CN220227084U

CN220227084U - Inside removal monitoring devices of fan blade

Info

Publication number: CN220227084U
Application number: CN202321828076.4U
Authority: CN
Inventors: 王柳璎; 毕俊喜; 周燕; 葛新宇; 王妍; 刘飞; 祁晓
Original assignee: Inner Mongolia University of Technology
Current assignee: Inner Mongolia University of Technology
Priority date: 2023-07-12
Filing date: 2023-07-12
Publication date: 2023-12-22
Anticipated expiration: 2033-07-12

Abstract

The utility model discloses a mobile monitoring device for the inside of a fan blade, which comprises a blade, wherein at least one cavity is arranged in the blade, two limit baffles are arranged on the lower surface of the inner side of the top of the cavity along the length direction of the blade, a plurality of guide rails are spliced between the two limit baffles through T-shaped connectors and bolts, a sliding mechanism is arranged on the guide rails in a sliding manner, a monitoring mechanism is arranged on the lower surface of the sliding mechanism, a magnetic charger is arranged on one of the limit baffles, the magnetic charger is electrically connected with an engine on the fan, and the magnetic charger is used for charging a battery at the top of the sliding mechanism; the monitoring mechanism collects the position, damage data and environment data of the damage inside the blade, after the collection is completed, signals are transmitted to the data center, workers can analyze the damage of the blade through the terminal, and a maintenance plan is arranged, so that the maintenance amount of the workers is reduced, and the problem of high cost of data collection equipment is solved.

Description

Inside removal monitoring devices of fan blade

Technical Field

The utility model relates to the field of fan blade monitoring, in particular to a device for monitoring movement of the inside of a fan blade.

Background

Wind power generation is one of the most promising power generation modes in the new energy field, and is an important industrial prop for new energy worldwide. The working environment of the fan blade in the service period is complex and changeable, and the fan blade is often subjected to various stress load actions, so that the fault mode of the fan blade is characterized by complexity, concealment and the like, the fan blade is extremely easy to damage, the accumulated damage often leads to the breakage of the blade, the whole wind turbine is collapsed, and huge economic loss and even casualties are caused.

The problems existing at present are: the fan blade is usually higher from ground, therefore, the inside damage of fan blade can not observe through the naked eye, can only know inside damage with the help of relevant sensor, and shortcoming such as damage position ambiguity, damage characteristic are not bright very easily appear.

Disclosure of Invention

The utility model aims to provide a device for monitoring movement of the inside of a fan blade, so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a fan blade inside removes monitoring devices, includes the blade, be provided with at least one cavity in the blade cavity top inboard lower surface is followed blade length direction installs two limit baffle, two connect through T shape connecting piece, bolt between the limit baffle with a plurality of guide rails splice, it is provided with slide mechanism to slide on the guide rail, slide mechanism's lower surface mounting has monitoring facilities, one of them install magnetism on the limit baffle and inhale the charger, magnetism is inhaled the engine electric connection on charger and the fan, magnetism is inhaled the charger and is used for right the battery at slide mechanism top charges.

Preferably, the clamping groove for fixing the T-shaped connecting piece through bolts is formed in the end face of one side of the guide rail, the slot for inserting the T-shaped connecting piece is formed in the other side of the guide rail, two adjacent guide rails are fixedly connected through bolts after being inserted through the T-shaped connecting piece, and the like, a plurality of guide rails are spliced through the T-shaped connecting piece in an end-to-end mode, and two guide rails at the edge are correspondingly connected with the limit baffle through bolts.

Preferably, the sliding mechanism comprises a U-shaped sliding block, a battery and two driving motors; the battery is installed at the top of U-shaped slider, U-shaped slider is located the battery below is relative the both sides of guide rail all are fixed with driving motor, every driving motor's output shaft is last all to be fixed with the walking wheel, the walking wheel removes the upper surface of guide rail.

Preferably, the battery is electrically connected with the two driving motors and the monitoring mechanism respectively.

Compared with the prior art, the utility model has the beneficial effects that: the monitoring mechanism of the utility model collects the position, damage data and environment data of the damage inside the blade, transmits signals to the data center after the collection is completed, and staff can analyze the damage of the blade through the terminal and arrange an overhaul plan, thereby reducing the maintenance amount of the staff, solving the problem of high cost of data collection equipment, prolonging the service life of the blade, solving the problem of internal overhaul shutdown and increasing the utilization efficiency of wind energy.

Drawings

FIG. 1 is a schematic illustration of the use of the present utility model;

FIG. 2 is a schematic diagram of the main structure of the present utility model;

FIG. 3 is a cross-sectional view at A in FIG. 2;

fig. 4 is a reference view of the use of the guide rail and T-shaped connector.

In the figure: 1. blade, 1.1, cavity, 2, limit baffle, 3, T shape connecting piece, 4, guide rail, 4.1, draw-in groove, 4.2, slot, 5, slide mechanism, 5.1, U shape slider, 5.2, battery, 5.3, driving motor, 5.31, walking wheel, 6, monitoring mechanism, 7, magnetism inhale the charger.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a fan blade inside removes monitoring devices, includes blade 1, is provided with at least one cavity 1.1 in the blade 1, and monitoring mechanism 6 is installed according to the independent cavity 1.1 quantity of fan blade to realize the omnidirectional monitoring. Two limit baffles 2 are arranged on the lower surface of the inner side of the top of each cavity 1.1 along the length direction of the blade 1, a plurality of guide rails 4 are spliced between the two limit baffles 2 through a T-shaped connecting piece 3 and bolts, a sliding mechanism 5 is arranged on the guide rails 4 in a sliding manner, a monitoring mechanism 6 is arranged on the lower surface of the sliding mechanism 5, the monitoring mechanism 6 is used for monitoring the internal state of the blade 1, and the monitoring mechanism 6 can be an image monitoring device (such as a camera, etc.), a temperature measuring device, a laser ranging device, a thermal infrared imager, an ultrasonic detecting device, a sensor, etc., so as to collect images or data of damage images, temperature, pressure, etc. of the interior of the blade; the monitoring mechanism 6 can transmit data information outwards in the form of a wireless local area network, and when damage parameters in the blade occur, an early warning signal is sent to the data center, and a maintenance plan is arranged according to the damage size through the data center. One of the limit baffles 2 is provided with a magnetic suction charger 7, the magnetic suction charger 7 is electrically connected with an engine on the fan, and the battery 5.2 at the top of the sliding mechanism 5 is charged by using the magnetic suction charger 7 through the engine as a power supply.

The draw-in groove 4.1 that is used for bolt fastening T shape connecting piece 3 has been seted up to guide rail 4 one side terminal surface, and slot 4.2 that is used for pegging graft T shape connecting piece 3 has been seted up to guide rail 4's opposite side, and two adjacent guide rails 4 pass through bolt fastening connection after pegging graft through T shape connecting piece 3, and so on, and a plurality of guide rails 4 all adopt the mode of ending to splice through T shape connecting piece 3, and two guide rails 4 at the edge correspond and limit baffle 2 fixed connection through the bolt.

The sliding mechanism 5 comprises a U-shaped sliding block 5.1, a battery 5.2 and two driving motors 5.3; the battery 5.2 is installed at the top of U shape slider 5.1, and U shape slider 5.1 is located battery 5.2 below and all is fixed with driving motor 5.3 relative to the both sides of guide rail 4, all is fixed with walking wheel 5.31 on the output shaft of every driving motor 5.3, and walking wheel 5.31 removes the upper surface at guide rail 4.

The battery 5.2 is electrically connected with the two driving motors 5.3 and the monitoring mechanism 6 respectively, and a remote controller can be arranged in the driving motors 5.3 to control the movement of the driving motors by remote control.

The working principle of the utility model is as follows: when the device is used, the sliding mechanism 5 drives the monitoring mechanism 6 to move along the guide rail 4, when damage is found, information such as damage information is shot, scanned, position signals and the like through the monitoring mechanism 6 is transmitted to the data center, and staff can analyze damage to the blades through the terminal and determine whether to arrange a maintenance plan.

When the monitoring mechanism 6 is not in use or in a power failure state, the sliding mechanism 5 drives the monitoring mechanism 6 to move to the magnetic charger 7 along the guide rail 4, and the magnetic charger 7 fixes the sliding mechanism 5 and charges the monitoring mechanism 6.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fan blade inside removes monitoring devices, includes blade (1), be provided with at least one cavity (1.1) in blade (1), its characterized in that cavity (1.1) top inboard lower surface is followed blade (1) length direction installs two limit baffle (2), two between limit baffle (2) through T shape connecting piece (3), bolt splice a plurality of guide rails (4), slide on guide rail (4) and be provided with slide mechanism (5), the lower surface mounting of slide mechanism (5) has monitoring mechanism (6), one of them install magnetism on limit baffle (2) inhale charger (7), magnetism is inhaled the engine electric connection on charger (7) and the fan, magnetism inhale charger (7) be used for right battery (5.2) at slide mechanism (5) top charges.

2. The fan blade internal movement monitoring device of claim 1, wherein: the clamping groove (4.1) for fixing the T-shaped connecting piece (3) through bolts is formed in the end face of one side of the guide rail (4), the slot (4.2) for inserting the T-shaped connecting piece (3) is formed in the other side of the guide rail (4), two adjacent guide rails (4) are fixedly connected through bolts after being inserted through the T-shaped connecting piece (3), and the like, the guide rails (4) are spliced through the T-shaped connecting piece (3) in an end-to-end connection mode, and the two guide rails (4) at the edge are correspondingly connected with the limiting baffle (2) through bolts.

3. The fan blade internal movement monitoring device of claim 1, wherein: the sliding mechanism (5) comprises a U-shaped sliding block (5.1), a battery (5.2) and two driving motors (5.3); the battery (5.2) is installed at the top of U-shaped slider (5.1), U-shaped slider (5.1) is located battery (5.2) below is relative guide rail (4) both sides all are fixed with driving motor (5.3), every all be fixed with walking wheel (5.31) on driving motor (5.3)'s the output shaft, walking wheel (5.31) remove guide rail (4) upper surface.

4. A fan blade internal movement monitoring device according to claim 3, wherein: the battery (5.2) is respectively and electrically connected with the two driving motors (5.3) and the monitoring mechanism (6).