阅读说明：本技术 一种励磁机转子储运箱及储运方法 (Exciter rotor storage and transportation box and storage and transportation method ) 是由 吴志强 莫晶晶 张瑞 柳潇 申雁鹏 张煦 毛金福 王欣 高威 孙蓉晖 于 2020-07-14 设计创作，主要内容包括：本发明属于机械装置领域,具体涉及一种励磁机转子储运箱及储运方法,该储运箱包括箱体、尼龙板、发电机侧径向定位装置、自由侧径向定位装置、铝合金盖板、温湿度计、箱盖和轴向定位螺栓,其中箱盖和箱体的顶部连接,温湿度计放置于箱体内部,发电机侧径向定位装置和自由侧径向定位装置分别固定安装在箱体的发电机侧和自由侧,尼龙板安装在箱体的发电机侧,箱体的自由侧通过轴向定位螺栓和铝合金盖板连接。本发明在转子吊运过程中可防止转子发生轴向、径向位移,保证励磁机转子安全性,可实时观察内部温湿度,便于转子可靠保养,保证转子的可用性,具备一定的推广应用前景,可为同类型结构的转子储运提供可靠的参考方法。(The invention belongs to the field of mechanical devices, and particularly relates to an exciter rotor storage and transportation box and a storage and transportation method. The invention can prevent the rotor from generating axial and radial displacement in the rotor lifting process, ensures the safety of the exciter rotor, can observe the internal temperature and humidity in real time, is convenient for the reliable maintenance of the rotor, ensures the usability of the rotor, has certain popularization and application prospects, and can provide a reliable reference method for the storage and transportation of the rotors with the same type of structures.)

1. An exciter rotor storage and transportation box is characterized in that: the storage and transportation box comprises a box body (1), a nylon plate (3), a generator side radial positioning device (4), a free side radial positioning device (5), an aluminum alloy cover plate (6), a hygrothermograph (7), a box cover (8) and an axial positioning bolt (9), wherein the box cover (8) is connected with the top of the box body (1), the hygrothermograph (7) is placed inside the box body (1), the generator side radial positioning device (4) and the free side radial positioning device (5) are respectively and fixedly installed on the generator side and the free side of the box body (1), the nylon plate (3) is installed on the generator side of the box body (1), and the free side of the box body (1) is connected with the aluminum alloy cover plate (6) through the axial positioning bolt (9).

2. An exciter rotor storage and transport box according to claim 1, wherein: the box body (1) is provided with an observation window (2).

3. An exciter rotor storage and transport box according to claim 2, wherein: the nylon plate (3) is arranged between the side surface of the generator side of the box body (1) and the radial positioning device (4) of the generator side, and the side conductive surface of the generator is protected.

4. An exciter rotor storage and transport box according to claim 3, wherein: the short edges of the top of the box body (1) are respectively provided with a lock catch, the long edges are respectively provided with two lock catches, and the box cover (8) is connected with the box body (1) through the lock catches.

5. An exciter rotor storage and transport box according to claim 4, wherein: the generator side radial positioning device (4) comprises a top arc movable cover plate I (10), a bottom fixed arc shaft platform I (11) and a connecting bolt I (12), and the top arc movable cover plate I (10) and the bottom fixed arc shaft platform I (11) are fixedly connected through the connecting bolt I (12).

6. An exciter rotor storage and transport box according to claim 5, wherein: the top arc-shaped movable cover plate I (10) and the inner circle of the bottom fixed arc-shaped pillow block I (11) are bonded with wool felt.

7. An exciter rotor storage and transport box according to claim 6, wherein: the free side radial positioning device (5) comprises a second top arc-shaped movable cover plate (13), a second bottom fixed arc-shaped shaft platform (14) and a second connecting bolt (15), and the second top arc-shaped movable cover plate (13) and the second bottom fixed arc-shaped shaft platform (14) are fixedly connected through the second connecting bolt (15).

8. An exciter rotor storage and transport box according to claim 7, wherein: and the inner circle of the top arc-shaped movable cover plate II (13) and the bottom fixed arc-shaped pillow block II (14) is bonded with wool felt.

9. An exciter rotor storage and transport box according to claim 8, wherein: the first top arc-shaped movable cover plate (10) and the second top arc-shaped movable cover plate (13) are made of aluminum alloy materials.

10. Method for storing and transporting an exciter rotor storage box according to any one of claims 1 to 9, characterized in that it comprises the following steps:

step (1) hoisting a box cover (8), hoisting a rotor, and slowly dropping the rotor into the box body (1);

step (2) an axial positioning bolt (9) and a free side radial positioning device (5) are installed on the free side, and a generator side radial positioning device (4) is installed on the generator side;

after the rotor is checked to be abnormal, starting a hygrothermograph (7), placing a drying agent on the rotor, and observing the condition of the internal drying agent through an observation window (2);

and (4) reinstalling the box cover (8), and smearing the sealant at the seam of the box cover (8) for sealing.

Technical Field

The invention belongs to the field of mechanical devices, and particularly relates to an exciter rotor storage and transportation box and a storage and transportation method.

Background

The exciter generally adopts a brushless excitation mode: the alternating current output by the exciting transformer is rectified and then is transmitted to a stator magnetic pole winding of the exciter to establish a magnetic field; the exciter rotor rotates to cut magnetic lines of force to generate alternating current induction current; the induced current generates direct current after being rectified by the rotating rectifier, and the direct current passes through a direct current bus on the rotor body and the conducting rod and is connected with a generator rotor excitation winding through a current-carrying bus to provide excitation current for the generator. The exciter rotor is the center of electromagnetic energy transfer of the whole generator set, the failure of the exciter rotor can cause the loss of excitation of the generator, and the unit is stopped, so that the safe and stable operation of the exciter rotor is particularly important.

Because defects such as direct current bus cracks, insulation ring aging and cracking and the like can occur in the running process of the rotor, damaged parts of the rotor need to be replaced and maintained when the running of a unit is damaged. The original rotor storage box is a wooden box body and has the defects of poor strength, insufficient moisture-proof function and the like.

Therefore, it is necessary to provide a storage and transportation box and a storage and transportation method for the exciter rotor, so as to ensure the reliability of the exciter rotor during transportation and storage, and solve the defects of the prior art.

Disclosure of Invention

The invention aims to provide an exciter rotor storage and transportation box and an exciter rotor storage and transportation method aiming at the defects of the prior art, which are used for solving the technical problems of poor box body strength, insufficient moisture-proof function and the like in the prior art, ensuring the reliability of an exciter rotor in the transportation and storage processes and ensuring the availability of the exciter rotor.

The technical scheme of the invention is as follows:

the utility model provides an exciter rotor warehousing and transportation case, this warehousing and transportation case includes the box, the nylon board, generator side radial positioning device, free side radial positioning device, the aluminum alloy apron, the warm and humid acidimeter, case lid and axial positioning bolt, wherein the top of case lid and box is connected, the warm and humid acidimeter is placed inside the box, generator side radial positioning device and free side radial positioning device are fixed mounting respectively in the generator side and the free side of box, the nylon board is installed in the generator side of box, the free side of box passes through axial positioning bolt and aluminum alloy apron connects.

The box body is provided with an observation window.

The nylon plate is arranged between the side surface of the generator side of the box body and the radial positioning device of the generator side, and the side conductive surface of the generator is protected.

The short edges of the top of the box body are respectively provided with a lock catch, the long edges of the top of the box body are respectively provided with two lock catches, and the box cover is connected with the box body through the lock catches.

The generator side radial positioning device comprises a top arc-shaped movable cover plate I, a bottom fixed arc-shaped shaft platform I and a connecting bolt I, wherein the top arc-shaped movable cover plate I and the bottom fixed arc-shaped shaft platform I are fixedly connected through the connecting bolt I.

And the inner circle of the first top arc-shaped movable cover plate and the first bottom fixed arc-shaped pillow block is bonded with wool felt.

The free side radial positioning device comprises a top arc-shaped movable cover plate II, a bottom fixed arc-shaped shaft platform II and a connecting bolt II, wherein the top arc-shaped movable cover plate II and the bottom fixed arc-shaped shaft platform II are fixedly connected through the connecting bolt II.

And the inner circle of the top arc-shaped movable cover plate II and the bottom fixed arc-shaped pillow block II is bonded with wool felt.

The first top arc-shaped movable cover plate and the second top arc-shaped movable cover plate are made of aluminum alloy materials.

The storage and transportation method of the exciter rotor storage and transportation box comprises the following steps:

step (1) hoisting a box cover, hoisting a rotor, and slowly dropping the rotor into the box body;

step (2) an axial positioning bolt and a free side radial positioning device are arranged on the free side, and a generator side radial positioning device is arranged on the generator side;

step (3) after the rotor is checked to be abnormal, starting a hygrothermograph, meanwhile, placing a drying agent on the rotor, and observing the condition of the drying agent inside through an observation window;

and (4) returning the box cover, smearing the sealant at the joint of the box cover, and sealing.

The invention has the following beneficial effects:

(1) the invention provides a special storage and transportation box for a brushless exciter rotor, which ensures the safety and reliability of the exciter rotor;

(2) the invention can prevent the rotor from generating axial and radial displacement in the rotor lifting process, and ensure the safety of the exciter rotor;

(3) during the storage period of the rotor, the temperature and humidity inside the rotor can be observed in real time, the rotor is convenient to maintain reliably, and the usability of the rotor is ensured;

(4) the method fills the domestic blank, has certain popularization and application prospects, and can provide a reliable reference method for storage and transportation of rotors with the same type of structures.

Drawings

Fig. 1 is a schematic structural view of an exciter rotor storage and transportation box provided by the invention;

FIG. 2 is a schematic view of the exciter rotor generator side radial positioning device according to the present invention;

FIG. 3 is a schematic view of the exciter rotor storage and transportation free side radial positioning device provided by the present invention;

in the figure: 1-a box body; 2-an observation window; 3-nylon board; 4-generator-side radial positioning means; 5-free side radial positioning means; a 6-aluminum alloy cover plate; 7-hygrothermograph; 8-box cover; 9-axial positioning bolts; 10-a first arc-shaped movable cover plate at the top; 11-fixing an arc-shaped pillow block I at the bottom; 12-connecting bolt one; 13-a second arc-shaped movable cover plate at the top; 14-fixing an arc-shaped shaft platform II at the bottom; and 15, connecting a second bolt.

Detailed Description

The present technology is further described below:

as shown in fig. 1, the exciter rotor storage and transportation box provided by the invention comprises a box body 1, an observation window 2, a nylon plate 3, a generator side radial positioning device 4, a free side radial positioning device 5, an aluminum alloy cover plate 6, a hygrothermograph 7, a box cover 8 and an axial positioning bolt 9.

The box cover 8 is connected with the box body 1 through a lock catch, the short sides of the box body 1 are respectively provided with one lock catch, and the long sides of the box body are respectively provided with two lock catches; the hygrothermograph 7 is placed in the box body 1, and the box body 1 is provided with an observation window 2 so as to check the temperature and humidity in the box; the generator side radial positioning device 4 and the free side radial positioning device 5 are respectively and fixedly installed on the generator side and the free side of the box body 1 and used for carrying out radial positioning on the generator side coupling rear axle table and radial positioning on the free side axle table, and radial stability of the rotor in the transportation or hoisting process is guaranteed. The axial positioning bolt 9 is connected with the free side of the box body 1 through a bolt, so that the axial stability of the rotor in the transportation or hoisting process is ensured; the central position of the aluminum alloy cover plate 6 is connected with an axial positioning bolt 9 and is used for axially positioning the rotor; the nylon plate 3 is arranged between the side surface of the generator side of the box body 1 and the radial positioning device 4 of the generator side and used for protecting the side conductive surface of the hair generator so as to prevent an electric loop from being damaged.

As shown in fig. 2, the generator-side radial positioning device 4 is composed of a top arc-shaped movable cover plate one 10, a bottom fixed arc-shaped pillow block one 11 and a connecting bolt one 12. Wherein, the first top arc movable cover plate 10 and the first bottom fixed arc shaft 11 are fixedly connected by a connecting bolt 12, and the felted wool is protected by the first top arc movable cover plate 10 and the first bottom fixed arc shaft 11. The diameter of the top arc-shaped removable cover plate 10 in the generator-side radial positioning device 4 is 516 mm.

As shown in FIG. 3, the free-side radial positioning device 5 is composed of a second top arc-shaped movable cover plate 13, a second bottom fixed arc-shaped pillow block 14 and a second connecting bolt 15. Wherein the second top arc-shaped movable cover plate 13 and the second bottom fixed arc-shaped shaft 14 are fixedly connected by a second connecting bolt 15, and the felted wool is bonded in the second top arc-shaped movable cover plate 13 and the second bottom fixed arc-shaped shaft 14 for protection. The diameter of the second top arc-shaped movable cover plate 13 in the free side radial positioning device 5 is 350 mm.

The first top arc-shaped movable cover plate 10 and the second top arc-shaped movable cover plate 13 are made of aluminum alloy materials.

The invention also provides a storage and transportation method of the exciter rotor storage and transportation box, which comprises the following steps:

step (1), hoisting a box cover 8, then hoisting a rotor, and slowly dropping the rotor into a box body 1;

step (2) installing an axial positioning bolt 9 and a free side radial positioning device 5 on the free side, and installing a generator side radial positioning device 4 on the generator side;

after the rotor is checked to be abnormal, starting a hygrothermograph 7, meanwhile, placing a drying agent on the rotor, and observing the condition of the drying agent inside through an observation window 2;

and (4) returning the box cover 8, and smearing the sealant at the joint of the box cover 8 for sealing.

The present invention has been described in detail with reference to the embodiments, but the present invention is not limited to the embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge of those skilled in the art. The prior art can be adopted in the content which is not described in detail in the invention.