CN219223594U - Circular measuring frame for rotor of water turbine generator - Google Patents

Abstract

The utility model discloses a circular measuring frame for a rotor of a hydraulic turbine generator, and particularly relates to the technical field of assembly of the rotor of the hydraulic turbine generator. According to the circular measuring frame for the rotor of the water turbine generator, in actual work, the two second threaded rods rotate, when the two second threaded rods rotate, the two sliding blocks are driven to move, when the two sliding blocks move, the two positioning rods are driven to move, the diameter or the radius of the rotor main shaft can be measured by matching with the pointer, and a worker can measure the rotor main shafts with different radiuses by controlling the movement of the two second threaded rods through a built-in program, so that the measurement of the rotor main shafts with different radiuses is facilitated, and the measurement efficiency of the rotor main shafts with different radiuses can be effectively improved.

Description

A circular measuring frame for hydro turbine generator rotor

technical field

The utility model relates to the technical field of hydraulic generator rotor assembly, in particular to a hydraulic turbine generator rotor measuring round frame.

Background technique

The rotor is the core mechanism of the generator. In the vertical unit, the roundness of the rotor is directly related to the stability of the generator. After the unit has been running for a period of time, the magnetic poles of the generator rotor may become loose under the action of centrifugal force during the rotation process, resulting in an uneven magnetic field formed by the rotor. Therefore, it is very important to measure and adjust the roundness of the rotor during the maintenance process.

Due to the needs of production, the rotors produced are of different sizes, so when the device is measured, it is necessary to adjust the device according to the size of the rotor. However, the existing devices are more cumbersome to adjust, and it is easy to affect the accuracy of rotors with different radii. Measurement efficiency, therefore, in order to solve the above defects, the inventor proposes a hydro turbine generator rotor measuring circle frame.

Utility model content

The main purpose of the utility model is to provide a hydro turbine generator rotor measuring round frame, which can effectively solve the problem that the existing device is cumbersome to adjust and easily affects the measurement efficiency of rotors with different radii.

In order to achieve the above object, the technical scheme that the utility model takes is:

A hydro turbine generator rotor measuring round frame, including a workbench, a lift box for lifting is provided on one side of the top surface of the workbench, and a measuring rod for measurement is provided on the outer surface side of the lift box. One side of the top surface of the workbench is provided with a plurality of moving slots, and the top surface of the moving slots is provided with a fixing plate for fixing the rotor main shaft;

Two positioning rods are arranged inside the measuring rod.

Preferably, a first threaded rod is movably installed on one side of the inner bottom of the lifting box, and a first threaded rod is fixedly installed on the other side of the inner bottom of the lifting box, and the outer surface of the first threaded rod is movably connected with a lifting rod. rod, and the lifting rod is movably connected to the first screw rod, and the end of the lifting rod away from the lifting box is fixedly connected to the measuring rod;

One side of the outer surface of the first threaded rod is fixedly installed with a horizontal bevel gear, and one side of the outer surface of the lifting box is movably installed with a rotating rod, and one end of the rotating rod is fixedly installed with a vertical bevel gear, and the vertical bevel gear Mesh with horizontal bevel gear.

Preferably, a rotating handle is fixedly installed on the end of the rotating rod away from the vertical bevel gear.

Preferably, a support plate is fixedly installed inside the measuring rod, rotating sleeves are fixedly installed on both sides of the supporting plate, and second threaded rods are movably installed inside the two rotating sleeves, and the measuring rod Two second threaded rods are fixedly installed inside, and the two second threaded rods are respectively fixedly connected to both sides of the support plate, the outer surfaces of the two second threaded rods are movably connected with sliding blocks, and the two second threaded rods are movably connected with sliding blocks. The sliding blocks are respectively movably connected with the two second screw rods, and the two sliding blocks are respectively fixedly connected with the two positioning rods;

A first motor is fixedly installed on one side of the outer surface of the measuring rod, and a placement groove is provided on one side of the bottom surface of the measuring rod, and a second motor is fixedly installed inside the placement groove, and the first motor and the second motor The output ends are fixedly connected with two second threaded rods respectively.

Preferably, pointers are fixedly installed on one side of the two sliding blocks, and a measuring ruler is provided on one side of the outer surface of the measuring rod.

Preferably, bearings are fixedly installed inside the two rotating sleeves, and the two second threaded rods are respectively fixedly connected to the two bearings.

Preferably, a sliding bar is fixedly installed inside the moving slot, and a moving block is movably connected to the outer surface of the sliding bar, the top surface of the moving block is fixedly connected to the fixed plate, and an electric drive is fixedly installed inside the moving slot. push rod, and the output end of the electric push rod is fixedly connected with the moving block.

Preferably, the fixing plate is arc-shaped.

Compared with the prior art, the utility model has the following beneficial effects:

The utility model discloses a round frame for measuring the rotor of a hydraulic turbine generator. By setting a measuring rod, in actual work, the first motor and the second motor will drive two second threaded rods to rotate. When the two threaded rods rotate, they will drive the two sliding blocks to move. When the two sliding blocks move, they will drive the two positioning rods to move. With the pointer, the diameter or radius of the rotor main shaft can be measured, and by The first threaded rod rotates to drive the lifting rod and the measuring rod to go up and down, so that the radius or diameter of the rotor spindle at different heights can be measured, and the staff only need to control the movement of the two second threaded rods through the built-in program. The rotor main shafts with different radii are measured, so that the measurement of the rotor main shafts with different radii is facilitated, and the measurement efficiency for the rotor main shafts with different radii can be effectively improved.

Description of drawings

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

Fig. 2 is a structural schematic diagram of the lifting box of the present utility model;

Fig. 3 is the structural representation of measuring rod of the present utility model;

Fig. 4 is a structural schematic diagram of the rotating sleeve of the present utility model;

Fig. 5 is a structural schematic diagram of the workbench of the present invention.

Among the figure: 1, workbench; 2, lifting box; 3, moving slot; 4, measuring rod; 5, fixed plate; 201, first threaded rod; 202, horizontal bevel gear; 203, rotating rod; 204, vertical cone Gear; 205, turning handle; 206, the first screw mandrel; 207, lifting rod; 401, support plate; 402, rotating sleeve; 403, the second threaded rod; 404, the first motor; Rod; 407, pointer; 408, the second screw rod; 409, placement groove; 410, the second motor; 4021, bearing; 301, moving block; 302, slide bar; 303, electric push rod.

Detailed ways

In order to make the technical means, creative features, goals and effects achieved by the utility model easy to understand, the utility model will be further elaborated below in conjunction with specific embodiments.

The utility model discloses a hydro turbine generator rotor measuring round frame, as shown in Figure 1, comprising a workbench 1, one side of the top surface of the workbench 1 is provided with a lifting box 2 for lifting, and the outer surface of the lifting box 2 is a There is a measuring rod 4 for measurement on the side, and the lifting box 2 can drive the measuring rod 4 to go up and down. There are a plurality of moving grooves 3 on one side of the top surface of the workbench 1, and the top surface of the moving groove 3 is provided. The fixed plate 5, the fixed plate 5 can move, and when a plurality of fixed plates 5 move, the rotor main shaft can be fixed.

Next to the above practical example, as shown in Figure 2, a first threaded rod 201 is movably installed on one side of the inner bottom surface of the lifting box 2, and a first threaded rod 206 is fixedly installed on the other side of the inner bottom surface of the lifting box 2. The outer surface of the threaded rod 201 is movably connected with a lifting rod 207, and the lifting rod 207 is movably connected with the first screw rod 206. When the first threaded rod 201 rotates, it will drive the lifting rod 207 to lift, and the first screw rod 206 Then it can be avoided to rotate along with the rotation of the first threaded rod 201 when the lifting rod 207 is lifted, and the end of the lifting rod 207 away from the lifting box 2 is fixedly connected with the measuring rod 4. And when lifting, it will drive the measuring rod 4 to lift.

And, one side of the outer surface of the first threaded rod 201 is fixedly equipped with a horizontal bevel gear 202, when the horizontal bevel gear 202 rotates, it will drive the first threaded rod 201 to rotate, and one side of the outer surface of the lifting box 2 is movably installed with a Rotating rod 203, one end of rotating rod 203 is fixedly equipped with vertical bevel gear 204, when rotating rod 203 rotates, just can drive vertical bevel gear 204 to rotate, and vertical bevel gear 204 meshes with horizontal bevel gear 202, when rotating rod 203 When the vertical bevel gear 204 is driven to rotate, the horizontal bevel gear 202 will be driven to rotate, and then the elevating rod 207 will be driven to lift.

It should be noted that a rotating handle 205 is fixedly installed on the end of the rotating rod 203 away from the vertical bevel gear 204 , and the rotating handle 205 is convenient for the staff to rotate the rotating rod 203 .

In this practical example, when the staff holds and turns the rotating handle 205, it will drive the rotating rod 203 to rotate. When the rotating rod 203 rotates, it will drive the vertical bevel gear 204 to rotate, and then it will drive the horizontal bevel gear 202 to rotate. When the horizontal bevel gear 202 rotates, it will drive the first threaded rod 201 to rotate, and when the first threaded rod 201 rotates, it will drive the lifting rod 207 to rise and fall, and the measuring rod 4 will rise and fall along with the lifting rod 207 .

In order to facilitate the measurement of rotor spindles with different radii, as shown in Figure 3, a support plate 401 is fixedly installed inside the measuring rod 4, and rotating sleeves 402 are fixedly installed on both sides of the supporting plate 401, and the insides of the two rotating sleeves 402 A second threaded rod 403 is installed movably, and the second threaded rod 403 can rotate. The inside of the measuring rod 4 is fixedly equipped with two second screw rods 408, and the two second screw rods 408 are connected with the two sides of the support plate 401 respectively. side fixed connection, the outer surfaces of the two second threaded rods 403 are movably connected with sliding blocks 405, and the two sliding blocks 405 are respectively movably connected with the two second screw rods 408, when the two second threaded rods 403 rotate , it will drive the two sliding blocks 405 to move, and the second screw rod 408 can prevent the sliding block 405 from rotating with the rotation of the second threaded rod 403 when moving, and the two sliding blocks 405 are respectively positioned with the two The rods 406 are fixedly connected, and the two sliding blocks 405 can drive the two positioning rods 406 to move. By moving the two positioning rods 406, the radius or diameter of the rotor main shaft can be measured.

And, one side of the outer surface of the measuring rod 4 is fixedly installed with a first motor 404, one side of the bottom surface of the measuring rod 4 is provided with a placement groove 409, and the inside of the placement groove 409 is fixedly installed with a second motor 410, and the first motor 404 and The output ends of the second motor 410 are respectively fixedly connected with the two second threaded rods 403 , and the two second threaded rods 403 can be driven to rotate through the first motor 404 and the second motor 410 .

It should be noted that pointers 407 are fixedly installed on one side of the two sliding blocks 405. When the two sliding blocks 405 move, the two pointers 407 will be driven to move. Ruler, through the movement of the pointer 407 to cooperate with the measuring ruler, so that the staff can visually observe the radius or diameter of the rotor main shaft.

In this practical example, the lifting rod 207 drives the measuring rod 4 to rise to the top surface of the rotor main shaft, and then the first motor 404 and the second motor 410 drive the two second threaded rods 403 to rotate, and then the two sliding blocks 405 are driven to rotate. Move, and then drive the two positioning rods 406 to move. When the positioning rods 406 move, the pointer 407 will move along with the sliding block 405, so that the rotor spindles with different radii can be measured.

Immediately following the above practical example, as shown in Figure 4, bearings 4021 are fixedly installed inside the two rotating sleeves 402, and the two second threaded rods 403 are respectively fixedly connected to the two bearings 4021, and then the second threaded rods are supported 403, the second threaded rod 403 can be rotated.

In order to fix the rotor main shaft, as shown in Figure 5, a sliding bar 302 is fixedly installed inside the moving groove 3, and the outer surface of the sliding bar 302 is movably connected with a moving block 301, and the moving block 301 can be moved on the outer surface of the sliding bar 302. Slide, the top surface of the moving block 301 is fixedly connected with the fixed plate 5, when the moving block 301 moves, it will drive the fixed plate 5 to move, the inside of the moving slot 3 is fixedly equipped with an electric push rod 303, and the output of the electric push rod 303 end is fixedly connected with the moving block 301, and the electric push rod 303 can push the moving block 301 to move, and when a plurality of fixed plates 5 move along with the moving block 301, the rotor main shaft can be fixed.

It should be noted that the fixing plate 5 is arc-shaped, and the arc-shaped fixing plate 5 can be more attached to the surface of the rotor main shaft.

The working principle of the utility model is as follows: the staff will place the rotor main shaft to be measured between a plurality of fixed plates 5, and then start a plurality of electric push rods 303, and the electric push rods 303 will push the moving block 301 to move, when the moving block When 301 moves, it will drive the fixed plate 5 to move until multiple fixed plates 5 are in contact with the surface of the rotor main shaft to fix the rotor main shaft. Then, the staff holds and turns the rotating handle 205 to drive the rotating rod 203 Rotate with the vertical bevel gear 204, when the vertical bevel gear 204 rotates, it will drive the horizontal bevel gear 202 to rotate, and then drive the first threaded rod 201 to rotate, when the first threaded rod 201 rotates, it will drive the lifting rod 207 Lifting until the lifting rod 207 rises to the top surface of the rotor main shaft, after that, the staff starts the first motor 404 and the second motor 410 to drive the two second threaded rods 403 to rotate, when the two second threaded rods 403 When rotating, it will drive the two sliding blocks 405 to move. When the two positioning rods 406 move to both sides of the top surface of the rotor main shaft respectively, the diameter of the rotor main shaft can be measured. When one of the positioning rods 406 moves to the rotor shaft At the center of the top surface of the main shaft, another positioning rod 406 moves to one side of the top surface of the rotor main shaft, that is, the radius of the rotor main shaft is measured, and as the sliding block 405 moves, two pointers 407 are driven to point to different measurement positions. Ruler, so that the staff can visually observe the diameter or radius of the rotor main shaft.

The basic principles and main features of the present utility model and the advantages of the present utility model have been shown and described above. Those skilled in the industry should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model The new model also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their equivalents.

Claims (8)

1. The utility model provides a hydroturbine generator rotor circle measuring frame, includes workstation (1), its characterized in that: a lifting box (2) for lifting is arranged on one side of the top surface of the workbench (1), a measuring rod (4) for measuring is arranged on one side of the outer surface of the lifting box (2), a plurality of moving grooves (3) are formed on one side of the top surface of the workbench (1), and a fixing plate (5) for fixing a rotor spindle is arranged on the top surface of the moving grooves (3);

two positioning rods (406) are arranged in the measuring rod (4).

2. A turbine generator rotor rounding stand according to claim 1, characterized in that: a first threaded rod (201) is movably mounted on one side of the inner bottom surface of the lifting box (2), a first screw rod (206) is fixedly mounted on the other side of the inner bottom surface of the lifting box (2), a lifting rod (207) is movably connected to the outer surface of the first threaded rod (201), the lifting rod (207) is movably connected with the first screw rod (206), and one end, far away from the lifting box (2), of the lifting rod (207) is fixedly connected with the measuring rod (4);

the lifting box is characterized in that a transverse conical gear (202) is fixedly arranged on one side of the outer surface of the first threaded rod (201), a rotating rod (203) is movably arranged on one side of the outer surface of the lifting box (2), a vertical conical gear (204) is fixedly arranged at one end of the rotating rod (203), and the vertical conical gear (204) is meshed with the transverse conical gear (202).

3. A turbine generator rotor rounding stand according to claim 2, characterized in that: and a rotating handle (205) is fixedly arranged at one end of the rotating rod (203) far away from the vertical conical gear (204).

4. A turbine generator rotor rounding stand according to claim 1, characterized in that: the inside fixed mounting of measuring stick (4) has backup pad (401), the both sides of backup pad (401) are all fixed mounting to rotate cover (402), two the inside of rotating cover (402) is all movable mounting has second threaded rod (403), the inside fixed mounting of measuring stick (4) has two second lead screws (408), and two second lead screws (408) respectively with the both sides fixed connection of backup pad (401), two the surface of second threaded rod (403) is all movable connection has sliding block (405), and two sliding block (405) respectively with two second lead screws (408) swing joint, two sliding block (405) respectively with two locating lever (406) fixed connection;

the measuring rod is characterized in that a first motor (404) is fixedly arranged on one side of the outer surface of the measuring rod (4), a placing groove (409) is formed in one side of the bottom surface of the measuring rod (4), a second motor (410) is fixedly arranged in the placing groove (409), and output ends of the first motor (404) and the second motor (410) are fixedly connected with two second threaded rods (403) respectively.

5. The turbine generator rotor frame of claim 4 wherein: one side of each sliding block (405) is fixedly provided with a pointer (407), and one side of the outer surface of the measuring rod (4) is provided with a measuring ruler.

6. The turbine generator rotor frame of claim 4 wherein: the two rotating sleeves (402) are fixedly provided with bearings (4021) inside, and the two second threaded rods (403) are fixedly connected with the two bearings (4021) respectively.

7. A turbine generator rotor rounding stand according to claim 1, characterized in that: the inside fixed mounting of mobile groove (3) has slide bar (302), the surface swing joint of slide bar (302) has movable block (301), movable block (301) top surface and fixed plate (5) fixed connection, the inside fixed mounting of mobile groove (3) has electric push rod (303), and the output and the movable block (301) fixed connection of electric push rod (303).

8. A turbine generator rotor rounding stand according to claim 1, characterized in that: the fixing plate (5) is arc-shaped.

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