CN110454331B - Laser regulation and control system and fan blade installation method - Google Patents
Laser regulation and control system and fan blade installation method Download PDFInfo
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- CN110454331B CN110454331B CN201910799230.1A CN201910799230A CN110454331B CN 110454331 B CN110454331 B CN 110454331B CN 201910799230 A CN201910799230 A CN 201910799230A CN 110454331 B CN110454331 B CN 110454331B
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- laser
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- fan
- receiving module
- adjusting device
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/10—Assembly of wind motors; Arrangements for erecting wind motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2270/00—Control
- F05B2270/80—Devices generating input signals, e.g. transducers, sensors, cameras or strain gauges
- F05B2270/804—Optical devices
- F05B2270/8042—Lidar systems
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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
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The invention relates to a laser regulation and control system and a fan blade installation method. S1: one of the laser receiving module and the laser emitting module is arranged on the fan blade, the other one of the laser receiving module and the laser emitting module is arranged at the corresponding position of the fan hub, and the mobile monitoring device is arranged on the fan blade; s2: hoisting the fan blade to a height position corresponding to the fan hub by using an adjusting device; s3: the fan blade is moved towards the direction with stronger laser intensity through the adjusting device, and when the laser intensity information is weakened or cut off in the moving process, the position of the fan blade is corrected in a mode of reversely adjusting the moving direction of the fan blade; s4: the fan blades are butted on the fan hub through the adjusting device. By adopting the installation method, the displacement deviation of the fan blade is always in a smaller range, the problem that the moving distance is not easy to control when the movement is observed by human eyes is solved, the adjustment efficiency is improved, and the installation time of the fan blade is shortened.
Description
Technical Field
The invention relates to the technical field of wind power equipment installation, in particular to a laser regulation and control system and a fan blade installation method.
Background
In recent years, with the increased importance of ecological environment protection, various green and environment-friendly novel energy sources have been developed greatly. The novel energy mainly comprises solar energy, geothermal energy, wind energy and hydroenergy, wherein the wind energy is mainly utilized through wind power equipment. At present, wind power equipment is mainly a large-scale power generation fan, and because the size of the power generation fan is huge, the installation of the power generation fan can be completed only through special hoisting equipment, so that the installation of the power generation fan is difficult.
Particularly, in the installation process of the fan blade, on one hand, the difficulty in adjusting the position of the fan blade is increased due to the large volume of the fan blade; on the other hand receives the influence of surrounding environment, and fan blade can frequent emergence slight removal, and the change of position is difficult to only rely on in time the perceiving of naked eye to the lifting worker at the in-process of hoist and mount to cause the condition of fan blade installation dislocation very easily, can lead to the damage of fan blade butt joint department even when serious, cause huge economic loss. In addition, because the power generation fan is usually arranged in an area rich in wind energy, the power generation fan often encounters the condition of sudden change of wind direction in the installation process, so that the installation of the power generation fan needs to have higher installation efficiency in order to avoid the condition as much as possible, but in the prior art, due to the fact that the position of a fan blade needs to be continuously adjusted by lifting personnel, the problems of slow installation process and low efficiency mostly exist in the installation of the existing power generation fan.
Disclosure of Invention
The invention provides a laser regulation and control system which is used for solving the technical problems that in the prior art, the installation of fan blades is low in efficiency and cannot be controlled precisely. The invention also provides a fan blade installation method applying the laser regulation and control system.
The laser regulation and control system adopts the following technical scheme:
a laser regulation and control system comprises an adjusting device, a control device, a mobile monitoring device and a laser alignment device, wherein the adjusting device is used for adjusting the position of a component to be installed so that the component to be installed can be installed on a corresponding fixed component;
the adjusting device is electrically connected with the control device, and the laser receiving module and the mobile monitoring device are in data transmission connection with the control device through a wire or wireless transmission device;
the mobile monitoring device is used for being arranged on the adjusting device and monitoring the displacement direction information of the adjusting device; the laser receiving module is used for receiving the laser emitted by the laser emitting module and transmitting the received laser light intensity information to the control device; the control device corrects the adjustment direction of the adjustment device according to the received displacement direction information and the received laser intensity information so that the component to be installed can be accurately butted on the fixed component.
Has the advantages that: by adopting the laser regulation and control system, the moving direction of the part to be installed can be monitored through the light intensity information received by the laser receiving module in the installation process, so that the displacement deviation of the part to be installed can be corrected in time, the condition that the displacement deviation of the part to be installed is larger is avoided, the adjustment process is more accurate and efficient, the installation quality is ensured, and the installation efficiency is improved.
Further, the adjusting device is a hoisting device. The beneficial effects are as follows: the part to be installed can be lifted to a higher height, and the installation requirement of a higher position is met.
Further, the lifting height monitoring device is used for monitoring the lifting height of the to-be-installed component and is electrically connected with the control device. The beneficial effects are as follows: the height monitoring device can adjust the lifting height of the to-be-installed component, so that the height position of the to-be-installed component is more refined and visualized.
Further, the height monitoring device is a laser distance measuring device or an ultrasonic distance measuring device.
Further, the movement monitoring device is an accelerometer or a gyroscope.
Further, the laser alignment device includes a power supply battery.
The fan blade mounting method adopts the following technical scheme:
the fan blade mounting method comprises the following steps:
s1: one of the laser receiving module and the laser emitting module is arranged on the fan blade, the other one of the laser receiving module and the laser emitting module is arranged at the corresponding position of the fan hub, and the mobile monitoring device is arranged on the fan blade;
s2: hoisting the fan blade to a height position corresponding to the fan hub by using an adjusting device;
s3: the fan blade is moved towards the direction with stronger laser intensity through the adjusting device, and when the laser intensity information is weakened or cut off in the moving process, the position of the fan blade is corrected in a mode of reversely adjusting the moving direction of the fan blade;
s4: and (8) repeating the step (S3) until the size of the received laser spot is consistent with the diameter of the laser receiving module probe, and butting the fan blade on the fan hub through the adjusting device.
Has the advantages that: by adopting the fan blade mounting method, the displacement deviation of the fan blade in the mounting process can be reflected in time through the received light intensity information, so that more visual and clear information is provided for field operators, the displacement deviation of the fan blade is always in a smaller range, the problem that the moving distance is not easy to control when the fan blade is observed to move through human eyes is solved, the displacement precision of the fan blade is improved, the adjusting efficiency is improved, and the mounting time of the fan blade is shortened.
Further, the fan blade is installed on the fan hub through a threaded connection structure, the threaded connection structure comprises a threaded column and a threaded hole, one of the laser receiving module and the laser emitting module is installed on the threaded column, and the other one of the laser receiving module and the laser emitting module is installed in the corresponding threaded hole. The beneficial effects are as follows: the accuracy of laser receiving module and laser emission module installation has been improved, has avoided laser receiving module and laser emission module to have great deviation often to lead to the relatively poor condition of butt joint precision, in addition, has still improved the installation effectiveness of laser receiving module and laser emission module for the mounted position can be confirmed fast.
Furthermore, a plurality of pairs of laser receiving modules and laser emitting modules are arranged on the fan blade and the fan hub, and each laser receiving module and each laser emitting module are assembled in the threaded column or the threaded hole. The beneficial effects are as follows: the accuracy of the butt joint of the fan blade and the fan hub is further ensured.
Further, in step S2, the hoisting height of the fan blade is monitored by a height monitoring device. The beneficial effects are as follows: the fan blade is convenient to adjust to the height position corresponding to the fan hub quickly.
Drawings
FIG. 1 is a schematic control flow diagram of an embodiment of a laser regulation system of the present invention;
FIG. 2 is a method step schematic diagram of an embodiment of a method of installing a fan blade of the present disclosure;
FIG. 3 is a schematic illustration of a laser alignment device mounting location of an embodiment of a fan blade mounting method of the present invention.
The reference numerals are explained below:
1-fan blade, 2-fan hub, 3-threaded column, 4-threaded hole, 5-laser emission module and 6-laser receiving module.
Detailed Description
To better illustrate the objects, technical solutions and advantages of the present invention, the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
The embodiment of the laser regulation and control system of the invention comprises the following steps:
as shown in fig. 1, the laser regulation and control system includes an adjusting device, a control device, a mobile monitoring device and a laser alignment device, wherein the adjusting device is used for adjusting the position of the component to be mounted so that the component to be mounted can be mounted on the corresponding fixed component, the laser alignment device includes a laser receiving module and a laser emitting module, one of the laser receiving module and the laser emitting module is mounted on the component to be mounted, and the other is mounted on the fixed component;
the adjusting device is electrically connected with the control device, and the laser receiving module and the mobile monitoring device are in data transmission connection with the control device through a wire or wireless transmission device;
the mobile monitoring device is used for being arranged on the adjusting device and monitoring the displacement direction information of the adjusting device; the laser receiving module is used for receiving the laser emitted by the laser emitting module and transmitting the received laser light intensity information to the control device; the control device corrects the adjustment direction of the adjustment device according to the received displacement direction information and the received laser intensity information so that the component to be installed can be accurately butted on the fixed component.
Specifically, in the present embodiment, the to-be-mounted component is a fan blade, and the fixing component is a fan hub. In this embodiment, the control device is a PLC single-chip microcomputer system, and the adjusting device is a hoisting device, and the hoisting device is specifically a large crane. The laser alignment device comprises a laser emitting module for emitting laser and a laser receiving module for receiving the laser. The mobile monitoring device is an accelerometer, and in other embodiments, the mobile monitoring device may also be a gyroscope or the like.
The laser control system in this embodiment further includes a height monitoring device, and the height monitoring device is a laser ranging device, and may also be an ultrasonic ranging device in other embodiments. The height monitoring device can measure the lifting height of the part to be installed, and the height of the fan hub can be known in advance, so that the height of the fan blade can be measured after the fan blade reaches the corresponding position, and the fan blade is ensured to be lifted to the corresponding height.
Laser emission module installs on fan blade in this embodiment, and laser receiving module installs on fan wheel hub, and laser emission module includes circuit board, Laser Diode (LD), Photodiode (PD), focusing lens, first wireless transmission chip etc. in this embodiment. Since the accelerometer is also required to be mounted on the fan blade, the laser receiving module and the accelerometer are integrally provided in the present embodiment. In this embodiment, the laser receiving module also includes a second wireless transmission chip. Since the laser emitting module and the laser receiving module are both common modules in the prior art, the detailed description of the specific structural configurations of the two modules is omitted in this embodiment. In the embodiment, the accelerometer and the laser emission module are in data transmission connection with the control device through the first wireless transmission chip, and in other embodiments, the accelerometer and the laser emission module are in data transmission connection with the control device through different wireless transmission devices. In this embodiment, the laser receiving module is connected to the control device through a second wireless transmission chip. The first wireless transmission chip and the second wireless transmission chip each constitute a wireless transmission device in this embodiment.
In this embodiment, the accelerometer is used for transmitting the displacement direction information of the fan blade to the control device, so that the control device can know the displacement direction of the fan blade in real time. Laser receiving module is used for conveying laser light intensity information to controlling means in this embodiment, and controlling means can be to the real-time analysis judgement of the laser light intensity information of receipt, and when laser light intensity information weakened, controlling means can combine the moving direction of accelerometer to regulate and control hoist device this moment to make fan blade carry out displacement adjustment along the opposite direction with accelerometer monitoring direction. The position of the fan blade is continuously adjusted, so that the size of a light spot received by the laser receiving module is basically consistent with the diameter of the laser receiving module probe, and at the moment, the fan blade and the fan hub can be accurately butted by controlling the adjusting device.
It should be noted that, because the laser beam has a certain angular divergence characteristic, and the cross-sectional intensity of the laser spot is gaussian distributed, the central position of the laser beam is generally regarded as the strongest position of the light intensity, and in addition, because the laser beam is closer to the laser emitting module, the divergence effect of the laser beam is smaller, the control device adjusts the fan blade by continuously adjusting the fan blade around the center line of the laser beam and continuously moving the laser emitting module and the laser receiving module closer to each other.
The embodiment of the fan blade installation method of the invention comprises the following steps:
as shown in fig. 2 and 3, the installation method of the fan blade includes the following steps:
s1: one of the laser receiving module 6 and the laser emitting module 5 is installed on the fan blade 1, the other one is installed at the corresponding position of the fan hub 2, and the mobile monitoring device is installed on the fan blade 1.
Specifically, laser receiving module 6 and laser emitting module 5 all have many pairs in this embodiment, and each laser receiving module 6 all installs on fan wheel hub 2, and each laser emitting module 5 all installs on fan blade 1. As shown in fig. 3, in this embodiment, the fan hub 2 and the fan blade 1 are fixed by a threaded connection structure, the threaded connection structure includes a threaded post 3 and a threaded hole 4, six threaded holes 4 are provided on the fan hub 2 in this embodiment, and six threaded posts 3 are correspondingly provided on the fan blade 1. Six screw holes 4 are equally spaced along the circumferential direction of fan hub 2, and similarly, six screw posts 3 are also equally spaced along the circumferential direction on the corresponding connection end face of fan blade 1. In this embodiment, three pairs of laser receiving modules 6 and three laser emitting modules 5 are provided, the three laser receiving modules 6 are respectively disposed in the three threaded holes 4 distributed in a triangular manner, and correspondingly, the three laser emitting modules 5 are respectively disposed at the ends of the three corresponding threaded columns 3. It should be noted that, in fig. 3, three black dots on the fan blade each represent a laser emitting module 5, and three black dots on the fan hub 2 each represent a laser receiving module 6. In other embodiments, the threaded holes 4 may be provided with more than three, for example, the number of threaded holes 4 is three, four, five, six, etc. The laser emitting modules 5 and the laser receiving modules 6 may also be provided with more than three pairs, for example, five pairs, six pairs, seven pairs, and the like, and it should be noted that, when five pairs are provided, the arrangement modes of the laser emitting modules 5 and the laser receiving modules are all pentagonal; when the number of the pairs is six, the arrangement modes of the laser emitting modules 5 and the laser receiving modules are all hexagonal.
S2: hoisting the fan blade 1 to a height position corresponding to the fan hub 2 by using an adjusting device;
specifically, the adjusting device in this embodiment is a large crane, before installation, the fan hub 2 is lifted to the fan support tower in a lifting manner and is fixedly installed, and then the fan blade 1 is lifted to the position of the height corresponding to the fan hub 2 by the crane. It should be noted that, in this embodiment, in the process of lifting the fan blade 1, the lifting height of the fan blade 1 is monitored by the height monitoring device, in this embodiment, the height monitoring device is a laser distance measuring device, the laser distance measuring device can measure the distance between the fan blade 1 and the bottom end of the fan support tower, and when the measured distance is substantially consistent with the height of the fan hub 2, it can be determined that the fan blade is lifted to a corresponding height position.
S3: the fan blade 1 is moved towards the direction with stronger laser intensity through the adjusting device, and when the laser intensity information is weakened or cut off in the moving process, the position of the fan blade 1 is corrected in a mode of reversely adjusting the moving direction of the fan blade 1;
specifically, in this embodiment, after the fan blade 1 is lifted to a corresponding height position, each laser emitting module 5 and each laser receiving module 6 are started, because the laser beam has divergence, when the fan blade 1 is far away from the fan hub 2, the diameter of a light spot irradiated by the laser beam on the fan hub 2 is large, the corresponding laser receiving module 6 is covered in the corresponding light spot by moving the control adjusting device, because the light intensity at the center line of the laser beam is strong, and the divergence of the laser beam is smaller and stronger at a position closer to the laser emitting module 5, the control device can draw the fan blade 1 closer to the center line position of the light beam by controlling the control adjusting device in the installation process, and can push the fan blade 1 toward the fan hub 2. In the installation, because the strong wind or regulate and control when too big displacement deviation appears in fan blade 1, laser receiving device can receive the laser light intensity signal that the light intensity diminishes this moment, and after controlling means received the laser light intensity signal that diminishes, controlling means can control adjusting device and remove to opposite direction to the realization is to the correction of fan blade 1 displacement deviation. It should be noted that the accelerometer can monitor the displacement direction of the fan blade 1 in real time, and when a large displacement deviation occurs in the fan blade 1, the control device can operate the adjusting device to move in the direction opposite to the direction in which the accelerometer monitors the displacement, so as to correct the position of the fan blade.
S4: and (5) repeating the step (S3) until the size of the received laser spot is consistent with the diameter of the probe of the laser receiving module 6, and butting the fan blade 1 on the fan hub 2 through the adjusting device.
Specifically, as the laser emitting module 5 and the laser receiving module 6 are continuously close to each other, the diameter of the laser beam received by the laser receiving module 6 is gradually reduced, and when the spot size of the laser beam is consistent with the diameter of the probe of the laser receiving module 6 (it should be noted that, in this embodiment, the spot size of the laser beam is consistent with the diameter of the probe of the laser receiving module 6, which means approximately consistent, and the difference between the spot diameter and the probe diameter is considered consistent within a certain threshold), it can be determined that the fan blade 1 and the fan hub 2 are basically butted, and then each threaded post 3 of the fan blade 1 is inserted into a corresponding threaded hole 4 by operating the adjusting device, so that the fan blade is installed. In this embodiment, it should be noted that
The foregoing embodiments have been described primarily for the purposes of illustrating the general principles, and features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (10)
1. A laser regulation and control system is characterized in that: the device comprises an adjusting device, a control device, a mobile monitoring device and a laser alignment device, wherein the adjusting device is used for adjusting the position of a component to be mounted so that the component to be mounted can be mounted on a corresponding fixed component;
the adjusting device is electrically connected with the control device, and the laser receiving module and the mobile monitoring device are in data transmission connection with the control device through a wire or wireless transmission device;
the mobile monitoring device is used for being arranged on the adjusting device and monitoring the displacement direction information of the adjusting device; the laser receiving module is used for receiving the laser emitted by the laser emitting module and transmitting the received laser light intensity information to the control device; the control device corrects the adjustment direction of the adjustment device according to the received displacement direction information and the received laser intensity information so that the component to be installed can be accurately butted on the fixed component.
2. The laser regulation system of claim 1, wherein: the adjusting device is a hoisting device.
3. The laser regulation system of claim 2, wherein: the lifting height monitoring device is used for monitoring the lifting height of the to-be-installed part and is electrically connected with the control device.
4. The laser regulation system of claim 3, wherein: the height monitoring device is a laser distance measuring device or an ultrasonic distance measuring device.
5. The laser regulation system of any one of claims 1 to 4, wherein: the mobile monitoring device is an accelerometer or a gyroscope.
6. The laser regulation system of any one of claims 1 to 4, wherein: the laser alignment device includes a power supply battery.
7. The fan blade mounting method is characterized by comprising the following steps:
s1: one of the laser receiving module and the laser emitting module is arranged on the fan blade (1), the other one of the laser receiving module and the laser emitting module is arranged at the corresponding position of the fan hub (3), and the mobile monitoring device is arranged on the fan blade (1);
s2: hoisting the fan blade (1) to a height position corresponding to the fan hub (3) by using an adjusting device;
s3: the fan blade (1) is moved towards the direction with stronger laser intensity through the adjusting device, and when the laser intensity information is weakened or cut off in the moving process, the position of the fan blade (1) is corrected in a mode of reversely adjusting the moving direction of the fan blade (1);
s4: and (5) repeating the step (S3) until the size of the received laser spot is consistent with the diameter of the laser receiving module probe, and butting the fan blade (1) on the fan hub (3) through the adjusting device.
8. The fan blade mounting method of claim 7, wherein: fan blade (1) is installed on fan wheel hub (3) through threaded connection structure, threaded connection structure includes screw thread post (2) and screw hole (4), and one of them of laser receiving module and laser emission module is installed on screw thread post (2), and another is installed in screw hole (4) that correspond.
9. The fan blade mounting method of claim 8, wherein: a plurality of pairs of laser receiving modules and laser emitting modules are arranged on the fan blade (1) and the fan hub (3), and each laser receiving module and each laser emitting module are assembled in the threaded column (2) or the threaded hole (4).
10. The fan blade mounting method of claim 7, wherein: in step S2, the height of the fan blade (1) to be lifted is monitored by a height monitoring device.
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| CN201910799230.1A CN110454331B (en) | 2019-08-27 | 2019-08-27 | Laser regulation and control system and fan blade installation method |
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| CN201910799230.1A CN110454331B (en) | 2019-08-27 | 2019-08-27 | Laser regulation and control system and fan blade installation method |
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| CN111702688B (en) * | 2020-06-03 | 2021-11-19 | 中国电建集团中南勘测设计研究院有限公司 | Positioning device for fan blade assembling space |
| CN112010167B (en) * | 2020-08-26 | 2022-04-26 | 福建金风科技有限公司 | Control method and system for blade lifting appliance |
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| CN201109688Y (en) * | 2008-02-22 | 2008-09-03 | 高旭 | Hoisting hanging high speed energy-saving safety operating control system for container |
| CN103913734A (en) * | 2014-03-28 | 2014-07-09 | 中国科学院上海技术物理研究所 | Non-cooperative target laser-bounce projection center alignment method |
| EP3413087A4 (en) * | 2016-02-05 | 2019-01-16 | Mitsubishi Electric Corporation | Laser radar device and wind turbine control system |
| CN206000683U (en) * | 2016-08-31 | 2017-03-08 | 北京金风科创风电设备有限公司 | Aligning device and alignment system |
| JP2018065159A (en) * | 2016-10-18 | 2018-04-26 | 株式会社ブイ・テクノロジー | Laser lift-off apparatus and laser lift-off method |
| CN108381161B (en) * | 2018-01-18 | 2019-07-16 | 北京卫星环境工程研究所 | Satellite cabin based on laser level correction lifts interconnection method |
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