CN216955498U

CN216955498U - Fan blade strength detection device

Info

Publication number: CN216955498U
Application number: CN202220483434.1U
Authority: CN
Inventors: 周新; 程鑫铭; 王瀚; 袁鹏
Original assignee: Datang Shanxian Wind Power Generation Co ltd
Current assignee: Datang Shanxian Wind Power Generation Co ltd
Priority date: 2022-03-08
Filing date: 2022-03-08
Publication date: 2022-07-12
Anticipated expiration: 2032-03-08

Abstract

The utility model discloses a fan blade strength detection device, which relates to the technical field of fans and comprises a detection mechanism and a fixing mechanism, wherein the detection mechanism comprises a slide rail and a beam frame positioned above the slide rail, the slide rail is arranged in parallel, two sides of the bottom of the beam frame are respectively and rotatably connected with a transmission shaft, two ends of each transmission shaft are respectively and fixedly connected with a roller which is in rolling fit with the slide rail, one side plate of the beam frame is fixedly connected with a motor, an output shaft of the motor is fixedly connected with a first belt wheel, the center of one transmission shaft is fixedly connected with a second belt wheel, and the first belt wheel is in transmission connection with the second belt wheel through a belt. This fan blade intensity detection device sets up through the cooperation of roof beam structure and slide rail, at the in-process of using device, when testing the blade, can adjust detection mechanism's position, can conveniently detect the different positions of fan blade, uses convenience more.

Description

Fan blade strength detection device

Technical Field

The utility model relates to the technical field of fans, in particular to a fan blade strength detection device.

Background

At present, the wind power generation construction in China is in a high-speed development period, wind power generation is an important renewable energy form, and the wind power generation is more and more widely concerned, a fan blade is an important part in a wind power generation motor set, the integrity of the maintained fan blade is a key place for ensuring the safe operation of the wind power generation motor set, the existing fan blade is mostly made of glass fiber composite materials, due to the complexity of the process and the variability of wind load, the blade is manufactured and operated, cracks, layering and other typical defects and external damage and other conditions are avoided, so that the service life of the fan blade is influenced, the total generated energy of the wind power generation motor set is directly influenced due to the service life of the fan blade, and the performance of the wind wheel blade is very critical. The current intensity detection device that but exists is inconvenient shifts the blade, leads to detecting inconveniently, and inconvenient carrying out position adjustment when detecting moreover is unfavorable for selecting different check points and detects, lacks safety protection when detecting moreover.

Therefore, it is necessary to provide a fan blade strength detecting device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to provide a fan blade strength detection device, which solves the problems that the existing strength detection device proposed in the background art is inconvenient for transferring blades, so that the detection is inconvenient, the position adjustment is inconvenient during the detection, different detection points are not convenient to select for the detection, and the safety protection is not available during the detection.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a fan blade intensity detection device, includes detection mechanism and fixed establishment, and detection mechanism includes parallel arrangement's slide rail and the roof beam structure that is located the slide rail top, the bottom both sides of roof beam structure are all rotated and are connected with the transmission shaft, the equal fixedly connected with in both ends of transmission shaft and slide rail roll complex gyro wheel, fixedly connected with motor on one of them curb plate of roof beam structure, the first band pulley of fixedly connected with on the output shaft of motor, one of them the fixedly connected with second band pulley is located at the center of transmission shaft, be connected through belt transmission between first band pulley and the second band pulley.

The utility model discloses a cable, including roof beam structure, swing joint, adjustable shelf, swing joint, support, the top surface one end parallel arrangement of roof beam structure has the guide rail, the activity has cup jointed the adjustable shelf on the guide rail, it is connected with the roller bearing to rotate on the adjustable shelf, the top surface opposite side fixedly connected with support of roof beam structure, it is connected with the line wheel to rotate on the relative inboard of support, the fixedly connected with gear motor of support, gear motor's output shaft fixed connection takes turns to on the line, take turns to and is equipped with the cable, the one end fixedly connected with force sensor of cable, force sensor's the other end is connected on the adjustable shelf.

Preferably, the fixing mechanism comprises a base and a vertically arranged mounting plate on the top surface of the base, reinforcing plates are fixedly connected to the front side plate and the rear side plate of the mounting plate respectively, and a plurality of mounting holes for mounting the blades are formed in the mounting plate.

Preferably, a pulley is arranged on one side, located on the reel, of the top surface of the beam frame.

Preferably, the cable is fixedly connected to the center of the bottom of the movable frame, and the cable and the guide rail are parallel to each other.

(III) advantageous effects

Compared with the prior art, the utility model provides a fan blade strength detection device, which has the following beneficial effects:

this fan blade intensity detection device sets up through the cooperation of roof beam structure and slide rail, at the in-process of using device, when testing the blade, can adjust detection mechanism's position, can conveniently detect the different positions of fan blade, uses convenience more.

Drawings

FIG. 1 is an axial schematic view of the detection mechanism of the present invention;

FIG. 2 is an axial schematic view of the securing mechanism of the present invention;

FIG. 3 is an enlarged view of the structure of the present invention at A.

In the figure: 1. a slide rail; 2. a belt; 3. a first pulley; 4. a movable frame; 5. a roller; 6. a tension sensor; 7. a guide rail; 8. a second pulley; 9. a roller; 10. a beam frame; 11. a motor; 12. mounting a plate; 13. a reinforcing plate; 14. a seat; 15. installing holes; 16. a wire wheel; 17. a reduction motor; 18. a cable; 19. a pulley; 20. a support; 21. a drive shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a fan blade strength detecting device includes a detecting mechanism and a fixing mechanism, the detecting mechanism includes a sliding rail 1 disposed in parallel and a beam frame 10 disposed above the sliding rail 1, and the beam frame 10 is disposed in cooperation with the sliding rail 1, and during the use of the device, when the blade is tested, the position of the detection mechanism can be adjusted, different positions of the fan blade can be conveniently detected, the use is more convenient, two sides of the bottom of the beam frame 10 are rotatably connected with the transmission shaft 21, two ends of the transmission shaft 21 are fixedly connected with the idler wheels 9 which are matched with the slide rails 1 in a rolling way, one side plate of the beam frame 10 is fixedly connected with the motor 11, the output shaft of the motor 11 is fixedly connected with the first belt wheel 3, the center of one of the transmission shafts 21 is fixedly connected with a second belt wheel 8, and the first belt wheel 3 is in transmission connection with the second belt wheel 8 through a belt 2.

The top surface one end parallel arrangement of roof beam structure 10 has guide rail 7, the adjustable shelf 4 has been cup jointed in the activity on the guide rail 7, it is connected with roller bearing 5 to rotate on the adjustable shelf 4, the top surface opposite side fixedly connected with support 20 of roof beam structure 10, it is connected with line wheel 16 to rotate on the relative inboard of support 20, the fixedly connected with gear motor 17 of support 20, gear motor 17's output shaft fixed connection takes turns to on 16, be equipped with cable 18 on the line wheel 16, the one end fixedly connected with tension sensor 6 of cable 18, tension sensor 6's the other end is connected on the adjustable shelf 4.

The fixing mechanism comprises a base 14 and a mounting plate 12 vertically arranged on the top surface of the base 14, reinforcing plates 13 are fixedly connected to the front side plate and the rear side plate of the mounting plate 12, and a plurality of mounting holes 15 used for mounting blades are formed in the mounting plate 12.

The pulley 19 is provided on the top surface of the beam 10 on the side of the pulley 16, and the pulley 9 is used to change the direction of the cable 18 so that it is connected parallel to the movable frame 4.

Cable 18 fixed connection is in the center department of adjustable shelf 4 bottom, and the atress is even, and the center leans on down, and is more stable, and cable 18 is parallel to each other with guide rail 7, can detect more accurately, can prevent again that the blade from touching cable 18.

The working principle is as follows: in the process of using the device, firstly, a base 14 of a fixing mechanism is fixed on the ground, parallel sliding rails 1 are spliced and laid on the ground of a workshop, then a fan blade is fixed on a mounting plate 12, the tip end of the fan blade is positioned on a beam frame 10, a speed reducing motor 17 is operated during detection, under the action of the speed reducing motor 17, a cable 18 drives a movable frame 4 to move on a guide rail 7, under the action of the movable frame 4, the end part of the blade is driven to bend to generate resistance, then, the load loaded on the fan blade can be obtained through the data of a tension sensor 6, when the detection position is adjusted, an electric motor 11 is operated, under the action of the electric motor 11, a first belt wheel 3 drives a second belt wheel 8 to rotate, under the action of the second belt wheel 8, a transmission shaft 21 is driven to rotate, the roller 9 drives the beam frame 10 to move on the sliding rails 1, and the position of the beam frame 10 on the sliding rails 1 can be adjusted, different positions can be detected.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 intensity detection device which characterized in that: the detection mechanism comprises a sliding rail (1) and a beam frame (10) which is positioned above the sliding rail (1), the two sides of the bottom of the beam frame (10) are rotatably connected with transmission shafts (21), two ends of each transmission shaft (21) are fixedly connected with idler wheels (9) which are in rolling fit with the sliding rail (1), one side plate of the beam frame (10) is fixedly connected with a motor (11), an output shaft of the motor (11) is fixedly connected with a first belt wheel (3), the center of one transmission shaft (21) is fixedly connected with a second belt wheel (8), and the first belt wheel (3) is in transmission connection with the second belt wheel (8) through a belt (2);

the utility model discloses a cable pulling device, including roof beam structure (10), guide rail (7), adjustable shelf (4) have been cup jointed in the activity on guide rail (7), it is connected with roller bearing (5) to rotate on adjustable shelf (4), the top surface opposite side fixedly connected with support (20) of roof beam structure (10), it is connected with line wheel (16) to rotate on the relative inboard of support (20), the fixedly connected with gear motor (17) of support (20), the output shaft fixed connection of gear motor (17) is on line wheel (16), be equipped with cable (18) on line wheel (16), the one end fixedly connected with force sensor (6) of cable (18), the other end of force sensor (6) is connected on adjustable shelf (4).

2. The fan blade strength detection device of claim 1, wherein: the fixing mechanism comprises a base (14) and a vertical mounting plate (12) arranged on the top surface of the base (14), reinforcing plates (13) are fixedly connected to the front side plate and the rear side plate of the mounting plate (12), and a plurality of mounting holes (15) used for mounting blades are formed in the mounting plate (12).

3. The fan blade strength detection device of claim 1, wherein: a pulley (19) is arranged on one side of the top surface of the beam frame (10) which is positioned on the wire wheel (16).

4. The fan blade strength detection device of claim 1, wherein: the cable (18) is fixedly connected to the center of the bottom of the movable frame (4), and the cable (18) is parallel to the guide rail (7).