CN215805729U - Radial bearing structure of vertical synchronous generator - Google Patents
Radial bearing structure of vertical synchronous generator Download PDFInfo
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- CN215805729U CN215805729U CN202121980109.8U CN202121980109U CN215805729U CN 215805729 U CN215805729 U CN 215805729U CN 202121980109 U CN202121980109 U CN 202121980109U CN 215805729 U CN215805729 U CN 215805729U
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Abstract
The utility model provides a radial bearing structure of a vertical synchronous generator, which comprises a bearing seat, a radial bearing bush, a wedge lug, a wedge plate, an upper disc, an adjusting screw and a base plate, wherein the bearing seat is arranged on one side of the radial bearing bush, the other side of the radial bearing bush is close to a sliding rotor of the vertical synchronous generator, the wedge lug and the wedge plate are arranged between the radial bearing bush and the bearing seat, the wedge lug is connected with the bearing seat, two ends of the upper disc are respectively connected with the radial bearing bush and the top of the bearing seat, the base plate is fixed on the upper disc, one end of the adjusting screw is connected with the wedge plate, the other end of the adjusting screw sequentially penetrates through the upper disc and the base plate and is in threaded connection with the base plate, the gap between the radial bearing bush and the sliding rotor is finely adjusted through the screw operating mechanism fixed on the upper disc, so that the problem that the lubricating gap is gradually increased and the vibration of the unit is increased due to the vibration of the unit between the radial bearing bush and the sliding rotor in an old structure can be effectively solved.
Description
Technical Field
The utility model relates to the technical field of vertical synchronous generators, in particular to a radial bearing structure of a vertical synchronous generator.
Background
Electric power is indispensable energy and power for human life, the development of modern life makes people increasingly unable to supply electric energy, and at present, most of the electric energy production around the world depends on water resources, coal and other forms of primary energy. However, as a natural resource, the existence in nature is always limited.
The existing vertical generator generally comprises an input shaft, a radial bearing bush, a thrust bearing, a generator rotor, a generator stator and the like, wherein the radial bearing bush is an important part for limiting the main shaft of the generator to jump in the field of vertical synchronous generators. How to accurately adjust the gap between the radial bearing bush and the sliding rotor and ensure the oil film lubrication effect in the gap is of great importance; secondly, the radial bearing bush structure of the generator must effectively limit the large-amplitude swing of the radial bearing bush in different directions, and the safe operation of the generator is ensured.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the radial bearing structure of the vertical synchronous generator provided by the utility model has the advantages that the gap between the radial bearing bush and the sliding rotor is finely adjusted through the screw operating mechanism fixed on the upper disc, so that the problem that the lubricating gap is gradually increased and the unit vibration is increased due to the unit vibration between the radial bearing bush and the sliding rotor in the old structure can be effectively solved, secondly, the lower disc of the radial bearing bush is connected with the radial bearing bush through the pin, and the insulating cushion block is additionally arranged between the radial bearing bush and the upper disc, so that the radial bearing bush is well limited to swing greatly, and the stability of the unit is improved.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a radial bearing structure of a vertical synchronous generator comprises a bearing seat, a radial bearing bush, a wedge lug, a wedge plate, an upper disc, an adjusting screw and a base plate,
one side of radial axle bush is provided with the bearing frame, the vertical synchronous generator's of opposite side next-door neighbour smooth rotor, wedge lug and wedge plate set up between radial axle bush and the bearing frame, the wedge lug with the bearing frame is connected, go up the both ends of disc respectively with the top of radial axle bush and bearing frame is connected, the backing plate is fixed go up on the disc, adjusting screw's one end with wedge plate connection, the other end run through in proper order go up disc and backing plate, and with the backing plate spiro union.
In one embodiment, a baffle is fixedly arranged on the wedge-shaped plate, a first through hole is formed in the baffle, the diameter of the first through hole is smaller than the outer diameter of the tail of the adjusting screw, and the threaded end of the adjusting screw penetrates through the first through hole in the baffle, the upper disc and the base plate in sequence and is in threaded connection with the base plate.
In one embodiment, the upper disc is provided with a second through hole, the base plate is provided with a threaded through hole, and the threaded end of the adjusting screw penetrates through the first through hole in the baffle, the second through hole in the upper disc and the threaded through hole in the base plate in sequence and is in threaded connection with the threaded through hole in the base plate.
In one embodiment, the adjusting screw is screwed with a locking nut, and the locking nut is positioned above the backing plate.
In one embodiment, the end of the threaded end of the adjusting screw is provided with a rotating part, and the cross section of the rotating part is rectangular.
In one embodiment, a support screw is arranged on the radial bearing shell, and the support screw is located between the radial bearing shell and the bearing seat.
In one embodiment, the bearing comprises a radial bearing bush and a bearing seat, wherein the radial bearing bush and the bearing seat are respectively provided with a bearing hole, and the bearing hole is provided with a bearing hole.
In one embodiment, the lower disc is connected with the radial bearing bush through a pin.
In one embodiment, an insulating cushion block is arranged between the upper disc and the radial bearing bush.
In one embodiment, an oil mist baffle is arranged above the upper disc, one end of the oil mist baffle is connected with the upper disc, and the other end of the oil mist baffle is close to a sliding rotor of the vertical synchronous generator.
Compared with the prior art, the radial bearing structure of the vertical synchronous generator provided by the utility model has the following advantages:
firstly, the operation is simple and the assembly and disassembly are convenient: the radial bearing bush finely adjusts the clearance between the radial bearing bush and the sliding rotor through the threads on the adjusting screw rod connected with the wedge-shaped plate, has the advantages of high adjusting precision and good stability, and has the remarkable advantages of large operating space, easiness in observation and measurement and the like compared with an old structure because the whole adjusting process is carried out in an open environment.
Secondly, the structure is safe and reliable: the radial force generated in the running process of the generator is completely born by the inclined plane matched between the wedge-shaped lug and the wedge-shaped plate, the adjusting screw rod does not directly bear the force, and the design defect that the lubricating gap is gradually increased and the vibration of the generator set is increased due to the vibration of the generator set between the radial bearing bush and the sliding rotor in the old structure can be effectively overcome.
And thirdly, the lower disc and the radial bearing bush are connected through a pin, and an insulation cushion block is additionally arranged between the radial bearing bush and the upper disc so as to limit the large-amplitude swing of the radial bearing bush, so that the stability of the whole unit is effectively improved.
Fourthly, the oil pollution prevention function is optimized: the inner ring of the upper disc is provided with an oil mist baffle plate, so that oil drops can be well prevented from splashing and oil mist diffusion.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a partial structural schematic view of the adjusting screw in the present invention.
Detailed Description
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," and the like are used in the indicated orientations and positional relationships based on the orientation shown in the drawings for convenience in describing the utility model and simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered as limiting.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
As shown in fig. 1 and 2, for convenience of description, the "up", "down", "left", "right", "front" and "rear" directions in the present invention are based on the directions shown in fig. 1;
a radial bearing structure of a vertical synchronous generator comprises a bearing seat 15, a radial bearing bush 6, a wedge lug 4, a wedge plate 3, an upper disc 2, an adjusting screw rod 1 and a backing plate 13,
a bearing seat 15 is arranged on the left side of the radial bearing bush 6, the right side of the radial bearing bush is close to a sliding rotor 16 of the vertical synchronous generator, a wedge lug 4 and a wedge plate 3 are arranged between the radial bearing bush 6 and the bearing seat 15, the wedge lug 4 is connected with the bearing seat 15, two ends of an upper disc 2 are respectively connected with the radial bearing bush 6 and the top of the bearing seat 15, a backing plate 13 is fixed on the upper disc 2 through a screw rod, the lower end of an adjusting screw rod 1 is connected with the wedge plate 3, and the upper end of the adjusting screw rod sequentially penetrates through the upper disc 2 and the backing plate 13 and is in threaded connection with the backing plate 13;
radial axle bush 6 reciprocates through the meticulous adjustment wedge plate 3 of adjusting screw 1 of fixing on last disc 2, rely on between wedge lug 4 and the wedge plate 3 the cooperation inclined plane cooperation drive radial axle bush 6 to be close to or keep away from in order to realize increasing and decreasing the size in clearance between radial axle bush 6 and the smooth rotor 16, radial axle bush 6 is through the meticulous clearance of adjusting between radial axle bush 6 and the smooth rotor 16 of the screw thread on the adjusting screw 1 of being connected with wedge plate 3, it is high to have the regulation precision, the good advantage of stability.
In the embodiment, in order to realize the fixed connection between the adjusting screw 1 and the wedge-shaped plate 3, a baffle 14 is fixedly arranged on the wedge-shaped plate 3 through the screw, a first through hole is formed in the baffle 14, the diameter of the first through hole is smaller than the outer diameter of the tail part of the adjusting screw 1, and the threaded end of the adjusting screw 1 sequentially penetrates through the first through hole in the baffle 14, the upper disc 2 and the backing plate 13 and is in threaded connection with the backing plate 13;
furthermore, in order to realize the connection relationship of the threaded connection between the adjusting screw 1 and the backing plate 13, a second through hole is arranged on the upper disc 2, a threaded through hole is arranged on the backing plate 13, and the threaded end of the adjusting screw 1 sequentially penetrates through the first through hole on the baffle 14, the second through hole on the upper disc 2 and the threaded through hole on the backing plate 13 and is in threaded connection with the threaded through hole on the backing plate 13.
Preferably, the adjusting screw 1 is screwed with a locking nut 12, and the locking nut 12 is positioned above the backing plate 13; meanwhile, the end part of the thread end of the adjusting screw rod 1 is provided with a rotating part 17, and the cross section of the rotating part 17 is rectangular; the rotating part 17 on the end part of the threaded end of the adjusting screw rod 1 is rotated through the wrench, and because the adjusting screw rod 1 is in threaded connection with the backing plate 13, the adjusting screw rod 1 rotates to realize the up-down movement of the adjusting screw rod 1, so that the wedge plate 3 is driven to move up and down, after the gap between the radial bearing bush 6 and the sliding rotor 16 is adjusted, the adjusting screw rod 1 is locked through the locking nut 12.
In the embodiment, in order to better realize the contact between the radial bearing bush 6 and the wedge plate 3 and the transmission of force, the radial bearing bush 6 is provided with the support screw 5, the support screw 5 is positioned between the radial bearing bush 6 and the bearing seat 15, and in the process of driving the wedge plate 3 to move up and down through the adjusting screw 1, the driving force from the wedge plate 3 is transmitted to the radial bearing bush 6 through the support screw 5.
In this embodiment, the lower disc 7 is further included, the lower disc 7 is located below the radial bearing bush 6 and the bearing block 15, and two ends of the lower disc 7 are respectively connected with the radial bearing bush 6 and the bearing block 15, preferably, the lower disc 7 is connected with the radial bearing bush 6 through a pin 10, so that the lower disc 7 and the radial bearing bush 6 can be conveniently detached; furthermore, be located and be provided with insulating pad 9 between disc 2 and the radial axle bush 6, realize being connected between the two and add insulating pad 9 between radial axle bush 6 tile seat and the last disc 2 through setting up pin 10 between lower disc 7 and the radial axle bush 6, reach the effect of restriction radial axle bush 6 swing by a wide margin jointly, the effectual stability that has improved whole unit.
In the embodiment, an oil mist baffle 8 is arranged above the upper disc 2, the left end of the oil mist baffle 8 is connected with the upper disc 2, and the right end of the oil mist baffle 8 is close to the sliding rotor 16 of the vertical synchronous generator, and the oil mist baffle 8 is arranged on the inner ring of the upper disc 2, so that oil drops can be well prevented from splashing and oil mist diffusion.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A radial bearing structure of a vertical synchronous generator is characterized by comprising a bearing seat, a radial bearing bush, a wedge lug, a wedge plate, an upper disc, an adjusting screw and a base plate,
one side of radial axle bush is provided with the bearing frame, the vertical synchronous generator's of opposite side next-door neighbour smooth rotor, wedge lug and wedge plate set up between radial axle bush and the bearing frame, the wedge lug with the bearing frame is connected, go up the both ends of disc respectively with the top of radial axle bush and bearing frame is connected, the backing plate is fixed go up on the disc, adjusting screw's one end with wedge plate connection, the other end run through in proper order go up disc and backing plate, and with the backing plate spiro union.
2. The radial bearing structure of the vertical synchronous generator according to claim 1, wherein the wedge plate is fixedly provided with a baffle plate, the baffle plate is provided with a first through hole, the diameter of the first through hole is smaller than the outer diameter of the tail part of the adjusting screw, and the threaded end of the adjusting screw sequentially penetrates through the first through hole, the upper disc and the base plate on the baffle plate and is in threaded connection with the base plate.
3. The radial bearing structure of the vertical synchronous generator as claimed in claim 2, wherein the upper disc is provided with a second through hole, the backing plate is provided with a threaded through hole, and the threaded end of the adjusting screw penetrates through the first through hole on the baffle, the second through hole on the upper disc and the threaded through hole on the backing plate in sequence and is in threaded connection with the threaded through hole on the backing plate.
4. The radial bearing structure of the vertical synchronous generator according to claim 3, wherein the adjusting screw is screwed with a lock nut, and the lock nut is located above the backing plate.
5. The radial bearing structure of claim 4, wherein the end of the threaded end of the adjusting screw is provided with a rotating part, and the cross section of the rotating part is rectangular.
6. The radial bearing structure of the vertical synchronous generator according to any one of claims 1 to 5, wherein a support screw is provided on the radial bearing shell, and the support screw is located between the radial bearing shell and the bearing seat.
7. The radial bearing structure of claim 6, further comprising a lower disc, wherein the lower disc is located below the radial bearing shell and the bearing seat, and two ends of the lower disc are respectively connected to the radial bearing shell and the bearing seat.
8. The radial bearing structure of claim 7, wherein the lower disc is connected to the radial bearing shell by a pin.
9. The radial bearing structure of claim 8, wherein an insulating spacer is disposed between the upper disk and the radial bearing shell.
10. The radial bearing structure of a vertical synchronous generator according to claim 9, wherein an oil mist baffle is disposed above the upper disk, one end of the oil mist baffle is connected to the upper disk, and the other end of the oil mist baffle is adjacent to a sliding rotor of the vertical synchronous generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121980109.8U CN215805729U (en) | 2021-08-23 | 2021-08-23 | Radial bearing structure of vertical synchronous generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121980109.8U CN215805729U (en) | 2021-08-23 | 2021-08-23 | Radial bearing structure of vertical synchronous generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215805729U true CN215805729U (en) | 2022-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121980109.8U Active CN215805729U (en) | 2021-08-23 | 2021-08-23 | Radial bearing structure of vertical synchronous generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215805729U (en) |
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2021
- 2021-08-23 CN CN202121980109.8U patent/CN215805729U/en active Active
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