CN201435654Y - Shaft water cooling structure - Google Patents
Shaft water cooling structure Download PDFInfo
- Publication number
- CN201435654Y CN201435654Y CN2009200146351U CN200920014635U CN201435654Y CN 201435654 Y CN201435654 Y CN 201435654Y CN 2009200146351 U CN2009200146351 U CN 2009200146351U CN 200920014635 U CN200920014635 U CN 200920014635U CN 201435654 Y CN201435654 Y CN 201435654Y
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- CN
- China
- Prior art keywords
- swivel joint
- axle
- steel pipe
- shaft
- water
- 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.)
- Expired - Lifetime
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- Motor Or Generator Cooling System (AREA)
Abstract
The utility model a shaft water cooling structure, belonging to the electromotor manufacturing field, which comprises a shaft (20), a steel pipe (5), a rack (1), a swivel joint (4) and a small flange(6); wherein the shaft (20) is a hollow structure; the shaft (20), the small flange (6), the swivel joint (4) form a communicated water pipeline structure; the steel pipe (5) is arranged in the communicated water pipeline structure; the right end of the steel pipe is fixed on the swivel joint (4); one side of the small flange (6) is fixed with the swivel joint (4) through the bearing and the otherside is fixed with the shaft (20); the swivel joint (4) is fixed with a guard ring (2) through the rack (1); sealing devices are arranged between the shaft (20) and the small flange (6) and between the small flange (6) and the swivel joint (4); and the inner side and the outer side of the steel pipe (5) are respectively connected with a water inlet pipe and a water outlet pipe. The utility modelcan decrease temperature rise of motor windings, the rotor cages and the bearing, wherein the motor has small volume and high power.
Description
Technical field
The utility model relates to motor and makes the field, is a kind of axle water-cooling structure of realizing powerful small size motor realization reduction motor windings, rotor cage bar, bearing temperature rise specifically.
Background technology
The motor that on the colliery, uses, the motor profile is subjected to the restriction of unit assembly space on the one hand; Operating mode inclement condition in colliery requires height to motor performance on the other hand, and the temperature rise remaining is big.And according to the design of electrical motor theory, reduce the volume of motor, will improve winding, bearing temperature rise, and the temperature of winding, bearing directly influences the useful life of motor, so we press for a kind of method that reduces motor winding, rotor cage bar, bearing temperature rise, satisfy user's requirement, adapt to the demand in market.
The utility model content
In order to solve the problems of the technologies described above, the utility model discloses a kind of water-cooling structure of realizing powerful small size motor reduction motor windings, rotor cage bar, bearing temperature rise, concrete technical scheme is:
A kind of shaft water-cooling structure comprises axle 20, steel pipe 5, support 1, swivel joint 4, little flange 6; Described axle 20 is a hollow-core construction; Axle 20, little flange 6, swivel joint 4 constitute the ventilating water pipe structure that is communicated with; Described steel pipe 5 is arranged in the ventilating water pipe structure of described connection, and right-hand member is fixed in swivel joint 4, and described little flange 6 one sides and swivel joint 4 are by bearing fixing, and opposite side is fixing with axle 20, and swivel joint 4 is fixing with guard ring 2 by support 1; Axle 20 and little flange 6, little flange 6 and 4 of swivel joints are provided with sealing device; The medial and lateral of described steel pipe 5 link to each other with inlet pipe, drain pipe respectively.
For obtaining better technique effect, be provided with support set 12 at axle 20 and 5 of steel pipes;
The ventilating water pipe structure left side of described connection is provided with envelope piece 18, and the left end of described steel pipe 5 is provided with plug 13, and described envelope piece 18, plug 13 are provided with the concave arc of position correspondence, and described concave arc place is provided with steel ball 14.
Described support set 12 section configurations are that the centre has a macropore, and the structure of a plurality of apertures is arranged all around; The diameter of described macropore is greater than the external diameter of steel pipe 5;
The quantity of described support set 12 is according to the length variations of axle, and uniform.
The utility model has the advantages that: 1. have the advantage that reduces motor windings, rotor cage bar, bearing temperature rise for the big again motor of volume small-power, and respond well; 2. rational in infrastructure, simple; 3. owing to can satisfy the temperature requirement of heavy-duty motor, therefore has higher economical efficiency with small size.
Description of drawings
Fig. 1 is a motor reel water-cooling system structural representation;
Fig. 2 is not round for support set signal end view figure;
Fig. 3 is a ventilating water pipe structure left side structural representation;
Fig. 4 is a rack assumption diagram;
Fig. 5 is a cooling water circulation schematic diagram;
Fig. 6 is the overall structure schematic diagram.
Embodiment
Specify the utility model below in conjunction with accompanying drawing;
As shown in Figure 1, the utility model comprises axle 20, steel pipe 5, support 1, swivel joint 4, little flange 6; Described axle 20 is a hollow-core construction; Axle 20, little flange 6, swivel joint 4 constitute the ventilating water pipe structure that is communicated with; Described steel pipe 5 is arranged in the ventilating water pipe structure of described connection, and right-hand member is fixed in swivel joint 4, and described little flange 6 one sides and swivel joint 4 are by bearing fixing, and opposite side is fixing with axle 20, and swivel joint 4 is fixing with guard ring 2 by support 1; Axle 20 and little flange 6, little flange 6 and 4 of swivel joints are provided with sealing device; The medial and lateral of described steel pipe 5 link to each other with inlet pipe, drain pipe respectively.In the utility model structure, swivel joint 4 is bolted to guard ring 2 by support 1.Swivel joint is fixed on the outer tegillum 7 in back by guard ring 2, because during electric motor normal working, swivel joint does not rotate simultaneously with axle, so when the motor reel bringing onto load rotates, can cause swivel joint vibration, the axiality that the elasticity by support 1 guarantees axle and swivel joint with prevent spool and really up to the mark contact of swivel joint causes and leak.
For guaranteeing that steel pipe 5 is positioned the center of axle 20, is provided with support set 12 at axle 20 and 5 of steel pipes.
Described little flange 6 is that little flange 6 is by plain washer 19, plain washer 210 and press stifled 11 hermetically-sealed constructions of forming to be fastened on the axle by bolt, and rotates jointly with axle 20 with axle 20 syndetons;
4 of little flange 6 and swivel joints link to each other with swivel joint 4 and sealing device are set by two place kick bearings and guarantee between the two water-tight.
As shown in Figure 2, described support set 12 section configurations are that the centre has a punching, and the structure of a plurality of apertures is arranged all around, and the quantity of described support set 12 is according to the length variations of axle, and uniform; Steel pipe 5 is supported on axle 20 centers by the centre bore of support set 12, flows through in the aperture of cooling water around support set 12.
As shown in Figure 3, the ventilating water pipe structure left side of described connection is provided with envelope piece 18, and the right-hand member of described steel pipe 5 is provided with plug 13, and described envelope piece 18, plug 13 are provided with the concave arc that has of position correspondence, described concave arc place embeds and is provided with steel ball 14, has guaranteed the concentricity of steel pipe 5 with axle so on the one hand; Cooperate between part on the other hand and lubricate well, thus the useful life of having improved envelope piece 18 and plug 13, and described envelope piece 18 and plug 13 materials are polytetrafluoroethylene, have high-wearing feature.Envelope piece 18 links to each other with the hollow shaft inboard aperture by two O RunddichtringOs 19, guarantees sealing, anti-water-leaking structure.
As shown in Figure 4, swivel joint 4 is bolted to guard ring 2 by support 1, and support 1 angle is 60 °.
Described as shown in Figure 5 axle forms whole cooling water loop structure with the rotation cooling system, the inboard of the right side aperture of water outlet connector (user's autogamy) by joint 3, swivel joint 4, steel pipe 5, the aperture of the upper and lower side of steel pipe 5 left ends, the steel pipe outside, support set 12, little flange 6 inwalls form whole cooling water loop structure to the left side delivery port of swivel joint 4.Motor assembled shaft cooling system structure figure is as Fig. 6.The copper loss that motor stator winding copper loss and rotor cage bar produce respectively accounts for 20% of motor total losses, and the iron loss that stator core, rotor core produce accounts for 40% of motor total losses altogether, and all the other motor are mechanical loss or the like.During motor output rated power, these losses will make motor produce a large amount of heats, greatly reduce the temperature rise of axle behind the use rotation cooling system by cooling water: axle makes the heat of rotor cage bar take away by rotor core on the one hand, rotor temperature rise is reduced greatly, and after the rotor surface heat do not diffuse into stator core, the temperature rise of stator core, stator winding is reduced greatly, thus the useful life of having improved motor; We are when the designing high-power motor on the other hand, generally front end housing, rear end cap are designed to water-cooling structure, make bearing outside be forced cooling like this by water, end cap water-cooled inboard cooperates the small fan of motor inner chamber more simultaneously, the heat of iron core is blowed to end cap, and the temperature rise of motor inner chamber also reduces greatly.And the heat of bearing inner sleeve can't be taken away, and behind the rotation cooling system of increase axle, overcoat is simultaneously by water cooling in the bearing now, and the temperature rise of bearing reduces greatly, has improved the useful life of bearing.In a word, the ventilating water pipe structure of described connection is carried out water cooling to motor jointly with the forward and backward end cap and the support water cooling system of original motor when the motor operate as normal, make cooling effect better.
The utility model uses the YBSS2-1000 motor of our factory production to do type approval test, and original motor is done type approval test, locates to place the PT100 temperature sensor at winding, front end housing inboard etc., surveys each position temperature data by the experimenter; Then original motor is decomposed, former motor solid shafting is processed into hollow-core construction, increased the swivel joint converting system after the assembling once more, form the axle water-cooling structure of motor, continue this motor is done type approval test, write down each position temperature data.The temperature contrast is as shown in table 1 before and after the test.
A--increases the normal solid shafting motor of axle water-cooling system B--
In the motor stator winding, in the front end housing, all place PT100 as temperature element in the rear end cap; Front end housing, the rear end cap outside, back spindle nose (being motor mounting swivel joint side) use the far infrared temperature measurer to measure when motor is done experiment; Can find out that from Ben Biao the axle water-cooling system is bigger to each position temperature rise influence of motor, has the motor windings of reduction, rotor cage bar, the significant advantage of bearing temperature rise, can satisfy user's requirement, adapts to the demand in market.
Claims (6)
1. a shaft water-cooling structure is characterized in that: comprise axle (20), steel pipe (5), support (1), swivel joint (4), little flange (6); Described axle (20) is a hollow-core construction; Axle (20), little flange (6), swivel joint (4) constitute the ventilating water pipe structure that is communicated with; Described steel pipe (5) is arranged in the ventilating water pipe structure of described connection, right-hand member is fixed in swivel joint (4), described little flange (6) one sides and swivel joint (4) are by bearing fixing, and opposite side is fixing with axle (20), and swivel joint (4) is fixing by support (1) and guard ring (2); Be provided with sealing device between axle (20) and little flange (6), little flange (6) and swivel joint (4); The medial and lateral of described steel pipe (5) link to each other with inlet pipe, drain pipe respectively.
2. shaft water-cooling structure according to claim 1 is characterized in that: be provided with support set (12) between axle (20) and steel pipe (5).
3. shaft water-cooling structure according to claim 2, it is characterized in that: the ventilating water pipe structure left side of described connection is provided with envelope piece (18), the left end of described steel pipe (5) is provided with plug (13), described envelope piece (18), plug (13) are provided with the concave arc of position correspondence, and described concave arc place is provided with steel ball (14).
4. shaft water-cooling structure according to claim 2 is characterized in that: described support set (12) section configuration is that the centre has a punching, and the structure of a plurality of apertures is arranged all around.
5. shaft water-cooling structure according to claim 2 is characterized in that: the quantity of described support set (12) is according to the length variations of axle, and uniform.
6. shaft water-cooling structure according to claim 2 is characterized in that: described support 1 angle is 60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200146351U CN201435654Y (en) | 2009-06-17 | 2009-06-17 | Shaft water cooling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200146351U CN201435654Y (en) | 2009-06-17 | 2009-06-17 | Shaft water cooling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201435654Y true CN201435654Y (en) | 2010-03-31 |
Family
ID=42054468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200146351U Expired - Lifetime CN201435654Y (en) | 2009-06-17 | 2009-06-17 | Shaft water cooling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201435654Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101924424B (en) * | 2009-06-17 | 2012-02-22 | 抚顺煤矿电机制造有限责任公司 | Shaft water-cooling structure |
| CN109309430A (en) * | 2018-11-21 | 2019-02-05 | 中国科学院电工研究所 | A kind of motor cooling of spindle central water cooling |
-
2009
- 2009-06-17 CN CN2009200146351U patent/CN201435654Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101924424B (en) * | 2009-06-17 | 2012-02-22 | 抚顺煤矿电机制造有限责任公司 | Shaft water-cooling structure |
| CN109309430A (en) * | 2018-11-21 | 2019-02-05 | 中国科学院电工研究所 | A kind of motor cooling of spindle central water cooling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100331 Effective date of abandoning: 20090617 |