CN220118953U - Monitoring device for maintenance of generator stator of hydropower plant - Google Patents

Abstract

The utility model provides a hydroelectric power plant's generator stator maintains and uses monitoring devices, includes the box, installs moving mechanism on the box, and moving mechanism drives positioning mechanism and reciprocates or control and move, the removable camera of installing on the positioning mechanism; the positioning mechanism comprises a bin body, wherein return springs are fixed left and right in the bin body, one ends of the two return springs, which are opposite, are respectively fixed with a movable plate, the two movable plates are kept at intervals, the upper end of each movable plate passes through the bin body to be connected with a positioning block, and the two positioning blocks are clamped with a base at the lower part of the camera; when the two moving plates are close, the two positioning blocks are separated from the base. The monitoring device for maintenance of the generator stator of the hydropower plant is convenient to clean and maintain and convenient to use.

Description

Monitoring device for maintenance of generator stator of hydropower plant

Technical Field

The utility model relates to a generator stator, in particular to a monitoring device for maintenance of a generator stator of a hydropower plant.

Background

The generator stator is easy to be polluted by greasy dirt, dust and the like, if the generator stator is not timely cleaned, ventilation blockage can be caused, the insulativity is reduced, and the like, in the prior art, the positions of a ventilation ditch, a slot wedge, an iron core end part, a stator lower end part, an insulation box and the like are monitored through a camera before and after cleaning, the monitored suspicious or seriously polluted positions are subjected to important spray cleaning, the cleaning maintenance efficiency can be improved, the camera lens is also easy to be polluted by greasy dirt and dust, and because the camera is mostly installed at a designated position through bolts, when the camera is detached to clean and maintain the camera, the operation is troublesome, and time and labor are wasted.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide the monitoring device for the maintenance of the stator of the generator in the hydropower plant, and one camera can complete multipoint monitoring; meanwhile, the operation is simple, time and labor are saved, and cleaning and maintenance are facilitated.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a hydroelectric power plant's generator stator maintains and uses monitoring devices, includes the box, installs moving mechanism on the box, and moving mechanism drives positioning mechanism and reciprocates or control and move, the removable camera of installing on the positioning mechanism;

the positioning mechanism comprises a bin body, wherein return springs are fixed left and right in the bin body, one ends of the two return springs, which are opposite, are respectively fixed with a movable plate, the two movable plates are kept at intervals, the upper end of each movable plate passes through the bin body to be connected with a positioning block, and the two positioning blocks are clamped with a base at the lower part of the camera; when the two moving plates are close, the two positioning blocks are separated from the base.

The moving mechanism comprises a motor, the motor is installed in the box body, the output end of the motor is connected with a threaded rod, a threaded sleeve is connected to the threaded rod in a threaded mode, one end of the threaded sleeve extends out of the box body and is fixedly provided with a vertical plate, and the positioning mechanism is fixedly connected to the vertical plate.

The inner wall of box has seted up the spacing groove, and the outside fixed mounting of thread bush has the stopper, stopper and spacing groove sliding fit.

The lower end of each moving plate penetrates through the bin body and is connected with the operation plate.

The upper and lower ends of the box body are fixed with mounting plates, and mounting holes are formed in the mounting plates.

The utility model relates to a monitoring device for maintenance of a generator stator of a hydropower plant, which has the following technical effects:

1) Through setting up positioning mechanism, positioning mechanism can fix a position the camera, perhaps remove the location to the camera, when tearing down the camera and clear up it and maintain, the operation is comparatively simple, and labour saving and time saving to possess the advantage of being convenient for clear up and maintain, made things convenient for the use.

2) Through setting up moving mechanism, moving mechanism can drive the camera and remove, makes the camera monitor different positions, has reduced the number of using the camera, has saved the cost to possess the advantage of being convenient for remove, made things convenient for the use.

Drawings

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

fig. 1 is a front view of the present utility model.

Fig. 2 is a front cross-sectional view of the present utility model.

Fig. 3 is an enlarged partial schematic view at a in fig. 2.

Fig. 4 is a schematic structural view of a base in the present utility model.

In the figure: the camera 1, the case 2, the moving mechanism 3, the motor 31, the threaded rod 32, the threaded sleeve 33, the cross bar 34, the vertical plate 35, the positioning mechanism 4, the bin 41, the base 42, the return spring 43, the moving plate 44, the first moving rod 45, the operating plate 46, the second moving rod 47, the positioning block 48, the mounting plate 5 and the mounting hole 51.

Detailed Description

As shown in fig. 1-4, a monitoring device for maintenance of a stator of a hydroelectric power plant generator comprises a box body 2, wherein a moving mechanism 3 is arranged on the box body 2, the moving mechanism 3 drives a positioning mechanism 4 to move up and down, and a camera 1 is detachably and quickly arranged on the positioning mechanism 4. The moving mechanism 3 can drive the cameras 1 to move, so that the cameras 1 monitor different positions, the number of the cameras 1 is reduced, and the cost is saved. The positioning mechanism 4 can position the camera 1 or release the camera 1, and the operation is simpler, time-saving and labor-saving when the camera 1 is detached to clean and maintain.

The moving mechanism 3 comprises a motor 31, and the motor 31 is fixedly connected to the inner bottom wall of the box body 2. The output end of the motor 31 is connected with a threaded rod 32, the threaded rod 32 is arranged in the box body 2, and the other end of the threaded rod is rotatably connected with the box body 2 through a bearing. The outside screw thread of threaded rod 32 installs thread bush 33, and one side of thread bush 33 fixed mounting has the horizontal pole 34 that runs through and extend to the outside of box 2, and the one end that horizontal pole 34 kept away from thread bush 33 fixed mounting has riser 35, and positioning mechanism 4 fixed connection is on riser 35.

During operation, the motor 31 is started, the motor 31 drives the threaded rod 32 to rotate, the threaded rod 32 drives the threaded sleeve 33, the cross rod 34, the vertical plate 35, the positioning mechanism 4 and the camera 1 to move, so that the camera 1 monitors different positions, the number of cameras 1 is reduced, and the cost is saved.

Preferably, the inner wall of the box body 2 is provided with a limit groove, and the other side of the corresponding thread bush 33 is fixedly provided with a limit block which is in sliding fit with the limit groove. The limiting block linearly moves in the limiting groove, and the limiting groove limits the moving range of the limiting block.

The positioning mechanism 4 comprises a bin body 41, the bin body 41 is fixedly connected to the outside of the vertical plate 35, and a base 42 detachably connected with the bin body 41 is fixedly arranged at the lower part of the camera 1. The left and right inner walls of the bin body 41 are fixed with a return spring 43, one end of the return spring 43, which is far away from the inner wall of the bin body 41, is fixedly provided with a moving plate 44, the lower part of the moving plate 44 is fixedly provided with a first moving rod 45 penetrating through and extending to the outside of the bin body 41, one end of the first moving rod 45, which is far away from the moving plate 44, is fixedly provided with an operating plate 46, the upper part of the moving plate 44 is fixedly provided with a second moving rod 47 penetrating through the bin body 41 and extending to the inside of the base 42, and the outside of the second moving rod 47 is fixedly provided with a positioning block 48 positioned in the inside of the base 42.

Specifically, the operation plate 46 is L-shaped, so that the operation plate 46 is convenient to move, the operation plate 46 drives the first moving rod 45, the moving plate 44, the second moving rod 47 and the positioning block 48 to move, the moving plate 44 stretches the reset spring 43, then the base 42 is moved, the positioning block 48 is inserted into the base 42, the reset spring 43 is restored to deform by loosening the operation plate 46 to drive the second moving rod 47 and the positioning block 48 to move, and the positioning block 48 clamps the base 42 on the bin 41, so that the positioning can be completed; by moving the operation plate 46, the operation plate 46 drives the first moving rod 45, the moving plate 44, the second moving rod 47 and the positioning block 48 to move, the moving plate 44 stretches the return spring 43, and then the base 42 is moved, so that the positioning block 48 is moved out of the base 42, and the positioning can be released.

The bin 41 is provided with a moving hole, and the moving hole is matched with the moving range of the first moving rod 45. The first moving rod 45 moves linearly inside the moving hole, and the moving hole limits the moving range of the first moving rod 45.

The bin 41 and the base 42 are provided with positioning holes, the positioning holes are matched with the moving range of the second moving rod 47, and the moving holes are matched with the positioning blocks 48 in shape and size.

Specifically, the positioning block 48 is inserted into the base 42 through a positioning hole, and the positioning hole limits the movement range of the second movement rod 47.

Preferably, the top and the bottom of the box body 2 are fixedly provided with mounting plates 5, and mounting holes 51 are formed in the mounting plates 5. The number of the mounting holes 51 is not less than two, and bolts pass through the mounting holes 51 to mount the mounting plate 5 at specified positions.

Working principle and process:

1) And moving the operation plate 46, wherein the operation plate 46 drives the first moving rod 45, the moving plate 44, the second moving rod 47 and the positioning block 48 to move, the moving plate 44 stretches the return spring 43, and then the base 42 is moved, so that the positioning block 48 is inserted into the base 42. By loosening the operation plate 46, the return spring 43 resumes the deformation to drive the second moving rod 47 and the positioning block 48 to move, and the positioning block 48 clamps the base 42 on the bin body 41, thereby completing the positioning. By moving the operation plate 46, the operation plate 46 drives the first moving rod 45, the moving plate 44, the second moving rod 47 and the positioning block 48 to move, the moving plate 44 stretches the return spring 43, and then the base 42 is moved, so that the positioning block 48 is moved out of the base 42, and the positioning can be released;

2) Through opening motor 31, motor 31 drives threaded rod 32 and rotates, and threaded rod 32 drives thread bush 33, horizontal pole 34, riser 35, positioning mechanism 4 and camera 1 and removes, makes camera 1 monitor the position of difference, has reduced the number of using camera 1, has saved the cost to possess the advantage of being convenient for remove, made things convenient for the use.

Claims (5)

1. A monitoring device for maintenance of a generator stator of a hydropower plant is characterized in that: the camera comprises a box body (2), wherein a moving mechanism (3) is arranged on the box body (2), the moving mechanism (3) drives a positioning mechanism (4) to move up and down or left and right, and a camera (1) is detachably arranged on the positioning mechanism (4);

the positioning mechanism (4) comprises a bin body (41), return springs (43) are fixed left and right in the bin body (41), moving plates (44) are fixed at opposite ends of the two return springs (43), a space is kept between the two moving plates (44), the upper end of each moving plate (44) penetrates through the bin body (41) to be connected with a positioning block (48), and the two positioning blocks (48) are clamped with a base (42) at the lower part of the camera (1); when the two moving plates (44) are close, the two positioning blocks (48) are separated from the base (42).

2. The monitoring device for maintenance of a hydroelectric generator stator according to claim 1, wherein: the moving mechanism (3) comprises a motor (31), the motor (31) is installed in the box body (2), the output end of the motor (31) is connected with a threaded rod (32), a threaded sleeve (33) is connected to the threaded rod (32) in a threaded mode, one end of the threaded sleeve (33) extends out of the box body (2) to be fixedly provided with a vertical plate (35), and the positioning mechanism (4) is fixedly connected to the vertical plate (35).

3. The monitoring device for maintenance of a hydroelectric power generator stator according to claim 2, wherein: the inner wall of box (2) has seted up the spacing groove, and the outside fixed mounting of thread bush (33) has the stopper, stopper and spacing groove sliding fit.

4. The monitoring device for maintenance of a hydroelectric generator stator according to claim 1, wherein: the lower end of each movable plate (44) passes through the bin body (41) and is connected with the operation plate (46).

5. The monitoring device for maintenance of a hydroelectric generator stator according to claim 1, wherein: the upper end and the lower end of the box body (2) are fixed with mounting plates (5), and mounting holes (51) are formed in the mounting plates (5).