Vibration simulation testing device for wind power slip ring encoder
Technical Field
The utility model relates to a wind-powered electricity generation sliding ring test equipment technical field specifically is a wind-powered electricity generation sliding ring encoder vibration emulation testing arrangement.
Background
The existing wind power slip ring encoder is installed on a slip ring, and a slip ring main shaft is connected with a main engine gear box shaft to realize rotation. A limiting plate is connected outside the slip ring shell to prevent the shell from deflecting. In practical application, certain vibration exists when the gear box shaft rotates, so that the vibration is transmitted to the slip ring by the gear box, and the slip ring transmits the vibration to the encoder. The encoder is a precise rotating speed measuring device, the fan unit carries out rotating speed monitoring by sampling pulses output by the encoder, and alarm shutdown is carried out when the monitoring value is out of tolerance.
The slip ring encoder usually has the problem of failure reporting in the process of field installation of the wind power slip ring, and the main failure reporting factor of the slip ring encoder is caused by the vibration of a set and the loose connection of the encoder. The existing wind power slip ring encoder detection operation is to test under stable rotation or test an encoder independently when leaving a factory, and the test operation cannot be carried out according to the actual working condition of an installation on site, so that the problems do not exist during the factory test and occur during the field installation; therefore, in order to effectively and quickly solve the problem of failure reporting of the encoder fed back on site, a device capable of simulating the site working condition to carry out vibration simulation test on the wind power slip ring encoder is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a wind-powered electricity generation sliding ring encoder vibration simulation testing arrangement to the wind-powered electricity generation sliding ring that proposes among the above-mentioned background art is solved and sliding ring encoder newspaper trouble problem appears when the on-the-spot installation.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a wind-powered electricity generation sliding ring encoder vibration emulation testing arrangement, includes the vibration generator that sets up at the bottom level, the fixed transmission support that is provided with on vibration generator's the top surface, the vertical backup pad that is provided with two parallels each other on the transmission support, be provided with coaxial bearing in the embedding of same high department on two backup pads, two bearings are provided with the horizontally transmission shaft jointly, the left end of transmission shaft is connected with driving motor, right-hand member through the shaft coupling and is connected with the wind-powered electricity generation sliding ring that waits to detect, the right-hand member of wind-powered electricity generation sliding ring is connected with the encoder, the encoder is electric connection respectively has encoder power supply and oscilloscope.
Furthermore, the right end of the shell of the driving motor is fixedly connected to the transmission support through a connecting support.
Furthermore, the wind power slip ring comprises an inner slip ring rotor part and a rotor connector arranged at the left end of the inner slip ring rotor part, the rotor connector is fixedly connected with the transmission shaft, a slip ring stator part and a slip ring shell part are arranged on the outer side of the slip ring rotor part of the wind power slip ring, and the slip ring shell part is fixedly connected with the transmission support through a rotation limiting device.
Preferably, the vibration speed and the vibration acceleration of the vibration generator are adjustable.
Preferably, the driving motor is a speed regulating motor and is electrically connected with a motor speed regulator through a lead.
Preferably, the drive motor is used in conjunction with the vibration generator.
Furthermore, a multi-channel encoder interface is arranged on a connecting cable between the encoder and the oscilloscope.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model provides a wind-powered electricity generation sliding ring encoder vibration emulation testing arrangement utilizes motor and vibration generator simulation actual work's environment, can simulate on-the-spot operating mode and test the encoder, can test out the connection influence between sliding ring and the encoder through the test;
2. the utility model is also provided with a multi-channel encoder interface, which is convenient for connecting various encoder channels for detection and can test the sensitivity of different encoders to vibration;
3. the utility model has simple integral design, compact structure, relatively low cost and high stability;
4. the utility model discloses the test of the various wind-powered electricity generation sliding rings of especially adapted same trade is used, and the simulation site environment investigation encoder trouble of being convenient for discovers the problem fast and solves the problem, reduces troubleshooting time.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view;
FIG. 3 is a schematic diagram of a multi-channel encoder;
in the figure: the device comprises a driving motor 1, a coupler 2, a transmission support 3, a transmission shaft 31, a rotation limiting device 4, a wind power slip ring 5, a rotor connector 51, a slip ring shell 52, an encoder 6, a multichannel encoder interface 61, a motor speed regulator 7, a vibration generator 8, an encoder power supply 9 and an oscilloscope 10.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiments of the present invention is described below clearly and completely with reference to the accompanying drawings and the specific embodiments.
Referring to fig. 1-3, fig. 1 is a schematic structural view of the present invention; FIG. 2 is a front view; FIG. 3 is a schematic diagram of a multi-channel encoder.
The utility model provides a vibration simulation testing device for a wind power slip ring encoder, which is used for simulation testing before the wind power slip ring leaves a factory; the vibration testing device comprises a vibration generator 8 which is horizontally arranged at the bottom, is used as a supporting base of the whole testing device, also provides a vibration source for the whole testing device, is used for simulating the vibration of a wind power slip ring installation site, and a transmission bracket 3 is fixedly arranged on the top surface of the vibration generator 8, and can simulate a site environment to directly transmit the vibration to the transmission bracket 3; the utility model discloses a wind power slip ring, including transmission bracket 3, transmission shaft 31, shaft coupling 2, wind power slip ring 5, encoder 6, transmission bracket 3, coaxial bearing, horizontal transmission shaft 31, transmission shaft 31's left end is connected with driving motor 1, the right-hand member is connected with the wind power slip ring 5 that waits to detect through driving motor 1, the right-hand member of wind power slip ring 5 is connected with encoder 6 for the running data of real-time recording wind power slip ring 5.
The coupling 2 is used, so that the influence of the vibration of the driving motor 1 in the driving rotation on the wind power slip ring 5 is avoided, and the actual effect of the detection on the wind power slip ring is guaranteed.
The vibration speed and the vibration acceleration of the vibration generator 8 are adjustable, and when the wind power slip ring is used, various on-site vibrations and on-site vibration accelerations can be simulated, so that the running effect of the wind power slip ring 5 under various vibration speed and acceleration conditions can be detected.
The right end of the shell of the driving motor 1 is fixedly connected to the transmission bracket 3 through a connecting bracket; the wind power slip ring 5 comprises a slip ring rotor part on the inner side, and a rotor connector 51 is arranged at the left end of the slip ring rotor part, and the rotor connector is fixedly connected with the transmission shaft 31, so that the driving motor 1 can drive the wind power slip ring rotor part to rotate; the wind power slip ring 5 is provided with a slip ring stator part and a slip ring housing part 52 at the outer side of a slip ring rotor part, and the slip ring housing part 52 is fixedly connected with the transmission bracket 3 through a rotation limiting device 4.
The driving motor 1 is a speed regulating motor and is electrically connected with a motor speed regulator 7 through a lead, the rotating speed of the driving motor 1 can be flexibly regulated and controlled through the motor speed regulator 7, and further the rotating speed of the wind power slip ring 5 can be controlled, so that the change of the output waveform of the encoder 6 when different wind power slip rings 5 are at different rotating speeds can be compared; meanwhile, the driving motor 1 can be used in cooperation with the vibration generator 8, so that various field vibration effects can be simulated, and the simulation detection of the wind power slip ring 5 is closer to the field vibration.
The encoder 6 is electrically connected with an encoder power supply 9 and an oscilloscope 10 respectively, the encoder power supply 9 provides continuous electric power support for the encoder 6, and the oscilloscope 10 can display and record waveforms output by the encoder 6 in real time and can provide data support for test structure judgment for detection personnel.
A multi-channel encoder interface 61 is arranged on a connecting cable between the encoder 6 and the oscilloscope 10, and the encoders 6 of various types can be connected with the oscilloscope 10 through the multi-channel encoder interface 61, so that encoder channels of various specifications can be connected for detection operation.
The utility model provides a wind-powered electricity generation sliding ring encoder vibration simulation testing arrangement utilizes motor and vibration generator simulation actual work's environment, can simulate on-the-spot operating mode and test the encoder, can test out the connection influence between sliding ring and the encoder through the test; meanwhile, the multi-channel encoder interface is convenient to connect various encoder channels for detection, and the sensitivity of different encoders to vibration can be tested; the utility model has simple integral design, compact structure, relatively low cost and high stability; the device is very suitable for testing various wind power slip rings in the same industry, facilitates simulating the field environment to troubleshoot the faults of the encoder, quickly finds the problems and solves the problems, and reduces troubleshooting time.
While embodiments of the invention have been illustrated and described, it is to be understood that the embodiments described are only some of the embodiments of the invention and not all of them. Based on the embodiments of the present invention, it can be understood to those skilled in the art that all other embodiments obtained by making various changes, modifications, substitutions and alterations to these embodiments without making creative work under the condition of not departing from the principle and spirit of the present invention belong to the protection scope of the present invention.