CN107269533A - A kind of host shell of screw compressor - Google Patents
A kind of host shell of screw compressor Download PDFInfo
- Publication number
- CN107269533A CN107269533A CN201710415911.4A CN201710415911A CN107269533A CN 107269533 A CN107269533 A CN 107269533A CN 201710415911 A CN201710415911 A CN 201710415911A CN 107269533 A CN107269533 A CN 107269533A
- Authority
- CN
- China
- Prior art keywords
- countershaft
- bearing
- host shell
- electric machine
- machine casing
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/30—Casings or housings
Abstract
The present invention relates to a kind of host shell of screw compressor, it includes compressor, magneto in described compressor includes drive shaft, rotor, motor stator, electric machine casing, described rotor is installed on the driving shaft, the drive shaft spring bearing of described support drive shaft is arranged in host shell, described motor stator is arranged in electric machine casing, and described electric machine casing is positioned by seam, electric machine casing connecting bolt is connected on host shell；The structure of inventive shell can carry out precise positioning to Moving plate bearing block, electric machine casing, input shaft, and easy to process, precision is higher, easy for installation.
Description
Technical field
The invention belongs to Compressor Technology field, it is related to a kind of host shell of screw compressor.
Background technology
Scroll air compressor utilizes turbulent structure, because it mainly runs part for dynamic and static whirlpool disk, without reciprocating machine
Structure, so simple in construction, part is few, small volume, lightweight, reliability is higher；Nibbled in work by the continuous of dynamic and static whirlpool disk
Close, be bonded to each other to form compression chamber, by the relative movement of movable orbiting scroll, promote compression chamber to move and change its volume, realize pressure
The process of contracting air；Only engaged in work, without reciprocal contact wear, thus the life-span is longer；And dynamic and static whirlpool disk is continuous
Engagement, smooth running, noise is low；Therefore, screw compressor, which is described as ' new revolution compressor ' and ' without repairing compressor ', is
Pneumatic machinery ideal power source, is widely used in the industries such as industry, agricultural, communications and transportation, medicine equipment, food decoration and weaving
The occasion of compressed air is needed with other.
With the more strict demand to air quality, environmental protection, oil-free turbo-compressor turns into a kind of development trend
With require；A kind of screw compressor of prior art as disclosed in Chinese invention patent application, includes fixed bearing block, connection
Transition, electric machine casing, eddy spinner disk and Moving plate bearing block；Fixed bearing block is connected by seam with being connected transition, fixing bearing
Seat is connected by connecting the seam of transition with electric machine casing, concentric with controlled motor stator and input shaft；It is provided with the middle of transition
The bearing hole fixed with input shaft spring bearing, plays a part of support input shaft rotation；The surrounding of fixed bearing block passes through three
Root pair eccentric shaft is connected with the Moving plate bearing block of fixed scroll Moving plate；To ensure the precision of input shaft and eddy spinner disk rotation, keep away
Exempt from beat and the additional force produced to part caused by decentraction, influence the efficiency and service life of equipment；Fixed bearing block
Be connected the connection seam of transition, in connection transition with the bearings hole in the connection seam of electric machine casing, connection transition, solid
Three counter shaft bearing holes in dead axle bearing, this position and precision must be controlled accurately；And this is logical at present
Cross two parts to coordinate to realize, inherently there is processing and rigging error；And two seams and the axle of centre of connection transition
Bearing bore can not time processing shaping, the precision and axiality of size are difficult control；This is easy for producing decentraction after processing, caused
Beat in assembling difficulty and operating, causes eddy spinner disk rotary resistance big, and efficiency is low in operating, it is high to generate heat；Ground during work
Damage and accelerate, influence the service life of equipment.
The content of the invention
The purpose of the present invention is, there is provided a kind of host shell of screw compressor the problem of presence for prior art, to be somebody's turn to do
The structure of housing can carry out precise positioning to Moving plate bearing block, electric machine casing, input shaft, and easy to process, precision is higher, installs
It is convenient.
The object of the present invention is achieved like this：A kind of host shell of screw compressor, it includes compressor, described
Magneto in compressor includes drive shaft, rotor, motor stator, electric machine casing, and described rotor is arranged on
In drive shaft, the drive shaft spring bearing of described support drive shaft is arranged in host shell, and described motor stator is installed
In electric machine casing, described electric machine casing is positioned by seam, electric machine casing connecting bolt is connected on host shell, described
Compressor include Moving plate, the Moving plate of described compressor is connected on Moving plate bearing block, the end of described Moving plate bearing block
There are three countershaft positioning bearing holes one, described three countershafts positioning bearing hole one passes through bearing plate and bearing in the circumference of face
Fixing screws will position two axially positions of countershaft spring bearing one of bearing hole one, described countershaft support shaft installed in countershaft
Hold one and be connected with countershaft, described countershaft is encased in countershaft spring bearing using countershaft fixing bolt and countershaft fixation clip are spacing
In two, what the homonymy circumference of described host shell and motor connection seam was answered for a pair provided with three with countershaft positioning bearing hole
Countershaft support shaft bearing bore two, described countershaft support shaft bearing bore two is provided with two countershaft spring bearings two in hole, described
Countershaft spring bearing two carries out axially position by location nut, and the path of described location nut is more than countershaft spring bearing two
External diameter.
Described rotor is with drive shaft using interference fit.
The seam being connected on described host shell with electric machine casing is controlled with installing the bearing hole of drive shaft spring bearing
Axiality is between 0~0.025mm.
Described countershaft, using being interference fitted, realizes the support to countershaft and axially position with countershaft spring bearing one.
Gap between described countershaft and countershaft spring bearing two is designed as between 0.01~0.03mm.
Beneficial effects of the present invention：Host shell is by will be with electric machine casing, drive shaft fixing bearing, countershaft fixing bearing
The seam and bearing hole of connection, are arranged in same side, and the three made can once be loaded and machine, the precision of screw compressor
Higher, easy for installation, the stability of product operating is higher.
Countershaft positioning bearing hole two in the screw compressor host shell of the present invention is designed with the outer spiral shell bigger than bearing hole
Without the complete machine inside opening when line, it is ensured that bearing can be installed on the outside of host shell, maintenance and installation, outside is directly turned on
Fastening end cap can be changed, installation and maintenance more facilitate.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
In figure：1st, drive shaft, 2, rotor, 3, motor stator, 4, electric machine casing, 5, drive shaft spring bearing, 6, main
Casing body, 7, location nut, 8, countershaft fixing bolt, 9, countershaft fixation clip, 10, countershaft spring bearing two, 11, countershaft, 12,
Bearing fixing screws, 13, bearing plate, 14, countershaft spring bearing one, 15, Moving plate bearing block, 16, Moving plate, 17, electric machine casing
Connecting bolt.
Embodiment
The present invention is described further below in conjunction with the accompanying drawings.
Embodiment 1
As shown in figure 1, a kind of host shell of screw compressor, it includes the permanent magnetism in compressor, described compressor
Motor includes drive shaft 1, rotor 2, motor stator 3, electric machine casing 4, and described rotor 2 is arranged in drive shaft 1,
The drive shaft spring bearing 5 of described support drive shaft 1 is arranged in host shell 6, and described motor stator 3 is arranged on motor
In housing 4, described electric machine casing 4 is positioned by seam, electric machine casing connecting bolt 17 is connected on host shell 6, described
Compressor include Moving plate 16, the Moving plate 16 of described compressor is connected on Moving plate bearing block 15, described Moving plate bearing
There are three countershaft positioning bearing holes one, described three countershafts positioning bearing hole one passes through bearing pressure in the end face circumference of seat 15
Two axially positions of countershaft spring bearing 1 that plate 13 and bearing fixing screws 12 will be positioned in bearing hole one installed in countershaft,
Described countershaft spring bearing 1 is connected with countershaft 11, and described countershaft 11 fixes pressure using countershaft fixing bolt 8 and countershaft
Plate 9 is spacing to be encased in countershaft spring bearing 2 10, and the homonymy circumference of described host shell 6 and motor connection seam is provided with
Three position the countershaft support shaft bearing bore two that bearing hole is answered for a pair with countershaft, and described countershaft support shaft bearing bore two is installed in hole
There are two countershaft spring bearings 2 10, described countershaft spring bearing 2 10 carries out axially position by location nut 7, described
The path of location nut 7 is more than the external diameter of countershaft spring bearing 2 10.
Beneficial effects of the present invention：Countershaft positioning bearing hole two in the screw compressor host shell of the present invention is designed with
Inside need not being opened when the external screw thread bigger than bearing hole, it is ensured that bearing can be installed on the outside of host shell, maintenance and installation
Complete machine, directly turning on the fastening end cap of outside can be changed, and installation and maintenance more facilitate.
Embodiment 2
As shown in figure 1, a kind of host shell of screw compressor, it includes the permanent magnetism in compressor, described compressor
Motor includes drive shaft 1, rotor 2, motor stator 3, electric machine casing 4, and described rotor 2 is arranged in drive shaft 1,
The drive shaft spring bearing 5 of described support drive shaft 1 is arranged in host shell 6, and described motor stator 3 is arranged on motor
In housing 4, described electric machine casing 4 is positioned by seam, electric machine casing connecting bolt 17 is connected on host shell 6, described
Compressor include Moving plate 16, the Moving plate 16 of described compressor is connected on Moving plate bearing block 15, described Moving plate bearing
There are three countershaft positioning bearing holes one, described three countershafts positioning bearing hole one passes through bearing pressure in the end face circumference of seat 15
Two axially positions of countershaft spring bearing 1 that plate 13 and bearing fixing screws 12 will be positioned in bearing hole one installed in countershaft,
Described countershaft spring bearing 1 is connected with countershaft 11, and described countershaft 11 fixes pressure using countershaft fixing bolt 8 and countershaft
Plate 9 is spacing to be encased in countershaft spring bearing 2 10, and the homonymy circumference of described host shell 6 and motor connection seam is provided with
Three position the countershaft support shaft bearing bore two that bearing hole is answered for a pair with countershaft, and described countershaft support shaft bearing bore two is installed in hole
There are two countershaft spring bearings 2 10, described countershaft spring bearing 2 10 carries out axially position by location nut 7, described
The path of location nut 7 is more than the external diameter of countershaft spring bearing 2 10.
Described rotor 2 is with drive shaft 1 using interference fit.
The seam being connected on described host shell 6 with electric machine casing and the bearing hole control for installing drive shaft spring bearing 5
Axiality processed is between 0~0.025mm.
Described countershaft 11 is with countershaft spring bearing 1 using being interference fitted, and support and axial direction of the realization to countershaft 11 are fixed
Position.
Gap between described countershaft 11 and countershaft spring bearing 2 10 is designed as between 0.01~0.03mm.
Drive shaft support shaft bearing bore, electric machine casing connection seam on described host shell 6, the hole of countershaft spring bearing 2,
Three is all disposed within the same side of host shell, and the three made can once be loaded and machine, and the precision of screw compressor is more
Height, easy for installation, the stability of product operating is higher.
Beneficial effects of the present invention：Host shell is by will be with electric machine casing, drive shaft fixing bearing, countershaft fixing bearing
The seam and bearing hole of connection, are arranged in same side, and the three made can once be loaded and machine, the precision of screw compressor
Higher, easy for installation, the stability of product operating is higher.
Countershaft positioning bearing hole two in the screw compressor host shell of the present invention is designed with the outer spiral shell bigger than bearing hole
Without the complete machine inside opening when line, it is ensured that bearing can be installed on the outside of host shell, maintenance and installation, outside is directly turned on
Fastening end cap can be changed, installation and maintenance more facilitate.
Claims (5)
1. a kind of host shell of screw compressor, it includes compressor, it is characterised in that：Permanent Magnet and Electric in described compressor
Machine includes drive shaft, rotor, motor stator, electric machine casing, and described rotor is installed on the driving shaft, described branch
The drive shaft spring bearing for supportting drive shaft is arranged in host shell, and described motor stator is arranged in electric machine casing, described
Electric machine casing positioned by seam, electric machine casing connecting bolt is connected on host shell, described compressor includes dynamic
Disk, the Moving plate of described compressor is connected on Moving plate bearing block, has three in the end face circumference of described Moving plate bearing block
Countershaft positions bearing hole one, and described three countershafts positioning bearing hole one will be arranged on by bearing plate and bearing fixing screws
Two axially positions of countershaft spring bearing one in countershaft positioning bearing hole one, described countershaft spring bearing one is connected with pair
Axle, described countershaft is encased in countershaft spring bearing two using countershaft fixing bolt and countershaft fixation clip are spacing, described
The homonymy circumference of host shell and motor connection seam is provided with three countershaft support shafts answered for a pair with countershaft positioning bearing hole
Bearing bore two, described countershaft support shaft bearing bore two is provided with two countershaft spring bearings two, described countershaft support shaft in hole
Hold two and axially position is carried out by location nut, the path of described location nut is more than the external diameter of countershaft spring bearing two.
2. a kind of host shell of screw compressor according to claim 1, it is characterised in that：Described rotor with
Drive shaft is using interference fit.
3. a kind of host shell of screw compressor according to claim 1, it is characterised in that：On described host shell
The seam and the bearing hole of installation drive shaft spring bearing being connected with electric machine casing control axiality between 0~0.025mm.
4. a kind of host shell of screw compressor according to claim 1, it is characterised in that：Described countershaft and countershaft
Spring bearing one realizes the support to countershaft and axially position using interference fit.
5. a kind of host shell of screw compressor according to claim 1, it is characterised in that：Described countershaft and countershaft
Gap between spring bearing two is designed as between 0.01~0.03mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710415911.4A CN107269533A (en) | 2017-05-18 | 2017-05-18 | A kind of host shell of screw compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710415911.4A CN107269533A (en) | 2017-05-18 | 2017-05-18 | A kind of host shell of screw compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107269533A true CN107269533A (en) | 2017-10-20 |
Family
ID=60065543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710415911.4A Pending CN107269533A (en) | 2017-05-18 | 2017-05-18 | A kind of host shell of screw compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107269533A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360106A (en) * | 2019-07-25 | 2019-10-22 | 珠海格力节能环保制冷技术研究中心有限公司 | Screw compressor, air-conditioner outdoor unit and air conditioner |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005207258A (en) * | 2004-01-21 | 2005-08-04 | Hitachi Ltd | Hermetic scroll compressor |
| CN1676933A (en) * | 2004-03-30 | 2005-10-05 | 阿耐斯特岩田株式会社 | Scroll fluid machine |
| CN101074667A (en) * | 2006-03-28 | 2007-11-21 | 阿耐思特岩田株式会社 | Scroll fluid machine |
| CN204003475U (en) * | 2014-08-27 | 2014-12-10 | 李廷政 | Scroll compressor and scroll vacuum pump main shaft automatic compensator |
| CN104847660A (en) * | 2015-05-28 | 2015-08-19 | 郭辰 | Low-compression-ratio and fully-oilless scroll air compressor assembly |
| CN206738160U (en) * | 2017-05-18 | 2017-12-12 | 洛阳广纬精工科技有限公司 | A kind of host shell of screw compressor |
-
2017
- 2017-05-18 CN CN201710415911.4A patent/CN107269533A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005207258A (en) * | 2004-01-21 | 2005-08-04 | Hitachi Ltd | Hermetic scroll compressor |
| CN1676933A (en) * | 2004-03-30 | 2005-10-05 | 阿耐斯特岩田株式会社 | Scroll fluid machine |
| CN101074667A (en) * | 2006-03-28 | 2007-11-21 | 阿耐思特岩田株式会社 | Scroll fluid machine |
| CN204003475U (en) * | 2014-08-27 | 2014-12-10 | 李廷政 | Scroll compressor and scroll vacuum pump main shaft automatic compensator |
| CN104847660A (en) * | 2015-05-28 | 2015-08-19 | 郭辰 | Low-compression-ratio and fully-oilless scroll air compressor assembly |
| CN206738160U (en) * | 2017-05-18 | 2017-12-12 | 洛阳广纬精工科技有限公司 | A kind of host shell of screw compressor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360106A (en) * | 2019-07-25 | 2019-10-22 | 珠海格力节能环保制冷技术研究中心有限公司 | Screw compressor, air-conditioner outdoor unit and air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171020 |