form a cooling circulation, a circulation power device capable of sending the cooling liquid in the water storage chamber (6) into the cooling chamber (5) is disposed in the cooling channel (10), and a delay cooling device for slowing down the liquid-cooled circulation is disposed in the water storage chamber (6).
3. A liquid-cooled electric drive assembly as claimed in claim 2, wherein said delayed cooling device comprises a first liquid-blocking plate (12), a second liquid-blocking plate (13) and a third liquid-blocking plate (14) which are longitudinally arranged, the upper end of the housing of said motor (1) is provided with a water inlet nozzle (15) communicated with the water storage chamber (6), the lower end of said water storage chamber (6) is provided with a liquid outlet (16) communicated with one end of the cooling channel (10), said first liquid-blocking plate (12), said second liquid-blocking plate (13) and said third liquid-blocking plate (14) are equally distributed between said water inlet nozzle (15) and said liquid outlet (16), said first liquid-blocking plate (12), said second liquid-blocking plate (13) and said third liquid-blocking plate (14) are equally distributed with a flow port (17) for reducing the flow rate of the liquid-cooled circulating liquid, said first liquid-blocking plate (12), said second liquid-blocking plate (13) and said third liquid-blocking plate (14) reduce the flow rate of the liquid-cooled circulating liquid-cooled liquid through the corresponding flow port (17) to reduce The water storage cavity (6) is fully cooled.
4. The liquid cooling electric drive assembly according to claim 2, wherein the circulating power device comprises a supercharging impeller (18) arranged in the cooling channel (10), a first transmission bevel gear (19) is arranged at the other end of the main shaft (2) of the motor (1), a third transmission bevel gear (20) is coaxially arranged on the supercharging impeller (18), a second transmission bevel gear (21) is arranged between the first transmission bevel gear (19) and the third transmission bevel gear (20), and the supercharging impeller (18) is rotatably supercharged in the cooling channel (10) through the transmission meshing of the third transmission bevel gear (20) and the second transmission bevel gear (21) and the transmission meshing of the second transmission bevel gear (21) and the first transmission bevel gear (19).
5. The liquid cooling and electric driving assembly according to claim 4, wherein one end surface of the casing of the motor (1) is provided with a pressurizing transmission oil chamber (22) and an oil chamber cover (23) matched with the pressurizing transmission oil chamber (22) in size and shape, the oil chamber cover (23) and the pressurizing transmission oil chamber (22) are detachably, hermetically and fixedly connected, the transmission bevel gear I (19), the transmission bevel gear II (21) and the transmission bevel gear III (20) are all arranged in the pressurizing transmission oil chamber (22), the cooling channel (10) is L-shaped and is arranged on the end surface of the oil chamber cover (23), the end surface of the oil chamber cover (23) is detachably, hermetically and fixedly connected with a cooling end cover (24) for completely sealing the cooling channel (10), the pressurizing impeller (18) is arranged at the intersection of the L-shaped cooling channel (10) of the oil chamber cover (23), the third transmission helical gear (20) is coaxially and fixedly connected with the booster impeller (18) through a connecting shaft passing through the oil cavity cover (23).
6. The liquid cooling and electric driving assembly according to claim 1, wherein a clutch transmission oil chamber (25) and an oil seal cover (26) matched with the clutch transmission oil chamber (25) in size and shape are arranged on the other end surface of the casing of the motor (1), a first chain gear (27) and a second chain gear (28) are arranged in the clutch transmission oil chamber (25), a transmission chain (29) is arranged between the first chain gear (27) and the second chain gear (28), the first chain gear (27) and the second chain gear (28) form primary speed reduction transmission through transmission of the transmission chain (29), the first chain gear (27) is coaxially and fixedly arranged at one end of the main shaft (2) of the motor (1), the second chain gear (28) is coaxially and movably sleeved at one end of the transmission shaft (3), a clutch sleeve (30) is fixedly arranged on the second chain gear (28) in the same axial direction, one end of the transmission shaft (3) is also fixedly provided with a clutch flywheel disc (31) in a limiting way, the clutch flywheel disc (31) is sleeved outside the clutch sleeve (30), and an automatic clutch device which enables the clutch sleeve (30) and the clutch flywheel disc (31) to be radially jointed or radially separated is arranged between the clutch sleeve (30) and the clutch flywheel disc (31).
7. A liquid cooling and electric driving assembly according to claim 6, wherein the automatic clutch device comprises a plurality of arc-shaped shoes (32), each arc-shaped shoe (32) is elastically connected to form a ring and is arranged between the clutch flywheel disc (31) and the clutch sleeve (30), each arc-shaped shoe (32) is elastically condensed in a radial direction to abut against the outer wall of the clutch sleeve (30) to be radially separated from the clutch flywheel disc (31), the clutch sleeve (30) is hinged to the corresponding arc-shaped shoe (32), when the driven wheel rotates to drive the clutch sleeve (30) to rotate to generate centrifugal force, and when the centrifugal force overcomes the elastic force of each arc-shaped shoe (32) which is elastically connected, the arc-shaped shoes (32) radially displace and abut against the inner wall of the clutch flywheel disc (31) to be radially engaged in friction.
8. A liquid cooling and power driving assembly according to claim 6, wherein one end of the driving shaft (3) is provided with a step shaft (33), the outer wall of the step shaft (33) is provided with a cutting surface (34) for limiting, the clutch flywheel disc (31) is provided with a limiting hole (35) matched with the cutting surface (34) of the step shaft (33), and the clutch flywheel disc (31) is axially assembled on the corresponding cutting surface (34) of the step shaft (33) through the limiting hole (35) and is fixed to limit the clutch flywheel disc (31) and the driving shaft (3) through bolt fixing.
9. A liquid cooling and electric driving assembly according to claim 8, characterized in that the clutch sleeve (30) is axially assembled on the outer end of the second chain gear (28) through a bolt, the second chain gear (28) and the clutch sleeve (30) are both arranged on a step shaft (33) of the transmission shaft (3), a spacing sleeve (36) is arranged between the step shaft (33) and the second chain gear (28) and the clutch sleeve (30), and the second chain gear (28) and the clutch sleeve (30) are movably matched with the step shaft (33) of the transmission shaft (3) through the spacing sleeve (36).
10. A liquid cooled electric drive assembly according to claim 1 or 3, the shell of the motor (1) comprises a first shell (37) and a second shell (38), the first shell (37) and the second shell (38) are respectively and independently formed by a shell of the motor (1) in a transverse half-section, the first shell (37) and the second shell (38) are longitudinally oppositely, oppositely and fixedly connected, when the shell of the motor (1) is transversely and separately formed, the clapboard (7), the power chamber (8), the transmission sleeve (9), the first liquid baffle plate (12), the second liquid baffle plate (13) and the third liquid baffle plate (14) are all transversely and half-sectioned and are respectively and independently molded, when the first shell (37) and the second shell (38) are longitudinally oppositely and oppositely fixed, the partition plate (7), the power chamber (8), the transmission sleeve (9), the first liquid baffle plate (12), the second liquid baffle plate (13) and the third liquid baffle plate (14) are longitudinally oppositely abutted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010587748.1A CN111668995A (en) | 2020-06-24 | 2020-06-24 | Liquid cooling electric drive assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010587748.1A CN111668995A (en) | 2020-06-24 | 2020-06-24 | Liquid cooling electric drive assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111668995A true CN111668995A (en) | 2020-09-15 |
Family
ID=72389839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010587748.1A Pending CN111668995A (en) | 2020-06-24 | 2020-06-24 | Liquid cooling electric drive assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111668995A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113067433A (en) * | 2021-02-23 | 2021-07-02 | 张远 | High-efficient refrigerated cooling device for explosion-proof motor shell |
| CN113765277A (en) * | 2021-09-29 | 2021-12-07 | 南京晨荣环保设备制造有限公司 | Dry-wet dual-purpose efficient operation motor and method and application thereof |
-
2020
- 2020-06-24 CN CN202010587748.1A patent/CN111668995A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113067433A (en) * | 2021-02-23 | 2021-07-02 | 张远 | High-efficient refrigerated cooling device for explosion-proof motor shell |
| CN113765277A (en) * | 2021-09-29 | 2021-12-07 | 南京晨荣环保设备制造有限公司 | Dry-wet dual-purpose efficient operation motor and method and application thereof |
| CN113765277B (en) * | 2021-09-29 | 2022-05-17 | 南京晨荣环保设备制造有限公司 | Dry-wet dual-purpose efficient operation motor and method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2016206342A1 (en) | Self-circulation liquid-cooled permanent magnet motor | |
| CN111668995A (en) | Liquid cooling electric drive assembly | |
| CN204858880U (en) | Cooling system and cold motor of oil of cold motor of oil | |
| CN113098200A (en) | Heat radiation structure of hub motor for electric automobile | |
| CN214464524U (en) | Diesel engine cooling water pump and diesel engine cooling water circulation system | |
| CN114567116A (en) | Fan motor with cooling function and cooling method thereof | |
| CN207150352U (en) | A kind of drive system | |
| CN114094765B (en) | Water-cooling structure of motor | |
| CN212305026U (en) | Liquid cooling electric drive assembly | |
| CN212305025U (en) | Liquid cooling system of electric drive assembly | |
| CN113809893A (en) | Double-stator permanent magnet synchronous motor | |
| CN210093018U (en) | Motor end cover with heat dissipation function | |
| US20230198340A1 (en) | Motor having multiple cooling flow channels | |
| CN114024394B (en) | Power device of new energy automobile low-heat improvement | |
| CN210839229U (en) | Heat radiation structure of hub motor for electric automobile | |
| CN113872371B (en) | Motor shaft end sealing cover capable of dissipating heat | |
| CN110417232B (en) | Electric automobile speed changer | |
| US11415129B2 (en) | High-pressure pump | |
| CN209896863U (en) | Water-cooling and oil-cooling combined permanent magnet synchronous motor | |
| CN221212049U (en) | Water-cooled shell and electric spindle | |
| CN210469053U (en) | Drive motor rotor for new energy automobile with heat dissipation structure and motor using same | |
| CN220234412U (en) | Self-circulation lubrication cooling system of driving motor | |
| CN219655123U (en) | Clutch hub, clutch and vehicle | |
| CN219129428U (en) | Direct-drive sand mill | |
| CN219366216U (en) | Shaft flow distribution cycloid hydraulic motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |