CN202867275U - High speed hydrodynamic force machine - Google Patents
High speed hydrodynamic force machine Download PDFInfo
- Publication number
- CN202867275U CN202867275U CN 201220588237 CN201220588237U CN202867275U CN 202867275 U CN202867275 U CN 202867275U CN 201220588237 CN201220588237 CN 201220588237 CN 201220588237 U CN201220588237 U CN 201220588237U CN 202867275 U CN202867275 U CN 202867275U
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- CN
- China
- Prior art keywords
- velocity fluid
- dynamic power
- fluid dynamic
- oil circuit
- power machine
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- 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
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Abstract
The utility model provides a high speed hydrodynamic force machine which comprises a box body, a high speed motor shaft which is arranged inside the box body, a motor bearing which is arranged on the high speed motor shaft in a sleeved mode and a bearing support which is arranged between the motor bearing and the box body and simultaneously connected with the box body and the motor bearing. By using the bearing support and fully using the axial length of the high speed shaft, the high speed hydrodynamic force machine solve the problems that a high pressure pot shell limits the position where the motor bearing is placed and critical speed of revolution of a compressor is reduced caused by overlong length of the high speed shaft.
Description
Technical field
The utility model relates to compressor field, especially, relates to a kind of high-velocity fluid dynamic power machine.
Background technique
The front end sliding bearing of centrifugal refigerating compressor motor shaft generally is directly installed on the casing at present, but because the restriction of fuel feeding path, motor bearings can't be arranged in high pressure spiral case institute planar.So just cause compressor inner structure compact not, high speed shaft can't be done short, thereby so that compressor critical speed of rotation is limited in lower level.
The model utility content
The utility model purpose is to provide a kind of high-velocity fluid dynamic power machine, hangs down the art problem of skill with the critical speed of rotation that solves existing compressor.
For achieving the above object, the utility model provides a kind of high-velocity fluid dynamic power machine, comprises casing; The High-speed Electric arbor is arranged in the casing; Motor bearings is set on the High-speed Electric arbor; Bearing spider is arranged on motor bearings and also is connected with motor bearings with casing simultaneously with casing is middle.
Further, bearing spider comprises bearing joint and casing joint, and bearing joint and casing joint are ring, and bearing joint and casing joint be not in same plane, and the bearing joint is connected by diagonal bar with the casing joint.
Further, diagonal bar has many, forms through hole between the diagonal bar.
Further, bearing spider inside is provided with the oil circuit for lubricating oil flow.
Further, the high-velocity fluid dynamic power machine also comprises fuel tank, and the filler opening of oil circuit is positioned at bearing spider on the end face of fuel tank one side.
Further, oil circuit comprises axial oil circuit and oil circuit radially, and radially the first end of oil circuit is connected with filler opening, and radially the second end of oil circuit is communicated with the axial first end of oil circuit, and the second end of axial oil circuit is connected with the lubricating oil inlet of motor bearings.
Further, bearing spider inside is provided be used to preventing that lubricant oil from entering the sealing gland path of electric device.
Further, the high-velocity fluid dynamic power machine also comprises the high pressure spiral case, is provided with the gas circuit that is communicated with the high pressure spiral case in the casing, and bearing spider is provided with suction port, and suction port is communicated with gas circuit.
Further, be arranged with the oil resistance sealing on the High-speed Electric arbor, be provided with the relief opening of sealing gland path at bearing spider towards the oil-tightening end face of resistance.
Further, high-velocity fluid motivation machinery is centrifugal compressor.
The utlity model has following beneficial effect:
The utility model is intended solving the high pressure spiral case to the restriction of motor bearings placement location by using bearing spider, and the axial length of high speed shaft is fully utilized, and has solved the problem that causes compressor critical speed of rotation to descend because high speed shaft length is long.
Except purpose described above, feature and advantage, the utility model also has other purpose, feature and advantage.The below is described in further detail the utility model with reference to figure.
Description of drawings
The accompanying drawing that consists of the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the schematic diagram according to the bearing spider of high-velocity fluid dynamic power machine of the present utility model;
Fig. 2 is the partial schematic sectional view according to the oil circuit of the bearing spider of high-velocity fluid dynamic power machine of the present utility model;
Fig. 3 is the partial schematic sectional view according to the gas circuit of the bearing spider of high-velocity fluid dynamic power machine of the present utility model;
Fig. 4 is the oil circuit schematic diagram according to high-velocity fluid dynamic power machine of the present utility model; And
Fig. 5 is the gas circuit schematic diagram according to high-velocity fluid dynamic power machine of the present utility model.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
Referring to Fig. 1 to Fig. 5, according to high-velocity fluid dynamic power machine of the present utility model, comprise casing 10; High-speed Electric arbor 20 is arranged in the casing 10; Motor bearings 30 is set on the High-speed Electric arbor 20; Bearing spider 40 is arranged on motor bearings 30 and is connected with motor bearings 30 with casing 10 with the 10 middle also whiles of casing.
Referring to Fig. 1 to Fig. 3, bearing spider 40 comprises bearing joint 41 and casing joint 42, bearing joint 41 and casing joint 42 are ring, and bearing joint 41 and casing joint 42 be not in same plane, and bearing joint 41 and casing joint 42 are connected by diagonal bar.Diagonal bar has many, forms through hole 43 between the diagonal bar.
Referring to 2 and Fig. 4, bearing spider 40 inside are provided with the oil circuit 44 for lubricating oil flow.The high-velocity fluid dynamic power machine also comprises fuel tank 70, and the filler opening of oil circuit 44 is positioned at bearing spider 40 on the end face of fuel tank 70 1 sides.Oil circuit 44 comprises axial oil circuit 441 and oil circuit 442 radially, and radially the first end of oil circuit 442 is connected with filler opening, and filler opening is connected with fuel tank by tank oiling channel oil 80; Radially the second end of oil circuit 442 is communicated with the first end of axial oil circuit 441, and axially the second end of oil circuit 441 is connected with the lubricating oil inlet of motor bearings 30.
Referring to Fig. 3, bearing spider 40 inside are provided be used to preventing that lubricant oil from entering the sealing gland path 45 of electric device.The high-velocity fluid dynamic power machine also comprises high pressure spiral case 50, is provided with the gas circuit 90 that is communicated with high pressure spiral case 50 in the casing 10, and bearing spider 40 is provided with suction port, and suction port is communicated with gas circuit 90.Be arranged with oil resistance sealing 100 on the High-speed Electric arbor 20, be provided with the relief opening of sealing gland path 45 at bearing spider 40 towards the end face of oil resistance sealing 100.
Preferably, high-velocity fluid motivation machinery is centrifugal compressor.
When fixed electrical machinery bearing 30, used bearing spider 40, but not be directly fixed on the casing 10.By the transition of bearing spider 40, motor bearings 30 can be arranged in the plane at high pressure spiral case 50 places, has avoided because the drawback that the restriction of oil circuit Machinability Evaluation makes plane, high pressure spiral case 50 place can not arrange bearing.These bearing spider 40 inside are provided with oil circuit 44 and sealing gland path 45, lubricant oil flows into bearing spider 40 ear end faces from fuel tank 70 and enters bearing spider 40 again on the one hand, pass through again oil circuit 44 radial flows to motor bearings 30, can for motor bearings 30 provides lubricated, reclaim by oil return space 110 again; On the other hand, draw pressurized gas at high pressure spiral case 50 through gas circuit 90 and enter the motor oil resistance and seal 100 stage casings, can guarantee that lubricant oil can not enter electric part by motor oil resistance sealing 100.The through hole 43 that five hollow outs are arranged on the bearing spider 40 has guaranteed the draining speed of bearing, avoids lubricant oil to soak oil resistance sealing 60, motor oil resistance sealing 100 causes oil leak; The lubricant oil that while through hole 43 releases motor bearings 30 rear and front ends is communicated with, and centralized recovery has been simplified the return line design; Also as lightening hole, alleviate the weight of bearing spider simultaneously.
As can be seen from the above description, the utility model the above embodiments have realized following technique effect:
The utility model is intended solving the high pressure spiral case to the restriction of motor bearings placement location by using bearing spider, and the axial length of high speed shaft is fully utilized, and has solved the problem that causes compressor critical speed of rotation to descend because high speed shaft length is long.The utility model uses independently bearing spider, realizes simultaneously a plurality of functions such as motor bearings is fixed, bearing fuel feeding path, oil resistance sealing sealing gland path, oil return space, bearing rear and front end.The position of motor bearings is freer, and compressor inner structure is compacter, shortens the length of high speed shaft, thereby improves compressor critical speed of rotation.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. a high-velocity fluid dynamic power machine is characterized in that, comprising:
Casing (10);
High-speed Electric arbor (20) is arranged in the described casing (10);
Motor bearings (30) is set on the described High-speed Electric arbor (20);
Bearing spider (40) is arranged on described motor bearings (30) and also is connected with described motor bearings (30) with described casing (10) simultaneously with described casing (10) is middle.
2. high-velocity fluid dynamic power machine according to claim 1, it is characterized in that, described bearing spider (40) comprises bearing joint (41) and casing joint (42), described bearing joint (41) and described casing joint (42) are ring, described bearing joint (41) and described casing joint (42) be not in same plane, and described bearing joint (41) is connected by diagonal bar with described casing joint (42).
3. high-velocity fluid dynamic power machine according to claim 2 is characterized in that, described diagonal bar has many, forms through hole (43) between the described diagonal bar.
4. according to claim 1 to 3 each described high-velocity fluid dynamic power machines, it is characterized in that, described bearing spider (40) inside is provided with the oil circuit (44) for lubricating oil flow.
5. high-velocity fluid dynamic power machine according to claim 4, it is characterized in that, described high-velocity fluid dynamic power machine also comprises fuel tank (70), and the filler opening of described oil circuit (44) is positioned at described bearing spider (40) on the end face of described fuel tank (70) one sides.
6. high-velocity fluid dynamic power machine according to claim 5, it is characterized in that, described oil circuit (44) comprises axial oil circuit (441) and oil circuit (442) radially, the first end of described radially oil circuit (442) is connected with described filler opening, the second end of described radially oil circuit (442) is communicated with the first end of described axial oil circuit (441), and the second end of described axial oil circuit (441) is connected with the lubricating oil inlet of described motor bearings (30).
7. according to claim 1 to 3 each described high-velocity fluid dynamic power machines, it is characterized in that, described bearing spider (40) inside is provided be used to preventing that lubricant oil from entering the sealing gland path (45) of electric device.
8. high-velocity fluid dynamic power machine according to claim 7, it is characterized in that, described high-velocity fluid dynamic power machine also comprises high pressure spiral case (50), be provided with the gas circuit (90) that is communicated with described high pressure spiral case (50) in the described casing (10), described bearing spider (40) is provided with suction port, and described suction port is communicated with described gas circuit (90).
9. high-velocity fluid dynamic power machine according to claim 7, it is characterized in that, be arranged with oil resistance sealing (100) on the described High-speed Electric arbor (20), the end face that seals (100) towards described oil resistance at described bearing spider (40) is provided with the relief opening of described sealing gland path (45).
10. according to claim 1 to 3 each described high-velocity fluid dynamic power machines, it is characterized in that, described high-velocity fluid motivation machinery is centrifugal compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220588237 CN202867275U (en) | 2012-11-08 | 2012-11-08 | High speed hydrodynamic force machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220588237 CN202867275U (en) | 2012-11-08 | 2012-11-08 | High speed hydrodynamic force machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202867275U true CN202867275U (en) | 2013-04-10 |
Family
ID=48033998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220588237 Expired - Lifetime CN202867275U (en) | 2012-11-08 | 2012-11-08 | High speed hydrodynamic force machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202867275U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103807186A (en) * | 2012-11-08 | 2014-05-21 | 珠海格力电器股份有限公司 | High speed fluid power machine |
-
2012
- 2012-11-08 CN CN 201220588237 patent/CN202867275U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103807186A (en) * | 2012-11-08 | 2014-05-21 | 珠海格力电器股份有限公司 | High speed fluid power machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130410 |
|
| CX01 | Expiry of patent term |