CN201225284Y - Single screw compressor with axial adjustable screw rod rotor - Google Patents
Single screw compressor with axial adjustable screw rod rotor Download PDFInfo
- Publication number
- CN201225284Y CN201225284Y CNU2008200508771U CN200820050877U CN201225284Y CN 201225284 Y CN201225284 Y CN 201225284Y CN U2008200508771 U CNU2008200508771 U CN U2008200508771U CN 200820050877 U CN200820050877 U CN 200820050877U CN 201225284 Y CN201225284 Y CN 201225284Y
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- CN
- China
- Prior art keywords
- screw rotor
- screw
- pad
- single screw
- bearing support
- 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 - Fee Related
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Abstract
The utility model discloses a single screw compressor, a screw rotor of which can be axially adjusted. The single screw compressor comprises a shell and a main shaft, wherein the main shaft is used for assembling the screw rotor and is arranged in the shell through a bearing and a bearing support, the screw rotor is meshed with a star wheel by a driving way, an adjusting shim is arranged between the shell and the bearing support, and a sleeve arranged on the main shaft is arranged between the screw rotor and the bearing. The adjusting shim is formed by splicing two or more than two sector annular shims, or overlapping one or a plurality of circular ring films, or splicing two or more than two sector annular films, or one or a plurality of circular ring thin copper sheets, or two or more than two sector annular thin copper sheets. The utility model has simple structure and convenient assembly, and can ensure that the center of a screw groove is coincident with the center of the star wheel within the ideal value.
Description
Technical field
The utility model relates to a kind of single screw compressor, but is a kind of single screw compressor of screw rotor axial adjustment specifically.
Background technique
In the single screw compressor product, the positioning tolerance of the center line between screw rotor and the star-wheel requires very strict.On the prior art, the position of screw rotor and star-wheel relation relies on the machining accuracy of lathe to guarantee each size often, to guarantee overlap relative with the star-wheel center of screw slot center.But for achieving the above object, the precision and the processing technology of lathe all needed higher requirement, be easy to occur overproof situation like this, cause part to scrap, it is high that manufacture cost also becomes.Afterwards, Chinese patent application 200510111598.2 discloses a kind of convenient single-screw compressor, its structure is by the adjustment pad is set between housing and bearing support, and be to adjust pad to design two kinds of serial sizes, when just adorning, add basic pad, record out the actual deviation at screw slot center and star-wheel center by centering, carry out grinding according to the data of actual deviation to adjusting pad again, thereby regulate the end face distance of compressor, realize the contact ratio at screw slot center and star-wheel center is adjusted within the ideal value scope.But the adjustment pad of this technological scheme is a complete annulus, when needs carry out grinding to adjusting pad, must all disassemble bearing support and associated end face component, just can dismantle and adjust pad, bring very burden to assembly technology to its grinding from housing.When the discharge capacity of compressor was bigger, the diameter of screw rod was big relatively, and the annulus of promptly regulating pad is directly also very big, need polish a very big and annulus of book again, and is very high to the requirement of lathe and grinder, otherwise is difficult to polish, and such cost also can be very high.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, but provides a kind of simple in structure, easy to assembly and can guarantee that screw slot center and star-wheel center overlap the single screw compressor of the screw rotor axial adjustment in the ideal value scope.
But goal of the invention of the present utility model is achieved in that a kind of single screw compressor of screw rotor axial adjustment, the main shaft that comprise housing, is used to assemble screw rotor is installed in the housing by bearing, bearing support, screw rotor and the star-wheel engagement driving that matches, be provided with the adjustment pad between housing and the bearing support, it is characterized in that: be provided with the sleeve that is contained on the main shaft between described screw rotor and the bearing.
Described adjusting pad is put together by the pad of two or more than two fan annular.
The ring film sheet is overlapping forms for one or several for described adjusting pad.
Described adjusting pad is put together for the film sheet of two or more than two fan annular.
Described adjusting pad is one or several ring scale coppers.
Described adjusting pad is that the scale copper of two or more than two fan annular is formed.
The utility model improves the single screw compressor of prior art, is provided with sleeve between screw rod regulating mechanism and bearing, or is provided with the adjusting pad simultaneously between housing and bearing support.When installing sleeve, the parts that screw rod, main shaft, rigid bearing and bearing support are formed take off together, pull down bearing support and take out sleeve, grinding sleeve, because sleeve is smaller, grinding is convenient, and difficulty of processing is little, and grinding is few man-hour, cost is also low, the little type of special adaptation, screw rotor and bearing support quality are low weight, and mounting or dismounting are also convenient.So, often only need a reconditioning sleeve to carry out the adjusting screw rod groove center and the star-wheel center gets final product for little type.Between housing and bearing support, be provided with the adjusting pad when simultaneously, can regulate pad by reconditioning and carry out the adjusting screw rod groove center and overlap with the star-wheel center.Because regulating pad is put together by two or more than two, as long as so after unclamping fixing bolt between bearing support and casing, just can regulate pad therebetween from extracting out, need not screw rotor is removed, the thickness of pacifying actual demand then carries out to unified each pad being carried out contour grinding, after meeting deviate, each pad correspondence is turned back between housing and the bearing support, lock bolt advances to put fixing getting final product again again.This scheme is particularly suitable for the single screw compressor of big type, and screw rotor and bearing support quality are heavier, and mounting or dismounting are inconvenient.The general more straightforward procedure of size type is directly not select the film sheet of standard thickness on the person market or scale copper to replace, as 0.01mm, 0.02mm, 0.03mm etc., when assembling is calculated or is measured the actual axial deviation at screw slot center and star-wheel center, select a kind of corresponding thickness or by the film sheet or the scale copper of the needs thickness that is added to more than two according to deviation, directly be encased inside and get final product, need not the reconditioning pad, more the saving working hour is more low-cost.Single screw compressor of the present utility model guarantees that the coincidence of screw slot center and star-wheel center reaches within the ideal value scope, thereby has simplified the manufacturing efficiency that the installation and removal operation of adjusting pad improves single screw compressor greatly simultaneously, reduces cost.
Description of drawings
Accompanying drawing 1 existing principle schematic by guaranteeing that size is directly installed.
Accompanying drawing 2 is the utility model embodiment 1 a structural representation.
Accompanying drawing 3 is the utility model embodiment 2 a structural representation.
Accompanying drawing 4 is for adjusting the structural representation of pad.
Accompanying drawing 5 is the utility model embodiment 3 a structural representation.
Accompanying drawing 6 is the utility model embodiment 4 a structural representation.
Embodiment
The utility model will be further described below in conjunction with accompanying drawing.
With reference to the accompanying drawings shown in 2 to 5, but the single screw compressor of the utility model screw rotor axial adjustment, the main shaft 3 that comprise housing 1, is used to assemble screw rotor 2 is installed in the housing 1 by bearing 4, bearing support 5, screw rotor 2 and star-wheel 6 engagement driving that matches, between screw rotor 2 and bearing 4, be provided with the sleeve 8 that is contained on the main shaft 3, make the length of sleeve 8 meet screw rod 2 screw channel centers and overlap the requirement that reaches the ideal value scope with star-wheel 6 centers.Be provided with between housing 1 and the bearing support 5 and adjust pad 7, carry out fixed-site by bolt between housing 1, adjustment pad 7 and the bearing support 5.Record the actual deviation of the position of 6 of screw rotor 2 and star-wheels, unclamp fixing bolt, can take out and adjust pad 7, make the position sign between screw rod 2 screw channel centers and star-wheel 6 centers close ideal value thereby change the thickness of adjusting pad 7.Adjust pad 7 and can be following several form: (1) is put together by the pad of two or more than two fan annular; (2) the ring film sheet is overlapping forms for one or several; (3) film sheet of fan annular for two or more than two is put together; (4) be one or several ring scale coppers; (5) be the scale copper composition of two or more than two fan annular.
Fig. 2 is assembling when the time measuring the actual axial deviation at screw rod 2 screw channel centers and star-wheel 6 centers, pulls down bearing 4, and grinding sleeve 8 is to the actual demand size, and installation goes back to get final product again.Because the screw rotor 2 of little type is low weight with bearing support 5 quality, so this scheme is particularly suitable for the axial adjustment structure of the smaller single screw compressor screw rod of type.
Fig. 3,4 is owing to regulate pad 7 by two or more than two amalgamation or overlapping forming, as long as so after unclamping the fixing bolt of 1 of bearing support 5 and housing, just can regulate pad 7 therebetween from extracting out, need not a screw rotor 2 commentaries on classics removes, the thickness of pacifying actual demand then carries out to unified each pad being carried out contour grinding, after meeting deviate, each pad is inserted between housing 1 and the bearing support 5, lock bolt advances to put fixing getting final product again again.Because during big type, screw rotor 2 is heavier with bearing support 5 quality, mounting or dismounting are inconvenient, so, for big type compressor, so this scheme is particularly suitable for the axial adjustment structure of the bigger single screw compressor screw rod of type.
When used plastic film chip of Fig. 5 or copper sheet, its thickness is the size of 0.02mm or 0.03mm or 0.05mm etc., when the position between change screw rod 2 screw channel centers and star-wheel 6 centers concerns, at first centering records out the actual deviation at screw rod 2 screw channel centers and star-wheel 6 centers, film sheet or scale copper from standard thickness, as 0.01mm, 0.02mm, 0.03mm etc., get a kind of correspondence or more approaching thin thickness diaphragm or scale copper and install, also available two or more film sheet or the scale copper thickness that needs that is added to is installed.
The screw rotor axial adjustment structure of single screw compressor described in the utility model changes the position relation of screw rotors 2 and star-wheel 6 except adopting adjustment pad 7, in the following manner the value of realizing ideal scope.
Technique effect of the present utility model also can be in Fig. 6 structure, realize by following two kinds of embodiments: (one) is by disassembling screw rotor 2 from housing 1, the end face that screw rotor 2 is connected with bearing support 5 carries out reconditioning, makes it meet screw rod 2 screw channel centers and overlaps the ideal value scope that reaches with star-wheel 6 centers; (2) unscrew nut, housing 1 or bearing support 5 are disassembled and its end face is carried out reconditioning, make it meet screw rod 2 screw channel centers and overlap the ideal value scope that reaches with star-wheel 6 centers.
Claims (6)
1. but the single screw compressor of a screw rotor axial adjustment, the main shaft (3) that comprise housing (1), is used to assemble screw rotor (2) is installed in the housing (1) by bearing (4), bearing support (5), screw rotor (2) and star-wheel (6) engagement driving that matches, be provided with between housing (1) and the bearing support (5) and adjust pad (7), it is characterized in that: be provided with the sleeve (8) that is contained on the main shaft between described screw rotor (2) and the bearing (4).
2. but according to the single screw compressor of the described screw rotor axial adjustment of claim 1, it is characterized in that: described adjusting pad (7) is put together by the pad of two or more than two fan annular.
3. but according to the single screw compressor of the described screw rotor axial adjustment of claim 1, it is characterized in that: the ring film sheet is overlapping forms for one or several for described adjusting pad (7).
4. but according to the single screw compressor of the described screw rotor axial adjustment of claim 1, it is characterized in that: described adjusting pad (7) is put together for the film sheet of two or more than two fan annular.
5. but according to the single screw compressor of the described screw rotor axial adjustment of claim 1, it is characterized in that: described adjusting pad (7) is one or several ring scale coppers.
6. but according to the single screw compressor of the described screw rotor axial adjustment of claim 1, it is characterized in that: described adjusting pad (7) is formed for the scale copper of two or more than two fan annular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200508771U CN201225284Y (en) | 2008-07-17 | 2008-07-17 | Single screw compressor with axial adjustable screw rod rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200508771U CN201225284Y (en) | 2008-07-17 | 2008-07-17 | Single screw compressor with axial adjustable screw rod rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201225284Y true CN201225284Y (en) | 2009-04-22 |
Family
ID=40598170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200508771U Expired - Fee Related CN201225284Y (en) | 2008-07-17 | 2008-07-17 | Single screw compressor with axial adjustable screw rod rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201225284Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105604946A (en) * | 2016-03-09 | 2016-05-25 | 珠海格力节能环保制冷技术研究中心有限公司 | Single-screw compressor |
| DE102021004971A1 (en) | 2020-10-20 | 2022-04-21 | Sew-Eurodrive Gmbh & Co Kg | Transmission with a housing and a shaft unit |
-
2008
- 2008-07-17 CN CNU2008200508771U patent/CN201225284Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105604946A (en) * | 2016-03-09 | 2016-05-25 | 珠海格力节能环保制冷技术研究中心有限公司 | Single-screw compressor |
| DE102021004971A1 (en) | 2020-10-20 | 2022-04-21 | Sew-Eurodrive Gmbh & Co Kg | Transmission with a housing and a shaft unit |
| WO2022084030A1 (en) | 2020-10-20 | 2022-04-28 | Sew-Eurodrive Gmbh & Co. Kg | Gearing having a housing and a shaft unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090422 Termination date: 20150717 |
|
| EXPY | Termination of patent right or utility model |