CN220822848U - Generator rotor tilting mechanism - Google Patents

Abstract

The utility model relates to a generator rotor turnover mechanism, which comprises a base and an L-shaped turnover plate arranged on the base, wherein a fixed plate is arranged on a horizontal plate of the L-shaped turnover plate, at least two limiting plates are arranged above the fixed plate, each limiting plate comprises an upper limiting plate and a lower limiting plate, a limiting groove for limiting a generator rotor is formed in the middle of the upper limiting plate and the lower limiting plate after being spliced and fixed, and the turnover plate is driven by a turnover driving mechanism to turn. The utility model has reasonable design and simple structure, the generator rotor is limited in the limiting groove, and the L-shaped overturning plate is overturned through the overturning driving mechanism, so that the generator rotor is overturned from a transverse state to a vertical state, the fan on the rotor is convenient to install, the stability is strong, the convenience and the labor saving are realized, the operation is easy, and the safety and the reliability are realized.

Description

Generator rotor tilting mechanism

Technical Field

The utility model relates to a generator rotor turnover mechanism.

Background

The fan is required to be installed on the rotor of the large-scale generator, the current installation mode of the fan is to hoist the generator rotor to an upright state by using a crane, and then the fan is installed inside the rotor shell, but because the generator rotor is large in size and heavy in weight, the operation by using the crane is very inconvenient, the rotor is easy to shake and unstable, the fan is difficult to install, and the working efficiency is low.

Disclosure of utility model

The utility model improves the problems, namely the technical problem to be solved by the utility model is to provide a generator rotor turnover mechanism which is convenient to use and efficient.

The utility model is composed in such a way that the utility model comprises a base and an L-shaped turnover plate arranged on the base, wherein a fixed plate is arranged on a horizontal plate of the L-shaped turnover plate, at least two limiting plates are arranged above the fixed plate, each limiting plate comprises an upper limiting plate and a lower limiting plate, a limiting groove for limiting a generator rotor is arranged in the middle of the upper limiting plate and the lower limiting plate after being spliced and fixed, and the turnover plate is driven by a turnover driving mechanism to turn.

Further, upper limiting plate one end is articulated with lower limiting plate one end, upper limiting plate, lower limiting plate other end all are provided with the connecting plate, are connected through the mounting between two connecting plates.

Further, the fixing piece is a bolt.

Further, an arc groove A is formed in the lower portion of the upper limiting plate, an arc groove B is formed in the upper portion of the lower limiting plate, and the arc groove A and the arc groove B form a limiting groove.

Further, the lower limiting plate is fixed on the fixing plate by fixing bolts.

Further, a slotted hole for avoiding a rotating shaft of the generator is formed in the vertical plate of the L-shaped overturning plate.

Further, the L-shaped overturning plate comprises a horizontal plate and a vertical plate.

Furthermore, the lower part of the L-shaped overturning plate is connected with bearing seats arranged at the front and rear sides of the base through a rotating shaft.

Further, the overturning driving mechanism comprises a hydraulic cylinder arranged inside the base, an output shaft of the hydraulic cylinder is connected with the outer side of the vertical plate of the L-shaped overturning plate through a swing arm, and one side, away from the output shaft, of the hydraulic cylinder is hinged inside the base.

Compared with the prior art, the utility model has the following beneficial effects: the device has reasonable design and simple structure, the rotor of the generator is placed on the L-shaped overturning plate, the rotor iron core is transversely placed in the arc-shaped groove A of the lower limiting plate, the rotating shaft of the rotor penetrates through the oblong hole, the upper limiting plate and the lower limiting plate cover are combined and locked through the fixing piece, and the rotor of the generator is limited through the limiting groove and can be more stable in overturning; then the excitation rotor of the generator is attached to the inner side surface of the vertical plate of the L-shaped overturning plate, the overturning angle of the L-shaped overturning plate is controlled through the hydraulic cylinder, so that the generator rotor can be overturned from a transverse state to a vertical state, the fan on the rotor is convenient to install, labor is saved, operation is easy, and safety and reliability are realized.

Drawings

FIG. 1 is a side view of an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a front structure of an embodiment of the present utility model;

Fig. 3 is a schematic diagram of a front structure of a second embodiment of the present utility model.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the detailed description.

Examples: as shown in fig. 1-3, in this embodiment, a generator rotor turnover mechanism is provided, including a base 1 and an L-shaped turnover plate 2 disposed on the base, a fixing plate 3 is disposed on a horizontal plate 21 of the L-shaped turnover plate, at least two limiting plates 4 are disposed above the fixing plate, each limiting plate includes an upper limiting plate 41 and a lower limiting plate 42, a limiting groove 43 for limiting the generator rotor 10 is disposed in the middle after the upper and lower limiting plates are combined and fixed, and the turnover plate is driven by a turnover driving mechanism 5 to perform 90-degree turnover.

During operation, place generator rotor on L type upset board, rotor core transversely places in the arc wall A of limiting plate down, the pivot of rotor passes from the slotted hole, with last limiting plate and lower limiting plate lid merge through the mounting locking again, then the excitation rotor of generator is along the medial surface of the vertical board of L type upset board, through hydraulic cylinder control L type upset board flip angle, can make generator rotor overturn to vertical state from horizontal state, the installation of fan on the rotor of being convenient for, and is convenient laborsaving, easy operation, safe and reliable.

In the embodiment, one end of the upper limiting plate is hinged with one end of the lower limiting plate, the other ends of the upper limiting plate and the lower limiting plate are respectively provided with a connecting plate 6, and the two connecting plates are connected through a fixing piece 7; the fixing piece is a bolt.

In this embodiment, an arc groove a411 is disposed at the lower portion of the upper limiting plate, an arc groove B421 is disposed at the upper portion of the lower limiting plate, and the arc groove a and the arc groove B form a limiting groove 43; the size of the limit groove is matched with the generator.

In the embodiment, the lower limiting plate is fixed on the fixed plate by adopting the fixing bolts 11, so that the limiting plate is convenient to detach and replace; the lower limiting plate bottom is equipped with the mounting panel, is provided with corresponding screw hole on mounting panel, the fixed plate, and fixing bolt penetrates the screw hole of mounting panel, the screw hole of fixed plate and connects.

In the embodiment, a slotted hole 221 for avoiding a rotating shaft of the generator is formed in a vertical plate of the L-shaped overturning plate; the oblong hole is elongated and extends downward in the height direction of the vertical plate.

In this embodiment, the L-shaped flipping plate includes a horizontal plate 21 and a vertical plate 22; reinforcing ribs 23 are welded between the horizontal plate and the vertical plate.

In the embodiment, the lower part of the L-shaped overturning plate is connected with bearing seats 8 arranged at the front and the rear of the base through a rotating shaft 9; two ends of the rotating shaft are respectively connected with the two bearing seats in a rotating way, and the rotating shaft is fixedly connected with the L-shaped overturning plate.

In this embodiment, the overturning driving mechanism 5 includes a hydraulic cylinder 51 disposed inside the base, an output shaft of the hydraulic cylinder is connected with an outer side of a vertical plate of the L-shaped overturning plate through a swing arm 52, a fixing seat 53 is disposed inside the base, and a side, away from the output shaft, of the hydraulic cylinder is hinged with the fixing seat.

The inside of the base is of a hollow structure, the upper surface of the left side of the base is provided with an avoidance groove, and when the generator rotor is turned to an upright state, the lower end of the rotating shaft extends into the avoidance groove; meanwhile, the arrangement of the avoidance groove is also used for avoiding the connection and the actuation of the swing arm.

Any of the above-described embodiments of the present utility model disclosed herein, unless otherwise stated, if they disclose a numerical range, then the disclosed numerical range is the preferred numerical range, as will be appreciated by those of skill in the art: the preferred numerical ranges are merely those of the many possible numerical values where technical effects are more pronounced or representative. Since the numerical values are more and cannot be exhausted, only a part of the numerical values are disclosed to illustrate the technical scheme of the utility model, and the numerical values listed above should not limit the protection scope of the utility model.

Meanwhile, if the above utility model discloses or relates to parts or structural members fixedly connected with each other, the fixed connection may be understood as follows unless otherwise stated: detachably fixed connection (e.g. using bolts or screws) can also be understood as: the non-detachable fixed connection (e.g. riveting, welding), of course, the mutual fixed connection may also be replaced by an integral structure (e.g. integrally formed using a casting process) (except for obviously being unable to use an integral forming process).

In addition, terms used in any of the above-described aspects of the present disclosure to express positional relationship or shape have meanings including a state or shape similar to, similar to or approaching thereto unless otherwise stated.

Any part provided by the utility model can be assembled by a plurality of independent components, or can be manufactured by an integral forming process.

Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical scheme of the present utility model and are not limiting; while the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present utility model or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the utility model, it is intended to cover the scope of the utility model as claimed.

Claims (9)

1. The utility model provides a generator rotor tilting mechanism, its characterized in that includes the base and sets up the L type upset board on the base, be provided with the fixed plate on the horizontal plate of L type upset board, the fixed plate top is provided with two at least limiting plates, and every limiting plate includes limiting plate and lower limiting plate, the middle part is equipped with the spacing groove that is used for spacing generator rotor after upper and lower limiting plate amalgamation is fixed, the upset board is overturned by upset actuating mechanism drive.

2. The turnover mechanism of generator rotor as set forth in claim 1, wherein one end of the upper limiting plate is hinged to one end of the lower limiting plate, and the other ends of the upper limiting plate and the lower limiting plate are respectively provided with a connecting plate, and the two connecting plates are connected through a fixing piece.

3. A generator rotor tilting mechanism according to claim 2, wherein said fixing means is a bolt.

4. The turnover mechanism of generator rotor as set forth in claim 1, wherein the upper limiting plate has an arc-shaped groove a in its lower part and an arc-shaped groove B in its upper part, and the arc-shaped groove a and the arc-shaped groove B form a limiting groove.

5. The generator rotor tilting mechanism of claim 1, wherein the lower limiting plate is fixed to the fixed plate by a fixing bolt.

6. The turnover mechanism of generator rotor as set forth in claim 1, wherein the vertical plate of the L-shaped turnover plate is provided with a slotted hole for avoiding the rotation shaft of the generator.

7. The generator rotor tilting mechanism of claim 1, wherein said L-shaped tilting plate comprises a horizontal plate and a vertical plate.

8. The turnover mechanism of generator rotor of claim 1, wherein the lower part of the L-shaped turnover plate is connected with bearing seats arranged at the front and rear of the base via a rotation shaft.

9. The turnover mechanism of a generator rotor according to claim 1, wherein the turnover driving mechanism comprises a hydraulic cylinder arranged in the base, an output shaft of the hydraulic cylinder is connected with the outer side of a vertical plate of the L-shaped turnover plate through a swing arm, and one side of the hydraulic cylinder away from the output shaft of the hydraulic cylinder is hinged in the base.