CN220033820U - Adjustable target for rotor hoisting laser alignment - Google Patents
Adjustable target for rotor hoisting laser alignment Download PDFInfo
- Publication number
- CN220033820U CN220033820U CN202321069322.2U CN202321069322U CN220033820U CN 220033820 U CN220033820 U CN 220033820U CN 202321069322 U CN202321069322 U CN 202321069322U CN 220033820 U CN220033820 U CN 220033820U
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- rotor
- target
- target ring
- hoisting
- laser alignment
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- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 abstract description 6
- 238000005259 measurement Methods 0.000 abstract 4
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses an adjustable target for rotor hoisting laser alignment, which comprises a target ring with an annular structure, wherein the upper surface of the target ring is a horizontal plane with the annular structure, the side surfaces of the target ring are all of slope-shaped conical surface structures, and the side surfaces of the target ring are connected with a plurality of supporting mechanisms; the supporting mechanism comprises at least three supporting rods, and the supporting rods are of a threaded sleeve structure; the end part of the support is connected with a rubber pad which is in interference fit with the inner wall of the stator; the front section of the inner tube of the threaded sleeve is provided with an external thread and is in threaded connection with the outer tube, and the smooth surface of the rear section of the inner tube is provided with scales. The device is used for solving the problem that the distance measurement error of the laser distance measurement sensor is large in the hoisting and lowering process of the existing rotor of the hydroelectric generating set, and has the characteristics that the distance measurement data change of the laser distance measurement sensor can be reflected in real time, and the rotor offset can be found in time.
Description
Technical Field
The utility model belongs to the technical field of hydraulic generator overhaul, and particularly relates to an adjustable target for rotor hoisting laser alignment.
Background
The gap between the stator and the rotor of the large-sized hydroelectric generating set is small, the risk of collision, extrusion and the like with the stator exists when the rotor is lifted in and lifted out, and personnel are often required to monitor and early warn between the stator and the rotor; the factory designs an automatic plugboard early warning system, wherein a plurality of laser ranging sensors can downwards irradiate a circle of light spots through arranging the laser ranging sensors at the end part of a plugboard mechanism, and then whether the rotor is deviated in the hoisting process can be judged through acquiring ranging data in real time; because the plane irradiated by the laser ranging sensor downwards is uneven and smooth, errors exist in the process of acquiring data, and therefore, an adjustable target for aligning the rotor hoisting laser needs to be designed to solve the problems.
Disclosure of Invention
The utility model aims to solve the technical problem of providing an adjustable target for rotor hoisting laser alignment, which is used for solving the problem of larger ranging error of a laser ranging sensor in the process of hoisting and lowering the rotor of the existing hydroelectric generating set, and has the characteristics of reflecting the ranging data change of the laser ranging sensor in real time and finding the rotor deflection in time.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the adjustable target comprises a target ring with an annular structure, the upper surface of the target ring is a horizontal plane with the annular structure, the side surfaces of the target ring are of slope-shaped conical surface structures, and the side surfaces of the target ring are connected with a plurality of supporting mechanisms.
Preferably, the inclination of the conical surface structure is less than 30 degrees.
Preferably, the supporting mechanism comprises at least three supporting rods, and the supporting rods are of a threaded sleeve structure; the supporting end part is connected with a rubber pad which is in abutting fit with the inner wall of the stator.
Preferably, the front section of the inner tube of the threaded sleeve is provided with an external thread in threaded connection with the outer tube, and the smooth surface of the rear section of the inner tube is provided with scales.
Preferably, the inner diameter of the target ring is larger than the diameter of the rotor, and the circle center of the target ring coincides with the circle center of the preset position when the rotor is hoisted.
Further, the adjustable targets are matched with the laser ranging sensors, the laser ranging sensors are connected to the end part of the plugboard mechanism to form an annular aperture formed by light spots, and the laser ranging sensors are identical in annular light spot array and fall on an annular horizontal plane.
Further, the laser ranging sensor is preferably a Kellett TLS-01C laser ranging sensor, which can detect a vertical or inclined object within a distance of 30m without being affected by color, material or glossiness.
The beneficial effects of the utility model are as follows:
the target ring is provided with a horizontal plane for calibrating a qualified area in the rotor hoisting process, and an inclined conical surface is provided for reflecting an offset area; the inclined conical surface can reflect the continuous change condition of the ranging numerical value, so that an operator can timely know that the rotor is offset, and trigonometric function operation can be further carried out through a microprocessor of the plugboard mechanism, and the offset is calculated according to the continuous change condition of the ranging vertical on the conical surface.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of a support rod according to the present utility model;
in the figure: the target ring 1, the horizontal plane 11, the conical surface structure 12, the supporting rod 13, the rubber pad 14, the inner tube 2, the outer tube 3 and the scale 4.
Detailed Description
In fig. 1-2, an adjustable target for rotor hoisting laser alignment comprises a target ring 1 with an annular structure, wherein the upper surface of the target ring 1 is a horizontal plane 11 with the annular structure, the side surface of the target ring 1 is a slope-shaped conical surface structure 12, and the side surface of the target ring 1 is connected with a plurality of supporting mechanisms.
Preferably, the inclination of the conical surface structure 12 is less than 30 degrees.
Preferably, the supporting mechanism comprises at least three supporting rods 13, and the supporting rods 13 are of a threaded sleeve structure; the support end is connected with a rubber pad 14 which is in interference fit with the inner wall of the stator.
Preferably, the front section of the inner tube 2 of the threaded sleeve is provided with an external thread in threaded connection with the outer tube 3, and the smooth surface of the rear section of the inner tube 2 is provided with scales 4.
Preferably, the inner diameter of the target ring 1 is larger than the diameter of the rotor, and the circle center of the target ring 1 coincides with the circle center of the preset position when the rotor is hoisted.
Further, the adjustable targets are matched with laser ranging sensors, the plurality of laser ranging sensors are connected to the end part of the plugboard mechanism to form an aperture formed by annular light spots, and the laser ranging sensors are identical in annular light spot array and fall on an annular horizontal plane 11.
Further, the laser ranging sensor is preferably a Kellett TLS-01C laser ranging sensor, which can detect a vertical or inclined object within a distance of 30m without being affected by color, material or glossiness.
Further, the supporting rods 13 are supported by the inner wall of the stator, and the length of the supporting rods can be accurately adjusted through the scales 4, so that the target ring 1 is ensured to be positioned at the center of the hoisting preset position.
The working principle of the adjustable target for rotor hoisting laser alignment is as follows:
the position of the plugboard mechanism is adjusted, so that the light spot of each laser ranging sensor falls on the horizontal plane 11 of the annular structure on the upper surface of the target ring 1; in the rotor lowering process, when the deflection occurs, the light spot downwards irradiated by part of the laser ranging sensor moves to the outside of the annular horizontal plane 11 of the target ring 1 and falls on the conical surface structure 12 at the outer side of the target ring 1; at the moment, the controller of the plugboard mechanism detects that the data difference between different laser ranging sensors exceeds a preset value, so that the occurrence of hoisting offset of the rotor can be known.
The above embodiments are merely preferred embodiments of the present utility model, and should not be construed as limiting the present utility model, and the embodiments and features of the embodiments of the present utility model may be arbitrarily combined with each other without collision. The protection scope of the present utility model is defined by the claims, and the protection scope includes equivalent alternatives to the technical features of the claims. I.e., equivalent replacement modifications within the scope of this utility model are also within the scope of the utility model.
Claims (5)
1. A adjustable target that is used for rotor hoist and mount laser to align, its characterized in that: the device comprises a target ring (1) with an annular structure, wherein the upper surface of the target ring (1) is a horizontal plane (11) with the annular structure, the side surfaces of the target ring (1) are all slope-shaped conical surface structures (12), and the side surfaces of the target ring (1) are connected with a plurality of supporting mechanisms.
2. The tunable target for rotor hoisting laser alignment of claim 1, wherein: the inclination of the conical surface structure (12) is less than 30 degrees.
3. The tunable target for rotor hoisting laser alignment of claim 1, wherein: the supporting mechanism comprises at least three supporting rods (13), and the supporting rods (13) are of a threaded sleeve structure; the end part of the supporting rod (13) is connected with a rubber pad (14) which is in interference fit with the inner wall of the stator.
4. A tunable target for rotor hoisting laser alignment according to claim 3, wherein: the front section of the inner tube (2) of the threaded sleeve is provided with external threads which are in threaded connection with the outer tube (3), and the smooth surface of the rear section of the inner tube (2) is provided with scales (4).
5. The tunable target for rotor hoisting laser alignment of claim 1, wherein: the inner diameter of the target ring (1) is larger than the diameter of the rotor, and the circle center of the target ring (1) coincides with the circle center of the preset position when the rotor is hoisted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321069322.2U CN220033820U (en) | 2023-05-06 | 2023-05-06 | Adjustable target for rotor hoisting laser alignment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321069322.2U CN220033820U (en) | 2023-05-06 | 2023-05-06 | Adjustable target for rotor hoisting laser alignment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220033820U true CN220033820U (en) | 2023-11-17 |
Family
ID=88732830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321069322.2U Active CN220033820U (en) | 2023-05-06 | 2023-05-06 | Adjustable target for rotor hoisting laser alignment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220033820U (en) |
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2023
- 2023-05-06 CN CN202321069322.2U patent/CN220033820U/en active Active
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