CN208702689U - A kind of helical-lobe compressor and its bearing arrangement - Google Patents
A kind of helical-lobe compressor and its bearing arrangement Download PDFInfo
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- CN208702689U CN208702689U CN201821451518.7U CN201821451518U CN208702689U CN 208702689 U CN208702689 U CN 208702689U CN 201821451518 U CN201821451518 U CN 201821451518U CN 208702689 U CN208702689 U CN 208702689U
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- bearing
- angular contact
- tapered roller
- outer ring
- rotor
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Abstract
The utility model discloses a kind of bearing arrangements, comprising: tapered roller bearing, the tapered roller bearing are arranged close to the inner sidewall of casing, and the outer ring of the tapered roller bearing is stopped by the inner sidewall；The angular contact bearing of side of the tapered roller bearing far from the inner sidewall is set；The spring of side of the angular contact bearing far from the tapered roller bearing is set, and the spring compresses the outer ring of the angular contact bearing to the direction of the inner sidewall；The bearing (ball) cover that can be connected on the casing, the outer ring that the bearing (ball) cover passes through angular contact bearing described in the spring compression；For connecting the inner ring of the angular contact bearing and the pressing plate of rotor.Tapered roller bearing and angular contact bearing in the utility model are arranged side by side, and are respectively used to undertake the radial force of rotor and axial force.Bearing arrangement structure provided by the utility model is simple, and can ensure the stable operation of rotor.The invention also discloses a kind of helical-lobe compressors.
Description
Technical field
The utility model relates to helical-lobe compressor fields, fill more specifically to a kind of helical-lobe compressor and its bearing
It sets.
Background technique
Helical-lobe compressor includes male rotor and female rotor.The connection of the front end of driving device and male rotor, drives male rotor to turn
It is dynamic.Male rotor is meshed with female rotor, and male rotor drives female rotor rotation.The rear end of male rotor and female rotor is provided with bearing
Device.Bearing arrangement is used to support male rotor, and perhaps female rotor bears the axial force and radial force of male rotor or female rotor.It is existing
Some bearing arrangements are composed of multiple bearings such as roller bearing, four-point contact ball, angular contact bearing, and structure is complicated,
It is at high cost, and stability is poor.
Therefore, a kind of bearing arrangement how is designed, it is art technology that the bearing arrangement structure is simple, and runs smoothly
Personnel's critical problem urgently to be resolved.
Utility model content
The purpose of the utility model is to provide a kind of bearing arrangements, and the bearing arrangement structure is simple, and runs smoothly.
A kind of bearing arrangement, comprising:
Tapered roller bearing, the tapered roller bearing are arranged close to the inner sidewall of casing, the tapered roller bearing
Outer ring is stopped by the inner sidewall；
The angular contact bearing of side of the tapered roller bearing far from the inner sidewall is set；
The spring of side of the angular contact bearing far from the tapered roller bearing is set, and the spring is to described interior
The direction of side wall compresses the outer ring of the angular contact bearing；
The bearing (ball) cover that can be connected on the casing, the bearing (ball) cover pass through angular contact described in the spring compression
The outer ring of bearing；
For connecting the inner ring of the angular contact bearing and the pressing plate of rotor.
It preferably, further include adjustment gasket, the adjustment gasket is located at the inner ring and rotor of the tapered roller bearing
Between main body.
Preferably, spacer is provided between the outer ring of the tapered roller bearing and the outer ring of the angular contact bearing.
It preferably, further include pressing sleeve, the pressing sleeve acts on the outer ring of the angular contact bearing, and the spring passes through institute
State the outer ring that pressing sleeve squeezes the angular contact bearing.
Preferably, the spring is disk spring.
Preferably, the mounting groove for installing the disk spring is provided on the pressing sleeve.
Preferably, outage is provided on the pressing sleeve.
Preferably, the pressing plate is connect by soket head cap screw with the rotor.
Preferably, the soket head cap screw is evenly arranged multiple for the end face along the pressing plate.
The invention also discloses a kind of helical-lobe compressor, including male rotor and female rotor, the male rotor and/or yin
The rear end of rotor is provided with bearing arrangement, and the bearing arrangement is any one of the above bearing arrangement.
It can be seen from the above technical proposal that the bearing arrangement in the utility model includes tapered roller bearing, angular contact
Bearing, spring and bearing (ball) cover.Tapered roller bearing and angular contact bearing are arranged side by side, and are respectively used to undertake the radial direction of rotor
Power and axial force.The outer ring of the outer ring of tapered roller bearing and angular contact bearing is pressed on casing by spring by bearing (ball) cover
On inner sidewall, it is ensured that two outer rings are fixed.Pressing plate is used to connect the inner ring and rotor of angular contact bearing, it is ensured that rotor and interior
Circle rotates synchronously.Bearing arrangement structure provided by the utility model is simple, and can ensure the stable operation of rotor.
Detailed description of the invention
In order to illustrate more clearly of the scheme in the utility model embodiment, below will in embodiment describe required for make
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention,
For those skilled in the art, without creative efforts, other be can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the structural schematic diagram for the bearing arrangement that one specific embodiment of the utility model provides；
Fig. 2 is the structural schematic diagram for the helical-lobe compressor that one specific embodiment of the utility model provides.
Wherein, 1 be tapered roller bearing, 2 be angular contact bearing, 3 be disk spring, 4 be pressing plate, 5 be pressing sleeve, 6 be in
Hex screw, 7 be adjustment gasket, 8 be bearing (ball) cover, 9 be inner sidewall, 10 be casing, 11 be male rotor, 12 be female rotor, 13
It is outage for spacer, 14.
Specific embodiment
The utility model discloses a kind of bearing arrangements, and the bearing arrangement structure is simple, and runs smoothly.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are in the premise for not making creative work
Under all other embodiment obtained, fall within the protection scope of the utility model.
In a specific embodiment of the present invention, bearing arrangement includes tapered roller bearing 1, angular contact bearing 2, spring
And bearing (ball) cover 8.Wherein, tapered roller bearing 1 is arranged close to the inner sidewall 9 of casing 10.The outer ring quilt of tapered roller bearing 1
Inner sidewall 9 stops, and tapered roller bearing 1 can not inwardly 9 side of side wall movement.The setting of angular contact bearing 2 is remote in tapered roller bearing 1
Side from inner sidewall 9, angular contact bearing 2 and angular contact bearing 2 are distributed in the two sides of tapered roller bearing 1 in other words.Spring
Side of the angular contact bearing 2 far from tapered roller bearing 1 is set, and spring and tapered roller bearing 1 are distributed in corner connection in other words
The two sides of contact bearing 2.Spring acts on the outer ring of angular contact bearing 2.The direction of inside side wall 9 compresses angular contact bearing 2
Outer ring.Bearing (ball) cover 8 can be connected on casing 10.After bearing (ball) cover 8 is installed in place, bearing (ball) cover 8 squeezes spring, spring
Squeeze the outer ring of angular contact bearing 2, i.e., bearing (ball) cover 8 is by spring by the outer ring of angular contact bearing 2 and tapered roller bearing 1
Outer ring is extruded on inner sidewall 9.Pressing plate 4 is used to connect the inner ring and rotor of angular contact bearing 2.
Tapered roller bearing 1 and angular contact bearing 2 in the present embodiment are arranged side by side, and are respectively used to undertake the radial direction of rotor
Power and axial force.The outer ring of the outer ring of tapered roller bearing 1 and angular contact bearing 2 is pressed on machine by spring by bearing (ball) cover 8
On the inner sidewall 9 of shell 10, it is ensured that two outer rings are fixed.Pressing plate 4 is used to connect the inner ring and rotor of angular contact bearing 2, really
It protects rotor and inner ring rotates synchronously.Bearing arrangement structure provided in this embodiment is simple, and can ensure the stable operation of rotor.
Rotor generally includes main body and axle journal.Axle journal is assemblied in the inner ring of bearing arrangement.Main body is to remove except axle journal
Other parts.In a specific embodiment of the present invention, it is set between the main body of rotor and the inner ring of tapered roller bearing 1
Adjustment gasket 7 has been set, for adjusting the gap between the main body of rotor and casing 10, while having made the inner ring of tapered roller bearing 1
Pretightning force is generated between the main body of rotor, it is ensured that the inner ring of rotor and tapered roller bearing 1 rotates synchronously.In addition, adjusting pad
Piece 7 and pressing plate 4 form two opposite extruding forces to the inner ring of tapered roller bearing 1 and the inner ring of angular contact bearing 2, avoid justifying
The inner ring of taper roller bearing 1 and the inner ring axial float of angular contact bearing 2, to further improve the stability of operation.
In a specific embodiment of the present invention, the outer ring of the outer ring of tapered roller bearing 1 and angular contact bearing 2 it
Between be provided with spacer 13.Spacer 13 is between filling between the outer ring of tapered roller bearing 1 and the outer ring of angular contact bearing 2
Gap, it is ensured that with the transmitting of power between two outer rings, so that it is guaranteed that spring can be by the outer ring of angular contact bearing 2 and taper roller
The outer ring of bearing 1 is pressed on inner sidewall 9.
It is additionally arranged pressing sleeve 5 in a specific embodiment of the present invention.Pressing sleeve 5 acts on the outer ring of angular contact bearing 2.
Spring squeezes the outer ring of angular contact bearing 2 by pressing sleeve 5.Pressing sleeve 5 can ensure the uniform force of the outer ring of angular contact bearing 2
Property.In addition the outer ring of 5 angular contact bearings 2 of pressing sleeve forms protective effect.
It in a specific embodiment of the present invention, is preferably disk spring 3 by spring.Disk spring 3 is in the axial direction
Taper, convenient for acting on the pressing sleeve 5 of annular.For the ease of the installation of disk spring 3, annular can also be set on pressing sleeve 5
Mounting groove, the mounting groove is for installing disk spring 3.In addition, for the ease of by tapered roller bearing 1 and angular contact bearing 2
Interior lubricating oil discharge, can also be arranged outage on pressing sleeve 5.
In a specific embodiment of the present invention, pressing plate 4 is connect by soket head cap screw 6 with rotor.Soket head cap screw 6
Connection it is easy to disassemble, and be connected firmly.The number of soket head cap screw 6 can be to be multiple, and multiple soket head cap screws 6 are along pressing plate
4 end face is evenly arranged, so that it is guaranteed that fastness and stability that pressing plate 4 is connect with rotor.
The invention also discloses a kind of helical-lobe compressor, which includes male rotor 11 and female rotor 12.
The rear end of male rotor 11 and/or female rotor 12 is provided with bearing arrangement, which is any one of the above bearing arrangement,
Above-mentioned bearing arrangement has said effect, and the helical-lobe compressor with above-mentioned bearing arrangement equally has said effect, therefore herein
It repeats no more.
Finally, it is to be noted that, the terms "include", "comprise" or its any other variant be intended to it is non-exclusive
Property include so that include a series of elements process, method, article or equipment not only include those elements, but also
Further include other elements that are not explicitly listed, or further include for this process, method, article or equipment it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including described
There is also other identical elements in the process, method, article or equipment of element.
The above description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (10)
1. a kind of bearing arrangement characterized by comprising
Tapered roller bearing (1), inner sidewall (9) of the tapered roller bearing (1) close to casing (10) are arranged, the circular cone rolling
The outer ring of sub- bearing (1) is stopped by the inner sidewall (9)；
Angular contact bearing (2) in the side of the tapered roller bearing (1) far from the inner sidewall (9) is set；
Spring in the side of the angular contact bearing (2) far from the tapered roller bearing (1) is set, and the spring is to described
The direction of inner sidewall (9) compresses the outer ring of the angular contact bearing (2)；
The bearing (ball) cover (8) that can be connected on the casing (10), the bearing (ball) cover (8) pass through described in the spring compression
The outer ring of angular contact bearing (2)；
For connecting the inner ring of the angular contact bearing (2) and the pressing plate (4) of rotor.
2. bearing arrangement according to claim 1, which is characterized in that further include adjustment gasket (7), the adjustment gasket
(7) between the inner ring of the tapered roller bearing (1) and the main body of rotor.
3. bearing arrangement according to claim 1, which is characterized in that the outer ring of the tapered roller bearing (1) with it is described
Spacer (13) are provided between the outer ring of angular contact bearing (2).
4. bearing arrangement according to claim 1, which is characterized in that further include pressing sleeve (5), the pressing sleeve (5) acts on
On the outer ring of the angular contact bearing (2), the spring squeezes the outer ring of the angular contact bearing (2) by the pressing sleeve (5).
5. bearing arrangement according to claim 4, which is characterized in that the spring is disk spring (3).
6. bearing arrangement according to claim 5, which is characterized in that be provided on the pressing sleeve (5) described for installing
The mounting groove of disk spring (3).
7. bearing arrangement according to claim 4, which is characterized in that be provided with outage (14) on the pressing sleeve (5).
8. bearing arrangement according to claim 1, which is characterized in that the pressing plate (4) passes through soket head cap screw (6) and institute
State rotor connection.
9. bearing arrangement according to claim 8, which is characterized in that the soket head cap screw (6) is along the pressing plate
(4) end face is evenly arranged multiple.
10. a kind of helical-lobe compressor, including male rotor (11) and female rotor (12), which is characterized in that the male rotor (11) and/
Or the rear end of female rotor (12) is provided with bearing arrangement as described in any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821451518.7U CN208702689U (en) | 2018-09-05 | 2018-09-05 | A kind of helical-lobe compressor and its bearing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821451518.7U CN208702689U (en) | 2018-09-05 | 2018-09-05 | A kind of helical-lobe compressor and its bearing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208702689U true CN208702689U (en) | 2019-04-05 |
Family
ID=65946595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821451518.7U Active CN208702689U (en) | 2018-09-05 | 2018-09-05 | A kind of helical-lobe compressor and its bearing arrangement |
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|---|---|
| CN (1) | CN208702689U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108894984A (en) * | 2018-09-05 | 2018-11-27 | 泰田集团有限公司 | Screw compressor and bearing device thereof |
-
2018
- 2018-09-05 CN CN201821451518.7U patent/CN208702689U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108894984A (en) * | 2018-09-05 | 2018-11-27 | 泰田集团有限公司 | Screw compressor and bearing device thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.98, dongtaihe Road, Jiaojiang District, Taizhou City, Zhejiang Province Patentee after: Taitian Group Co.,Ltd. Address before: No.98, dongtaihe Road, Jiaojiang District, Taizhou City, Zhejiang Province Patentee before: TAITIAN GROUP CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder |