CN220470100U - Large-scale hydraulic turbine and motor guide bearing axis ferry jigger adjusting device - Google Patents
Large-scale hydraulic turbine and motor guide bearing axis ferry jigger adjusting device Download PDFInfo
- Publication number
- CN220470100U CN220470100U CN202321903182.4U CN202321903182U CN220470100U CN 220470100 U CN220470100 U CN 220470100U CN 202321903182 U CN202321903182 U CN 202321903182U CN 220470100 U CN220470100 U CN 220470100U
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- circular plate
- bearing seat
- motor guide
- upper bearing
- jigger
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- 241001584775 Tunga penetrans Species 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 210000000078 claw Anatomy 0.000 claims description 10
- 238000012937 correction Methods 0.000 claims description 8
- 239000003550 marker Substances 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 238000005452 bending Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000010723 turbine oil Substances 0.000 description 1
- 229940099259 vaseline Drugs 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Manufacture Of Motors, Generators (AREA)
Abstract
The utility model provides a large-sized hydraulic turbine and motor guide bearing axis ferry jigger adjusting device, which comprises an upper bearing seat circular plate, a rotation adjusting component, a lower bearing seat circular plate and a correcting device, wherein the upper bearing seat circular plate is arranged on the upper bearing seat circular plate; the upper bearing seat circular plate is arranged on the motor shell, the lower motor guide bearing is rotatably arranged on the upper bearing seat circular plate, and the end part of the lower motor guide bearing is arranged on the water turbine through the lower bearing seat circular plate; the correcting device is arranged on the upper bearing seat circular plate and the lower bearing seat circular plate, and the rotation adjusting assembly is arranged on the upper motor guide bearing. The utility model has the beneficial effects that: the construction method of the device is simple in construction operation, improves the process installation precision, ensures that the friction surface of the mirror plate is absolutely vertical to the whole axis, ensures that each axis part does not generate bending and decentration, and stably rotates around the center when the bearing rotates, thereby eliminating ferrying errors.
Description
Technical Field
The utility model belongs to the technical field of electromechanical equipment installation, and particularly relates to an axial ferry jigger adjusting device for guide bearings of a large-sized water turbine and a motor.
Background
The axis of the water turbine generator set is composed of a generator shaft and a water turbine main shaft, the measurement and adjustment of the axis is an important work in the installation of the water turbine generator set, the whole shaft is supported on a thrust bearing at a thrust head and a mirror plate, for example, a friction surface of the mirror plate is not perpendicular to the whole axis, the axis can deviate from a rotation center when the water turbine generator set rotates, ferry is formed at any point on the axis when the water turbine generator set rotates, errors exist in ferry, the adjustment quality of the axis of the water turbine generator set can be further impressed, and the water turbine generator set cannot safely and stably run.
Disclosure of Invention
In view of the above, the utility model aims to provide a ferry jigger adjusting device for the axis of a guide bearing of a large-sized water turbine and a motor, which can eliminate ferry errors, improve the adjusting quality of the axis of a unit and ensure the safe and stable operation of the unit.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
the ferry jigger adjusting device for the axis of the guide bearing of the large-sized water turbine and the motor comprises an upper bearing seat circular plate, a rotation adjusting component, a lower bearing seat circular plate and a correcting device;
the upper bearing seat circular plate is arranged on the motor shell, the lower motor guide bearing is rotatably arranged on the upper bearing seat circular plate, and the end part of the lower motor guide bearing is arranged on the water turbine through the lower bearing seat circular plate;
the correcting device is arranged on the upper bearing seat circular plate and the lower bearing seat circular plate, and the rotation adjusting assembly is arranged on the upper motor guide bearing.
The motor housing is arranged on the concrete ground through the motor base and is arranged above the water turbine, and the circular plate of the lower bearing seat is arranged on the concrete ground.
Furthermore, the bottoms of the upper bearing seat circular plate and the lower bearing seat circular plate are respectively provided with a plurality of uniformly distributed mounting claws, the mounting claws of the upper bearing seat circular plate are connected with the motor shell, and the mounting claws of the lower bearing seat circular plate are connected with the water turbine.
Further, the correcting device comprises a first correcting component and a second correcting component, and the first correcting component and the second correcting component are respectively arranged on the upper bearing circular plate and the lower bearing circular plate;
the first correction component comprises two first dial indicators, the two first dial indicators are arranged on the upper bearing circular plate, the two first dial indicators are arranged at right angles, and the two first dial indicators are arranged on the same plane.
The second correcting component comprises two second dial indicators, the two second dial indicators are arranged on the upper bearing circular plate, the two second dial indicators are arranged at right angles, the first dial indicators correspond to the second dial indicators, and the two second dial indicators are arranged on the same plane.
Further, the upper bearing circular plate is provided with first markers along the circumference equidistance, the first markers divide the upper bearing circular plate into a plurality of equal parts, the motor shell is provided with an arc plate corresponding to the upper bearing circular plate, the arc plate is provided with second markers along the circumference equidistance, the second markers divide the upper bearing circular plate into a plurality of equal parts, and the second markers correspond to the first markers.
Preferably, the first marker divides the upper bearing disk into eight equal parts.
Further, a level fixing plate is arranged on the upper motor guide shaft through a flange plate, and a frame type level is arranged on the level fixing plate.
Further, the rotation adjusting component comprises a tile pushing fixed steel plate and two tile pushing rods, the two tile pushing rods are symmetrically arranged on two sides of the tile pushing fixed steel plate, a first threaded hole is formed in the upper motor guide bearing, a second threaded hole corresponding to the first threaded hole is formed in the tile pushing fixed steel plate, and the tile pushing fixed steel plate is arranged on the upper motor guide bearing in a threaded mode.
Further, a bearing bush is arranged between the upper bearing seat circular plate and the lower motor guide bearing.
Compared with the prior art, the axial ferry jigger adjusting device for the guide bearing of the large-sized water turbine and the motor has the following advantages:
the construction method of the device has simple construction operation, improves the process installation precision, ensures that the friction surface of the mirror plate is absolutely vertical to the whole axis, ensures that each axis part does not generate bending and decentering, stably rotates around the center when the bearing rotates, eliminates ferrying errors, reduces the defect problems of twisting friction and the like of the parts in the running process, prolongs the running life of equipment, improves the adjustment quality of the axis of the unit, and ensures the safe and stable running of the unit.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of a large-scale hydraulic turbine and motor guide bearing axis ferry jigger adjusting device according to an embodiment of the utility model;
fig. 2 is a schematic diagram of a motor housing of a large-sized hydraulic turbine and motor guide bearing axis ferry jigger adjusting device according to an embodiment of the utility model.
Reference numerals illustrate:
1. a circular plate of the upper bearing seat; 2. a motor housing; 3. a lower bearing seat circular plate; 4. a first dial gauge; 5. a second dial gauge; 6. a first marker; 7. a second marker; 8. a lower motor guide bearing; 9. a motor guide bearing is arranged; 10. a water turbine; 11. a mounting claw; 12. a flange plate; 13. a level fixing plate; 14. frame type level gauge; 15. bearing bush; 16. pushing a tile to fix the steel plate; 17. and (5) pushing the tile pushing rod.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
The utility model will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1 to 2, the device for adjusting the axis ferry jigger of the guide bearing of the large-sized water turbine and the motor comprises an upper bearing seat circular plate 1, a rotation adjusting component, a lower bearing seat circular plate 3 and a correction device; the upper bearing seat circular plate 1 is arranged on the motor shell 2, the lower motor guide bearing 8 is rotatably arranged on the upper bearing seat circular plate 1, and the end part of the lower motor guide bearing 8 is arranged on the water turbine 10 through the lower bearing seat circular plate 3; the correcting device is arranged on the upper bearing seat circular plate 1 and the lower bearing seat circular plate 3, and the rotation adjusting assembly is arranged on the upper motor guide bearing 9.
The motor housing 2 is arranged on the concrete ground through a motor base and above the water turbine, and the lower bearing seat circular plate is arranged 3 on the concrete ground.
The bottoms of the upper bearing seat circular plate 1 and the lower bearing seat circular plate 3 are respectively provided with a plurality of uniformly distributed mounting claws 11, the mounting claws 11 of the upper bearing seat circular plate 1 are connected with the motor shell 2, and the mounting claws 11 of the lower bearing seat circular plate 3 are connected with the water turbine 10. The correcting device comprises a first correcting component and a second correcting component, and the first correcting component and the second correcting component are respectively arranged on an upper bearing circular plate and a lower bearing circular plate; the first correction component comprises two first dial indicators 4, the two first dial indicators 4 are arranged on the upper bearing circular plate, the two first dial indicators 4 are arranged at right angles, and the two first dial indicators 4 are arranged on the same plane. The second correction assembly comprises two second dial indicators 5, the two second dial indicators 5 are arranged on the upper bearing circular plate, the two second dial indicators 5 are arranged at right angles, the first dial indicators 4 correspond to the second dial indicators 5, and the two second dial indicators 5 are arranged on the same plane.
The upper bearing circular plate is provided with first markers 6 along the circumference equidistance, the first markers 6 divide the upper bearing circular plate into a plurality of equal parts, the motor housing 2 is provided with an arc plate corresponding to the upper bearing circular plate, the arc plate is provided with second markers 7 along the circumference equidistance, the second markers 7 divide the upper bearing circular plate into a plurality of equal parts, and the second markers 7 correspond to the first markers 6.
In a specific embodiment, the first marker 6 divides the upper bearing disk into eight equal parts.
The upper motor guide shaft is provided with a level gauge fixing plate 13 through a flange plate 12, and the level gauge fixing plate 13 is provided with a frame type level gauge 14. The rotation adjusting assembly comprises a tile pushing fixed steel plate 16 and two tile pushing rods 17, the two tile pushing rods 17 are symmetrically arranged on two sides of the tile pushing fixed steel plate 16, a first threaded hole is formed in the upper motor guide bearing 9, a second threaded hole corresponding to the first threaded hole is formed in the tile pushing fixed steel plate 16, and threads of the tile pushing fixed steel plate 16 are arranged on the upper motor guide bearing 9. A bearing bush 15 is arranged between the upper bearing seat circular plate 1 and the lower motor guide bearing 8.
A large-scale hydraulic turbine 10 and motor guide bearing axis ferry jigger adjusting device is characterized in that guide bearings are installed, gaps between an upper bearing bush 15 and a lower motor guide bearing 8 are adjusted, jigger checking is carried out on a motor part independently to eliminate ferry errors, so that the net swiping degree requirement of the motor at a flange plate 12 is not more than 0.02mm/m, and the motor is controlled within 0.05-0.08 mm on each side. Checking and correcting the motor axis, checking the verticality of the plane of the thrust head mirror plate, and preparing for the connection of the unit.
Each time the bearing bush 15 of the jigger is coated with a layer of pure turbine oil or vaseline oil, the upper bearing circular plate is provided with first markers 6 along the circumference at equal intervals, the first markers 6 divide the upper bearing circular plate into eight equal parts, the motor housing 2 is provided with an arc plate corresponding to the upper bearing circular plate, the arc plate is provided with second markers 7 along the circumference at equal intervals, the second markers 7 divide the upper bearing circular plate into a plurality of equal parts, the second markers 7 correspond to the first markers 6, the number is written by paint, and each equal part is arranged on a plumb line up and down. The first correction component comprises two first dial indicators 4, the two first dial indicators 4 are arranged on the upper bearing circular plate, the two first dial indicators 4 are arranged at right angles, and the two first dial indicators 4 are arranged on the same plane.
The second correction assembly comprises two second dial indicators 5, the two second dial indicators 5 are arranged on the upper bearing circular plate, the two second dial indicators 5 are arranged at right angles, the first dial indicators 4 correspond to the second dial indicators 5, and the two second dial indicators 5 are arranged on the same plane. The dial indicators are respectively arranged in the X, Y direction and form an angle of 90 degrees with each other, and whether sundries exist in the air gap or not is checked, and the dial indicators can be rotated once along the circumference in the air gap of an insulating plate with the thickness of 2 mm. The jigger is carried out in the direction specified by the design, a special person monitors and records in writing at the upper dial indicator and the lower dial indicator, and when one point rotates, the jigger reads once, and the ferry is repeatedly processed according to the measured data until the requirement is met.
Then, the whole jigger of the connecting shaft is carried out, and the gap and the correction center of the flange plate 12 are repeatedly checked before the flange plate 12 is connected. The flange 12 is made horizontal, and in order to prevent the swing of the shaft when the flange 12 is connected, the lower bearing bush 15 can be arranged to hold the lower motor guide bearing 8 tightly, and the motor guide bearing is loosened after the connection. Cleaning the main shaft flange plate 12, pulling the rotor of the water pump up, plugging in the spigot, and screwing in the flange screw. The wobble at the water pump shaft guide bearing is required to be no more than 0.02mm/m. If large runout is caused by deflection of the stack flanges 12, it is common to use wedge-shaped metal pads of different thickness between the flanges 12.
The first dial gauge 4 and the second dial gauge 5 are magnetic type dial gauges.
The thrust head upper guide bearing and the motor shaft flange 12 are divided into eight equal parts along the circumference, the numbers are written by paint, and the equal parts are arranged on a plumb line up and down. The first dial gauge 4 and the second dial gauge 5 are placed in the direction of X, Y at an angle of 90 ° to each other, respectively. The same hand force is used for pushing the tile thrust rod 17 to carry out jigger in the specified direction according to the design, a special person monitors and writes records at the first dial indicator 4 and the second dial indicator 5, the frame type level 14 can avoid deflection of a motor guide bearing, and the frame type level can repeatedly process ferry according to the measured data once every one point is rotated and read until the requirements are met.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (9)
1. A large-scale hydraulic turbine and motor guide bearing axis ferry jigger adjusting device which characterized in that: comprises an upper bearing seat circular plate (1), a rotation adjusting component, a lower bearing seat circular plate (3) and a correction device;
the upper bearing seat circular plate (1) is arranged on the motor shell (2), the lower motor guide bearing (8) is rotatably arranged on the upper bearing seat circular plate (1), and the end part of the lower motor guide bearing (8) is arranged on the water turbine (10) through the lower bearing seat circular plate (3);
the correcting device is arranged on the upper bearing seat circular plate (1) and the lower bearing seat circular plate (3), and the rotation adjusting component is arranged on the upper motor guide bearing (9).
2. The large-scale water turbine and motor guide bearing axis ferry jigger adjusting device according to claim 1, wherein: the bottom of the upper bearing seat circular plate (1) and the bottom of the lower bearing seat circular plate (3) are respectively provided with a plurality of uniformly distributed mounting claws (11), the mounting claws (11) of the upper bearing seat circular plate (1) are connected with the motor shell (2), and the mounting claws (11) of the lower bearing seat circular plate (3) are connected with the water turbine (10).
3. The large-scale water turbine and motor guide bearing axis ferry jigger adjusting device according to claim 1, wherein: the correcting device comprises a first correcting component and a second correcting component, and the first correcting component and the second correcting component are respectively arranged on an upper bearing circular plate and a lower bearing circular plate;
the first correction component comprises two first dial indicators (4), the two first dial indicators (4) are arranged on the upper bearing circular plate, the two first dial indicators (4) are arranged at right angles, and the two first dial indicators (4) are arranged on the same plane.
4. The large-scale hydraulic turbine and motor guide bearing axis ferry jigger adjusting device according to claim 3, wherein: the second correcting component comprises two second dial indicators (5), the two second dial indicators (5) are arranged on the upper bearing circular plate, the two second dial indicators (5) are arranged at right angles, the first dial indicators (4) correspond to the second dial indicators (5), and the two second dial indicators (5) are arranged on the same plane.
5. The large-scale water turbine and motor guide bearing axis ferry jigger adjusting device according to claim 4, wherein: the upper bearing circular plate is provided with first markers (6) along the circumference equidistance, the first markers (6) divide the upper bearing circular plate into a plurality of equally-divided parts, an arc plate corresponding to the upper bearing circular plate is arranged on the motor housing (2), the arc plate is provided with second markers (7) along the circumference equidistance, the second markers (7) divide the upper bearing circular plate into a plurality of equally-divided parts, and the second markers (7) correspond to the first markers (6).
6. The large-scale water turbine and motor guide bearing axis ferry jigger adjusting device according to claim 5, wherein: the first marker (6) divides the upper bearing circular plate into eight equal parts.
7. The large-scale water turbine and motor guide bearing axis ferry jigger adjusting device according to claim 1, wherein: the upper motor guide shaft is provided with a level fixing plate (13) through a flange plate (12), and the level fixing plate (13) is provided with a frame type level (14).
8. The large-scale water turbine and motor guide bearing axis ferry jigger adjusting device according to claim 1, wherein: the rotation adjusting assembly comprises a tile pushing fixed steel plate (16) and two tile pushing rods (17), wherein the two tile pushing rods (17) are symmetrically arranged on two sides of the tile pushing fixed steel plate (16), a first threaded hole is formed in the upper motor guide bearing (9), a second threaded hole corresponding to the first threaded hole is formed in the tile pushing fixed steel plate (16), and threads of the tile pushing fixed steel plate (16) are arranged on the upper motor guide bearing (9).
9. The large-scale water turbine and motor guide bearing axis ferry jigger adjusting device according to claim 1, wherein: a bearing bush (15) is arranged between the upper bearing seat circular plate (1) and the lower motor guide bearing (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321903182.4U CN220470100U (en) | 2023-07-19 | 2023-07-19 | Large-scale hydraulic turbine and motor guide bearing axis ferry jigger adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321903182.4U CN220470100U (en) | 2023-07-19 | 2023-07-19 | Large-scale hydraulic turbine and motor guide bearing axis ferry jigger adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220470100U true CN220470100U (en) | 2024-02-09 |
Family
ID=89800035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321903182.4U Active CN220470100U (en) | 2023-07-19 | 2023-07-19 | Large-scale hydraulic turbine and motor guide bearing axis ferry jigger adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220470100U (en) |
-
2023
- 2023-07-19 CN CN202321903182.4U patent/CN220470100U/en active Active
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