Rotor turn-to-turn fault positioning device

Abstract

The utility model discloses a rotor turn-to-turn fault positioning device, which comprises a base, two sides of the top end of the base are connected with sliding blocks in a sliding manner, the sliding blocks are provided with a fixing frame, the fixing frame is provided with a first electric push rod, the bottom end of the first electric push rod is provided with a connecting plate, the bottom end of the connecting plate is provided with a detection plate, and the top end of the base is provided with a transmission device. A limiting device is arranged at the top end of the base, a fixing seat is arranged in the middle of the front side of the top end of the base, a rotating hole is formed in the fixing seat, a rotating table is rotationally connected into the rotating hole, a three-jaw chuck is arranged on the rotating table, and a first driven gear is fixedly connected to the front end of the rotating table; the bottom end of the first driven gear is meshed with a first transmission gear, and a detector is arranged on the base. The advantages of the utility model are that the transmission device is arranged and can drive the two detection plates to displace, so that different areas of the rotor electromagnetic column can be detected in real time; and the limiting device is arranged to be matched with the three-jaw chuck to limit the rotor electromagnetic columns with different sizes.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of interturn detection, and particularly relates to a rotor interturn fault positioning device. BACKGROUND

[0002] The motor rotor refers to the rotating part in the motor, which is used to realize the conversion device of electric energy and mechanical energy and mechanical energy and electric energy, the motor is composed of two parts of the rotor and the stator, the rotor interturn fault is a common problem of the motor, which seriously affects the performance and service life of the motor, at this time, a rotor interturn fault positioning device is needed to help users detect the fault place of the motor rotor.

[0003] Chinese patent CN214895683U discloses a high-voltage motor interturn withstand voltage and fault positioning device, which comprises a bottom plate, two long grooves are formed on the outer side of the top of the bottom plate, a first sliding block is movably installed in the two long grooves, a guide rail frame is fixedly installed on the top of the first sliding block, an electric guide rail is movably sleeved on the outer side of the top of the guide rail frame, a telescopic rod is fixedly installed on the bottom of the electric guide rail, a measuring ring is fixedly installed on the bottom of the telescopic rod, a hinge is movably installed on one side of the inside of the measuring ring, a pin shaft is movably installed on the other side of the inside of the measuring ring, and a fixing frame is fixedly installed on one side of the top of the bottom plate. Through the electromagnetic column, the magnet can be generated during the use of the equipment, and then the motor is driven to rotate, the rotation of the motor is simulated, and then the data collected by the measuring ring through the cutting of the magnetic induction line is detected to detect the short circuit point. The rotor is movably installed on the output end of the limiting bearing and the rotating motor for detection, and the adaptability of the product is optimized. However, there are still defects that can be improved:

[0004] 1. In the utility model, the sliding block is connected in the sliding groove, and then the sliding block drives the guide rail frame to displace. However, it should be pointed out that there is no limiting device between the sliding groove and the sliding block, and after the sliding block drives the guide rail to slide to the specified position, it cannot be fixed. When the rotating motor drives the rotor to rotate, a large amount of vibration will be generated, which will cause the sliding block to slide spontaneously, thereby reducing the accuracy of subsequent detection.

[0005] 2. In the scheme, the rotating motor and the limiting bearing are used to rotate the electromagnetic column. However, it should be pointed out that the electromagnetic column is limited by the limiting bearing, which is not convenient to disassemble. At the same time, it should be pointed out that the limiting bearing can only limit the electromagnetic column of a fixed size, and it is difficult to limit the electromagnetic column of other sizes, which greatly limits the use scene of the equipment.

[0006] The information disclosed in this BACKGROUND section is only intended to increase an understanding of the general background of the application, and should not be taken as an acknowledgement or any form of suggestion that this information forms prior art that is already known to those of ordinary skill in the art. CONTENT OF THE UTILITY MODEL

[0007] The utility model discloses to solve the technical problem is overcome above -mentioned problem, provide a rotor interturn fault positioning device.

[0008] To solve the above technical problems, the utility model provides a technical scheme for a rotor interturn fault positioning device, comprising:

[0009] The base top of both sides is slidably connected with the sliding block, and the top of both sides of the sliding block is fixedly connected with the inverted N-shaped fixing frame, the middle part of the fixing frame top wall is fixedly connected with the electric push rod one, the bottom of the electric push rod one is fixedly connected with the connecting plate, and both sides of the connecting plate bottom are fixedly connected with the detection plate.

[0010] The transmission device is arranged on the top of the base, the transmission device comprises two threaded rods above the base, the two threaded rods are symmetrically arranged, the threaded rods are threadedly connected to the sliding blocks on the same side, the connecting shafts on the front and rear parts of the threaded rods are all rotatably connected with the rotating frame one, and the rotating frame one is fixedly connected to the top of the base.

[0011] The rotor electromagnetic column is located below the connecting plate.

[0012] The limiting device is arranged on the rear side of the middle part of the base top.

[0013] The fixing seat is fixedly connected to the middle part of the front side of the base top, and the fixing seat is provided with a rotating hole.

[0014] The rotating table is rotatably connected in the rotating hole, the rear end of the rotating table is provided with the three-jaw chuck, the three-jaw chuck and the limiting device are used in cooperation, the rotor electromagnetic column is limited, the front end of the rotating table is fixedly connected with the driven gear one, the bottom of the driven gear one is engaged with the transmission gear one, and the front end of the transmission gear one is fixedly connected with the servo motor.

[0015] The detector is arranged on the base.

[0016] As an improvement, the transmission device further comprises a transmission rod located above the rear part of the base, both sides of the outer wall of the transmission rod are rotatably connected with the rotating frame two, and the bottom of the rotating frame two is fixedly connected to the top of the base.

[0017] As an improvement, the middle part of the outer wall of the transmission rod is fixedly connected with the driven gear two, the front end of the driven gear two is engaged with the transmission gear two, one side of the transmission gear two is fixedly connected with the speed reducer motor, and the speed reducer motor is fixedly connected to the base through the motor base two.

[0018] As improved, both ends of the transmission rod are fixedly connected with a bevel gear one, the front end of the bevel gear one is engaged with a bevel gear two, and the front end of the bevel gear two is fixedly connected with a threaded rod on the same side.

[0019] As improved, the limiting device comprises a fixed plate one fixedly connected to the middle rear side of the top end of the base, and support plates fixedly connected to the top end of both sides of the fixed plate one.

[0020] As improved, both sides of the bottom end of the fixed plate two are fixedly connected with shock-absorbing springs, the bottom ends of both sides of the shock-absorbing springs are fixedly connected with limiting plates, the middle part of the bottom end of the limiting plate is fixedly connected with a rotating wheel one, and telescopic rods are arranged in both sides of the shock-absorbing springs, and the top end and the bottom end of the telescopic rod are fixedly connected to the fixed plate two and the limiting plate respectively.

[0021] As improved, the lower parts of the proximal sides of both sides of the support plates are fixedly connected with electric push rods two, the proximal sides of both sides of the electric push rods two are fixedly connected with trapezoidal blocks, the bottom end of the trapezoidal block is slidably connected to the fixed plate one, and the rotating wheel two is fixedly connected to the inclined surface of the trapezoidal block.

[0022] The utility model has the advantages that compared with the prior art, the utility model has the advantages that:

[0023] 1. In the utility model, the transmission device is arranged. The two sides of the threaded rods are indirectly driven to rotate by the reduction motor, then the sliding block connected with the threaded rod will drive the fixed frame to displace. When the servo motor operates and generates vibration, the sliding block will not spontaneously displace, so that the subsequent detection result is more accurate.

[0024] 2. In the scheme, the limiting device is arranged on the base to cooperate with the rotor electromagnetic column. The two sides of the electric push rods two can drive the rotating wheel one to move, and the rotating wheel one cooperates with the rotating wheel two to use, so that the whole limiting device can limit the rotor electromagnetic column of different sizes, and in addition, the three-jaw chuck is arranged on the rotating table, and can stably limit the rotor electromagnetic column. ACCURACY

[0025] Figure 1 is a three-dimensional view of a rotor inter-turn fault positioning device Figure 1 .

[0026] Figure 2 is a three-dimensional view of a rotor inter-turn fault positioning device Figure 2 .

[0027] Figure 3 is a structural view of part of a rotor inter-turn fault positioning device.

[0028] Figure 4 is a kind of transmission device in the utility model rotor inter-turn fault positioning device perspective view.

[0029] Figure 5 is a kind of limiting device in the utility model rotor inter-turn fault positioning device perspective view.

[0030] As shown in the figure:

[0031] 1, base;2, sliding block;3, fixed frame;

[0032] 4, electric push rod one;5, connecting plate;6, detection plate;

[0033] 7, transmission device;701, threaded rod;702, rotating frame one;703, transmission rod;704, rotating frame two;705, driven gear two;706, transmission gear two;707, speed reducer motor;708, bevel gear one;709, bevel gear two;

[0034] 8, limiting device;801, fixed plate one;802, support plate;803, fixed plate two;804, shock-absorbing spring;805, limiting plate;806, runner one;807, telescopic rod;808, electric push rod two;809, trapezoidal block;810, runner two;

[0035] 9, fixed seat;10, rotating table;11, driven gear one;

[0036] 12, transmission gear one;13, servo motor. DETAILED DESCRIPTION

[0037] The utility model makes further detailed explanation in combination with the drawings.

[0038] The working principle of the utility model as Figures 1-3 Shown, a kind of rotor inter-turn fault positioning device, comprising: base 1, the middle part of the top of base 1 is provided with inverted U-shaped fixed frame 3, the bottom end of the two connecting columns of fixed frame 3 is fixedly connected with sliding block 2, and the bottom end of sliding block 2 is slidably connected to the top end of base 1 by being provided with slide rail, by then, the sliding block 2 of both sides will drive fixed frame 3 to displace forward and backward;

[0039] Then, transmission device 7 is provided on the top of base 1 to cooperate with two sliding blocks 2, so that sliding block 2 can drive fixed frame 3 to move automatically;

[0040] Then, the middle part below the fixing frame 3 is provided with a rotor electromagnetic column to be detected, the rear side of the middle part of the top end of the base 1 is provided with a limiting device 8, and the middle part of the front side of the top end of the base 1 is fixedly connected with a fixing seat 9, the fixing seat 9 is provided with a rotating hole, a rotating table 10 is rotatably connected in the rotating hole, the rear end of the rotating table 10 is fixedly connected with a three-jaw chuck, and thus the three-jaw chuck and the limiting device 8 are used in cooperation to limit and fix the rotor electromagnetic column of different sizes.

[0041] In addition, a servo motor 13 is arranged in front of the rotating table 10, the servo motor 13 is fixedly connected to the base 1 through a motor seat, a transmission gear one 12 is fixedly connected to the output shaft of the servo motor 13, a driven gear one 11 is engaged with the top end of the transmission gear one 12, and the rear end of the driven gear one 11 is fixedly connected to the rotating table 10, so that the servo motor 13 can drive the rotating table 10 to rotate through the engagement of the driven gear one 11 and the transmission gear one 12, and the rotating table 10 can drive the three-jaw chuck to rotate.

[0042] Then, an electric push rod one 4 is fixedly connected to the middle part of the bottom wall of the fixing frame 3, the bottom end of the electric push rod one 4 is fixedly connected with a connecting plate 5, and the bottom end of the connecting plate 5 is fixedly connected with detection plates 6 on both sides.

[0043] The above-mentioned various structures jointly constitute the general appearance structure of the rotor inter-turn fault positioning device.

[0044] According to Figure 4 As shown in the figure, in order to further explain the specific working principle of the rotor inter-turn fault positioning device, the transmission device 7 comprises a transmission rod 703 located at the rear of the top of the base 1, rotating frames two 704 are rotatably connected to the outer walls of both sides of the transmission rod 703, the bottom ends of the rotating frames two 704 are fixedly connected to the top end of the base 1, and conical gears one 708 are fixedly connected to both ends of the transmission rod 703.

[0045] In addition, a speed reducer 707 is arranged in front of the transmission rod 703, the speed reducer 707 is fixedly connected to the base 1 through a motor seat two, a transmission gear two 706 is fixedly connected to the output shaft of the speed reducer 707, a driven gear two 705 is engaged with the rear end of the transmission gear two 706, and the driven gear two 705 is fixedly connected to the middle part of the outer wall of the transmission rod 703, so that the speed reducer 707 can drive the transmission rod 703 to rotate through the engagement of the driven gear two 705 and the transmission gear two 706.

[0046] Next, the two sides above the base 1 are provided with threaded rods 701, it is to be explained that the threads on the two threaded rods 701 are opposite in direction, each threaded rod 701 is threadedly connected with the sliding block 2 on the same side, then the outer wall of the front and rear parts of the threaded rod 701 is rotatably connected with a rotating frame one 702, the bottom end of the two rotating frames one 702 is fixedly connected to the base 1, finally, the rear end of the two threaded rods 701 is fixedly connected with a bevel gear two 709, it is to be explained that the bevel gear one 708 and the bevel gear two 709 are meshed.

[0047] The technical effects achieved by the technical scheme composed of the above technical features are as follows: when the reduction motor 707 operates, the transmission rod 703 is driven to rotate through the meshing of the transmission gear two 706 and the driven gear two 705, at the same time that the transmission rod 703 rotates, the bevel gear one 708 at both ends is driven to rotate, then the bevel gear two 709 meshed with the bevel gear one 708 drives the threaded rod 701 on the same side to rotate, since the threads on the two threaded rods 701 are opposite in direction, the threaded rod 701 on each side is driven to displace forward and backward on the base 1 at the same time.

[0048] According to Figure 5 As shown in the figure, in order to further explain the specific working principle of the rotor inter-turn fault positioning device, the above-mentioned limiting device 8 includes a fixed plate one 801 fixedly connected to the top middle rear side of the base 1, a fixed plate two 803 is arranged above the fixed plate one 801, the bottom end of the fixed plate two 803 is fixedly connected with a support plate 802 on both sides, the bottom end of the two support plates 802 is fixedly connected to the fixed plate one 801;

[0049] And the rotor electromagnetic column is located between the fixed plate one 801 and the fixed plate two 803;

[0050] Next, the top middle of the fixed plate one 801 is slidably connected with a trapezoidal block 809 on both sides, the trapezoidal block 809 is fixedly connected with a rotating wheel one 810 on the inclined surface, the two rotating wheel ones 810 support the rotor electromagnetic column, the side away from each other of the two trapezoidal blocks 809 is fixedly connected with an electric push rod two 808, it is to be explained that the electric push rod two 808 has a self-locking function, the end of the electric push rod two 808 away from the trapezoidal block 809 is fixedly connected to the support plate 802;

[0051] Then, the rotor electromagnetic column abuts against a runner two 806 at the top end of the rotor electromagnetic column, the top end of the runner two 806 is fixedly connected with a limiting plate 805, both sides of the top end of the limiting plate 805 are fixedly connected with telescopic rods 807, the top end of the telescopic rods 807 is fixedly connected on a fixed plate two 803, meanwhile, the outer periphery of the two telescopic rods 807 is wound with shock absorber springs 804, the top end and the bottom end of the shock absorber springs 804 are fixedly connected on the fixed plate two 803 and the limiting plate 805 respectively.

[0052] The technical effects achieved by the technical scheme composed of the above technical features are as follows: first, according to the size of the rotor electromagnetic column, the electric push rod two 808 is used to push the trapezoidal blocks 809 to slide to the specified position, then the runner one 810 on the two trapezoidal blocks 809 supports the bottom end of the rotor electromagnetic column, then the shock absorber springs 804 and the telescopic rods 807 will indirectly drive the runner two 806 to the appropriate position through the limiting plate 805, the runner two 806 can limit the top end of the rotor electromagnetic column, and the stability of the rotor electromagnetic column during rotation is ensured, and at the same time, the shock absorber springs 804 can also reduce the movement of the rotor electromagnetic column during rotation.

[0053] According to Figures 1 to 5 As shown in the figure, in use, according to the size of the rotor electromagnetic column, the two trapezoidal blocks 809 and the runner one 810 are adjusted to the appropriate position, then the one end of the rotor electromagnetic column is limited by the two runner one 810 and the runner two 806, the other end of the rotor electromagnetic column is limited by the three-jaw chuck, then the servo motor 13 operates, drives the rotating table 10 to rotate through the meshing of the driven gear one 11 and the transmission gear one 12, the electric push rod one 4 drives the two detection plates 6 to descend to the appropriate height through the connecting plate 5, when the rotor electromagnetic column starts to rotate, the data detected by the detection plate 6 enters into the detector, then the transmission device 7 automatically drives the two sliding blocks 2 to displace, the fixed frame 3 drives the two detection plates 6 to displace forward and backward, while the detection plates 6 displace, different positions on the rotor electromagnetic column are detected in real time.

[0054] The above describes the present application and its embodiments, which are not limited, and the embodiment shown in the figure is only one of the embodiments of the present application, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired thereby, without departing from the creative purpose of the present application, similar structural modes and embodiments are designed without creativity, which should belong to the protection scope of the present application.

[0055] In addition, the electrical components appearing in the text are all connected with the main controller and 220V mains, and the main controller can be a computer or other conventional known device that can be controlled, and the detailed description of known functions and known components is omitted in the specific embodiment of the present disclosure. In order to ensure the compatibility of the device, the operation means adopted is consistent with the parameters of the market appliances.

Claims

1. A rotor inter-turn fault location device, characterized by, Include: Base (1), both sides of the top end of the base (1) are slidingly connected with sliding blocks (2), the top end of the sliding block (2) on both sides is fixedly connected with an inverted character-shaped fixed frame (3), the middle part of the top wall of the fixed frame (3) is fixedly connected with an electric push rod one (4), the bottom end of the electric push rod one (4) is fixedly connected with a connecting plate (5), both sides of the bottom end of the connecting plate (5) are fixedly connected with detection plates (6); Transmission device (7), the transmission device (7) is arranged on the top end of the base (1), the transmission device (7) includes two threaded rods (701) above the base (1), the two threaded rods (701) are symmetrically arranged, the threaded rods (701) are threadedly connected to the sliding blocks (2) on the same side, the connecting shafts on the front and rear parts of the threaded rods (701) are all rotatably connected with rotating frames one (702), the rotating frames one (702) are fixedly connected to the top end of the base (1), through the rotation of the threaded rods (701), the sliding blocks (2) drive the fixed frame (3) to move forward and backward; Rotor electromagnetic column, the rotor electromagnetic column is below the connecting plate (5); Limiting device (8), the limiting device (8) is arranged on the rear side of the middle part of the top end of the base (1); Fixed seat (9), the fixed seat (9) is fixedly connected to the middle part of the front side of the top end of the base (1), a rotating hole is formed in the fixed seat (9); Rotating table (10), the rotating table (10) is rotatably connected in the rotating hole, the rear end of the rotating table (10) is provided with a three-jaw chuck, the rotor electromagnetic column is limited through cooperation of the three-jaw chuck and the limiting device (8), the front end of the rotating table (10) is fixedly connected with a driven gear one (11), the bottom end of the driven gear one (11) is engaged with a transmission gear one (12), the front end of the transmission gear one (12) is fixedly connected with a servo motor (13); Detector, the detector is arranged on the base (1).

2. A rotor inter-turn fault locating device according to claim 1, characterised in that: The transmission device (7) further includes a transmission rod (703) above the rear part of the base (1), both sides of the outer wall of the transmission rod (703) are rotatably connected with rotating frames two (704), the bottom end of the rotating frames two (704) is fixedly connected to the top end of the base (1).

3. A rotor inter-turn fault locating device according to claim 2, characterised in that: The middle part of the outer wall of the transmission rod (703) is fixedly connected with a driven gear two (705), the front end of the driven gear two (705) is engaged with a transmission gear two (706), one side of the transmission gear two (706) is fixedly connected with a speed reducer (707), the speed reducer (707) is fixedly connected to the base (1) through the motor seat two.

4. A rotor inter-turn fault locating device according to claim 2, characterised in that: Both ends of the transmission rod (703) are fixedly connected with bevel gears one (708), the front end of the bevel gear one (708) is engaged with a bevel gear two (709), the front end of the bevel gear two (709) is fixedly connected to the same side of the threaded rod (701).

5. A rotor inter-turn fault locating device according to claim 1, characterized in that: The limiting device (8) includes a fixed plate one (801) fixedly connected to the rear side of the middle of the top end of the base (1), both sides of the top end of the fixed plate one (801) are fixedly connected with support plates (802), both sides of the top end of the support plates (802) are fixedly connected with fixed plate two (803).

6. A rotor inter-turn fault locating device according to claim 5, characterised in that: Both sides of the bottom end of the fixed plate two (803) are fixedly connected with damping springs (804), both sides of the bottom end of the damping springs (804) are fixedly connected with limiting plates (805), the middle of the bottom end of the limiting plates (805) is fixedly connected with rotating wheels one (806), both sides of the damping springs (804) are provided with telescopic rods (807), and both the top end and the bottom end of the telescopic rods (807) are fixedly connected to the fixed plate two (803) and the limiting plates (805) respectively.

7. A rotor inter-turn fault locating device according to claim 5, characterised in that: Both sides of the lower parts of the support plates (802) near the sides are fixedly connected with electric push rods two (808), both sides of the electric push rods two (808) near the sides are fixedly connected with trapezoidal blocks (809), the bottom end of the trapezoidal blocks (809) is slidably connected to the fixed plate one (801), and the inclined surface of the trapezoidal blocks (809) is fixedly connected with rotating wheels two (810).

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