CN201830104U - Lifting frame for hanging magnetic pole of large hydrogenerator rotor - Google Patents

Abstract

The utility model relates to a large-scale water turbine generator rotor magnetic pole hanging frame, which is characterized in that: the lifting frame includes two parallel beams, and the bottoms of the two beams are uniformly fixed with support beams. A vertical plate is fixedly installed on the support beam at the top, and a lifting plate is fixedly installed on the outside of the vertical plate. The lifting plate is provided with a hoisting hole for wearing a lifting rope. When hoisting, put the magnetic pole on the lifting frame, hook the four lifting hooks on the outside of the crossbeam to the damping ring of the magnetic pole respectively, then pass one end of the lifting rope into the lifting hole of the lifting plate, and hang the other end of the lifting rope on the ceiling. On the lifting hook of the car, the magnetic poles can be vertically erected and mounted on the rotor bracket. Therefore, the above structure has the advantages of simple operation, fast, safe, time-saving, labor-saving, high efficiency, etc., and will not damage the magnetic pole coil.

Description

A hanger for mounting the rotor magnetic poles of a large hydroelectric generator

technical field

The utility model belongs to the technical field of large hydroelectric generators, in particular to a hanger for mounting rotor magnetic poles of large hydroelectric generators.

Background technique

The rotor is an important part of a large hydroelectric generator. It is assembled by hanging the magnetic poles on the rotor bracket. The magnetic pole is an important part. It consists of two parts: the magnetic pole core and the magnetic pole coil, and the magnetic pole The iron core is composed of several thin steel plates threaded together by screws to form a whole. The magnetic pole coil is made of copper strips to form a multi-turn oblong magnetic pole coil, and insulating paper is added between the layers of each turn. Press the magnetic pole coil and insulating paper into a whole, and then put the magnetic pole coil on the outside of the magnetic pole core to form a magnetic pole.

Because the weight of the magnetic poles of large-scale hydro-generators ranges from several hundred kilograms to several thousand kilograms, the magnetic poles cannot be hung on the rotor bracket manually, and the magnetic poles must be lifted and hung on the rotor bracket with the help of cranes and lifting tools. At present, , when mounting the magnetic pole, there is no special magnetic pole mounting tool. The staff will put one end of the lifting rope directly on the pole body of the magnetic pole coil, and the other end will use the crane to lift the hook to carry out the magnetic pole mounting, which will easily cause damage to the magnetic pole coil. Stretch deformation, and cause cracks between turns of the magnetic pole coil, resulting in unqualified magnetic poles that need to be repaired, and it is labor-intensive, time-consuming, and inefficient.

Contents of the invention

In order to solve the technical problems in the known technology, the utility model provides a large hydraulic generator rotor magnetic pole mounting hanger with simple structure, convenient installation and use, simple operation, fast, safe, time-saving, labor-saving and high efficiency.

The technical scheme that the utility model takes for solving the technical problem existing in the known technology is:

A hanger for mounting the magnetic poles of the rotor of a large-scale hydroelectric generator is characterized in that the hanger includes two parallel beams, the bottoms of the two beams are evenly fixed with support beams, and the support beam at one end A vertical plate is fixedly installed on the upper plate, and a lifting plate is fixedly installed on the outside of the vertical plate. The lifting plate is provided with a hoisting hole for wearing a lifting rope, and the outer sides of the two beams are symmetrically fixed with a lifting plate.

The utility model can also adopt the following technical measures:

The crossbeam is a channel steel, several support beams are placed opposite to each other and parallel to each other on the groove surface of the channel steel, and the support beams are welded in the groove of the channel steel.

A rib plate is fixed between the vertical plate fixed on the supporting beam at the end and the supporting beam.

The lifting plate fixed on the vertical plate is located in the middle of the vertical plate.

The two crossbeams on the opposite side of the fixed vertical plate are also fixed with support plates.

The lower surface of the support plate is rounded.

The lifting plate fixed on the outer side of the beam is L-shaped.

The utility model has the advantages and positive effects: because the utility model adopts the above-mentioned structure, when hoisting, the magnetic pole is placed on the lifting frame, and the four lifting hooks on the outside of the beam are respectively hooked to the damping ring of the magnetic pole, and then the lifting One end of the rope goes through the lifting hole of the lifting plate, and the other end of the lifting rope is hung on the lifting hook of the crown block, so that the magnetic pole can be vertically erected and mounted on the rotor bracket. Therefore, the above structure has the advantages of simple operation, fast, safe, time-saving, labor-saving, high efficiency, etc., and will not damage the magnetic pole coil.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the right view of Fig. 1;

Fig. 3 is the top view of Fig. 1;

Fig. 4 is a diagram of the state of use of the utility model;

FIG. 5 is a side view of FIG. 4 .

In the figure: 1. Beam; 2. Beam; 3. Support beam; 4. Vertical plate; 5. Lifting plate; 5-1. Hoisting hole; 6. Lifting plate; , magnetic pole; 10, damping ring; 11, lifting rope.

Detailed ways

In order to further understand the invention content, characteristics and effects of the present utility model, the following examples are exemplified, and detailed descriptions are as follows in conjunction with the accompanying drawings:

Please refer to Figure 1 to Figure 3,

A hanger for mounting the rotor magnetic poles of a large-scale hydroelectric generator, including two parallel beams (1, 2), with support beams 3 evenly distributed between the bottoms of the two beams, and support beams 3 at one end The vertical plate 4 is fixed on the top, and the lifting plate 5 is fixed on the outside of the vertical plate. According to the force analysis, when the lifting plate is fixed on the middle position of the vertical plate, the bearing capacity of the lifting plate is relatively large, and the entire lifting plate The force is relatively uniform. The hoisting plate 5 is provided with a hoisting hole 5-1 for wearing a hoisting rope, and the outer symmetry of the two beams (1, 2) is fixedly equipped with a hoisting plate 6, and the hoisting plate system is L-shaped. the

For the convenience of processing and manufacturing, the crossbeam in the above structure is selected as the existing channel steel, and several support beams placed opposite and parallel to each other on the groove surface of the channel steel, the support beams are welded in the groove of the channel steel, The channel steel is also easy to process during welding, and the lower surface of the groove also has a certain supporting effect to ensure the strength of the whole lifting frame.

In order to strengthen the strength between the vertical plate 4 and the support beam 3 , a rib plate 7 is fixed between the vertical plate 4 fixed on the end support beam 3 and the support beam 3 .

The support plate 8 is also fixedly installed on the two cross beams on the opposite side of the fixed vertical plate, and the support plate 8 mainly prevents the lifting rope from swinging too much during the lifting process and causing the magnetic poles to bump, so as to play a stable, stressed and stable position. For a uniform effect, the lower surface of the support plate is rounded.

Please refer to Figure 4 to Figure 5, in the state of use, place the magnetic pole 9 on the lifting frame, hook the four lifting hooks on the outside of the beam to the damping ring 10 of the magnetic pole, and then pass one end of the lifting rope 11 into the hoisting of the lifting plate hole, the other end of the lifting rope is hung on the lifting hook of the crane, and the magnetic pole can be vertically erected and mounted on the rotor bracket. Therefore, the above structure has the advantages of simple, fast, safe, time-saving, labor-saving and high efficiency. And the amount of magnetic pole coil will not be damaged.

Claims (7)

1. A hanger for mounting the magnetic poles of the rotor of a large hydraulic generator, characterized in that: the hanger includes two parallel beams, the bottoms of the two beams are evenly distributed with support beams, and at one end A vertical plate is fixedly installed on the support beam, and a lifting plate is fixedly installed on the outside of the vertical plate. The lifting plate is provided with a hoisting hole for wearing a lifting rope, and a lifting plate is fixedly fixed on the outer sides of the two beams symmetrically. 2. The large hydraulic generator rotor magnetic pole hanging frame according to claim 1, characterized in that: the crossbeam is a channel steel, and the groove surfaces of the channel steel are relatively placed and parallel to each other several supporting beams, The support beams are welded in the grooves of the channel steel. 3. The hanger for mounting the magnetic poles of the rotor of a large hydro-generator according to claim 1, characterized in that: a reinforcing rib plate is fixed between the vertical plate fixed on the support beam at the end and the support beam. 4. The lifting frame for mounting the magnetic poles of the rotor of a large hydro-generator according to claim 1, wherein the lifting plate fixed on the vertical plate is located in the middle of the vertical plate. 5. According to any one of claims 1 to 4, the large-scale hydraulic generator rotor magnetic pole mounting hanger is characterized in that: the two crossbeams on the opposite side of the fixed vertical plate are also fixed with support board. 6 . The hanger for mounting the rotor magnetic poles of a large hydraulic generator according to claim 5 , wherein the lower surface of the support plate has rounded corners. 7 . 7. The lifting bracket for mounting the rotor magnetic poles of a large hydraulic generator according to claim 1, wherein the lifting plate fixed on the outer side of the beam is L-shaped.

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