CN209977066U - Finish machining thrust disc easy for oil film formation - Google Patents
Finish machining thrust disc easy for oil film formation Download PDFInfo
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- CN209977066U CN209977066U CN201920763353.5U CN201920763353U CN209977066U CN 209977066 U CN209977066 U CN 209977066U CN 201920763353 U CN201920763353 U CN 201920763353U CN 209977066 U CN209977066 U CN 209977066U
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- thrust
- groove
- thrust disc
- disc body
- oil film
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Abstract
The utility model discloses a finish machining thrust disc easy to form an oil film, which belongs to the field of thrust discs, and comprises a rotor and a thrust disc body, wherein the thrust disc body is fixedly connected with the outer end of the rotor, the upper side and the lower side of the thrust disc body are both provided with thrust pad holders, the thrust disc body is positioned at the inner side of the thrust pad holders, the left side and the right side of the thrust disc body are both provided with a plurality of thrust pads, the left end and the right end of the thrust disc body are both provided with annular grooves, a plurality of main drainage grooves and a plurality of auxiliary drainage grooves, the main drainage grooves, the annular grooves and the auxiliary drainage grooves are distributed from outside to inside in sequence, the main drainage grooves and the auxiliary drainage grooves are both communicated with the annular grooves, one end of the thrust pad close to the thrust disc body is fixedly connected with an annular plate, the utility model discloses a finish machining thrust disc easy to form an oil film between the thrust disc body and the thrust pad by matching use of the annular plate, the, thereby reducing the occurrence of the tile grinding phenomenon.
Description
Technical Field
The utility model relates to a thrust disc field, more specifically say, relate to a finish machining thrust disc of easy oil film formation.
Background
The thrust disc is a disc which transmits the axial thrust of the rotor to the thrust bearing. For a single-cylinder unit, the thrust disc is mounted on the high-pressure side of the steam turbine rotor, usually inside the front box, and this arrangement is intended because the rotor is axially displaced towards the generator during the thrust rotation of the unit; however, for large units (intermediate reheat units), the thrust disk is not arranged in the front box, but in the disk box, because the rotor of the steam turbine is axially displaced towards the steam turbine head instead of the generator when the intermediate reheat unit is rotating.
The thrust pad, also called thrust bearing, can freely and flexibly swing on a fixed support body, forms dynamic pressure oil film lubrication and bearing with a mirror plate, and is a sector part formed by a friction surface layer and a pad blank body and used for balancing the axial thrust of a rotor. The dead point of rotor expansion is established to ensure that the axial clearance between the moving and stationary parts is within the design limits.
The thrust pads are arranged on two sides of the thrust disc, and a wedge-shaped oil film is arranged between the thrust pads and the thrust disc to maintain lubrication and prevent the pads from being worn. The working surface and the non-working surface on the two sides of the thrust disc are respectively provided with a plurality of thrust pads, the back of each pad is provided with a pin hole, the pad is arranged on a pin of the mounting ring by the pin hole, and the pad can slightly rotate around the pin; a wide space is left between the tiles, so that oil can circulate in the tiles conveniently. The thrust bearing spherical seat is provided with an oil return index oil ring which surrounds the periphery of the thrust disc to form an annular oil return chamber.
When the existing thrust disc works, an oil film is formed between the thrust disc and the reasoning shoe to maintain the lubrication between the thrust disc and the reasoning shoe, but because the oil flows irregularly between the thrust disc and the reasoning shoe, the oil film forming time is longer, and the phenomenon of shoe grinding is easy to generate.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
To the problem that exists among the prior art, the utility model aims to provide an easy finish machining thrust disc of oil film formation, it can realize using through the cooperation of annular slab, main drainage groove, ring channel and vice drainage groove, makes oil can form the oil film fast between thrust disc body and thrust tile to reduce the emergence of the phenomenon of rubbing tile.
2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
The utility model provides an easy finish machining thrust dish of oil film formation, includes rotor and thrust dish body, thrust dish body fixed connection is in the outer end of rotor, the upper and lower both sides of thrust dish body all are equipped with the thrust tile seat, the thrust dish body is located the inboard of thrust tile seat, the left and right sides of thrust dish body all is equipped with a plurality of thrust tiles, ring channel, a plurality of main drainage groove and a plurality of vice drainage groove have all been seted up at both ends about the thrust dish body, main drainage groove, ring channel and vice drainage groove outside-in distribute in proper order, and main drainage groove and vice drainage groove all communicate with each other with the ring channel, the one end fixedly connected with annular plate that the thrust tile is close to the thrust dish body, annular plate and ring channel phase-match, a pair of oiling groove has been seted up on the thrust tile seat, the oiling groove is located the left and right sides of thrust dish body respectively, the utility model discloses an annular plate, The main drainage groove, the annular groove and the auxiliary drainage groove are matched for use, so that oil can quickly form an oil film between the thrust disc body and the thrust pad, and the phenomenon of pad abrasion is reduced.
Furthermore, a limiting groove is formed in the thrust pad holder, a limiting plate is fixedly connected to the outer end of the thrust disc body, the limiting plate is matched with the limiting groove, and the positions of the thrust disc body and the thrust pad holder are more accurate through the matching of the limiting plate and the limiting groove.
Furthermore, one of them thrust tile seat is last to have seted up a plurality of mounting grooves, another a plurality of erection columns of fixedly connected with on the thrust tile seat, mounting groove and erection column phase-match when the installation, make the accurate location interconnect of a pair of thrust tile seat through mounting groove and erection column.
Furthermore, a reinforcing groove is formed in the inner wall of the thrust disc body, a reinforcing plate is fixedly connected to the outer end of the rotor, the reinforcing plate is fixedly connected to the inner portion of the reinforcing groove, the reinforcing plate and the rotor are of an integrated structure, the contact area of the rotor and the thrust disc body is increased through the reinforcing plate and the reinforcing groove, and the rotor and the thrust disc body are connected more stably.
Furthermore, a plurality of main drainage grooves and a plurality of auxiliary drainage grooves are uniformly distributed on the inner side and the outer side of the annular groove, and the number of the main drainage grooves is the same as that of the auxiliary drainage grooves.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages of:
(1) this scheme uses through the cooperation of annular plate, main drainage groove, ring channel and vice drainage groove, makes oil can form the oil film fast between thrust dish body and thrust tile piece to reduce the emergence of the phenomenon of rubbing tile.
(2) The limiting groove is formed in the thrust tile seat, the limiting plate is fixedly connected to the outer end of the thrust disc body, the limiting plate is matched with the limiting groove, and the position of the thrust disc body and the position of the thrust tile seat are more accurate through the matching of the limiting plate and the limiting groove.
(3) A plurality of mounting grooves have been seted up on one of them thrust tile seat, a plurality of erection columns of fixedly connected with on another thrust tile seat, mounting groove and erection column phase-match when the installation, make the accurate location interconnect of a pair of thrust tile seat through mounting groove and erection column.
(4) The reinforcing groove has been seted up to the inner wall of thrust disc body, and the outer end fixedly connected with gusset plate of rotor, gusset plate fixed connection are in the inside in reinforcing groove, and the gusset plate is the integral type structure with the rotor, increases the area of contact of rotor and thrust disc body through gusset plate and reinforcing groove, makes to be connected more firmly between rotor and the thrust disc body.
(5) A plurality of main drainage grooves and a plurality of auxiliary drainage grooves are uniformly distributed on the inner side and the outer side of the annular groove, and the number of the main drainage grooves is the same as that of the auxiliary drainage grooves.
Drawings
FIG. 1 is a perspective view of the present invention;
fig. 2 is a perspective view of the thrust disc body of the present invention;
fig. 3 is a perspective view of the thrust pad holder of the present invention;
fig. 4 is a schematic side view of the thrust disc body of the present invention.
The reference numbers in the figures illustrate:
the thrust disc comprises a rotor 1, a thrust disc body 2, a thrust pad seat 3, a thrust pad 4, an annular plate 5, a main drainage groove 6, an annular groove 7, an auxiliary drainage groove 8, an oil injection groove 9, a limiting plate 10, a limiting groove 11, a mounting groove 12, a mounting column 13, a reinforcing groove 14 and a reinforcing plate 15.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
please refer to fig. 1, a finish machining thrust disc easy for oil film formation, including rotor 1 and thrust disc body 2, thrust disc body 2 is fixedly connected to the outer end of rotor 1, thrust shoe 3 is arranged on both sides of thrust disc body 2, thrust disc body 2 is located on the inner side of thrust shoe 3, a plurality of thrust shoes 4 are arranged on both sides of thrust disc body 2, a pin hole is opened on one end of thrust shoe 4 far away from thrust disc body 2, a pin is arranged on the inner wall of thrust shoe 3, and thrust shoe 4 is connected to the inside of thrust shoe 3 through a pin.
Please refer to fig. 2, annular groove 7 has all been seted up at both ends about thrust disc body 2, a plurality of main drainage grooves 6 and a plurality of vice drainage groove 8, main drainage groove 6, annular groove 7 and vice drainage groove 8 outside-in distribute in proper order, and main drainage groove 6 and vice drainage groove 8 all communicate with each other with annular groove 7, a plurality of main drainage grooves 6 and a plurality of vice drainage groove 8 evenly distributed are in the inside and outside both sides of annular groove 7, main drainage groove 6 is the same with the number of vice drainage groove 8, please refer to fig. 3, thrust tile 4 is close to one end fixedly connected with annular plate 5 of thrust disc body 2, annular plate 5 and annular groove 7 phase-match, a pair of oiling groove 9 has been seted up on the thrust tile seat 3, oiling groove 9 is located the left and right sides of thrust disc body 2 respectively, oiling groove 9 is used for the input of oil.
The utility model discloses a cooperation of annular plate 5, main drainage groove 6, ring channel 7 and vice drainage groove 8 is used, makes oil can form the oil film fast between thrust dish body 2 and thrust tile 4 to reduce the emergence of the phenomenon of rubbing tiles.
Referring to fig. 3, a limit groove 11 is formed in the thrust pad holder 3, referring to fig. 2, a limit plate 10 is fixedly connected to the outer end of the thrust disc body 2, the limit plate 10 is matched with the limit groove 11, and the positions of the thrust disc body 2 and the thrust pad holder 3 are more accurate through the matching of the limit plate 10 and the limit groove 11.
Referring to fig. 1, one of the thrust pad holders 3 is provided with a plurality of mounting grooves 12, the other thrust pad holder 3 is fixedly connected with a plurality of mounting posts 13, the mounting grooves 12 are matched with the mounting posts 13, and when the thrust pad holders are mounted, the mounting grooves 12 and the mounting posts 13 are used for accurately positioning and connecting the pair of thrust pad holders 3.
Referring to fig. 4, a reinforcing groove 14 is formed in the inner wall of the thrust disc body 2, a reinforcing plate 15 is fixedly connected to the outer end of the rotor 1, the reinforcing plate 15 is fixedly connected to the inside of the reinforcing groove 14, the reinforcing plate 15 and the rotor 1 are in an integrated structure, and the reinforcing plate 15 and the reinforcing groove 14 increase the contact area between the rotor 1 and the thrust disc body 2, so that the connection between the rotor 1 and the thrust disc body 2 is more stable.
When rotor 1 moves, drive thrust disc body 2 at the internal rotation of thrust tile seat 3, when the rotor produced the displacement, thrust disc body 2 extrusion thrust tile 4 made thrust tile 4 atress to the realization is through the displacement of thrust tile 4 restriction rotor 1 and thrust disc body 2.
Rotor 1 is when the operation, and the oil of pouring into from oiling groove 9 department can loop through main drainage groove 6, ring channel 7, annular plate 5 and vice drainage groove 8, and the circulation flows between thrust dish body 2 and thrust tile 4, can make oil spread fast evenly between thrust dish body 2 and thrust tile 4 through the orbit that main drainage groove 6, ring channel 7 and vice drainage groove 8 formed to form the oil film, reduce the production of the mill tile phenomenon.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (5)
1. The utility model provides an easy finish machining thrust disc of oil film formation, includes rotor (1) and thrust disc body (2), thrust disc body (2) fixed connection is in the outer end of rotor (1), the upper and lower both sides of thrust disc body (2) all are equipped with thrust tile seat (3), thrust disc body (2) are located the inboard of thrust tile seat (3), the left and right sides of thrust disc body (2) all is equipped with a plurality of thrust tile (4), its characterized in that: annular groove (7), a plurality of main drainage groove (6) and a plurality of vice drainage groove (8) have all been seted up at both ends about thrust dish body (2), main drainage groove (6), annular groove (7) and vice drainage groove (8) outside-in distribute gradually, and main drainage groove (6) and vice drainage groove (8) all communicate with each other with annular groove (7), one end fixedly connected with annular plate (5) that thrust tile piece (4) are close to thrust dish body (2), annular plate (5) and annular groove (7) phase-match, a pair of oiling groove (9) have been seted up on thrust tile seat (3), oiling groove (9) are located the left and right sides of thrust dish body (2) respectively.
2. A finished thrust disc susceptible to oil film formation as claimed in claim 1, wherein: the thrust bearing bush is characterized in that a limiting groove (11) is formed in the thrust bearing bush seat (3), a limiting plate (10) is fixedly connected to the outer end of the thrust disc body (2), and the limiting plate (10) is matched with the limiting groove (11).
3. A finished thrust disc susceptible to oil film formation as claimed in claim 1, wherein: wherein one thrust tile seat (3) is provided with a plurality of mounting grooves (12), the other thrust tile seat (3) is fixedly connected with a plurality of mounting columns (13), and the mounting grooves (12) are matched with the mounting columns (13).
4. A finished thrust disc susceptible to oil film formation as claimed in claim 1, wherein: the inner wall of the thrust disc body (2) is provided with a reinforcing groove (14), the outer end of the rotor (1) is fixedly connected with a reinforcing plate (15), and the reinforcing plate (15) is fixedly connected to the inner part of the reinforcing groove (14).
5. A finished thrust disc susceptible to oil film formation as claimed in claim 1, wherein: a plurality of main drainage groove (6) and a plurality of vice drainage groove (8) evenly distributed are in the inside and outside both sides of ring channel (7), main drainage groove (6) are the same with the number of vice drainage groove (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920763353.5U CN209977066U (en) | 2019-05-26 | 2019-05-26 | Finish machining thrust disc easy for oil film formation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920763353.5U CN209977066U (en) | 2019-05-26 | 2019-05-26 | Finish machining thrust disc easy for oil film formation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209977066U true CN209977066U (en) | 2020-01-21 |
Family
ID=69263967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920763353.5U Expired - Fee Related CN209977066U (en) | 2019-05-26 | 2019-05-26 | Finish machining thrust disc easy for oil film formation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209977066U (en) |
-
2019
- 2019-05-26 CN CN201920763353.5U patent/CN209977066U/en not_active Expired - Fee Related
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| 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: 20200121 Termination date: 20200526 |
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| CF01 | Termination of patent right due to non-payment of annual fee |