CN219472257U - Tower monitoring device of wind generating set - Google Patents

Abstract

The utility model discloses a tower monitoring device of a wind generating set, which belongs to the technical field of wind power generation monitoring, and particularly relates to a tower monitoring device of a wind generating set, wherein the monitoring device is fixed at a joint of edges between towers of the wind generating set through bolts, the monitoring device comprises two vertical plates, a transverse plate and strain sensors, the two vertical plates are hinged through a hinge, a limiting block is arranged at the left end between the two vertical plates, transverse plates are arranged at the ends, far away from each other, of the vertical plates, an adjustable fixing device is arranged between the transverse plates and the towers, the strain sensors are arranged at the right sides between the transverse plates, the edge joint between the towers can be fixed when the bolts are used normally, the load is stable, after the load borne by the bolts is reduced, the load borne by the monitoring device is increased, the detection result of the strain sensors is transmitted, and workers check and replace the bolts in advance.

Description

Tower monitoring device of wind generating set

Technical Field

The utility model relates to the field of wind power generation monitoring, in particular to a tower monitoring device of a wind generating set.

Background

The tower top of the wind power plant is equipped with a generator, an entire drive train and a rotor, that is to say all the movable components of the wind power plant are mounted on said tower top, which components extract energy from the wind and convert this energy into electrical energy. The tower must safely and reliably withstand some of the loads acting on it during operation. Furthermore, the tower must withstand high wind speeds even if the wind power plant has been inactive.

The towers on the wind generating set are mostly connected and fixed through bolts, and dynamic loads can lead to bolt fatigue and even creep. In order to avoid failure of the bolts and subsequent potential damage or even collapse of the tower, the bolts must be frequently checked, maintained or replaced, and the cost is high, so the utility model provides a tower monitoring device of a wind power generation unit, which is used for monitoring the connection position of the bolts.

Disclosure of Invention

The utility model aims to provide a tower monitoring device of a wind generating set, which aims to solve the problem that the cost for frequently checking, maintaining or replacing the bolt connection part of the tower on the wind generating set is high 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 wind generating set's pylon monitoring devices, includes monitoring devices, the junction that bolted connection is passed through at the edge between wind generating set's pylon to monitoring devices's fixing, monitoring devices includes riser, diaphragm and strain sensor, riser quantity is two, two pass through the hinge between the riser, two the left end between the riser is provided with the stopper, the one end that the riser kept away from each other all is provided with the diaphragm, install adjustable fixing device between diaphragm and the pylon, two strain sensor is installed on the right side between the riser.

Preferably, when the vertical plates on the upper side and the lower side are positioned on the same plane, the limiting blocks on the upper side and the lower side are in contact with each other.

Preferably, the transverse plate is perpendicular to the vertical plate, and the transverse plate and the vertical plate are integrally formed.

Preferably, the adjustable fixing device comprises a pressing plate, a screw rod and a sliding rod, wherein the pressing plates are arranged on one sides, close to each other, of the transverse plates on the upper side and the lower side, the sliding rods are arranged on the edges of the outer sides of the pressing plates, the sliding rods are in sliding connection with the transverse plates, the screw rod is rotationally connected with the middle of the pressing plates, the screw rod is in threaded connection with the transverse plates, one end, far away from the pressing plates, of the screw rod is fixedly connected with a clamping block, a fastening nut is in threaded connection with the pressing plates, the fastening nut is located between the transverse plates and the pressing plates, and the edges, fixed by bolts, of the pressing plates and the towers are in surface contact.

Compared with the prior art, the utility model has the beneficial effects that:

when the bolts are normally used, the edge connection parts between the towers can be fixed, the load is stable, after the load borne by the bolts is reduced, the load borne by the monitoring device is increased, the detection result of the strain sensor is transmitted, and workers check and replace the bolts before, so that the cost is greatly reduced.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the structure of the monitoring device of the present utility model when the device is deformed under force.

In the figure: 1. a tower; 2. a bolt; 3. a monitoring device; 4. a vertical plate; 5. a cross plate; 6. a slide bar; 7. a clamping block; 8. a screw; 9. a fastening nut; 10. a pressing plate; 11. a limiting block; 12. a hinge; 13. a strain sensor.

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.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples:

referring to fig. 1-2, the present utility model provides a technical solution: the utility model provides a wind generating set's pylon monitoring devices, includes monitoring devices 3, monitoring devices 3 are fixed at the junction that bolt 2 is passed through at the edge between wind generating set's pylon 1, monitoring devices 3 include riser 4, diaphragm 5 and strain sensor 13, riser 4 quantity is two, two articulated through hinge 12 between the riser 4 to can rotate, two the left end between the riser 4 is provided with stopper 11, the one end that riser 4 kept away from each other all is provided with diaphragm 5, install adjustable fixing device between diaphragm 5 and the pylon 1, two strain sensor 13 is installed on the right side between the riser 4.

When the vertical plates 4 on the upper side and the lower side are positioned on the same plane, the limiting blocks 11 on the upper side and the lower side are in contact with each other, so that the limiting effect is achieved.

The transverse plate 5 is perpendicular to the vertical plate 4, and the transverse plate 5 and the vertical plate 4 are integrally formed, so that the structure is stable.

The adjustable fixing device comprises a pressing plate 10, a screw rod 8 and a sliding rod 6, wherein the pressing plate 10 is arranged on one side, close to each other, of each transverse plate 5 on the upper side and the lower side, the sliding rod 6 is arranged on the edge of the outer side of the pressing plate 10, the sliding rod 6 is in sliding connection with the transverse plates 5, the transverse plates 5 can stably move up and down, the screw rod 8 is rotationally connected with the middle of each pressing plate 10, the screw rod 8 is in threaded connection with the transverse plates 5, the pressing plate 10 is driven to move through the rotating screw rod 8, the clamping block 7 is fixedly connected with one end, far away from the pressing plate 10, of each screw rod 8, the screw rod 8 is convenient to rotate, the fastening nut 9 is arranged between the transverse plates 5 and the pressing plate 10 and used for fastening, loosening is prevented, and the edges, between the pressing plates 10 and the tower 1, of the upper side and the lower side are fixedly connected through the surface contact of the joint of the bolts 2.

Working principle: the edge that monitoring devices 3 were fixed between wind generating set's pylon 1 passes through the junction that bolt 2 is fixed, and when bolt 2 normally used, can be fixed the edge junction between pylon 1, and the load is stable, and after the load that bolt 2 received reduces, can lead to the load increase that receives on monitoring devices 3, when exceeding certain threshold value, the testing result of strain sensor 13 is transmitted, sends the warning, and the staff is inspected before changing bolt 2, and this kind of mode greatly reduced the cost.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

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 (4)

1. Tower monitoring device of wind generating set, including monitoring devices (3), its characterized in that: the utility model discloses a wind turbine generator system, including wind turbine generator system, monitoring devices (3), adjustable fixing device, including wind turbine generator system's pylon (1), the junction that the edge between wind turbine generator system's pylon (1) is fixed through bolt (2), monitoring devices (3) are including riser (4), diaphragm (5) and strain sensor (13), riser (4) quantity is two, two hinge (12) are passed through between riser (4), two left end between riser (4) is provided with stopper (11), the one end that riser (4) kept away from each other all is provided with diaphragm (5), install adjustable fixing device between diaphragm (5) and pylon (1), two strain sensor (13) are installed on the right side between riser (4).

2. The tower monitoring device of a wind turbine generator set according to claim 1, wherein: when the vertical plates (4) on the upper side and the lower side are positioned on the same plane, the limiting blocks (11) on the upper side and the lower side are contacted with each other.

3. The tower monitoring device of a wind turbine generator set according to claim 1, wherein: the transverse plate (5) is perpendicular to the vertical plate (4), and the transverse plate (5) and the vertical plate (4) are integrally formed.

4. The tower monitoring device of a wind turbine generator set according to claim 1, wherein: the adjustable fixing device comprises a pressing plate (10), a screw rod (8) and a sliding rod (6), wherein the pressing plate (10) is arranged on one side, close to each other, of each transverse plate (5), the sliding rod (6) is arranged at the outer side edge of each pressing plate (10), the sliding rod (6) is in sliding connection with the transverse plates (5), the screw rod (8) is rotationally connected with the middle part of each pressing plate (10), the screw rod (8) is in threaded connection with the transverse plates (5), the clamping block (7) is fixedly connected with one end, far away from the pressing plate (10), of each screw rod (8), a fastening nut (9) is arranged on each pressing plate (10) in a threaded manner, and the edges, fixed by bolts (2), of the pressing plates (10) and the towers (1), of the upper side and the lower side are in surface contact.