CN210178428U - Steam turbine thrust bearing - Google Patents
Steam turbine thrust bearing Download PDFInfo
- Publication number
- CN210178428U CN210178428U CN201921205031.5U CN201921205031U CN210178428U CN 210178428 U CN210178428 U CN 210178428U CN 201921205031 U CN201921205031 U CN 201921205031U CN 210178428 U CN210178428 U CN 210178428U
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- CN
- China
- Prior art keywords
- thrust bearing
- pressing
- connecting rod
- outside
- depression bar
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- Expired - Fee Related
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Abstract
The utility model discloses a steam turbine thrust bearing, include outer lasso, spacing groove and support the depression bar, the inside of outer lasso is provided with the card frame, and the outside block of card frame has the roll steel ball, the spacing groove is seted up in the outside of outer lasso, and the outside of spacing groove is connected with the connecting rod, the outside of roll steel ball is connected with the inner race, and the upper surface of inner race has seted up the locating hole, support the outside of depression bar through connection at the inner race, and support the outside of depression bar and be connected with and support the preforming, the threaded hole has been seted up to the upper surface of connecting rod, the bottom of supporting the depression bar is connected with expanding spring, and the upper surface that supports the depression bar has the slider, one side of slider is provided with the slide rail, support the upper surface of preforming and seted up. This steam turbine thrust bearing adopts to support depression bar and slide rail, is convenient for carry on the diameter of rotation axis and adjusts the distance between the low pressure pole to slide in the outside of slide rail through the low pressure pole, increase the stability that the low pressure pole removed.
Description
Technical Field
The utility model relates to a thrust bearing technical field specifically is a steam turbine thrust bearing.
Background
The turbine is also called as steam turbine engine, it is a rotary steam power device, the high-temperature high-pressure steam passes through the fixed nozzle and becomes the accelerated air current, then sprays to the blade, the turbine thrust bearing can bear the radial load, it is used for fixing the shaft.
At present, the steam turbine thrust bearing is difficult to adjust the fixed size according to the diameter of the rotary rod in the fixing process, and in the using process, the bearing is difficult to be connected with other steam turbine equipment through the bearing due to the fact that the surface of the bearing is too smooth in the rotating process.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a steam turbine thrust bearing to the steam turbine thrust bearing who proposes in solving above-mentioned background art is difficult to adjust fixed size according to the diameter of revolving bar at fixed in-process, because the surface of bearing is too smooth, is difficult to carry out the problem of being connected through bearing and other steam turbine equipment.
In order to achieve the purpose, the utility model provides a steam turbine thrust bearing, including outer lasso, spacing groove and support pressure pole, the inside of outer lasso is provided with the card frame, and the outside block of card frame has the roll steel ball, the spacing groove is seted up in the outside of outer lasso, and the outside of spacing groove is connected with the connecting rod, the outside of roll steel ball is connected with the inner race, and the upper surface of inner race has seted up the locating hole, support pressure pole through connection in the outside of inner race, and support the outside of pressure pole and be connected with and support the preforming, the screw hole has been seted up to the upper surface of connecting rod, the bottom that supports the pressure pole is connected with expanding spring, and supports the upper surface of pressure pole and be connected with the slider, one side of slider is provided with the slide rail, support the upper surface of preforming and seted up rough groove, and be provided with the.
Preferably, the limiting groove is annularly distributed on the outer side of the outer sleeve ring, the width of the limiting groove is smaller than that of the outer sleeve ring, and the limiting groove and the connecting rod form a clamping structure.
Preferably, the top of the connecting rod is of a semicircular structure, and the connecting rod and the pressing rod are distributed in a staggered mode.
Preferably, the outer sides of the inner ring and the pressing rod are provided with positioning holes, the pressing rod and the pressing sheet are welded into a whole, and the width of the pressing sheet is half of that of the inner ring.
Preferably, the pressing piece and the pressing rod form a telescopic structure through a telescopic spring, a sliding rail and a sliding block, and the pressing rod and the sliding rail are parallel to each other.
Preferably, the rough grooves and the bumps are symmetrically distributed about the center line of the pressing sheets, the longitudinal sections of the rough grooves are of a V-shaped structure, and the pressing sheets are arranged in four groups.
Compared with the prior art, the beneficial effects of the utility model are that: the steam turbine thrust bearing is characterized in that a thrust bearing is arranged on the steam turbine,
1. the pressing rods and the sliding rails are adopted, so that the diameter of the rotating shafts can be conveniently adjusted, the distance between the low-pressure rods can be conveniently adjusted, the low-pressure rods can slide on the outer sides of the sliding rails, the moving stability of the low-pressure rods is improved, and the convenience for fixing the rotating shafts with different diameters is improved;
2. the limiting groove and the connecting rod are adopted, the bottom of the connecting rod is clamped through the limiting groove, the convenience of daily fixing and dismounting of the connecting rod is improved, the convenience of connecting the bearing with other steam turbine equipment is improved through the connecting rod, the steam turbine equipment is fixed through the multiple groups of connecting rods, and the running stability of the equipment is ensured;
3. adopt coarse groove and screw hole, carry on spacing fixedly to the pole that supports after sliding through the screw hole, ensure to support the pole to the fixed stability of rotation axis to increase the frictional force that supports the preforming surface through coarse groove, ensure the intensity that equipment is connected.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic view of the inner structure of the inner race of the present invention;
fig. 4 is a side view of the pressing sheet of the present invention.
In the figure: 1. an outer ferrule; 2. rolling the steel ball; 3. a limiting groove; 4. a connecting rod; 5. an inner race; 6. positioning holes; 7. a pressing rod; 8. pressing the sheet; 9. a threaded hole; 10. a tension spring; 11. a slide rail; 12. a slider; 13. a rough groove; 14. a bump; 15. and (5) clamping the frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a steam turbine thrust bearing comprises an outer ferrule 1, rolling steel balls 2, a limiting groove 3, a connecting rod 4, an inner ferrule 5, a positioning hole 6, a pressing rod 7, a pressing sheet 8, a threaded hole 9, a telescopic spring 10, a slide rail 11, a slide block 12, a rough groove 13, a convex block 14 and a clamping frame 15, wherein the clamping frame 15 is arranged inside the outer ferrule 1, the rolling steel balls 2 are clamped outside the clamping frame 15, the limiting groove 3 is arranged outside the outer ferrule 1, the connecting rod 4 is connected outside the limiting groove 3, the inner ferrule 5 is connected outside the rolling steel balls 2, the positioning hole 6 is arranged on the upper surface of the inner ferrule 5, the pressing rod 7 is connected outside the inner ferrule 5 in a penetrating manner, the pressing sheet 8 is connected outside the pressing rod 7, the threaded hole 9 is arranged on the upper surface of the connecting rod 4, the telescopic spring 10 is connected to the bottom of the pressing rod 7, and the slide block 12 is connected to the upper surface of the pressing rod 7, one side of the sliding block 12 is provided with a sliding rail 11, the upper surface of the pressing sheet 8 is provided with rough grooves 13, and convex blocks 14 are arranged between the rough grooves 13.
The top of connecting rod 4 is semi-circular structure, and connecting rod 4 with support and press pole 7 to be crisscross distribution, drive rotation axis and other equipment respectively through connecting rod 4 and support and press pole 7 and be connected, ensure the stability of bearing operation in-process.
Locating hole 6 has all been seted up with the outside that supports the pressure pole 7 to inner race 5, and support the pressure pole 7 and support the welding of preforming 8 as an organic whole to the width that supports preforming 8 is half the width of inner race 5, fixes the outside of rotation axis through supporting depression bar 7 and supporting preforming 8, ensures the fixed stability of rotation axis.
Support the preforming 8 and support and press pole 7 to constitute extending structure through expanding spring 10, slide rail 11 and slider 12, and support and press pole 7 and slide rail 11 to be parallel to each other, be convenient for adjust the distance that supports between the preforming 8 according to the diameter of connecting rod 4, promote the stability fixed to different diameter connecting rods 4.
The rough grooves 13 and the bumps 14 are symmetrically distributed about the central line of the pressing sheet 8, the longitudinal sections of the rough grooves 13 are of a V-shaped structure, the pressing sheets 8 are arranged in four groups, friction force on the surface of the pressing sheet 8 is increased through the rough grooves 13 and the bumps 14, and the running stability of the bearing is improved.
The working principle is as follows: when the steam turbine thrust bearing is used, as shown in fig. 1 to 4, an operator inserts a rotating shaft between the pressing pieces 8, the pressing pieces 8 are attached to the rotating shaft through rough grooves 13 and bumps 14 on the outer sides, the pressing pieces 8 move inwards under the extrusion of the rotating shaft, the pressing pieces 8 move towards the inner ring 5 through the pressing rods 7 on the outer sides, the telescopic springs 10 correspondingly stretch according to the moving distance of the pressing rods 7, slide on the outer sides of the sliding rails 11 through the sliding blocks 12 on the outer sides of the pressing rods 7, and then insert bolts into the positioning holes 6 to complete the limiting and fixing of the pressing rods 7;
according to fig. 1, fig. 2 and fig. 3 show, insert the inside of spacing groove 3 with connecting rod 4 afterwards, and accomplish outer lasso 1 and connecting rod 4 and be connected fixedly, be connected the screw hole 9 in the connecting rod 4 outside with the equipment in the steam turbine outside again, the rotary rod drives card frame 15 through inner lasso 5 and rotates, thereby it rotates to drive a plurality of rolling steel ball 2, through outer lasso 1, inner lasso 5 docks rolling steel ball 2, it is more steady to make rolling steel ball 2 when rolling, support the depression bar 7 and support the piece 8 and be connected fixedly to the rotation axis, ensure the stability in the use.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a steam turbine thrust bearing, includes outer ferrule (1), spacing groove (3) and supports depression bar (7), its characterized in that: a clamping frame (15) is arranged inside the outer sleeve (1), a rolling steel ball (2) is clamped on the outer side of the clamping frame (15), a limiting groove (3) is formed in the outer side of the outer sleeve (1), a connecting rod (4) is connected to the outer side of the limiting groove (3), an inner sleeve ring (5) is connected to the outer side of the rolling steel ball (2), a positioning hole (6) is formed in the upper surface of the inner sleeve ring (5), a pressing rod (7) is connected to the outer side of the inner sleeve ring (5) in a penetrating mode, a pressing piece (8) is connected to the outer side of the pressing rod (7), a threaded hole (9) is formed in the upper surface of the connecting rod (4), an expansion spring (10) is connected to the bottom of the pressing rod (7), a sliding block (12) is connected to the upper surface of the pressing rod (7), a sliding rail (11) is arranged on one side of the sliding block (12), a rough groove, and bumps (14) are arranged between the rough grooves (13).
2. The turbine thrust bearing of claim 1, wherein: the limiting groove (3) is annularly distributed on the outer side of the outer sleeve ring (1), the width of the limiting groove (3) is smaller than that of the outer sleeve ring (1), and the limiting groove (3) and the connecting rod (4) form a clamping structure.
3. The turbine thrust bearing of claim 1, wherein: the top of the connecting rod (4) is of a semicircular structure, and the connecting rod (4) and the pressing rod (7) are distributed in a staggered mode.
4. The turbine thrust bearing of claim 1, wherein: locating hole (6) have all been seted up with the outside of propping depression bar (7) in inner race (5), and prop depression bar (7) and prop preforming (8) welding as an organic whole to the width that props preforming (8) is half the width of inner race (5).
5. The turbine thrust bearing of claim 1, wherein: the pressing piece (8) and the pressing rod (7) form a telescopic structure through a telescopic spring (10), a sliding rail (11) and a sliding block (12), and the pressing rod (7) is parallel to the sliding rail (11).
6. The turbine thrust bearing of claim 1, wherein: the rough grooves (13) and the bumps (14) are symmetrically distributed about the center line of the pressing sheets (8), the longitudinal sections of the rough grooves (13) are of V-shaped structures, and the number of the pressing sheets (8) is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921205031.5U CN210178428U (en) | 2019-07-29 | 2019-07-29 | Steam turbine thrust bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921205031.5U CN210178428U (en) | 2019-07-29 | 2019-07-29 | Steam turbine thrust bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210178428U true CN210178428U (en) | 2020-03-24 |
Family
ID=69842110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921205031.5U Expired - Fee Related CN210178428U (en) | 2019-07-29 | 2019-07-29 | Steam turbine thrust bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210178428U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112360872A (en) * | 2020-11-24 | 2021-02-12 | 许建新 | Low-temperature cryogenic ball bearing of liquid nitrogen pump |
| CN112360875A (en) * | 2020-12-03 | 2021-02-12 | 东风本田发动机有限公司 | Rotating device and bearing |
| CN112460138A (en) * | 2021-01-20 | 2021-03-09 | 王小君 | Multi-aperture positioning bearing |
| CN112460139A (en) * | 2021-01-20 | 2021-03-09 | 王小君 | Multi-aperture positioning bearing |
| CN112503086A (en) * | 2021-01-20 | 2021-03-16 | 王小君 | Bearing with adjustable shaft hole diameter |
-
2019
- 2019-07-29 CN CN201921205031.5U patent/CN210178428U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112360872A (en) * | 2020-11-24 | 2021-02-12 | 许建新 | Low-temperature cryogenic ball bearing of liquid nitrogen pump |
| CN112360875A (en) * | 2020-12-03 | 2021-02-12 | 东风本田发动机有限公司 | Rotating device and bearing |
| CN112460138A (en) * | 2021-01-20 | 2021-03-09 | 王小君 | Multi-aperture positioning bearing |
| CN112460139A (en) * | 2021-01-20 | 2021-03-09 | 王小君 | Multi-aperture positioning bearing |
| CN112503086A (en) * | 2021-01-20 | 2021-03-16 | 王小君 | Bearing with adjustable shaft hole diameter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200324 Termination date: 20210729 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |