CN215861298U - Steam turbine thrust bearing - Google Patents
Steam turbine thrust bearing Download PDFInfo
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- CN215861298U CN215861298U CN202122315134.0U CN202122315134U CN215861298U CN 215861298 U CN215861298 U CN 215861298U CN 202122315134 U CN202122315134 U CN 202122315134U CN 215861298 U CN215861298 U CN 215861298U
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- supporting component
- bearing
- supporting
- inner ring
- component mounting
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Abstract
The utility model discloses a steam turbine thrust bearing, which comprises a bearing outer ring, a bearing inner ring and a retainer arranged between the bearing outer ring and the bearing inner ring; the rolling body is arranged on the retainer, and the inner wall of the bearing inner ring is provided with supporting component mounting grooves at intervals; all install supporting component in the supporting component mounting groove, be provided with first spring in the supporting component mounting groove, and first spring contacts with the bottom of supporting component and supporting component mounting groove, be provided with the locking Assembly corresponding with the supporting component on the bearing inner ring, and be provided with a plurality of locking holes on the supporting component. The rotary rod is fixed through the supporting assembly, the supporting assembly is locked through the locking assembly, the inner diameter of the bearing can be adjusted, the bearing is convenient to use by an operator, cost is saved, and the friction force of the rotary rod is increased by arranging the silica gel pad at the end part of the supporting assembly and arranging the protruding block on the silica gel pad, so that transmission is more stable.
Description
Technical Field
The utility model relates to a thrust bearing, in particular to 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, in the process of fixing the steam turbine thrust bearing, the fixed size is difficult to adjust according to the diameter of a rotary rod, and after the steam turbine thrust bearing is fixed, the phenomenon of slipping may occur due to the smooth surface of an inner ring of the bearing, so that the use is influenced.
Disclosure of Invention
The utility model aims to provide a steam turbine thrust bearing, which solves the problems that the fixed size is difficult to adjust according to the diameter of a rotating rod in the fixing process of the existing steam turbine thrust bearing, and the use is influenced due to the fact that the phenomenon of slipping possibly occurs due to the smooth surface of an inner ring of the bearing after the fixing.
The steam turbine thrust bearing is realized by the following technical scheme: the bearing comprises a bearing outer ring, a bearing inner ring and a retainer arranged between the bearing outer ring and the bearing inner ring;
the retainer is provided with rolling bodies, and the inner wall of the bearing inner ring is provided with supporting component mounting grooves at intervals; all install supporting component in the supporting component mounting groove, be provided with first spring in the supporting component mounting groove, and first spring contacts with the bottom of supporting component and supporting component mounting groove, is provided with the locking Assembly corresponding with the supporting component on the bearing inner ring, and is provided with a plurality of locking holes on the supporting component.
As a preferred technical scheme, the supporting component comprises a supporting rod movable block, a supporting rod and a pressing block, the supporting rod is arranged on the supporting rod movable block, and the pressing block is arranged at the front end of the supporting rod; the first spring is contacted with the movable block of the supporting rod and the bottom of the mounting groove of the supporting component; a plurality of locking holes are arranged on the supporting rod.
As a preferred technical scheme, a spring groove is arranged in a movable block of the supporting rod, two sides of the spring groove are both provided with limiting balls, and a second spring is arranged between the two limiting balls; and a plurality of limiting grooves corresponding to the limiting balls are arranged on two sides of the supporting component mounting groove.
As a preferred technical scheme, the locking assembly is a positioning needle, a plurality of positioning holes are formed in the bearing inner ring, and the positioning needle is arranged in the positioning holes; the positioning needle corresponds to the locking hole of the supporting rod.
As preferred technical scheme, install the silica gel pad on the compact heap, and the silica gel pad is provided with the bulge piece.
The utility model has the beneficial effects that: the rotary rod is fixed through the supporting assembly, the supporting assembly is locked through the locking assembly, the inner diameter of the bearing can be adjusted, the bearing is convenient to use by an operator, cost is saved, and the friction force of the rotary rod is increased by arranging the silica gel pad at the end part of the supporting assembly and arranging the protruding block on the silica gel pad, so that transmission is more stable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic plan view of the present invention;
FIG. 2 is a schematic structural view of a support assembly of the present invention;
FIG. 3 is a schematic view of the structure of the movable block of the support rod of the present invention;
fig. 4 is a schematic structural view of the silica gel pad of the present invention.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
In the description of the present invention, it is to be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
Further, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
The use of terms such as "upper," "above," "lower," "below," and the like in describing relative spatial positions herein is for the purpose of facilitating description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented and the spatially relative descriptors used herein interpreted accordingly.
In the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "sleeved," "connected," "penetrating," "plugged," and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1-4, the turbine thrust bearing of the present invention includes a bearing outer ring 1, a bearing inner ring 2, and a retainer 3 disposed between the bearing outer ring 1 and the bearing inner ring 2;
the retainer 3 is provided with rolling bodies 4, and the inner wall of the bearing inner ring 2 is provided with supporting component mounting grooves 5 at intervals; supporting component 16 is installed in supporting component installation groove 5, first spring 8 is arranged in supporting component installation groove 5, and first spring 8 contacts with supporting component 16 and the bottom of supporting component installation groove 5, a locking component corresponding to supporting component 16 is arranged on bearing inner ring 2, and a plurality of locking holes 10 are arranged on supporting component 16.
In this embodiment, the support assembly includes a support rod movable block 6, a support rod 9 and a pressing block 7, the support rod 9 is installed on the support rod movable block 6, and the pressing block 7 is installed at the front end of the support rod 9; the first spring 8 is contacted with the support rod movable block 6 and the bottom of the support component mounting groove 5; a plurality of locking holes 10 are provided on the support bar 9.
In this embodiment, a spring groove 11 is arranged in the support rod movable block 6, two sides of the spring groove 11 are both provided with a limiting ball 12, and a second spring 13 is arranged between the two limiting balls 12; a plurality of limiting grooves 14 corresponding to the limiting balls 12 are arranged on two sides of the supporting component mounting groove 5, and the positioning effect is achieved.
In this embodiment, the locking component is a positioning pin 15, the bearing inner ring 2 is provided with a plurality of positioning holes, and the positioning pin 15 is arranged in the positioning holes; the positioning pin 15 corresponds to the locking hole 10 of the support rod 9, and the support rod 9 is aligned through the positioning pin 15 and the positioning hole.
In this embodiment, install silica gel pad 17 on the compact heap 7, and be provided with protruding piece 18 on the silica gel pad 17, increase the frictional force to the rotary rod, make the transmission more steady.
The working principle is as follows:
the rotary rod is fixed through the supporting assembly, the supporting assembly is locked through the locking assembly, the inner diameter of the bearing can be adjusted, the bearing is convenient to use by an operator, cost is saved, and the friction force of the rotary rod is increased by arranging the silica gel pad at the end part of the supporting assembly and arranging the protruding block on the silica gel pad, so that transmission is more stable.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (5)
1. A steam turbine thrust bearing is characterized in that: comprises a bearing outer ring (1), a bearing inner ring (2) and a retainer (3) arranged between the bearing outer ring (1) and the bearing inner ring (2);
the rolling body (4) is arranged on the retainer (3), and the inner wall of the bearing inner ring (2) is provided with supporting component mounting grooves (5) at intervals; all install supporting component (16) in supporting component mounting groove (5), be provided with first spring (8) in supporting component mounting groove (5), and first spring (8) contact with the bottom of supporting component (16) and supporting component mounting groove (5), be provided with the locking Assembly corresponding with supporting component (16) on bearing inner ring (2), and be provided with a plurality of locking holes (10) on supporting component (16).
2. The steam turbine thrust bearing of claim 1, wherein: the supporting component comprises a supporting rod movable block (6), a supporting rod (9) and a pressing block (7), the supporting rod (9) is installed on the supporting rod movable block (6), and the pressing block (7) is installed at the front end of the supporting rod (9); the first spring (8) is in contact with the support rod movable block (6) and the bottom of the support component mounting groove (5); the locking holes (10) are arranged on the support rod (9).
3. The steam turbine thrust bearing of claim 2, wherein: a spring groove (11) is formed in the support rod movable block (6), limiting balls (12) are arranged on two sides of the spring groove (11), and a second spring (13) is arranged between the two limiting balls (12); and a plurality of limiting grooves (14) corresponding to the limiting balls (12) are arranged on two sides of the supporting component mounting groove (5).
4. The steam turbine thrust bearing of claim 1, wherein: the locking assembly is a positioning needle (15), a plurality of positioning holes are formed in the bearing inner ring (2), and the positioning needle (15) is arranged in the positioning holes; the positioning needle (15) corresponds to the locking hole (10) of the support rod (9).
5. The steam turbine thrust bearing of claim 2, wherein: the silica gel pad (17) is installed on the pressing block (7), and a protruding block (18) is arranged on the silica gel pad (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122315134.0U CN215861298U (en) | 2021-09-24 | 2021-09-24 | Steam turbine thrust bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122315134.0U CN215861298U (en) | 2021-09-24 | 2021-09-24 | Steam turbine thrust bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215861298U true CN215861298U (en) | 2022-02-18 |
Family
ID=80256269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122315134.0U Active CN215861298U (en) | 2021-09-24 | 2021-09-24 | Steam turbine thrust bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215861298U (en) |
-
2021
- 2021-09-24 CN CN202122315134.0U patent/CN215861298U/en active Active
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