CN116191752A - High-speed servo motor with stator cooling - Google Patents
High-speed servo motor with stator cooling Download PDFInfo
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- CN116191752A CN116191752A CN202310284962.3A CN202310284962A CN116191752A CN 116191752 A CN116191752 A CN 116191752A CN 202310284962 A CN202310284962 A CN 202310284962A CN 116191752 A CN116191752 A CN 116191752A
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- 238000001816 cooling Methods 0.000 title claims abstract description 93
- 239000007788 liquid Substances 0.000 claims abstract description 57
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 230000009467 reduction Effects 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 53
- 210000001503 joint Anatomy 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 13
- 238000004891 communication Methods 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 239000011148 porous material Substances 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 6
- 239000000110 cooling liquid Substances 0.000 abstract description 26
- 230000000694 effects Effects 0.000 abstract description 10
- 238000011282 treatment Methods 0.000 abstract description 8
- 230000017525 heat dissipation Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- 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
- H02K5/203—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium specially adapted for liquids, e.g. cooling jackets
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- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention discloses a high-speed servo motor with stator cooling, which relates to the technical field of stators of servo motors, and comprises a motor body and a motor stator arranged in the motor body, wherein a liquid cooler is arranged at the top of a shell of the motor body, a cooling sleeve is sleeved on the outer wall of the motor stator, a flow guiding cavity is formed in the cooling sleeve, a speed reducing cavity is formed in a reinforcing convex strip, a plurality of cooling strip cavities are formed in the periphery of the interior of the motor stator, and a guide mechanism for supplying cold to the cooling strip cavities is arranged in the mounting cavity; according to the invention, through the cooperation of the cooling sleeve, the flow guide cavity, the cooling strip cavity and the guide mechanism, two liquid cooling treatments with different flow rates are conveniently carried out on the motor stator, the motor stator and the cooling sleeve can be firmly connected, the connection strength between the motor stator and the cooling sleeve is improved, meanwhile, the cooling liquid from the inside of the flow guide cavity is conveniently subjected to multiple times of speed reduction treatment, the cooling effect on the motor stator is greatly improved, and the failure rate of the high-speed servo motor in use is effectively reduced.
Description
Technical Field
The invention relates to the technical field of stators of servo motors, in particular to a high-speed servo motor with stator cooling.
Background
The electric drive system is similar to an engine system of a fuel vehicle, the electric drive system converts energy of a power battery into kinetic energy, the temperature rise of a motor is the most difficult problem to overcome when the power level of the electric drive system is improved, a main stream of heat dissipation mode is water-cooled, heat sources on a stator cannot be directly cooled due to a straight tubular arrangement heat dissipation mode, the cooling area of the motor stator is not uniform enough, heat at the end part of a motor winding is required to be transmitted to the inner wall of a shell through a stator core and then taken away by a water channel, a transmission path is long, the heat dissipation efficiency is low, the double cooling effect of two flow rates of cooling liquid on the motor stator cannot be achieved, and if the cooling operation of the motor stator is carried out by adopting the cooling liquid with the high flow rate, the cooling effect of the motor stator is affected under the condition that the circulated cooling liquid is insufficient in refrigeration; the failure rate of the motor in use is increased; therefore, an improvement is required to deal with the above problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a high-speed servo motor with stator cooling.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides a high-speed servo motor with stator cooling, includes the motor body and installs the motor stator in the motor body inside, the liquid cooler is installed at the shell top of motor body, cup joint the cooling jacket on the motor stator outer wall, the outer wall week side longitudinal bulge of cooling jacket has a plurality of reinforcement sand grip, the locating duct has been seted up to the preceding terminal surface of reinforcement sand grip, the fixed positioning screw that is equipped with in locating duct inside, a plurality of joint bar grooves have been seted up on the outer wall equidistance of motor stator; a plurality of clamping convex strips are equidistantly protruded on the inner ring wall of the cooling sleeve, and the clamping convex strips are clamped in the clamping strip grooves; a coiled flow guide cavity is formed in the cooling sleeve along the length direction, a plurality of speed reduction cavities communicated with the flow guide cavity are longitudinally formed in the reinforcing convex strips, and four corners of the inside of the speed reduction cavity 7, which are centered on the positioning pore channels, are separated into a plurality of choke cavities; a speed reducing port is formed between the choke cavities at the inner end and the outer end of the speed reducing cavity, a liquid inlet pipe communicated with the front speed reducing cavity is vertically arranged at the front end of the outer wall of the reinforcing convex strip at the top of the cooling sleeve, and the outer end of the liquid inlet pipe is fixedly communicated with the liquid outlet end of the liquid cooler; the rear end of the outer wall of the reinforcing convex strip at the top of the cooling sleeve is vertically provided with a liquid outlet pipe communicated with the rear end speed reducing cavity, and the outer end of the liquid outlet pipe is fixedly communicated with the liquid return end of the liquid cooler; the motor stator is characterized in that a plurality of cooling strip cavities are longitudinally formed in the peripheral side of the inside of the motor stator, communication holes communicated with the clamping strip grooves are formed in the front end and the rear end of the outer wall of each cooling strip cavity, mounting cavities matched with the communication holes are formed in the front end and the rear end of each reinforcing raised strip, and a guide mechanism for cooling the cooling strip cavities is arranged in the mounting cavities.
Preferably, the middle part of the outer end of the reinforcing convex strip is provided with a V-shaped conveying cavity, and the inner walls of the two sides of the conveying cavity are provided with through holes communicated with the choke cavities; guide ports communicated with the choke cavities are formed in the inner walls of the upper parts of the two sides of the installation cavity; and the choke cavities at the two sides of the bottom of the speed reducing cavity are communicated with the diversion cavity.
Preferably, the guide mechanism comprises a sealing block, a movable pipe, a storage groove and a butt joint nozzle, wherein the sealing block is vertically and dynamically arranged in the upper part of the mounting cavity, the movable pipe is fixedly connected to the inner end of the sealing block, the storage groove is formed in the end part of the bottom surface of the clamping convex strip, the butt joint nozzle is arranged in the storage groove, a return cavity is formed in the outer end of the mounting cavity, and a thrust component for pushing down the sealing block is arranged in the return cavity; the inside of the sealing block is provided with an overflow cavity, and the peripheral side of the top surface of the sealing block is provided with a plurality of overflow holes communicated with the overflow cavity; the outer end of the movable pipe is communicated with the overflow cavity; the movable pipe movably penetrates into the accommodating interior and is fixedly communicated with the butt joint nozzle; and a sealing rubber sleeve is sleeved on the outer wall of the butt joint nozzle.
Preferably, the movable pipe is positioned on the outer wall of the pipe body in the installation cavity and sleeved with a reset spring, the outer ring of the top surface of the sealing block is fixedly connected with a sealing ring, and the bottom of the sealing block is fixedly connected with a sealing gasket; and an abutting ring matched with the sealing gasket is fixedly connected to the outer wall of the inner bottom surface of the mounting cavity.
Preferably, the thrust component comprises a pushing block movably arranged in the return cavity, a connecting rod fixedly connected to the inner end surface of the pushing block and a return spring movably sleeved on the connecting rod, wherein the inner end of the connecting rod movably penetrates through the inside of the mounting cavity and is fixedly connected with the outer end surface of the sealing block; the outer end of the pushing block movably penetrates into the positioning screw tube; and the front end surface of the pushing block is in a shape of a slope inclined backwards.
Preferably, a thread groove matched with the internal thread of the positioning screw tube is formed in the outer end face of the pushing block; the outer wall of the pushing block positioned in the return cavity is fixedly sleeved with a sealing ring.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, through the cooperation of the cooling sleeve, the flow guide cavity, the cooling strip cavity and the guide mechanism, two liquid cooling treatments with different flow rates are conveniently carried out on the motor stator, the dual and different flow rate cooling effects are realized, the motor stator and the cooling sleeve can be firmly connected, the connection strength between the motor stator and the cooling sleeve is improved, the cooling liquid in the flow guide cavity is conveniently subjected to multiple times of cooling treatments, the motor stator is effectively cooled, meanwhile, the heat emitted by the motor stator can be carried out through the cooling liquid passing through slowly, the uniformity of the cooling sleeve when the motor stator is subjected to heat dissipation and cooling is improved, the cooling effect on the motor stator is greatly improved, and the fault rate of the high-speed servo motor in use is effectively reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
FIG. 1 is a schematic diagram of a motor body according to the present invention;
FIG. 2 is a schematic diagram of the front view of the motor stator and cooling jacket according to the present invention;
FIG. 3 is a schematic perspective view of a motor stator according to the present invention;
FIG. 4 is a schematic perspective view of a cooling jacket according to the present invention;
FIG. 5 is a front view in cross section of the motor stator and cooling jacket of the present invention;
FIG. 6 is a front view of a cooling jacket and reinforcing ribs of the present invention;
FIG. 7 is an enlarged cross-sectional view of the structure at location A of FIG. 5 in accordance with the present invention;
fig. 8 is a cross-sectional view showing a side structure of the pusher block of the present invention.
Number in the figure: 1. a motor body; 2. a motor stator; 3. a cooling jacket; 4. reinforcing the convex strips; 5. positioning a spiral tube; 6. clamping convex strips; 7. a speed reducing cavity; 8. a diversion cavity; 9. a speed reducing port; 10. cooling the strip cavity; 11. a sealing block; 12. a movable tube; 13. a seal ring; 14. a sealing gasket; 15. a butt joint nozzle; 16. a connecting rod; 17. a pushing block; 18. a return spring; 19. a seal ring; 20. a return spring; 21. an abutment ring; 22. a communication hole; 23. a diversion port; 24. a liquid inlet pipe; 25. a liquid outlet pipe; 26. a liquid cooler.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Examples: referring to fig. 1 to 8, a high-speed servo motor with stator cooling comprises a motor body 1 and a motor stator 2 arranged in the motor body 1, wherein a liquid cooler 26 is arranged at the top of a shell of the motor body 1, a cooling sleeve 3 is sleeved on the outer wall of the motor stator 2, a plurality of reinforcing convex strips 4 are longitudinally protruded on the peripheral side of the outer wall of the cooling sleeve 3, a positioning pore canal is formed in the front end surface of the reinforcing convex strips 4, a positioning screw tube 5 is fixedly arranged in the positioning pore canal, and a plurality of clamping strip grooves are formed in the outer wall of the motor stator 2 at equal intervals; a plurality of clamping convex strips 6 are equidistantly protruded on the inner ring wall of the cooling sleeve 3, and the clamping convex strips 6 are clamped in the clamping strip grooves; a coiled flow guide cavity 8 is formed in the cooling sleeve 3 along the length direction, a plurality of speed reduction cavities 7 communicated with the flow guide cavity 8 are longitudinally formed in the reinforcing raised strips 4, and four corners of the speed reduction cavities 7 taking a positioning pore canal as a circle center are separated into a plurality of choke cavities; a speed reducing port 9 is arranged between the choke chambers at the inner end and the outer end of the speed reducing chamber 7, a liquid inlet pipe 24 communicated with the front speed reducing chamber 7 is vertically arranged at the front end of the outer wall of the reinforcing convex strip 4 at the top of the cooling sleeve 3, and the outer end of the liquid inlet pipe 24 is fixedly communicated with the liquid outlet end of the liquid cooler 26; the rear end of the outer wall of the reinforcing convex strip 4 at the top of the cooling sleeve 3 is vertically provided with a liquid outlet pipe 25 communicated with the rear end speed reducing cavity 7, and the outer end of the liquid outlet pipe 25 is fixedly communicated with the liquid return end of the liquid cooler 26; a plurality of cooling strip cavities 10 are longitudinally formed on the peripheral side of the inside of the motor stator 2, communication holes 22 communicated with the clamping strip grooves are formed at the front end and the rear end of the outer wall of the cooling strip cavities 10, mounting cavities matched with the communication holes 22 are formed in the front end and the rear end of the reinforcing convex strips 4, and a guide mechanism for supplying cold to the cooling strip cavities 10 is arranged in each mounting cavity; the middle part of the outer end of the reinforcing convex strip 4 is provided with a V-shaped conveying cavity, and the inner walls of the two sides of the conveying cavity are provided with through holes communicated with the choke cavities; the inner walls of the upper parts of the two sides of the installation cavity are respectively provided with a diversion opening 23 communicated with the choke cavity; the choke cavities at two sides of the bottom of the speed reducing cavity 7 are communicated with the diversion cavity 8; through the cooperation of cooling jacket 3 with water conservancy diversion chamber 8 and cooling strip chamber 10 and guide mechanism, be convenient for carry out the liquid cooling treatment of two kinds of different velocity of flow to motor stator 2, and can carry out between firm the connection to motor stator 2 and the cooling jacket 3, improve joint strength between the two, be convenient for carry out multiple deceleration to follow the inside coolant liquid of water conservancy diversion chamber 8 simultaneously and handle, be convenient for when satisfying and effectively cooling to motor stator 2, can carry out through the coolant liquid of slow process to the heat that motor stator 2 gives off, uniformity when can improve cooling jacket 3 to motor stator 2 and dispel the heat, the cooling effect to motor stator 2 has been improved by a wide margin, and then the fault rate of high-speed servo motor when using is effectively reduced.
In the invention, the guide mechanism comprises a sealing block 11 vertically and dynamically sealed in the upper part of a mounting cavity, a movable pipe 12 fixedly connected to the inner end of the sealing block 11, a storage groove arranged at the bottom end part of a clamping raised strip 6 and a butt joint nozzle 15 arranged in the storage groove, wherein a one-way liquid outlet valve is arranged in the butt joint nozzle 15 at the front end of the reinforcing raised strip 4, a one-way liquid inlet valve is arranged in the butt joint nozzle 15 at the rear end of the reinforcing raised strip 4, a return cavity is arranged at the outer end of the mounting cavity, and a thrust component for pushing down the sealing block 11 is arranged in the return cavity; through the thrust component, when the external screw rod connected to the inside of the positioning screw tube 5 is detached, the sealing block 11 can drive the butt joint nozzle 15 at the bottom end of the movable tube 12 to move back and store under the cooperation of the return spring 18 and the return spring 20 in the thrust component, so that the follow-up disassembly operation of the motor stator 2 is facilitated; the inside of the sealing block 11 is provided with an overflow cavity, and the peripheral side of the top surface of the sealing block 11 is provided with a plurality of overflow holes communicated with the overflow cavity; the outer end of the movable tube 12 is communicated with the overflow cavity; the movable pipe 12 movably penetrates into the accommodating interior and is fixedly communicated with the butt joint nozzle 15; the outer wall of the butt joint nozzle 15 is sleeved with a sealing rubber sleeve; the movable pipe 12 is positioned on the outer wall of the pipe body in the installation cavity and sleeved with a return spring 20, the outer ring of the top surface of the sealing block 11 is fixedly connected with a sealing ring 13, and the bottom of the sealing block 11 is fixedly connected with a sealing gasket 14; an abutting ring 21 matched with the sealing gasket 14 is fixedly connected to the outer wall of the inner bottom surface of the mounting cavity; the sealing gasket 14 is matched with the sealing ring 13 and the abutting ring 21, so that the sealing performance of the sealing block 11 in the moving process is greatly improved.
In the invention, the thrust component comprises a pushing block 17 movably arranged in the return cavity, a connecting rod 16 fixedly connected to the inner end surface of the pushing block 17 and a return spring 18 movably sleeved on the connecting rod 16, wherein the inner end of the connecting rod 16 movably penetrates through the inside of the installation cavity and is fixedly connected with the outer end surface of the sealing block 11; the outer end of the pushing block 17 movably penetrates into the positioning screw tube 5; the front end surface of the pushing block 17 is in a shape of a slope inclined backwards; the outer end surface of the pushing block 17 is provided with a screw groove matched with the internal threads of the positioning screw tube 5, so that the screwing effect between the outer screw and the positioning screw tube 5 can be improved when the outer screw is screwed into the positioning screw tube 5; the outer wall of the pushing block 17 positioned in the return cavity is fixedly sleeved with a sealing ring 19; the sealing effect and stability of the pusher block 17 during movement can be improved by the sealing ring 19.
Working principle: in this embodiment, the present invention further provides a method for using a high-speed servo motor with stator cooling, including the following steps:
firstly, sleeving a cooling sleeve 3 with a reinforcing raised strip 4 and a clamping raised strip 6 on the outer wall of a motor stator 2, fixing the cooling sleeve 3 with a positioning screw tube 5 inside a motor body 1 through a long bolt, further completing the installation and fixing of the motor stator 2, sequentially installing structures such as a coil, a rotor and the like inside the motor body 1, injecting cooling liquid into a liquid cooler 26, fixedly communicating a liquid outlet end of the liquid cooler 26 with a liquid inlet tube 24, and fixedly communicating a liquid return end of the liquid cooler 26 with a liquid outlet tube 25; the liquid cooler 26 is electrically connected with a control box of the high-speed servo motor through a wire, so that the liquid cooler 26 can be automatically started through the control box on the high-speed servo motor when the motor stator 2 is overheated;
step two, when the cooling jacket 3 is fixed through an external long screw, the cooling jacket 3 is screwed into the positioning screw tube 5 through the screw rod of the screw rod, so that the pushing block 17 is conveniently extruded into the return cavity under the action of the screw rod, the sealing block 11 is conveniently pushed to move in the installation cavity through the moving pushing block 17, the butt joint nozzle 15 fixedly connected with the movable tube 12 is conveniently pushed to extend out of the storage groove through the movement of the sealing block 11, the butt joint nozzle 15 is conveniently inserted into the communication hole 22 in a sealing way, the connection strength between the cooling jacket 3 and the motor stator 2 is conveniently further processed, and after the sealing block 11 moves inwards, the flow guide port 23 and the installation cavity are also in a communication state, so that cooling liquid in the flow blocking cavity can enter the cooling strip cavity 10 through the action of the liquid passing cavity and the liquid passing hole;
step three, after the cooling bar cavity 10 is communicated with the speed reducing cavity 7, when the motor body 1 is started to drive, and when the rotor under high-speed rotation can cause local overheating of the winding end part, the liquid cooler 26 is started to convey cooling liquid into the conveying cavity through the liquid inlet pipe 24, then the cooling liquid in the conveying cavity can enter the flow blocking cavities at two sides so as to be convenient for performing primary diversion and speed reduction on the injected cooling liquid, and then the cooling liquid in the flow blocking cavities at two sides can perform speed reduction treatment again when entering the flow blocking cavity at the inner end through the speed reducing port 9; the cooling liquid flowing speed from the inside of the speed reducing cavity 7 is conveniently reduced, and the motor stator 2 is conveniently and effectively subjected to heat dissipation through the speed reducing treatment of the cooling liquid; then, part of cooling liquid in the choke cavities at two sides of the inner end can enter the coiled diversion cavity 8, and then when the part of cooling liquid sequentially passes through the coiled diversion cavity 8 and the speed reducing cavity 7, continuous speed reducing treatment can be carried out, so that the cooling effect of the cooling liquid on the motor stator 2 is improved, and the heat of the motor stator 2 can be carried out efficiently;
and fourthly, simultaneously, the cooling liquid in the other parts of the choke cavities at the two sides can enter the installation cavity through the flow guide opening 23, then the cooling liquid in the installation cavity can enter the movable pipe 12 under the action of the liquid passing hole and the liquid passing cavity, then the cooling liquid is injected into the front end inner wall of the cooling strip cavity 10 through the butt joint nozzle 15, the cooling liquid passing through the inside of the cooling strip cavity 10 can quickly reach the inside of the speed reducing cavity 7 at the rear end of the reinforcing convex strip 4 due to the fact that the cooling strip cavity 10 is in a straight line shape, then the cooling liquid flows back into the installation cavity at the rear end through the butt joint nozzle 15 at the rear end at the moment, then the cooling liquid carrying heat flows back into the liquid cooler 26 through the liquid outlet pipe 25 under the action of the rear end speed reducing cavity 7 to perform cooling operation again, then the cooling liquid passing through the inside of the coil-shaped flow guide cavity 8 can reach the speed reducing cavity 7, then the cooling liquid flows back into the liquid cooler 26 through the liquid outlet pipe 25 to perform secondary cooling operation, and the circulating conveying of the cooling liquid is convenient for improving the efficient heat dissipation effect on the motor stator 2.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (6)
1. The utility model provides a high-speed servo motor with stator cooling, includes motor body (1) and installs motor stator (2) inside motor body (1), its characterized in that: the motor comprises a motor body (1), wherein a liquid cooler (26) is arranged at the top of a shell of the motor body (1), a cooling sleeve (3) is sleeved on the outer wall of a motor stator (2), a plurality of reinforcing convex strips (4) longitudinally protrude from the peripheral side of the outer wall of the cooling sleeve (3), a positioning pore canal is formed in the front end surface of each reinforcing convex strip (4), a positioning screw tube (5) is fixedly arranged in each positioning pore canal, and a plurality of clamping strip grooves are formed in the outer wall of the motor stator (2) at equal intervals; a plurality of clamping convex strips (6) are equidistantly protruded on the inner ring wall of the cooling sleeve (3), and the clamping convex strips (6) are clamped in the clamping strip grooves;
a coiled flow guide cavity (8) is formed in the cooling sleeve (3) along the length direction, a plurality of speed reduction cavities (7) communicated with the flow guide cavity (8) are longitudinally formed in the reinforcing raised strips (4), and four corners of the inside of the speed reduction cavities (7) taking a positioning pore canal as a circle center are separated into a plurality of flow blocking cavities; a speed reducing port (9) is formed between flow blocking cavities at the inner end and the outer end of the speed reducing cavity (7), a liquid inlet pipe (24) communicated with the front speed reducing cavity (7) is vertically arranged at the front end of the outer wall of the reinforcing convex strip (4) at the top of the cooling sleeve (3), and the outer end of the liquid inlet pipe (24) is fixedly communicated with the liquid outlet end of the liquid cooler (26); a liquid outlet pipe (25) communicated with the rear end speed reducing cavity (7) is vertically arranged at the rear end of the outer wall of the reinforcing convex strip (4) at the top of the cooling sleeve (3), and the outer end of the liquid outlet pipe (25) is fixedly communicated with the liquid return end of the liquid cooler (26);
the motor stator (2) is characterized in that a plurality of cooling strip cavities (10) are longitudinally formed in the peripheral side of the inside of the motor stator (2), communication holes (22) communicated with clamping strip grooves are formed in the front end and the rear end of the outer wall of each cooling strip cavity (10), mounting cavities matched with the communication holes (22) are formed in the front end and the rear end of each reinforcing convex strip (4), and a guide mechanism for cooling the cooling strip cavities (10) is arranged in the mounting cavities.
2. A high speed servo motor with stator cooling as claimed in claim 1 wherein: the middle part of the outer end of the reinforcing convex strip (4) is provided with a V-shaped conveying cavity, and the inner walls of the two sides of the conveying cavity are provided with through holes communicated with the choke cavities; the inner walls of the upper parts of the two sides of the installation cavity are respectively provided with a diversion opening (23) communicated with the choke cavity; and choke cavities at two sides of the bottom of the speed reducing cavity (7) are communicated with the diversion cavity (8).
3. A high speed servo motor with stator cooling as claimed in claim 1 wherein: the guide mechanism comprises a sealing block (11) vertically and dynamically sealed in the upper part of the mounting cavity, a movable pipe (12) fixedly connected to the inner end of the sealing block (11), a containing groove formed in the end part of the bottom surface of the clamping convex strip (6) and a butt joint nozzle (15) arranged in the containing groove, the outer end of the mounting cavity is provided with a return cavity, and a thrust component for pushing down the sealing block (11) is arranged in the return cavity; the inside of the sealing block (11) is provided with an overflow cavity, and the peripheral side of the top surface of the sealing block (11) is provided with a plurality of overflow holes communicated with the overflow cavity; the outer end of the movable pipe (12) is communicated with the overflow cavity; the movable pipe (12) movably penetrates into the accommodating interior and is fixedly communicated with the butt joint nozzle (15); and a sealing rubber sleeve is sleeved on the outer wall of the butt joint nozzle (15).
4. A high speed servo motor with stator cooling as claimed in claim 3 wherein: the movable pipe (12) is positioned on the outer wall of the pipe body in the installation cavity and sleeved with a reset spring (20), the outer ring of the top surface of the sealing block (11) is fixedly connected with a sealing ring (13), and the bottom of the sealing block (11) is fixedly connected with a sealing gasket (14); an abutting ring (21) matched with the sealing gasket (14) is fixedly connected to the outer wall of the inner bottom surface of the mounting cavity.
5. A high speed servo motor with stator cooling as claimed in claim 3 wherein: the thrust component comprises a pushing block (17) movably arranged in the return cavity, a connecting rod (16) fixedly connected to the inner end surface of the pushing block (17) and a return spring (18) movably sleeved on the connecting rod (16), wherein the inner end of the connecting rod (16) movably penetrates through the inside of the mounting cavity and is fixedly connected with the outer end surface of the sealing block (11); the outer end of the pushing block (17) movably penetrates into the positioning screw tube (5); and the front end surface of the pushing block (17) is in a shape of a backward inclined slope.
6. A high speed servo motor with stator cooling as recited in claim 5 wherein: a screw groove matched with the internal screw thread of the positioning screw tube (5) is formed in the outer end surface of the pushing block (17); the pushing block (17) is fixedly sleeved with a sealing ring (19) on the outer wall of the inside of the return cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310284962.3A CN116191752A (en) | 2023-03-22 | 2023-03-22 | High-speed servo motor with stator cooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310284962.3A CN116191752A (en) | 2023-03-22 | 2023-03-22 | High-speed servo motor with stator cooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116191752A true CN116191752A (en) | 2023-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310284962.3A Pending CN116191752A (en) | 2023-03-22 | 2023-03-22 | High-speed servo motor with stator cooling |
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| Country | Link |
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| CN (1) | CN116191752A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116566123A (en) * | 2023-07-10 | 2023-08-08 | 福建华大电机有限公司 | Oil-cooled permanent magnet variable frequency motor |
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2023
- 2023-03-22 CN CN202310284962.3A patent/CN116191752A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116566123A (en) * | 2023-07-10 | 2023-08-08 | 福建华大电机有限公司 | Oil-cooled permanent magnet variable frequency motor |
| CN116566123B (en) * | 2023-07-10 | 2023-09-19 | 福建华大电机有限公司 | Oil-cooled permanent magnet variable frequency motor |
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