CN207705912U - Machine shaft and the cooling shaft type oil-cooled motor of evaporation - Google Patents
Machine shaft and the cooling shaft type oil-cooled motor of evaporation Download PDFInfo
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- CN207705912U CN207705912U CN201820079617.0U CN201820079617U CN207705912U CN 207705912 U CN207705912 U CN 207705912U CN 201820079617 U CN201820079617 U CN 201820079617U CN 207705912 U CN207705912 U CN 207705912U
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- machine shaft
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Abstract
The utility model discloses a kind of machine shafts and evaporation to cool down shaft type oil-cooled motor, machine shaft, including shaft ontology, and the shaft body interior is equipped with cavity, and the shaft ontology is divided into evaporator section and condensation segment from middle part to end；The cooling shaft type oil-cooled motor of evaporation, including casing, drive end bearing bracket, rear end cap, stator, rotor and shaft；Drive end bearing bracket is equipped with fore bearing room, rear end cap is equipped with rear bearing chamber, drive end bearing bracket is equipped with the first oil circuit for being directed toward fore bearing room, rear end cap is equipped with the second oil circuit of bearing chamber after direction, casing roof is equipped with the pouring orifice being connected to seal cavity, coolant flow channel is formed between casing inner wall and stator, coolant flow channel one end is connected to pouring orifice, the other end respectively with the first oil circuit and the second oil communication.Its advantages of is that the cooling oil of the first oil circuit and the second oil circuit cools down machine shaft both ends, and countershaft is lubricated, and reduces the frictional force in shaft rotation process.
Description
Technical field
The utility model is related to motor cooling technology, especially a kind of machine shaft and evaporation cooling shaft type oil cooling electricity
Machine.
Background technology
Motor generally will produce greatly by rotor, stator, shaft, radiator fan and casing composition, rotor in rotary course
The heat of the heat of amount, generation is mainly distributed by radiator fan and shell, and this radiating mode, which radiates to the appearance of motor, imitates
Fruit is relatively good, but for the high heat producing component inside motor, such as rotor, shaft and bearing, the heat that these components generate is very
Difficulty distributes；Meanwhile in order to increase the lubricant effect between shaft and bearing, the bearing of irregular countershaft being needed to be added
Lubricating oil is difficult to be added since bearing is mounted in casing.
Utility model content
The purpose of this utility model is to solve the deficiencies in the prior art, provides a kind of 600 shaft type oil-cooled motor of machine shaft.
A kind of technical solution of the utility model：
A kind of machine shaft, including shaft ontology, the shaft body interior are equipped with cavity, and the shaft ontology is by middle part
It is divided into evaporator section and condensation segment to end.
A kind of preferred embodiment be equipped in the cavity so that in cavity liquid reflux liquid-sucking core.
It further includes adiabatic section that a kind of preferred embodiment, which is the shaft ontology, the adiabatic section be located at evaporator section and condensation segment it
Between.
The utility model another technical solution：
A kind of machine shaft shaft type oil-cooled motor, including casing, drive end bearing bracket, rear end cap, stator, rotor and machine shaft；
One end of casing is tightly connected with drive end bearing bracket, and the other end is tightly connected with rear end cap, is formed between casing, drive end bearing bracket and rear end cap
The center of seal cavity, drive end bearing bracket is equipped with fore bearing room, and the center of rear end cap is equipped with rear bearing chamber, fore bearing room and rear bearing chamber
It is inside respectively equipped with the bearing of support machine shaft, drive end bearing bracket is equipped with the first oil circuit that fore bearing room is directed toward by edge, and rear end cap is set
There are the second oil circuit of bearing chamber after being directed toward by edge, casing roof to be equipped with the pouring orifice being connected to seal cavity, casing inner wall is set
Fluted, and coolant flow channel is formed between groove and stator, coolant flow channel one end is connected to pouring orifice, and the other end is respectively with first
Oil circuit and the second oil communication；The bottom of casing inner wall is equipped with oil trap, and drive end bearing bracket or rear end cap are equipped with and oil sump
Outage；Exterior section coolant flows to fore bearing room from the first oil circuit and is cooled down to one end of machine shaft, partly from second
Oil circuit flow direction after bearing chamber and to the other end of machine shaft cool down..
It includes twice runner that a kind of preferred embodiment, which is coolant flow channel, and each runner is from the top of casing inner wall the bottom of to
The detour groove that portion extends a, wherein runner and the first oil communication, another runner and the second oil communication.
A kind of preferred embodiment is that casing inner wall is equipped with the first backflash extended from the bottom of casing inner wall to top and the
Two backflashes, one end of the first backflash are connected to a wherein runner, the other end and the first oil communication, the second backflash
One end is connected to another runner, the other end and the second oil communication.
A kind of preferred embodiment is that the inner wall of drive end bearing bracket or rear end cap is extended with oil scraper ring, and oil scraper ring is placed on that bearing is outer and gear oil
The width of ring is not less than and bearing width.
In summary technical solution, the beneficial effects of the utility model：When motor operates, rotor heat is transferred to motor and turns
The evaporator section of axis, the heat of evaporator section is conducted to condensation segment in machine shaft, and cooling oil is cold out of pouring orifice injection coolant flow channel
But the cooling oil in runner respectively enters the first oil circuit and the second oil circuit, and the cooling oil of the first oil circuit and the second oil circuit is to condensation segment
It is cooled down, and machine shaft and bearing is lubricated, reduce the frictional force in machine shaft rotation process；Condensation segment simultaneously
Interior coolant liquid is back in evaporator section, is continued the heat for absorbing evaporator section, can be improved the service life of the utility model
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and being implemented in accordance with the contents of the specification, and in order to allow the above and other purpose, feature of the utility model
It can be clearer and more comprehensible with advantage, it is special below to lift preferred embodiment, and coordinate attached drawing, detailed description are as follows.
Description of the drawings
Fig. 1 is the schematic diagram of machine shaft in the utility model；
Fig. 2 is the stereogram of the utility model；
Fig. 3 is the sectional view of the utility model；
Fig. 4 is the exploded view of the utility model；
Fig. 5 is the sectional view of rear end cap in the utility model.
Specific implementation mode
First embodiment, as shown in Figure 1, arrow indicates the flow direction of hot gas, a kind of machine shaft 600, including shaft in Fig. 1
Ontology, shaft body interior are equipped with cavity, and shaft ontology is divided into evaporator section 602 and condensation segment 604 from middle part to end.
Preferably, the liquid-sucking core 605 for making liquid reflux in cavity is equipped in cavity, liquid-sucking core 605 enables to cavity
Interior liquid quick backflow increases the heat conversion between evaporator section 602 and condensation segment 604.
Preferably, shaft ontology further includes adiabatic section 603, and the adiabatic section 603 is located at evaporator section 602 and condensation segment 604
Between.
Machine shaft 600 is exactly to utilize sweat cooling so that 600 both ends temperature difference of machine shaft is very big, keeps heat quick
Conduction.It is to be pumped into negative pressure state inside machine shaft 600, is filled with liquid appropriate, this boiling point of liquid is low, readily volatilized.
Shaft body interior, which is equipped with cavity, liquid-sucking core 605, is made of capillary-porous material.600 interlude of machine shaft is evaporation
End, both ends are condensation end, and when 600 interlude of machine shaft is heated, the liquid in capillary evaporates rapidly, and steam is small
Condensation segment 604 is flowed under pressure difference, and releases heat, and regelation leans on capillary force along porous material again at liquid, liquid
Effect flow back to evaporator section 602, so cycle is more than, and heat reaches both ends by 600 interlude of machine shaft.This cycle is fast
What speed carried out, heat, which can be conducted continuously, to be come.
Second embodiment, as shown in Figures 1 to 5, a kind of 600 shaft type oil-cooled motor of machine shaft, including casing 100, it is preceding
End cap 200, rear end cap 300, stator 400, rotor 500 and machine shaft 600；One end of casing 100 connects with the sealing of drive end bearing bracket 200
It connects, the other end is tightly connected with rear end cap 300, and seal cavity is formed between casing 100, drive end bearing bracket 200 and rear end cap 300, preceding
The center of end cap 200 is equipped with fore bearing room 201, and the center of rear end cap 300 is equipped with rear bearing chamber 301, fore bearing room 201 and rear axle
The bearing 601 that support machine shaft 600 is respectively equipped in room 301 is held, drive end bearing bracket 200 is equipped with is directed toward fore bearing room 201 by edge
The first oil circuit, rear end cap 300 be equipped be directed toward by edge after bearing chamber 301 the second oil circuit 302,100 roof of casing be equipped with
The pouring orifice 101 of seal cavity connection, 100 inner wall of casing is equipped with groove, and forms coolant flow channel between groove and stator 400
103,103 one end of coolant flow channel is connected to pouring orifice 101, and the other end is connected to the first oil circuit and the second oil circuit 302 respectively；First
Oil circuit and 302 structure of the second oil circuit are identical.The bottom of 100 inner wall of casing is equipped with oil trap 104, drive end bearing bracket 200 or rear end cap 300
Equipped with the outage being connected to oil trap 104；Exterior section coolant flows to fore bearing room 201 from the first oil circuit and turns to motor
One end of axis cools down, partly from bearing chamber 301 after the second oil circuit 302 flow direction and to the cooling of the other end of machine shaft.
As shown in Figures 1 to 5, when motor operates, the evaporator section 602 of 500 heat transfer of rotor to machine shaft 600 steams
The heat transfer of section 602 is sent out to condensation segment 604, cooling oil is injected from pouring orifice 101 in coolant flow channel 103, in coolant flow channel 103
Cooling oil respectively enter the first oil circuit and the second oil circuit 302, the cooling oil of the first oil circuit and the second oil circuit 302 enters fore bearing
Room 201 and rear bearing chamber 301, the condensation segment 604 of cooling oil in fore bearing room 201 and rear bearing chamber 301 to machine shaft 600
It is cooled down, and machine shaft 600 and bearing 601 is lubricated, reduce the frictional force in 600 rotation process of machine shaft.
Specifically, as shown in Figures 1 to 5, coolant flow channel 103 includes twice runner, and each runner is by casing 100
The detour groove that the top of inner wall extends to bottom a, wherein runner and the first oil communication, another runner and the second oil
Road 302 is connected to, and detour groove extends the stroke that cooling oil flows through, and can preferably take the heat generated in motor out of.Casing
100 inner walls are equipped with the first backflash 105 and the second backflash extended from the bottom of 100 inner wall of casing to top, the first reflux
One end of slot 105 is connected to a wherein runner, the other end and the first oil communication, one end of the second backflash and another shunting
Road is connected to, and the other end is connected to the second oil circuit 302.First backflash 105 is identical with the second reflux slot structure.Cooling oil is from oiling
Mouthfuls 101 enter, and part cooling oil flows to a wherein runner, and the cooling oil in the runner flows to the through the first backflash 105
One oil circuit, the cooling oil in the first oil circuit is cooling to one end of machine shaft 600 and lubrication；Part cooling oil flows to another shunting
Road, the cooling oil in the runner flow to the second oil circuit 302 through the second backflash, and the cooling oil in the second oil circuit 302 is to motor
600 other end of shaft is cooling and lubricates；Cooling oil flows to oil trap 104, last cooling oil after being cooled down to 600 both ends of machine shaft
It is flowed out from outage.
Preferably, as shown in figure 3, the inner wall of drive end bearing bracket 200 or rear end cap 300 is extended with oil scraper ring 303, oil scraper ring 303
It is placed on outside bearing 601 and the width of oil scraper ring 303 is not less than and 601 width of bearing.
It is specific embodiment of the present utility model above, it is noted that for those skilled in the art
For, without departing from the principle of this utility model, several improvements and modifications can also be made, these improvements and modifications
It is considered as the scope of protection of the utility model.
Claims (7)
1. a kind of machine shaft, which is characterized in that including shaft ontology, the shaft body interior is equipped with cavity, the shaft
Ontology is divided into evaporator section and condensation segment from middle part to end.
2. machine shaft according to claim 1, which is characterized in that be equipped in the cavity and make liquid reflux in cavity
Liquid-sucking core.
3. machine shaft according to claim 2, which is characterized in that the shaft ontology further includes adiabatic section, described exhausted
Hot arc is between evaporator section and condensation segment.
4. a kind of cooling shaft type oil-cooled motor of evaporation, including casing, drive end bearing bracket, rear end cap, stator and rotor；The one of the casing
End is tightly connected with drive end bearing bracket, and the other end is tightly connected with rear end cap, and sealing is formed between the casing, drive end bearing bracket and rear end cap
Cavity, which is characterized in that further include the machine shaft described in claim 3, the center of the drive end bearing bracket is equipped with fore bearing room, after
The center of end cap is equipped with rear bearing chamber, and the bearing of support machine shaft, institute are respectively equipped in the fore bearing room and rear bearing room
It states drive end bearing bracket and is equipped with the first oil circuit for being directed toward fore bearing room by edge；The rear end cap is equipped be directed toward by edge after bearing chamber the
Two oil circuits, the casing roof are equipped with the pouring orifice being connected to the seal cavity, and the casing inner wall is equipped with groove, and described
Coolant flow channel is formed between groove and stator, described coolant flow channel one end is connected to pouring orifice, the other end respectively with the first oil circuit
With the second oil communication；The bottom of the casing inner wall is equipped with oil trap, and the drive end bearing bracket or rear end cap are equipped with to be connected with oil trap
Logical outage；Exterior section coolant flows to fore bearing room from the first oil circuit and is cooled down to one end of machine shaft, external portion
Divide coolant part from bearing chamber after the second oil circuit flow direction and the other end of machine shaft is cooled down.
5. the cooling shaft type oil-cooled motor of evaporation according to claim 4, which is characterized in that the coolant flow channel includes twice
Runner, each runner are the detour groove extended from the top of casing inner wall to bottom, wherein a runner and the first oil
Road is connected to, another runner and the second oil communication.
6. the cooling shaft type oil-cooled motor of evaporation according to claim 4 or 5, which is characterized in that the casing inner wall is equipped with
The first backflash and the second backflash extended from the bottom of casing inner wall to top, one end of first backflash with wherein
One runner is connected to, and the other end and the first oil communication, one end of second backflash are connected to another runner, the other end
With the second oil communication
7. the cooling shaft type oil-cooled motor of evaporation according to claim 4, which is characterized in that the drive end bearing bracket or rear end cap
Inner wall is extended with oil scraper ring, and the oil scraper ring is placed on outside bearing and the width of oil scraper ring is not less than and bearing width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820079617.0U CN207705912U (en) | 2018-01-17 | 2018-01-17 | Machine shaft and the cooling shaft type oil-cooled motor of evaporation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820079617.0U CN207705912U (en) | 2018-01-17 | 2018-01-17 | Machine shaft and the cooling shaft type oil-cooled motor of evaporation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207705912U true CN207705912U (en) | 2018-08-07 |
Family
ID=63035167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820079617.0U Active CN207705912U (en) | 2018-01-17 | 2018-01-17 | Machine shaft and the cooling shaft type oil-cooled motor of evaporation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207705912U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107994709A (en) * | 2018-01-17 | 2018-05-04 | 明程电机技术（深圳）有限公司 | Machine shaft and evaporation cooling shaft type oil-cooled motor |
| CN110086285A (en) * | 2019-05-24 | 2019-08-02 | 珠海格力电器股份有限公司 | Motor cabinet and have lathe of this motor cabinet |
-
2018
- 2018-01-17 CN CN201820079617.0U patent/CN207705912U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107994709A (en) * | 2018-01-17 | 2018-05-04 | 明程电机技术（深圳）有限公司 | Machine shaft and evaporation cooling shaft type oil-cooled motor |
| CN107994709B (en) * | 2018-01-17 | 2024-06-11 | 明程电机技术（深圳）有限公司 | Motor rotating shaft and evaporative cooling shaft type oil-cooled motor |
| CN110086285A (en) * | 2019-05-24 | 2019-08-02 | 珠海格力电器股份有限公司 | Motor cabinet and have lathe of this motor cabinet |
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