CN216056722U

CN216056722U - Special maintenance platform for generator rotor after magnetic pole pulling

Info

Publication number: CN216056722U
Application number: CN202122177542.4U
Authority: CN
Inventors: 许梦浩; 秦风斌; 匡润; 梁绍龙
Original assignee: China Yangtze Power Co Ltd
Current assignee: China Yangtze Power Co Ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-03-15
Anticipated expiration: 2031-09-09

Abstract

A special maintenance platform for a generator rotor after magnetic pole pulling comprises a suspension fixing module, a first section assembling unit, a common assembling unit and a support adjusting rod; the suspension fixing module is sleeved on the first section of the assembling unit in a sliding manner, and one end of the suspension fixing module is connected with a magnetic pole suspension point on a magnetic yoke of the rotor; the first section of assembly unit, the common assembly units and the adjacent common assembly units are spliced through the unit connecting pieces to form a frame body, a plurality of stator support adjusting rods are hinged to the two ends of the frame body from top to bottom, and the frame body and the stators are relatively fixed through the stator support adjusting rods; a plurality of hidden platform pedals are arranged on the frame body between the left stator support adjusting rod and the right stator support adjusting rod; the support adjusting rod is installed at the bottom of the frame body, and the bottom end of the support adjusting rod is fixed on the ground. The maintenance platform special for the generator rotor after the magnetic poles are pulled out adopts the split mounting type structure, is wide in applicability, simple and convenient to operate and easy to store.

Description

Special maintenance platform for generator rotor after magnetic pole pulling

Technical Field

The utility model relates to an overhaul platform, in particular to a special overhaul platform for a generator rotor after a magnetic pole is pulled out.

Background

The maintenance platform is comparatively crude after the generator that has used pulls out the magnetic pole, and it adopts the mode of steel pipe and the simple combination of plank to assemble out interim maintenance platform, and its shortcoming is: 1) the structure is not firm, and the platform is not reliably fixed and connected with the rotor, the wood plate and the supporting steel pipe and the wood plate; 2) the upper platform and the lower platform are difficult to move due to the fact that channels of the upper platform and the lower platform are not designed; 3) the platform has poor integrity and stability, and is not beneficial to working on the platform by personnel; 4) the bearing performance of the platform is general, the platform can not be subjected to conventional test and calibration only by depending on the load bearing of the wood plate, and the safety belt hanging point is not designed on the platform, so that the overall safety can not be guaranteed.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a special maintenance platform for a generator rotor after a magnetic pole is pulled out, which has a firm structure and is assembled and connected singly, and meets the space requirements of different operations.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:

a special maintenance platform for a generator rotor after magnetic pole pulling comprises a suspension fixing module, a first section assembling unit, a common assembling unit and a support adjusting rod;

the suspension fixing module is sleeved on the first section of the assembling unit in a sliding manner, and one end of the suspension fixing module is connected with a magnetic pole suspension point on a magnetic yoke of the rotor;

the first section of assembly unit, the common assembly units and the adjacent common assembly units are spliced through the unit connecting pieces to form a frame body, a plurality of stator support adjusting rods are hinged to the two ends of the frame body from top to bottom, and the frame body and the stators are relatively fixed through the stator support adjusting rods; the stator that controls supports to articulate on the support body between the pole has a plurality of hidden platform footboards, and hidden platform footboard passes through the locking of spring locking round pin at vertical state, and hidden platform footboard is opened to the stator direction, and keeps the level through the footboard stopper at the horizontality.

The support adjusting rod is installed at the bottom of the frame body, and the bottom end of the support adjusting rod is fixed on the ground.

The whole body of the frame body is arc-shaped and is matched with the surface of the rotor magnetic yoke.

The upper end of the first section of assembly unit is provided with a suspension fixing module mounting beam, and the suspension fixing module is in sliding fit with the suspension fixing module mounting beam.

The back of the frame body is provided with a rotor supporting point, and the rotor supporting point is close to a rotor magnetic yoke.

And the end parts of the rotor supporting point and the stator supporting adjusting rod are provided with anti-collision heads.

The utility model discloses a special maintenance platform for a generator rotor after a magnetic pole is pulled out, which has the following technical effects:

1) adopt the pin-connected panel structure, hang fixed module, the generating set of applicable different rotor magnetic pole height through adjusting ordinary unit quantity of assembling, change, and easy operation is convenient.

2) Adopt hidden footboard structure, through the compound mode that multiple footboard opened and shut, realize satisfying the space demand of different operations (including but not limited to upper and lower passageway line stick dismouting slot wedge dismouting).

3) Adopt high strength material (including but not limited to the alloy) preparation, hang fixedly and combine together with multiple auxiliary stay, stable in structure is firm, and factor of safety is high, and the safety belt hangs in the design of skeleton crossbeam consideration, satisfies the height and hangs and support the principle of using, increases operation factor of safety.

4) The platform framework is designed with a certain radian, and is better in fit degree with the surface of the rotor magnetic yoke, so that the space utilization rate is maximized.

Drawings

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a schematic structural diagram of a first section of assembly unit in the utility model.

Fig. 4 is a schematic structural diagram of a general assembly unit according to the present invention.

FIG. 5 is a schematic view showing the open state of the pedal according to the present invention.

Fig. 6 is a schematic structural view of a suspension fixing module according to the present invention.

In the figure: hang fixed module 1, first section assembly unit 2, ordinary assembly unit 3 supports adjusting the pole 4, hangs fixed module installation roof beam 5, spring locking pin 6, hidden platform footboard 7, footboard stopper 8, heavy hinge 9, platform skeleton 10, unit connecting piece 11, stator support adjusting pole 12, rotor strong point 13.

Detailed Description

As shown in fig. 1-2, a maintenance platform for a generator after removing magnetic poles comprises a first section of assembly unit 2, a plurality of common assembly units 3, a plurality of suspension fixing modules 1 and a plurality of support adjusting rods 4.

As shown in fig. 3, the first-stage assembling unit 2 includes a platform framework 10, the platform framework 10 is formed by welding a plurality of cross beams and longitudinal beams, a plurality of openings for installing the hidden platform pedals 7 are formed on the platform framework 10, the cross beam at the upper end of the opening is provided with a spring locking pin 6, the cross beam at the lower end of the opening is provided with the hidden platform pedals 7 through a double-type hinge 9, and the back of the hidden platform pedals 7 is fixed with a pedal limiting block 8. The pedal limiting block 8 is horizontally placed on the horizontal plane of the cross beam of the platform framework 10 when the hidden platform pedal 7 is vertical; when the hidden platform pedal 7 is horizontal, the hidden platform pedal 7 is tightly attached to the vertical surface of the cross beam of the platform framework 10 and prevents the hidden platform pedal 7 from continuously rotating, so that the hidden platform pedal 7 is kept horizontal. Namely, the hidden platform pedal 7 is vertically arranged when not in use, and the spring locking pin 6 is inserted into the hole at the upper end of the hidden platform pedal 7 and is tightly clamped with the hidden platform pedal 7. And the hidden platform pedal 7 can be opened towards the stator direction during working, and the pedal position can be kept by the pedal limiting block 8.

The upper end of the platform framework 10 is welded with a suspension fixing module mounting beam 5, and the suspension fixing module 1 penetrates through the suspension fixing module mounting beam 5 and can slide left and right along the suspension fixing module mounting beam 5.

The lower part of the platform framework 10 is fixed with a unit connecting piece 11 through bolts, and the unit connecting piece 11 can be connected with the common assembling unit 3 through bolts.

As shown in fig. 4, the common assembling unit 3 has substantially the same structure as the first assembling unit 2, and also includes a platform frame 10, and a hidden platform pedal 7 is also installed in an opening of the platform frame 10. Different from the first-section assembling unit 2, the platform framework 10 can be connected with the first-section assembling unit 2 or the common assembling unit 3 up and down through the unit connecting piece 11. And a stator supporting and adjusting rod 12 is installed on one side of the platform framework 10, a rotor supporting point 13 is installed on the other side of the platform framework, and anti-collision heads are arranged at the ends of the stator supporting and adjusting rod 12 and the rotor supporting point 13, so that the surface of a stator is prevented from being damaged.

The working process and principle are as follows: a first section of assembly unit 2 and a plurality of common assembly units 3 are assembled into a whole through a plurality of unit connecting pieces 11; a plurality of suspension fixing modules 1 are arranged on a suspension fixing module mounting beam 5 of the first section of the assembly unit 2, and are connected with magnetic pole hanging points (including but not limited to a T-shaped tail slot dovetail groove) on a rotor magnetic yoke by adjusting the distance between the suspension fixing modules 1 so as to achieve the purpose of fixing a platform; opening and adjusting the stator support adjusting rods 12 of the common assembling units 3, relatively fixing the platform and the stator, enabling the rotor supporting points 13 on the back of the platform to be close to the rotor magnetic yoke, and designing anti-collision materials at the end parts of the stator support adjusting rods 12 and the rotor supporting points 13 to avoid damaging the surface of the stator; a plurality of support adjusting rods 4 are arranged on a lower framework of the common assembly unit 3 at the bottom, and the length of each support adjusting rod 4 is adjusted, so that the aim of supporting and fixing the platform in an auxiliary mode is fulfilled. In the use, open and shut hidden footboard 7 one by one, form the ladder, the operation personnel go up and down through the ladder, open a plurality of footboards as required after arriving appointed height and form and overhaul the operation platform.

Claims

1. The utility model provides a special maintenance platform after generator rotor pulls out magnetic pole which characterized in that: comprises a suspension fixing module (1), a first section assembling unit (2), a common assembling unit (3) and a support adjusting rod (4);

the suspension fixing module (1) is sleeved on the first section of the assembling unit (2) in a sliding manner, and one end of the suspension fixing module is connected with a magnetic pole suspension point on a rotor magnetic yoke;

the first section of assembly unit (2), the common assembly units (3) and the adjacent common assembly units (3) are assembled through unit connecting pieces (11) to form a frame body, a plurality of stator support adjusting rods (12) are hinged to the two ends of the frame body from top to bottom, and the frame body and the stators are relatively fixed through the stator support adjusting rods (12); a plurality of hidden platform pedals (7) are hinged on the frame body between the left and right stator support adjusting rods (12), the hidden platform pedals (7) are locked by a spring locking pin (6) in a vertical state, the hidden platform pedals (7) are opened towards the direction of the stator, and the hidden platform pedals are kept horizontal by pedal limiting blocks (8) in a horizontal state;

the support adjusting rod (4) is installed at the bottom of the frame body, and the bottom end of the support adjusting rod (4) is fixed on the ground.

2. The special maintenance platform for the generator rotor after pole extraction according to claim 1, characterized in that: the whole body of the frame body is arc-shaped and is matched with the surface of the rotor magnetic yoke.

3. The special maintenance platform for the generator rotor after pole extraction according to claim 1, characterized in that: the upper end of the first section of assembly unit (2) is provided with a hanging fixed module mounting beam (5), and the hanging fixed module (1) is in sliding fit with the hanging fixed module mounting beam (5).

4. The special maintenance platform for the generator rotor after pole extraction according to claim 1, characterized in that: the back of the frame body is provided with a rotor supporting point (13), and the rotor supporting point (13) is tightly leaned against the rotor magnetic yoke.

5. The special overhaul platform for the generator rotor after pole extraction according to claim 4, wherein: and anti-collision heads are arranged at the end parts of the rotor supporting point (13) and the stator supporting and adjusting rod (12).