CN203822635U - Motor shaft assembly and compressor - Google Patents
Motor shaft assembly and compressor Download PDFInfo
- Publication number
- CN203822635U CN203822635U CN201320859486.5U CN201320859486U CN203822635U CN 203822635 U CN203822635 U CN 203822635U CN 201320859486 U CN201320859486 U CN 201320859486U CN 203822635 U CN203822635 U CN 203822635U
- Authority
- CN
- China
- Prior art keywords
- bearing
- motor shaft
- compressor
- shaft assembly
- rotating shaft
- 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
Links
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 13
- 238000005299 abrasion Methods 0.000 abstract 1
- 230000013011 mating Effects 0.000 abstract 1
- 238000009828 non-uniform distribution Methods 0.000 abstract 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract 1
- 238000009826 distribution Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Abstract
The utility model discloses a motor shaft assembly which comprises a vertically arranged rotating shaft, wherein the top end part of the rotating shaft is sleeved with a bracket fixed on a compressor shell; a bearing coaxially sleeving on the rotating shaft is arranged on the top of the bracket. In a working process, the bracket positioned at the top end of the rotating shaft, so that enough structural bearing capacity can be supplied to a relevant structure on the upper part of the motor shaft assembly, and the whole structural supporting force of the motor shaft assembly is distributed in balance; furthermore, the phenomena of part abrasion and the like which are caused by non-uniform distribution of the bearing capacity are avoided, and the whole structure of a compressor is reliable and durable; meanwhile, a bearing pedestal can realize centering and limiting of a bearing, so that the adaptability and the running stability of relevant mating parts such as the bearing, the rotating shaft and a crankshaft in an equipment running process are guaranteed; therefore, the whole running of the compressor is stable and high in efficiency. The utility model also discloses the compressor applying the motor shaft assembly.
Description
Technical field
The utility model relates to compressor corollary equipment technical field, particularly a kind of motor shaft assembly.The utility model also relates to the compressor of this motor shaft assembly of a kind of application.
Background technique
Compressor is a kind of very common refrigeration corollary equipment, and motor shaft assembly is as a requisite work package in compressor main body structure, and its service behaviour also gets more and more people's extensive concerning day by day.
In the motor shaft general assembly structure of current existing motor shaft general assembly structure, especially vertical compressor, it coordinates as main bearing using bent axle major axis and upper flange conventionally, and coordinates as supplementary bearing using bent axle minor axis and lower flange.This kind of structural type causes the mass distribution inequality of its motor shaft assembly part, superstructure quality is larger, substructure quality is less, but integrally-built main support power relies on lower part-structure to provide, superstructure lacks effective support structure, this structural type supporting force distributes unbalance, have a strong impact on the overall operation stability of compressor, make compressor cannot be applicable to some compressor reliability is required to high Environmental Conditions, and its structure only depends on lower part-structure support also to make its bent axle major and minor axis position frictional loss also larger, give the volume fatigue strength of compressor and cause adverse effect working life.
Therefore, how to make the support structure power distribution of motor shaft assembly more balanced, and the important technological problems that more reliability and durability those skilled in the art of being of overall structure of compressor need to be solved at present.
Model utility content
The purpose of this utility model is to provide a kind of motor shaft assembly, and the support structure power of this motor shaft assembly distributes comparatively balanced, and can make the overall structure of compressor more reliability and durability.Another object of the present utility model is to provide a kind of compressor of applying above-mentioned motor shaft assembly.
For solving the problems of the technologies described above, the utility model provides a kind of motor shaft assembly, comprise the rotating shaft of vertical setting, the tip portion of described rotating shaft is arranged with the support being fixed on compressor housing, and the top of described support is provided with the bearing with described rotating shaft coaxial package;
The top of described support is also provided with coaxial package in the bearing support of the peripheral part of described bearing, between described bearing support and described support, fixes by securing means.
Preferably, described securing means is the screw that axially runs through successively described bearing support and described support along described rotating shaft.
Preferably, between described bearing and described rotating shaft, fix by the bearing fastening screw trip bolt that is coaxially plugged in described rotating shaft top.
Preferably, described bearing is any in ball bearing or ball bearing.
The utility model also provides a kind of compressor, comprises housing, is provided with motor shaft assembly in described housing, and described motor shaft assembly is specially the motor shaft assembly as described in above-mentioned any one.
Preferably, between described support and described housing, be welded and fixed.
Above-mentioned background technology relatively, motor shaft assembly provided by the utility model, comprises the rotating shaft of vertical setting, and the tip portion of described rotating shaft is arranged with the support being fixed on compressor housing, and the top of described support is provided with the bearing with described rotating shaft coaxial package.In working procedure, the described support that is positioned at described rotating shaft top can provide enough structure supporting forces for the top dependency structure of described motor shaft assembly, make the overall structure support force of described motor shaft assembly distribute more balanced, and avoid the phenomenons such as the component wear causing because of supporting force skewness, thereby make the overall structure of compressor more reliability and durability; Meanwhile, described bearing support can be realized the centering of described bearing spacing, to ensure suitability and the operation stability between equipment running process middle (center) bearing counterpart relevant to rotating shaft and bent axle etc., thereby makes the overall operation stability and high efficiency more of compressor.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Assembly structure schematic diagram between motor shaft assembly and the associated component thereof of the compressor that Fig. 1 provides for a kind of embodiment of the utility model.
Embodiment
Core of the present utility model is to provide a kind of motor shaft assembly, and the support structure power of this motor shaft assembly distributes comparatively balanced, and can make the overall structure of compressor more reliability and durability; Meanwhile, provide a kind of compressor of applying above-mentioned motor shaft assembly.
In order to make those skilled in the art person understand better the utility model scheme, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Please refer to Fig. 1, the assembly structure schematic diagram between motor shaft assembly and the associated component thereof of the compressor that Fig. 1 provides for a kind of embodiment of the utility model.
In embodiment, motor shaft assembly provided by the utility model, comprise the rotating shaft 11 of vertical setting, the tip portion of rotating shaft 11 is arranged with the support 12 being fixed on compressor housing 21, and the top of support 12 is provided with the bearing 111 with rotating shaft 11 coaxial packages.In working procedure, the support 12 that is positioned at rotating shaft 11 tops can provide enough structure supporting forces for the top dependency structure of described motor shaft assembly, make the overall structure support force of described motor shaft assembly distribute more balanced, and avoid the phenomenons such as the component wear causing because of supporting force skewness, thereby make the overall structure of compressor more reliability and durability; Meanwhile, bearing support 121 can be realized the centering of bearing 111 spacing, to ensure suitability and the operation stability between equipment running process middle (center) bearing 111 and the relevant counterparts such as rotating shaft 11 and bent axle, thereby makes the overall operation stability and high efficiency more of compressor.
Further, adopt above-mentioned mounting structure, can ensure that bearing outer ring and bent axle have good coaxality, bearing and bent axle can be rotated freely, can not be subject to the effect of extra harmful power, make the running that bearing can steady and smooth, improve bearing life, do not produce extra friction power loss, further improve compressor efficiency.
More specifically, securing means 122 is along the axial through-shaft bearing 121 successively of rotating shaft 11 and the screw of support 12.This kind of screw assembly structure is comparatively simple and reliable, thereby can, between guarantee bearing support 121 and support 12 in fastening structure reliability, effectively simplify the dependency structure of described motor shaft assembly.Certainly, above-mentioned securing means 122 is not limited to the screw shown in figure, as long as the actual use needs that can meet described motor shaft assembly all can.
On the other hand, between bearing 111 and rotating shaft 11, fix by the bearing fastening screw trip bolt 112 that is coaxially plugged in rotating shaft 11 tops.The assembly structure that this kind is made up of bearing fastening screw trip bolt 112 is comparatively simple and reliable, thereby can, between guarantee bearing 111 and rotating shaft 11 in fastening structure reliability, effectively simplify the dependency structure of described motor shaft assembly.The actual use needs that can meet described motor shaft assembly it should be pointed out that the assembling form between above-mentioned bearing 111 and rotating shaft 11 is not limited to the bearing fastening screw trip bolt 112 shown in figure, as long as all can.
In addition, bearing 111 is any in rolling bearing or sliding bearing.Should be clear and definite, this bearing 111 is not limited to ball bearing mentioned above or ball bearing, as long as the actual use needs that can meet described motor shaft assembly all can.
It should be pointed out that, specific in actual production operation process, above-mentioned bearing 111 can be aligning antifriction bearing or point contact ball bearing, this aligning antifriction bearing and point contact ball bearing can further improve the overall performance of compressor.
In embodiment, compressor provided by the utility model, comprises housing 21, is provided with motor shaft assembly in housing 21, and described motor shaft assembly is specially the motor shaft assembly as described in embodiment above.The support structure power of described compressor distributes comparatively balanced, and its overall structure is comparatively reliability and durability.
In addition between support 12 and housing 21, be welded and fixed.The assembling form that this kind is welded and fixed is easy and simple to handle, and assembling intensity is higher, can make the integral installation distribution structure reliability of described compressor be able to corresponding raising, and its assembling difficulty is suitably reduced.Certainly, the assembling form between this support 12 and housing 21 is not limited to mentioned above being welded and fixed, as long as the actual use needs that can meet described compressor all can.
In actual assembly manipulation process, the assembling process of above-mentioned compressor is: by existing current techique, bent axle, roller, cylinder, upper lower flange etc. are fitted together and by rotor hot jacket on bent axle, obtain the first modular assembly, motor stator hot jacket is obtained to the second modular assembly on housing, adopt again existing clearance gauge to ensure the uniformity in rotor gap, the first modular assembly is packed in the second modular assembly, pump housing sucking pipe is assembled in cylinder suction port by housing, forms compressor assembly.Adopt heating jacket tooling that bearing bracket is welded on to motor upper end position on compressor assembly.Centration axis bearing is arranged on bearing bracket with centering screw, does not tighten.Dress bearing, fastening with bearing fastening screw trip bolt.Keeping, under the state of pump housing running, tightening centering screw, complete bearing and install.
In summary, the motor shaft assembly providing in the utility model, comprises the rotating shaft of vertical setting, and the tip portion of described rotating shaft is arranged with the support being fixed on compressor housing, and the top of described support is provided with the bearing with described rotating shaft coaxial package.In working procedure, the described support that is positioned at described rotating shaft top can provide enough structure supporting forces for the top dependency structure of described motor shaft assembly, make the overall structure support force of described motor shaft assembly distribute more balanced, and avoid the phenomenons such as the component wear causing because of supporting force skewness, thereby make the overall structure of compressor more reliability and durability; Meanwhile, described bearing support can be realized the centering of described bearing spacing, to ensure suitability and the operation stability between equipment running process middle (center) bearing counterpart relevant to rotating shaft and bent axle etc., thereby makes the overall operation stability and high efficiency more of compressor.
In addition, the compressor of the above-mentioned motor shaft assembly of application that the utility model provides, the support structure power of this compressor distributes comparatively balanced, and its overall structure is comparatively reliability and durability.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and other embodiments' difference, between each embodiment identical similar part mutually referring to.
Above motor shaft assembly provided by the utility model and the compressor of applying this motor shaft assembly are described in detail.Applied specific case herein principle of the present utility model and mode of execution are set forth, above embodiment's explanation is just for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (6)
1. a motor shaft assembly, is characterized in that: comprise the rotating shaft of vertical setting, the tip portion of described rotating shaft is arranged with the support being fixed on compressor housing, and the top of described support is provided with the bearing with described rotating shaft coaxial package;
The top of described support is also provided with coaxial package in the bearing support of the peripheral part of described bearing, between described bearing support and described support, fixes by securing means.
2. motor shaft assembly as claimed in claim 1, is characterized in that: described securing means is the screw that axially runs through successively described bearing support and described support along described rotating shaft.
3. motor shaft assembly as claimed in claim 1, is characterized in that: between described bearing and described rotating shaft, fix by the bearing fastening screw trip bolt that is coaxially plugged in described rotating shaft top.
4. motor shaft assembly as claimed in claim 1, is characterized in that: described bearing is any in rolling bearing or sliding bearing.
5. a compressor, comprises housing, is provided with motor shaft assembly in described housing, it is characterized in that: described motor shaft assembly is specially the motor shaft assembly as described in any one in claim 1 to 4.
6. compressor as claimed in claim 5, is characterized in that: between described support and described housing, be welded and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320859486.5U CN203822635U (en) | 2013-12-24 | 2013-12-24 | Motor shaft assembly and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320859486.5U CN203822635U (en) | 2013-12-24 | 2013-12-24 | Motor shaft assembly and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203822635U true CN203822635U (en) | 2014-09-10 |
Family
ID=51478144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320859486.5U Expired - Lifetime CN203822635U (en) | 2013-12-24 | 2013-12-24 | Motor shaft assembly and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203822635U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104728107A (en) * | 2013-12-24 | 2015-06-24 | 珠海凌达压缩机有限公司 | Motor shaft assembly and compressor |
-
2013
- 2013-12-24 CN CN201320859486.5U patent/CN203822635U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104728107A (en) * | 2013-12-24 | 2015-06-24 | 珠海凌达压缩机有限公司 | Motor shaft assembly and compressor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204271776U (en) | A kind of dynamic poise device of permanent-magnetic synchronous motor rotor | |
| CN202880674U (en) | Rotatable lifting hook assembly | |
| CN203822635U (en) | Motor shaft assembly and compressor | |
| CN207982712U (en) | A kind of automatic bearing assembling apparatus | |
| CN202292044U (en) | Tooling for mounting bearing | |
| CN203495486U (en) | Rotary structure for automobile welding clamp | |
| CN104728107A (en) | Motor shaft assembly and compressor | |
| CN203395035U (en) | Bearing arrangement structure and speed reducer | |
| CN201824239U (en) | Deep hole grinding motorized spindle | |
| CN206889496U (en) | A kind of self-positioning bearing in axial direction and bearing seat assembly | |
| CN205207435U (en) | Insulating tilting pad babbit slide bearing | |
| CN205089623U (en) | Rotary compressor | |
| CN204536135U (en) | A kind of have the gear bidentate load testing machine all carrying function | |
| CN202560798U (en) | Double-thrust support structure of diesel engine crankshaft | |
| CN208734738U (en) | A kind of differential mechanism bearing gland | |
| CN103085027A (en) | Bearing mounting tool | |
| CN202926700U (en) | Broken tiles fixing structure of tilting-pad bearing | |
| CN202579279U (en) | Device for combining horizontal type multi-stage pump rolling bearing | |
| CN202176616U (en) | Bearing bush structure for radial bearing of tilting pad | |
| CN201799930U (en) | Grinding spindle lengthening mechanism | |
| CN202940707U (en) | Tool for motor rotor into shaft | |
| CN202597490U (en) | Convenient-to-assemble hoist | |
| CN203981348U (en) | A kind of revolving meber dynamic balance test tool | |
| CN202756432U (en) | Rolling bearing with roller provided with three-circular-arc surface | |
| CN203670459U (en) | Deep groove ball bearing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140910 |