CN205330988U - Single screw compressor with proper lubrication - Google Patents
Single screw compressor with proper lubrication Download PDFInfo
- Publication number
- CN205330988U CN205330988U CN201521135106.9U CN201521135106U CN205330988U CN 205330988 U CN205330988 U CN 205330988U CN 201521135106 U CN201521135106 U CN 201521135106U CN 205330988 U CN205330988 U CN 205330988U
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- oil groove
- oil
- bearing
- stationary ring
- single screw
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Abstract
The utility model discloses a single screw compressor with proper lubrication, the bearing that its star gear frame second was served is not fragile, has longer life. First end that this single screw compressor with proper lubrication includes star gear frame is installed on bearing frame no. 1 through bearing no. 1, bearing frame no. 1 is fixed on the casing, the second end of star gear frame is equipped with the rotating ring, quiet ring is established in the bearing bore of bearing frame no. 2, hydrostatic bearing is constituteed with quiet ring to the rotating ring, it says and second oil feed way to be equipped with first oil feed on quiet ring, arc angle between first oil feed way and second oil feed are said is 180o, be equipped with first oil groove no. 1 on the internal surface of quiet ring, the second oil groove one, the third oil groove one, first oil groove two, second oil groove no. 2 and third oil groove no. 2, still be equipped with the inlet port on bearing frame no. 2, the inlet port is said with first oil feed and second oil feed way is linked together, be equipped with the oil drain hole on bearing frame no. 2.
Description
Technical field
This utility model belongs to the technical field of single screw compressor。
Background technology
At present, single screw compressor includes casing, screw shaft is arranged in casing by the first sealing device and the second sealing device, and the free end of screw shaft is exposed at the outside of the first sealing device and is connected with the inner ring of free end bearing, the power end of screw shaft is exposed at the outside of the second sealing device and is connected with the inner ring of fixing end bearing, fixing end bearing and free end bearing are respectively arranged in fixing end bearing block and free end shaft bearing, fixing end bearing block and free end shaft bearing are respectively arranged on the two ends of casing, screw rod is provided with helicla flute, in casing, it is positioned at spiral fluted front portion is provided with chamber, screw rod and two star-wheels are meshed, star-wheel is arranged on star wheel frame, first end of star wheel frame is arranged on bearing block one by bearing one, bearing block one is fixed in casing, bearing one is positioned at the outside of the 3rd sealing device, second end of star wheel frame is arranged on bearing block two by bearing two, bearing block two is arranged in casing。Generally, bearing two adopts cylinder roller bearing。Cylinder roller bearing is in use at ordinary times, and it is quite sensitive for shaking the damage to bearing。But, during single screw compressor work, vibrations are inevitably, and this has resulted in cylinder roller bearing rapid wear, it is necessary to safeguard in good time。
Summary of the invention
The purpose of this utility model is to provide a kind of single screw compressor with proper lubrication, and the bearing on its star wheel frame second end is hardly damaged, and has longer service life。
The purpose of this utility model is achieved in that a kind of single screw compressor with proper lubrication, including casing, screw shaft is arranged in casing by the first sealing device and the second sealing device, and the free end of screw shaft is exposed at the outside of the first sealing device and is connected with the inner ring of free end bearing, the power end of screw shaft is exposed at the outside of the second sealing device and is connected with the inner ring of fixing end bearing, fixing end bearing and free end bearing are respectively arranged in fixing end bearing block and free end shaft bearing, fixing end bearing block and free end shaft bearing are respectively arranged on the two ends of casing, screw rod is provided with helicla flute, in casing, it is positioned at spiral fluted front portion is provided with chamber, screw rod and two star-wheels are meshed, star-wheel is arranged on star wheel frame, first end of star wheel frame is arranged on bearing block one by bearing one, bearing block one is fixed in casing, second end of star wheel frame is provided with rotating ring, stationary ring is located in the bearing bore of bearing block two, rotating ring and stationary ring composition hydrostatic bearing, stationary ring is provided with the first oil input channel and the second oil input channel, arc angle between first oil input channel and the second oil input channel is 180o, the inner surface of stationary ring is provided with the first oil groove one, second oil groove one, 3rd oil groove one, first oil groove two, second oil groove the two and the 3rd oil groove two, first oil groove one is connected with the first oil input channel, and the first oil groove one is stretched along the circumference edge of stationary ring, one end of first oil groove one is connected with the second oil groove one, the other end and the 3rd oil groove one of the first oil groove one are connected, and axially extending along stationary ring of the second oil groove the one and the 3rd oil groove one, first oil groove two is connected with the second oil input channel, and circumferentially extending along stationary ring of the first oil groove two, one end of first oil groove two is connected with the second oil groove two, the other end and the 3rd oil groove two of the first oil groove two are connected, and axially extending along stationary ring of the second oil groove the two and the 3rd oil groove two, bearing block two is additionally provided with fuel feed hole, fuel feed hole is connected with the first oil input channel and the second oil input channel, bearing block two is provided with outage。
On the basis of such scheme and as the preferred version of such scheme: rotating ring is the ceramic layer being sprayed on the second end of star wheel frame。
On the basis of such scheme and as the preferred version of such scheme: the arc angle between the first oil duct and the second oil groove one is 30o。
On the basis of such scheme and as the preferred version of such scheme: the arc angle between the first oil duct and the 3rd oil groove one is 60o。
On the basis of such scheme and as the preferred version of such scheme: the arc angle between the second oil duct and the second oil groove two is 30o。
On the basis of such scheme and as the preferred version of such scheme: the arc angle between the second oil duct and the 3rd oil groove two is 60o。
On the basis of such scheme and as the preferred version of such scheme: the arc angle between the second oil groove the one and the 3rd oil groove two is 90o。
On the basis of such scheme and as the preferred version of such scheme: stationary ring adopts graphite material to make。
On the basis of such scheme and as the preferred version of such scheme: outage is positioned at the lower section of stationary ring, and one end of outage is connected with the bearing bore of bearing block two, and the other end of outage is connected with chamber。
This utility model highlights and useful having the technical effect that compared to existing technology
1, the single screw compressor with proper lubrication of the present utility model, due to the second oil groove one, 3rd oil groove one, second oil groove the two and the 3rd oil groove two is in axially extending, make rotating ring have longer length in the axial direction to contact with lubricating oil, so that forming oil film after rotating ring rotates between itself and stationary ring, ensure, between rotating ring and stationary ring, there is reliable lubrication, furthermore, it it is oil film between stationary ring and stationary ring, stationary ring will not directly be contacted with rotating ring, this allows for its vibrations relative insensitivity, there is longer service life, correspondingly extend the maintenance time of single screw compressor。
Accompanying drawing explanation
Fig. 1 is sectional view of the present utility model。
Fig. 2 is sectional view of the present utility model。
Fig. 3 is the structural representation of stationary ring of the present utility model。
Fig. 4 is the sectional view of stationary ring of the present utility model。
Fig. 5 is the sectional view of stationary ring of the present utility model。
Detailed description of the invention
This utility model is further described with specific embodiment below in conjunction with accompanying drawing, referring to Fig. 1 Fig. 5；
This gives a kind of single screw compressor with proper lubrication, including casing 1, screw shaft is located on the first sealing device 21 and the second sealing device 22, screw shaft is arranged in casing 1 by the first sealing device 21 and the second sealing device 22, specifically, screw shaft is located on the first sealing device 21 and the second sealing device 22, first sealing device 21 and the second sealing device 22 are arranged in casing, formed between the first sealing device 21 and screw shaft and between the second sealing device 22 and screw shaft and seal, to prevent from being compressed gas leakage。The free end 31 of screw shaft is exposed at the outside of the first sealing device 21 and is connected with the inner ring 411 of free end bearing 41, the power end 32 of screw shaft is exposed at the outside of the second sealing device 22 and is connected with the inner ring 421 of fixing end bearing 42, fixing end bearing 42 and free end bearing 41 are respectively arranged in fixing end bearing block 51 and free end shaft bearing 52, and fixing end bearing block 51 and free end shaft bearing 52 are respectively arranged on the two ends of casing 1。Being provided with helicla flute 33 on screw rod 3, the front portion being positioned at helicla flute 33 in casing 1 is provided with chamber 11, and operationally, air inlet enters helicla flute through this chamber to this single screw compressor。
The screw rod 3 being fixed on screw shaft is meshed with two star-wheels 61, and star-wheel 61 is arranged on star wheel frame 62。As shown in FIG., star wheel frame includes star-wheel support 621 and spider gear shaft 622, and star-wheel support is fixed on spider gear shaft, and star-wheel is fixed on star-wheel support。First end 62a of star wheel frame 62 is arranged on bearing block 1 by bearing 1, and bearing block 1 is fixed in casing 1。Second end 62b of star wheel frame 62 is arranged on bearing block 2 82 by hydrostatic bearing, and specifically, hydrostatic bearing includes stationary ring 91 and rotating ring 92, and the second end 62b of star wheel frame 62 is provided with rotating ring 92, and stationary ring 91 is located in the bearing bore 821 of bearing block 82。
Stationary ring 91 is provided with the first oil input channel 911 and the second oil input channel 912, arc angle between first oil input channel and the second oil input channel is 180o, is provided with first oil groove the one 913, second oil groove the one 914, the 3rd oil groove the one 915, first oil groove the 2 916, second oil groove the 2 917, the 3rd oil groove 2 918 on the inner surface of stationary ring。As shown in FIG., the first oil groove 1 is stretched along the circumference edge of stationary ring, and position adjacent with rotating ring on the first oil groove one is open ports。First oil groove 2 916 is stretched along the circumference edge of stationary ring, and position adjacent with rotating ring on the first oil groove two is open ports。In the present embodiment, first oil groove the one 913, first oil groove 2 916 is symmetrical set, and namely the arc angle between the first oil groove one and the adjacent end of the first oil groove two is equal。On second oil groove the one 914, the 3rd oil groove the one 915, second oil groove 2 917 and the 3rd oil groove 2 918, the position adjacent with rotating ring is open ports, makes injection lubricating oil in the inner overflow and form oil film between stationary ring and rotating ring。Second oil groove the, the 3rd oil groove the one, second oil groove the two and the 3rd oil groove two all axially extending along stationary ring so that it is in a parallel set each other。As shown in FIG., first oil groove one is connected with the first oil input channel, one end of first oil groove one is connected with the second oil groove one, the other end and the 3rd oil groove one of the first oil groove one are connected, first oil groove two is connected with the second oil input channel, one end of first oil groove two is connected with the second oil groove two, and the other end and the 3rd oil groove two of the first oil groove two are connected。Owing to second oil groove the, the 3rd oil groove the one, second oil groove the two and the 3rd oil groove two is in axially extending, make rotating ring have longer length in the axial direction to contact with lubricating oil, so that forming oil film after rotating ring rotates between itself and stationary ring, it is ensured that have reliable lubrication between rotating ring and stationary ring。
Being additionally provided with fuel feed hole 822 on bearing block 2 82, this fuel feed hole is connected with fueller, to inject lubricating oil by fuel feed hole。Fuel feed hole 822 is connected with the first oil input channel 911 and the second oil input channel 912, is provided with outage 823 on bearing block 2 82。In the present embodiment, outage 822 is positioned at the lower section of stationary ring 91, and one end of outage 823 is connected with the bearing bore 821 of bearing block two, and the other end of outage 823 is connected with chamber 11。By arranging outage structure, in use, lubricating oil together discharges single screw compressor with compression gas after outage is discharged so that be supplied to the lubricating oil of sliding bearing for can promptly discharge, and be unlikely and accumulate in bearing block two, so that sliding bearing obtains good cooling。Furthermore, outage matches with fuel feed hole, so that for the structure that lubricating oil is outer circulation of sliding bearing lubricating so that carrier wheel will not overheated locking under high-speed rotation。
In the present embodiment, rotating ring 92 is the ceramic layer being sprayed on the second end of star wheel frame。Stationary ring adopts graphite material to make。
In the present embodiment, the arc angle α 1 between the first oil duct 911 and the second oil groove 1 is 30o。Arc angle α 2 between first oil duct 911 and the 3rd oil groove 1 is 60o。Arc angle α 3 between second oil duct 912 and the second oil groove 2 917 is 30o。Arc angle α 4 between second oil duct 912 and the 3rd oil groove 2 918 is 60o。Arc angle α 5 between second oil groove 1 and the 3rd oil groove 2 918 is 90o。Arc angle between 3rd oil groove 1 and the second oil groove 2 917 is 90o。Adopt this structure so that the second end of star wheel frame can be set up oil film before rotation and also can be always ensured that and stationary ring coaxial line。
Above-described embodiment is only preferred embodiment of the present utility model, not limits protection domain of the present utility model according to this, therefore: all equivalence changes done according to structure of the present utility model, shape, principle, all should be covered by within protection domain of the present utility model。
Claims (9)
1. a single screw compressor with proper lubrication, including casing, screw rod is arranged in casing by the first sealing device and the second sealing device, and the free end of screw shaft is exposed at the outside of the first sealing device and is connected with the inner ring of free end bearing, the power end of screw shaft is exposed at the outside of the second sealing device and is connected with the inner ring of fixing end bearing, fixing end bearing and free end bearing are respectively arranged in fixing end bearing block and free end shaft bearing, fixing end bearing block and free end shaft bearing are respectively arranged on the two ends of casing, screw rod is provided with helicla flute, in casing, it is positioned at spiral fluted front portion is provided with chamber, screw rod and two star-wheels are meshed, star-wheel is arranged on star wheel frame, first end of star wheel frame is arranged on bearing block one by bearing one, bearing block one is fixed in casing, it is characterized in that: the second end of star wheel frame is provided with rotating ring, stationary ring is located in the bearing bore of bearing block two, rotating ring and stationary ring composition hydrostatic bearing, stationary ring is provided with the first oil input channel and the second oil input channel, arc angle between first oil input channel and the second oil input channel is 180o, the inner surface of stationary ring is provided with the first oil groove one, second oil groove one, 3rd oil groove one, first oil groove two, second oil groove the two and the 3rd oil groove two, first oil groove one is connected with the first oil input channel, and the first oil groove one is stretched along the circumference edge of stationary ring, one end of first oil groove one is connected with the second oil groove one, the other end and the 3rd oil groove one of the first oil groove one are connected, and axially extending along stationary ring of the second oil groove the one and the 3rd oil groove one, first oil groove two is connected with the second oil input channel, and circumferentially extending along stationary ring of the first oil groove two, one end of first oil groove two is connected with the second oil groove two, the other end and the 3rd oil groove two of the first oil groove two are connected, and axially extending along stationary ring of the second oil groove the two and the 3rd oil groove two, bearing block two is additionally provided with fuel feed hole, fuel feed hole is connected with the first oil input channel and the second oil input channel, bearing block two is provided with outage。
2. the single screw compressor with proper lubrication according to claim 1, it is characterised in that: rotating ring is the ceramic layer being sprayed on the second end of star wheel frame。
3. the single screw compressor with proper lubrication according to claim 1, it is characterised in that: the arc angle between the first oil duct and the second oil groove one is 30o。
4. the single screw compressor with proper lubrication according to claim 1, it is characterised in that: the arc angle between the first oil duct and the 3rd oil groove one is 60o。
5. the single screw compressor with proper lubrication according to claim 1, it is characterised in that: the arc angle between the second oil duct and the second oil groove two is 30o。
6. the single screw compressor with proper lubrication according to claim 1, it is characterised in that: the arc angle between the second oil duct and the 3rd oil groove two is 60o。
7. the single screw compressor with proper lubrication according to claim 1, it is characterised in that: the arc angle between the second oil groove the one and the 3rd oil groove two is 90o。
8. the single screw compressor with proper lubrication according to claim 1, it is characterised in that: stationary ring adopts graphite material to make。
9. the single screw compressor with proper lubrication according to claim 1, it is characterised in that: outage is positioned at the lower section of stationary ring, and one end of outage is connected with the bearing bore of bearing block two, and the other end of outage is connected with chamber。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521135106.9U CN205330988U (en) | 2015-12-30 | 2015-12-30 | Single screw compressor with proper lubrication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521135106.9U CN205330988U (en) | 2015-12-30 | 2015-12-30 | Single screw compressor with proper lubrication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205330988U true CN205330988U (en) | 2016-06-22 |
Family
ID=56312904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521135106.9U Expired - Fee Related CN205330988U (en) | 2015-12-30 | 2015-12-30 | Single screw compressor with proper lubrication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205330988U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105526172A (en) * | 2015-12-30 | 2016-04-27 | 好米动力设备有限公司 | Single-screw compressor with reliable lubrication |
-
2015
- 2015-12-30 CN CN201521135106.9U patent/CN205330988U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105526172A (en) * | 2015-12-30 | 2016-04-27 | 好米动力设备有限公司 | Single-screw compressor with reliable lubrication |
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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: 20160622 Termination date: 20171230 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |