CN219697463U

CN219697463U - Special anti-skid tool for offline of generator stator

Info

Publication number: CN219697463U
Application number: CN202320639503.8U
Authority: CN
Inventors: 李水先; 魏兴波; 梅益明; 韦志鹏; 马博超
Original assignee: Hubei Qingjiang Hydroelectric Development Co ltd
Current assignee: Hubei Qingjiang Hydroelectric Development Co ltd
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-09-15
Anticipated expiration: 2033-03-28

Abstract

The utility model relates to the technical field of overhauling of hydroelectric generating sets, and provides a special tool for offline anti-skid of a generator stator, which comprises the following components: the upper plate is arranged at the bottom of the upper plate, the lower plate is detachably connected with the upper plate, a second nut is fixedly arranged at the top of the upper plate, and a third nut is fixedly arranged at the bottom of the lower plate; the limiting component is arranged at the bottom of the lower plate, and the center of the limiting component is connected with a second quick-pressure screw rod through threads; the limiting holes are respectively penetrated through the tops of the upper plate and the lower plate, and the upper plate is clamped with a first quick-pressure screw rod through the limiting holes; the first nut is fixedly arranged at the bottom of the lower plate, the first quick-press screw rod, the second quick-press screw rod and the limiting component are arranged through the upper plate, the lower plate and the limiting component, the first quick-press screw rod and the second quick-press screw rod are special tools, a compaction mode is adopted, damage caused by falling of a wire rod during the stator winding is avoided, and the stator winding device has the advantages of being simple in structure, convenient to operate, common in materials, simple and convenient to process and low in manufacturing cost.

Description

Special anti-skid tool for offline of generator stator

Technical Field

The utility model relates to the technical field of overhauling of hydraulic generators, in particular to a special tool for offline anti-skid of a generator stator.

Background

During the stator winding of the generator, in order to ensure the stator winding quality and meet the requirements of dust prevention, heat preservation, moisture prevention and dehumidification of the stator winding, a motor base upper annular plate (connecting ring) and the ground of the generator are used as a foundation, a stator dust-proof shed is erected, an electric hoist rail bracket for wire embedding is fixed, during the stator winding, a stator wire rod is firmly bound through a soft hanging strip, and the wire rod is lifted to a designated winding slot position by an electric hoist lifting hook on a ring-shaped rail.

When the stator bar is embedded, the bevel edge of the bar is required to be lifted by a soft sling, the bar is lifted to the designated wire slot position by an electric hoist lifting hook on the annular track, the bar is lifted by the soft sling, so that the bar has a large potential safety hazard, the bar is not high in friction force due to the fact that the bar is smooth, the bar is at risk of sliding down, the bar can be damaged due to sliding down, for example, the bar falls above the installed bar, the installed bar is further damaged, and the reworking problem is caused.

Disclosure of Invention

The utility model provides a special tool for offline anti-skid of a generator stator, which solves the problem that a central line bar in the related art has a sliding risk potential safety hazard.

The technical scheme of the utility model is as follows: a generator stator offline anti-slip special tool, comprising:

the upper plate is arranged at the bottom of the upper plate, the lower plate is detachably connected with the upper plate, a second nut is fixedly arranged at the top of the upper plate, and a third nut is fixedly arranged at the bottom of the lower plate;

the limiting component is arranged at the bottom of the lower plate, and a quick-press screw II is connected to the center of the limiting component through threads;

the limiting holes are respectively formed in the tops of the upper plate and the lower plate in a penetrating mode, and the upper plate is clamped with a first quick-pressure screw rod through the limiting holes;

the first nut is fixedly arranged at the bottom of the lower plate, and one end of the first quick-press screw penetrates through the limiting hole and is in threaded connection with the first nut;

the first anti-slip layer is arranged on the top of the lower plate;

and the second anti-slip layer is arranged at the bottom of the upper plate.

Preferably, the limiting assembly comprises a nut IV, a threaded rod and a nut V, the center of the nut IV is in threaded connection with the outer side wall of the quick-pressing screw rod II, the threaded rods are located on two sides of the nut IV, and one end of each threaded rod penetrates through the nut III and the nut V to be in threaded connection.

Preferably, the top of the upper plate is provided with a limit groove, and the upper plate is clamped with a antiskid plate through the limit groove.

Preferably, a clamping plate is fixedly arranged on one side of the antiskid plate, and a clamping groove is formed in one side of the clamping plate.

Preferably, the inside slip joint of upper plate has the movable plate, one side fixed mounting of movable plate has the clamping rod, the movable plate is kept away from one side fixedly connected with spring of clamping rod, the one end of spring with upper plate inner wall one side fixed connection, the one end of clamping rod with joint between the draw-in groove.

Preferably, the sliding rails are fixedly arranged on two sides of the inner wall of the upper plate, and the sliding rails are in sliding clamping connection with the movable plate.

Preferably, the first anti-slip layer and the second anti-slip layer are made of rubber.

The working principle and the beneficial effects of the utility model are as follows:

1. according to the utility model, through the upper plate, the lower plate, the first quick-press screw, the second quick-press screw and the limiting component, the first quick-press screw and the second quick-press screw are special tools, and a compaction mode is adopted, so that damage caused by falling of a wire rod during stator offline is avoided, the installation time is prolonged, the structure is simple, the operation is convenient, the materials are common, the processing is simple and convenient, and the manufacturing cost is low;

2. according to the utility model, the first anti-slip layer and the second anti-slip layer are arranged, and the rubber is adopted for anti-slip, so that the flexibility of the rubber can protect the wire rod from being damaged while the anti-slip effect is achieved.

Drawings

FIG. 1 is a schematic overall perspective view of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

fig. 3 is a schematic perspective view of the upper and lower plates of the present utility model.

In the figure: 1. an upper plate; 2. a lower plate; 3. a limiting hole; 4. a first quick-press screw; 5. a first nut; 6. a second nut; 7. a third nut; 8. a quick-press screw II; 9. a limit component; 91. a screw cap IV; 92. a threaded rod; 93. a fifth screw cap; 10. a limit groove; 11. a cleat; 12. a clamping plate; 13. a moving plate; 14. a clamping rod; 15. a spring; 16. a slide rail; 17. an anti-slip layer I; 18. and an anti-slip layer II.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill 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.

Referring to fig. 1-3, the present utility model provides a technical solution for a special tool for offline anti-skid of a generator stator, comprising: the upper plate 1 is arranged on the lower plate 2 at the bottom of the upper plate 1, the lower plate 2 is detachably connected with the upper plate 1, a second nut 6 is fixedly arranged at the top of the upper plate 1, and a third nut 7 is fixedly arranged at the bottom of the lower plate 2; the limiting component 9 is arranged at the bottom of the lower plate 2, and a quick-press screw rod II 8 is connected to the center of the limiting component 9 through threads; the limiting assembly 9 comprises a fourth nut 91, a threaded rod 92 and a fifth nut 93, the center of the fourth nut 91 is in threaded connection with the outer side wall of the second quick-press screw 8, the threaded rods 92 are positioned on two sides of the fourth nut 91, one end of each threaded rod 92 penetrates through the threaded connection between the third nut 7 and the fifth nut 93, the limiting holes 3 penetrate through the tops of the upper plate 1 and the lower plate 2, and the first quick-press screw 4 is clamped on the upper plate 1 through the limiting holes 3; the first nut 5 is fixedly arranged at the bottom of the lower plate 2, and one end of the first quick-press screw 4 penetrates through the limiting hole 3 and is in threaded connection with the first nut 5; the first anti-slip layer 17 is arranged on the top of the lower plate 2; the second anti-slip layer 18 is arranged at the bottom of the upper plate 1;

when the wire rod is used, the upper plate 1 and the lower plate 2 are clamped on two sides of the wire rod, the first quick-press screw 4 penetrates through the limiting hole 3 and is connected with the first screw cap 5, two ends of the threaded rod 92 penetrate through the third screw cap 7, the fifth screw cap 93 is connected with the threaded rod 92, the bottom end of the second quick-press screw 8 is screwed on the center of the fourth screw cap 91, the first quick-press screw 4 and the second quick-press screw 8 are pressed, the upper plate 1 and the lower plate 2 are tightly attached on two sides of the wire rod, when the hanging strip is loose, the hanging strip is prevented from sliding, and therefore the purpose of preventing the wire rod from falling and damaging is achieved.

Specifically, the top of the upper plate 1 is provided with a limit groove 10, and the upper plate 1 is clamped with a antiskid plate 11 through the limit groove 10;

the second quick-pressure screw rod 8 is contacted with the antiskid plate 11, so that the upper part of the second quick-pressure screw rod 8 is prevented from sliding.

Specifically, a clamping plate 12 is fixedly installed on one side of the antiskid plate 11, a clamping groove is formed in one side of the clamping plate 12, a movable plate 13 is slidably clamped in the upper plate 1, a clamping rod 14 is fixedly installed on one side of the movable plate 13, a spring 15 is fixedly connected to one side, away from the clamping rod 14, of the movable plate 13, one end of the spring 15 is fixedly connected with one side of the inner wall of the upper plate 1, one end of the clamping rod 14 is clamped with the clamping groove, sliding rails 16 are fixedly installed on two sides of the inner wall of the upper plate 1, and sliding clamping is performed between the sliding rails 16 and the movable plate 13;

the movable plate 13 is pulled to move the compression spring 15 through the sliding rail 16, and the movable plate 13 drives the clamping rod 14 to be separated from the clamping plate 12, so that the antiskid plate 11 is convenient to take down and replace.

Specifically, the first anti-slip layer 17 and the second anti-slip layer 18 are made of rubber;

the first anti-slip layer 17 and the second anti-slip layer 18 are matched to prevent slipping, so that the flexibility of the rubber can protect the wire rod from being damaged while the anti-slip effect is achieved.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims

1. The utility model provides a generator stator off-line antiskid specialized tool which characterized in that includes:

the upper plate (1) and the lower plate (2) arranged at the bottom of the upper plate (1), wherein the lower plate (2) is detachably connected with the upper plate (1), a second nut (6) is fixedly arranged at the top of the upper plate (1), and a third nut (7) is fixedly arranged at the bottom of the lower plate (2);

the limiting assembly (9) is arranged at the bottom of the lower plate (2), and a quick-press screw rod II (8) is connected to the center of the limiting assembly (9) through threads;

the limiting holes (3) are respectively formed in the tops of the upper plate (1) and the lower plate (2) in a penetrating mode, and the upper plate (1) is clamped with a first quick-pressure screw rod (4) through the limiting holes (3);

the first nut (5) is fixedly arranged at the bottom of the lower plate (2), and one end of the first quick-press screw rod (4) penetrates through the limit hole (3) and is in threaded connection with the first nut (5);

the first anti-slip layer (17) is arranged on the top of the lower plate (2);

and the second anti-slip layer (18) is arranged at the bottom of the upper plate (1).

2. The special tool for offline anti-skid of generator stator according to claim 1, wherein the limit component (9) comprises a fourth nut (91), a threaded rod (92) and a fifth nut (93), the center of the fourth nut (91) is in threaded connection with the outer side wall of the second quick-pressing screw (8), the threaded rods (92) are located on two sides of the fourth nut (91), and one end of each threaded rod (92) penetrates through the third nut (7) and the fifth nut (93) to be in threaded connection.

3. The special tool for offline anti-skid of the generator stator according to claim 1, wherein a limit groove (10) is formed in the top of the upper plate (1), and the upper plate (1) is clamped with an anti-skid plate (11) through the limit groove (10).

4. The special tool for offline anti-skid of generator stator according to claim 3, wherein a clamping plate (12) is fixedly installed on one side of the anti-skid plate (11), and a clamping groove is formed on one side of the clamping plate (12).

5. The special tool for preventing the generator stator from being taken off line according to claim 4, wherein a movable plate (13) is clamped in the upper plate (1) in a sliding manner, a clamping rod (14) is fixedly arranged on one side of the movable plate (13), a spring (15) is fixedly connected to one side, away from the clamping rod (14), of the movable plate (13), one end of the spring (15) is fixedly connected with one side of the inner wall of the upper plate (1), and one end of the clamping rod (14) is clamped with the clamping groove.

6. The special tool for preventing the generator stator from being taken off line according to claim 5, wherein sliding rails (16) are fixedly arranged on two sides of the inner wall of the upper plate (1), and the sliding rails (16) are in sliding clamping connection with the movable plate (13).

7. The special tool for offline anti-skid of the generator stator according to claim 1, wherein the first anti-skid layer (17) and the second anti-skid layer (18) are made of rubber.