CN103401370A - Expansion shaft device used for installing refrigeration compressor motor - Google Patents
Expansion shaft device used for installing refrigeration compressor motor Download PDFInfo
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- CN103401370A CN103401370A CN2013103115479A CN201310311547A CN103401370A CN 103401370 A CN103401370 A CN 103401370A CN 2013103115479 A CN2013103115479 A CN 2013103115479A CN 201310311547 A CN201310311547 A CN 201310311547A CN 103401370 A CN103401370 A CN 103401370A
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- swelling shaft
- refrigeration compressor
- installing
- compressor motor
- slide
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Abstract
The invention discloses an expansion shaft device used for installing a refrigeration compressor motor, and is used for the field of the refrigeration compressor. The expansion shaft device used for installing the refrigeration compressor motor comprises a circular-tube shaped expansion shaft, an inner expansion sleeve and an outer expansion sleeve, wherein the inner expansion sleeve and the outer expansion sleeve are coaxially arranged in and outside the expansion shaft; the inner surface of the expansion shaft is an inner conical surface which is gradually reduced from top to bottom along the axial direction; the outer surface of the expansion shaft is an outer conical surface which is gradually expanded from top to bottom along the axial direction; the side walls of the inner expansion sleeve and the outer expansion sleeve are both provided with through holes evenly distributed along the circumference; an inner sliding block of which the outer end is fitted with the inner conical surface is respectively arranged in each through hole in the inner expansion sleeve; an outer sliding block of which the inner end is fitted with the outer conical surface is respectively arranged in each through hole in the outer expansion sleeve. According to the expansion shaft device used for installing the refrigeration compressor motor, which is disclosed by the invention, all components are tightly matched; the assembling offline problem due to an uneven stator and rotor installation gap can be effectively solved while the coaxial installation precision of the motor stator and the motor rotor is guaranteed, the assembling beat of the compressor is guaranteed, the production efficiency is improved, and meanwhile, a feasible scheme is provided for further reducing a gap between the stator and the rotor to improve the motor efficiency.
Description
Technical field
The present invention is used for the refrigerant compressor field, particularly relates to a kind of swelling shaft device for the refrigeration compressor motor installation.
Background technology
Refrigerant compressor adopts reciprocating compressor more, and reciprocating compressor belongs to positive displacement compressor, is to make the gas of a constant volume sequentially suck and discharge the compressor of enclosure space.Be provided with motor in compressor, the stator of motor is fixedly connected with the body of compressor, and rotor is connected with bent axle, and rotor rotates and drive the reciprocating motion of crankshaft connecting rod system pushing piston in stator, completes air-breathing, compression, exhaust, expansion Four processes.
Reducing the stator and rotor air gap is to improve a kind of important means of electric efficiency, and electric efficiency has improved, and compressor efficiency has also improved.Therefore any improvement of refrigerant compressor being taked and make its efficiency and measure that reliability improves, totally calculate at the compressor that uses by the whole world, and this class measure can bring huge energy-saving benefit.Under existing refrigerant compressor assembly technology, the rotor installation accuracy is not high is the major reason that has a strong impact on compressor assembling beat, lowers production efficiency, therefore can't improve compressor efficiency by reducing the stator and rotor air gap.
Development along with society, refrigerator producer is more and more higher to the requirement of compressor performance, a kind of important means (the interior electric machine rotor gap of industry is generally more than 0.25mm at present) that improves compressor performance and reduce compressor electric motor rotor assemblage gap, but reducing of electric machine rotor gap, requirement to the electric machine rotor installation accuracy also uprises thereupon, otherwise will cause by the inhomogeneous and low problem of production efficiency that cause in motor gap.
In prior art, rotor is first assembled in motor most employing on the assembly line of compressor, the assembly technology of rear assembling stator, this technique mainly contains two kinds of methods: after being assembled to rotor on bent axle, use spacer shims uniform layout assembling stator after rotor periphery, trip bolt 1., pull out spacer shims, complete installation, but this method is not suitable for mechanization production, production efficiency is low; 2. accurately Central Hole of Cylinder Bolts seat dead eye, screw hole relative positioning point position, after the assembling rotor, equipment is accurately located assembling stator after cylinder seat anchor point and stator anchor point, this installation method needs cylinder seat, rotor, stator to have very high manufacturing accuracy and high accuracy stator assembly equipment, equipment investment, part processing cost are high, and the part percent defective is high.
Summary of the invention
For addressing the above problem, the invention provides a kind of installation accuracy, speed that improves motor stator and rotor, be fit to mechanization production, the motor of boosting productivity is installed the swelling shaft device.
the technical solution adopted for the present invention to solve the technical problems is: a kind of swelling shaft device for the refrigeration compressor motor installation, the swelling shaft and coaxial inner expension cap and the outer expansion set that is located at swelling shaft inside and the outside that comprise circular tube shaped, the inner surface of swelling shaft is the inner conical surface that shrinks gradually from top to bottom vertically, the outer surface of swelling shaft is the male cone (strobilus masculinus) that enlarges gradually from top to bottom vertically, be equipped with circumferentially uniform through hole of some edges on the sidewall of inner expension cap and outer expansion set, be equipped with the inner slide of outer end and inner conical surface laminating on inner expension cap in each through hole, be equipped with outer slide inner and the male cone (strobilus masculinus) laminating on outer expansion set in each through hole.
Be further used as the improvement of technical solution of the present invention, evenly offer some slots vertically on the sidewall of swelling shaft, pass each slot and be provided with some securing members that are fixedly connected with inner expension cap and outer expansion set.
Be further used as the improvement of technical solution of the present invention, the upper end of outer expansion set is provided with fixed support, is provided with pilot hole on fixed support directly over swelling shaft, passes pilot hole and is provided with and the coaxial pull bar that is fixedly connected with in swelling shaft top.
Be further used as the improvement of technical solution of the present invention, the top of swelling shaft is provided with edge in annular, passes annular interior screw along being provided with fastening swelling shaft and pull bar, is provided with the screw lining between edge in screw and annular.
Be further used as the improvement of technical solution of the present invention, the outside of outer expansion set is provided with the rubber ring of some each outer slides of tying tight, and the inboard of inner expension cap is provided with some spring coils that strut each inner slide.
Be further used as the improvement of technical solution of the present invention, be equipped with the outer mounting groove of some placement rubber rings on outer expansion set and outer slide, be equipped with the interior mounting groove of some placement spring coils on inner expension cap and inner slide.
Be further used as the improvement of technical solution of the present invention, the inner face of each inner slide and the outer face of each outer slide are the face of cylinder coaxial with swelling shaft.
Beneficial effect of the present invention: the present invention in use, outer expansion set is placed on the motor stator that has been pre-installed inner, inner expension cap is enclosed within on bent axle, then upwards pull swelling shaft, under the effect of swelling shaft inner conical surface and male cone (strobilus masculinus), inner slide inwardly slides and holds bent axle tightly, and outer slide outwards slides and swelling motor stator inner circle, makes motor stator inner circle and fixed electrical machinery stator identical with the axle center of bent axle.Then in operation, rotor be hot jacket on bent axle, so rotor is identical with the axle center of bent axle, thereby has guaranteed that the gap of motor stator and rotor is even.In the present invention, each parts closely cooperate, and, by first mounted motor stator mounting rotor of electric motor again, guarantee motor stator and the coaxial installation accuracy of rotor, improve simultaneously speed is installed, and are fit to mechanization production.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing:
Fig. 1 is embodiment of the present invention internal structure schematic diagram;
Fig. 2 is that the embodiment of the present invention is used view;
Fig. 3 is embodiment of the present invention axonometric drawing;
Fig. 4 is embodiment of the present invention explosive view.
Embodiment
with reference to Fig. 1～Fig. 4, the invention provides a kind of swelling shaft device for the refrigeration compressor motor installation, the swelling shaft 1 and coaxial inner expension cap 2 and the outer expansion set 3 that is located at swelling shaft 1 inside and the outside that comprise circular tube shaped, the inner surface of swelling shaft 1 is the inner conical surface 10 that shrinks gradually from top to bottom vertically, the outer surface of swelling shaft 1 is the male cone (strobilus masculinus) 11 that enlarges gradually from top to bottom vertically, be equipped with circumferentially uniform through hole 4 of some edges on the sidewall of inner expension cap 2 and outer expansion set 3, be equipped with the inner slide 21 of outer end and inner conical surface 10 laminatings on inner expension cap 2 in each through hole 4, be equipped with outer slides 31 inner and male cone (strobilus masculinus) 11 laminatings on outer expansion set 3 in each through hole 4.
The present invention in use, outer expansion set 3 is placed on mounted motor stator 6 inside, inner expension cap 2 is enclosed within on bent axle 7, then upwards pull swelling shaft 1, under the effect of swelling shaft 1 inner conical surface 10 and male cone (strobilus masculinus) 11, inner slide 21 inwardly slides and holds bent axle 7 tightly, and outer slide 31 outwards slides and swelling motor stator 6 inner circles, makes motor stator 6 inner circles and fixed electrical machinery stator 6 identical with the axle center of bent axle 7.Then in operation, rotor be hot jacket on bent axle 7, so rotor is identical with the axle center of bent axle 7, thereby has guaranteed that motor stator 6 is even with the gap of rotor.In the present invention, each parts closely cooperate, by first mounted motor stator 6 mounting rotor of electric motor again, guarantee motor stator 6 and the coaxial installation accuracy of rotor, improve simultaneously speed is installed, be fit to mechanization production, effectively solved the inhomogeneous assembling that causes of rotor assemblage gap and rolled off the production line, thereby the assembling beat of assurance compressor is enhanced productivity.In addition, the present invention can make rotor keep the consistency in axle center, guarantee the rotor gap evenly, further reduce the rotor gap and improve electric efficiency a kind of feasible program is provided so also give.
As the preferred embodiment of the present invention, evenly offer some slots 12 vertically on the sidewall of swelling shaft 1, pass each slot 12 and be provided with some securing members that are fixedly connected with inner expension cap 2 and outer expansion set 3.
Certainly, pin 8 is preferred fixture of the present invention, and other are equal to all falls into protection scope of the present invention between being fixedly connected with.
As the preferred embodiment of the present invention, the upper end of outer expansion set 3 is provided with fixed support 32, is provided with pilot hole 320 on fixed support 32 directly over swelling shaft 1, passes pilot hole 320 and is provided with and the coaxial pull bar that is fixedly connected with 5 in swelling shaft 1 top.
As the preferred embodiment of the present invention, the top of swelling shaft 1 is provided with in annular along 13, passes in annular the screw 51 that is provided with fastening swelling shaft 1 and pull bar 5 along 13, screw 51 with annular in be provided with screw lining 52 along 13.
During swelling shaft 1 work, by fixed support 32, outer expansion set 3 is fixedly connected with body, move upward by the pneumatic or electronic pull bar 5 that makes, thereby driving swelling shaft 1 by screw 51 moves upward, on fixed support 32, pilot hole 320 arranges while guaranteeing to be pulled upwardly pull bar 5, each inner slide 21 and outer slide 31 are stressed evenly, improve the coaxial precision of motor stator 6 and bent axle 7.
As the preferred embodiment of the present invention, the outside of outer expansion set 3 is provided with the rubber ring 33 of some each outer slides 31 of tying tight, and the inboard of inner expension cap 2 is provided with some spring coils 22 that strut each inner slide 21.
As the preferred embodiment of the present invention, be equipped with the outer mounting groove 34 of some placement rubber rings 33 on outer expansion set 3 and outer slide 31, be equipped with the interior mounting groove 23 of some placement spring coils 22 on inner expension cap 2 and inner slide 21.
As the preferred embodiment of the present invention, the outer face of the inner face of each inner slide 21 and each outer slide 31 is the face of cylinder coaxial with swelling shaft 1.
The contact-making surface that the design of the end face on the face of cylinder increases by 6 of each inner slide 21 and bent axle 7, each outer slide 31 and motor stators connects, and reduces pressure, avoids producing impression.
Certainly, the invention is not limited to above-mentioned execution mode, those of ordinary skill in the art also can make equivalent variations or replacement under the prerequisite without prejudice to spirit of the present invention, the modification that these are equal to or replacement all are included in the application's claim limited range.
Claims (7)
1. one kind is used for the swelling shaft device that refrigeration compressor motor is installed, it is characterized in that: the swelling shaft (1) and coaxial inner expension cap (2) and the outer expansion set (3) that is located at described swelling shaft (1) inside and the outside that comprise circular tube shaped, the inner surface of described swelling shaft (1) is the inner conical surface (10) that shrinks gradually from top to bottom vertically, the outer surface of swelling shaft (1) is the male cone (strobilus masculinus) (11) that enlarges gradually from top to bottom vertically, be equipped with circumferentially uniform through hole (4) of some edges on the sidewall of described inner expension cap (2) and outer expansion set (3), the upper inner slide (21) that is equipped with outer end and described inner conical surface (10) laminating in each through hole (4) of described inner expension cap (2), the upper outer slide (31) that is equipped with the inner and described male cone (strobilus masculinus) (11) laminating in each through hole (4) of described outer expansion set (3).
2. the swelling shaft device of installing for refrigeration compressor motor according to claim 1, it is characterized in that: evenly offer some slots (12) vertically on the sidewall of described swelling shaft (1), pass each described slot (12) and be provided with some securing members that are fixedly connected with inner expension cap (2) and outer expansion set (3).
3. the swelling shaft device of installing for refrigeration compressor motor according to claim 1 and 2, it is characterized in that: the upper end of described outer expansion set (3) is provided with fixed support (32), described fixed support (32) is upper is provided with pilot hole (320) directly over swelling shaft (1), pass described pilot hole (320) and be provided with and swelling shaft (1) the coaxial pull bar that is fixedly connected with in top (5).
4. the swelling shaft device of installing for refrigeration compressor motor according to claim 3, it is characterized in that: the top of described swelling shaft (1) is provided with in annular along (13), pass the screw (51) that is provided with fastening swelling shaft (1) and pull bar (5) in described annular along (13), is provided with screw lining (52) along between (13) in described screw (51) and annular.
5. the swelling shaft device of installing for refrigeration compressor motor according to claim 1 and 2, it is characterized in that: the outside of described outer expansion set (3) is provided with the rubber ring (33) of some each outer slide (31) of tying tight, and the inboard of described inner expension cap (2) is provided with some spring coils (22) that strut each inner slide (21).
6. the swelling shaft device of installing for refrigeration compressor motor according to claim 5, it is characterized in that: be equipped with the outer mounting groove (34) of the described rubber ring of some placements (33) on described outer expansion set (3) and outer slide (31), be equipped with the interior mounting groove (23) of the described spring coil of some placements (22) on described inner expension cap (2) and inner slide (21).
7. the swelling shaft device of installing for refrigeration compressor motor according to claim 1 and 2, it is characterized in that: the outer face of the inner face of each described inner slide (21) and each described outer slide (31) is the face of cylinder coaxial with swelling shaft (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310311547.9A CN103401370B (en) | 2013-07-23 | 2013-07-23 | Expansion shaft device used for installing refrigeration compressor motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310311547.9A CN103401370B (en) | 2013-07-23 | 2013-07-23 | Expansion shaft device used for installing refrigeration compressor motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103401370A true CN103401370A (en) | 2013-11-20 |
| CN103401370B CN103401370B (en) | 2015-05-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310311547.9A Active CN103401370B (en) | 2013-07-23 | 2013-07-23 | Expansion shaft device used for installing refrigeration compressor motor |
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| CN (1) | CN103401370B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104959742A (en) * | 2015-07-13 | 2015-10-07 | 广东美芝制冷设备有限公司 | Assembly fixture of rotation type compressor and assembly method |
| CN109822105A (en) * | 2019-04-19 | 2019-05-31 | 郑州机械研究所有限公司 | Base material center friction feeding mechanism for plasma rotating electrode atomization powder |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2734703Y (en) * | 2004-10-29 | 2005-10-19 | 西南铝业（集团）有限责任公司 | Aluminium foil cutting and winding expand axle |
| CN201438662U (en) * | 2009-05-08 | 2010-04-14 | 北京毕捷电机股份有限公司 | Tire expanding device |
| CN101944809A (en) * | 2009-07-09 | 2011-01-12 | 龙口中际电工机械有限公司 | Expanding mechanism of expanding plate |
| CN202586662U (en) * | 2012-05-10 | 2012-12-05 | 安徽皖南新维电机有限公司 | Novel expanding device |
| US20130081260A1 (en) * | 2011-09-30 | 2013-04-04 | General Electric Company | Assembly for positioning a rotor retaining ring |
-
2013
- 2013-07-23 CN CN201310311547.9A patent/CN103401370B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2734703Y (en) * | 2004-10-29 | 2005-10-19 | 西南铝业（集团）有限责任公司 | Aluminium foil cutting and winding expand axle |
| CN201438662U (en) * | 2009-05-08 | 2010-04-14 | 北京毕捷电机股份有限公司 | Tire expanding device |
| CN101944809A (en) * | 2009-07-09 | 2011-01-12 | 龙口中际电工机械有限公司 | Expanding mechanism of expanding plate |
| US20130081260A1 (en) * | 2011-09-30 | 2013-04-04 | General Electric Company | Assembly for positioning a rotor retaining ring |
| CN202586662U (en) * | 2012-05-10 | 2012-12-05 | 安徽皖南新维电机有限公司 | Novel expanding device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104959742A (en) * | 2015-07-13 | 2015-10-07 | 广东美芝制冷设备有限公司 | Assembly fixture of rotation type compressor and assembly method |
| CN109822105A (en) * | 2019-04-19 | 2019-05-31 | 郑州机械研究所有限公司 | Base material center friction feeding mechanism for plasma rotating electrode atomization powder |
| CN109822105B (en) * | 2019-04-19 | 2024-01-30 | 郑州机械研究所有限公司 | Base metal center continuous feeding mechanism for atomization pulverizing of plasma rotating electrode |
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| Publication number | Publication date |
|---|---|
| CN103401370B (en) | 2015-05-20 |
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