Automatic moving insulating rod support for stator and rotor one-point grounding test

Abstract

The utility model provides an automatic moving insulating rod support for a one-point grounding test of a stator and a rotor, which comprises an insulating support, a sighting device is arranged on the insulating support, the bottom end of the insulating support is fixed on a movable track, the movable track is arranged on a top platform of a base, rollers are arranged in an inner cavity of the base, and the rollers are connected with the sighting device. And the input end of the roller is connected with the output end of the wireless receiver. On one hand, testers can be far away from high-voltage equipment in the test process, and the electric shock risk of the testers is reduced; and on the other hand, automation and precision of grounding operation of the high-voltage live-line equipment are realized, strict test requirements on personnel in the test process are improved, the working safety and efficiency are improved, and automation innovation in the later period is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical maintenance, in particular to an automatically movable stator and rotor single-point grounding test insulating rod bracket. Background Art

[0002] Safety has always been a top priority for hydropower stations, especially the insulation level of generator rotors and the detection of insulation faults, which have always been the most important links in the safe operation of hydropower stations. Currently, in actual on-site work, maintenance personnel can only manually ground the stator and rotor.

[0003] At present, the grounding work has the following defects and shortcomings:

[0004] (1) During the test, the stator and rotor are grounded manually, and the safety distance is difficult to ensure. The test personnel are close to the stator and rotor, which reduces safety.

[0005] (2) During the startup test, maintenance personnel have many tasks and heavy workload, which requires them to concentrate highly. When the stator and rotor are grounded manually, the lifting time is long and the energy consumption is huge, which puts a great burden on the personnel.

[0006] Therefore, there is an urgent need for an automatically movable stator and rotor single-point grounding test insulating rod support to solve the above problems. Summary of the invention

[0007] The utility model aims to overcome the above-mentioned shortcomings and provide an automatically movable stator and rotor one-point grounding test insulating rod support to solve the problems raised in the background technology.

[0008] In order to solve the above technical problems, the utility model adopts the following technical solutions: an automatically movable stator-rotor single-point grounding test insulating rod bracket, comprising an insulating bracket, a sight is provided on the insulating bracket, the bottom end of the insulating bracket is fixed on a movable crawler, the movable crawler is arranged on the top platform of a base, a roller is provided in the inner cavity of the base, and the roller input end is connected to the output end of a wireless receiver.

[0009] Preferably, the insulating bracket comprises a first insulating rod and a second insulating rod, one end of the first insulating rod is connected to the movable track, and the other end of the first insulating rod is connected to the second insulating rod.

[0010] Preferably, the roller input end is connected to the wireless receiver output end, and the roller surface is in contact with the bottom surface of the movable crawler track.

[0011] Preferably, the wireless receiver input terminal is connected to an external power source, and the wireless receiver is wirelessly connected to a remote controller.

[0012] Preferably, a driving motor is provided inside the roller, and the roller comprises a first roller and a second roller.

[0013] The utility model has the following beneficial effects:

[0014] 1. Improve the safety of on-site work and ensure the normal conduct of stator and rotor grounding test;

[0015] 2. Reduce the workload of staff, improve work efficiency and accuracy, save the physical strength of staff, and be friendly to women;

[0016] 3. Improve the degree of automation of on-site production work and testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the internal structure of the base of the utility model. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0020] See also Figure 1 to Figure 2 , an automatically movable stator-rotor one-point grounding test insulating rod support, comprising an insulating support 1, a sight 2 is provided on the insulating support 1, the bottom end of the insulating support 1 is fixed on a movable track 3, the movable track 3 is arranged on the top platform of a base 4, a roller 5 is provided in the inner cavity of the base 4, and the input end of the roller 5 is connected to the output end of a wireless receiver 6. The device does not require manual holding of the insulating rod, and the stator and rotor are effectively grounded. The sight is used to first aim at the high-voltage equipment such as the stator and rotor, and the aiming cursor is determined to be at the correct position of the high-voltage equipment. The technician maintains a certain safety distance from the equipment and uses a remote control to control the contact between the insulating rod and the stator and rotor.

[0021] Preferably, the insulating support 1 comprises a first insulating rod 1.1 and a second insulating rod 1.2, wherein one end of the first insulating rod 1.1 is connected to the movable track 3, and the other end of the first insulating rod 1.1 is connected to the second insulating rod 1.2. The first insulating rod 1.1 serves as a support.

[0022] Preferably, the input end of the roller 5 is connected to the output end of the wireless receiver 6, and the surface of the roller 5 is in contact with the bottom surface of the movable track 3. The movable track 3 is driven to move forward and backward by the rotation of the roller, thereby realizing the forward and backward movement of the insulating rod.

[0023] Preferably, the input end of the wireless receiver 6 is connected to an external power supply 8, and the wireless receiver 6 is wirelessly connected to a remote controller 7. During operation, the technician can maintain a certain safety distance from the site, and use the remote controller 7 to control the motor base crawler to operate, operate the insulating rod to move forward, and make the insulating rod contact the stator and the rotor.

[0024] Preferably, a driving motor is provided in the roller 5, and the roller 5 comprises a first roller 5.1 and a second roller 5.2. By providing the first roller 5.1 and the second roller 5.2, the insulating bracket 1 can be moved more stably, thereby ensuring the stable implementation of the grounding test.

[0025] The working principle of this embodiment is as follows:

[0026] When in use, an insulating rod that meets the insulation requirements is placed on an insulating bracket, the insulating rod is kept level with the ground and at a safe distance from the high-voltage equipment, the rotor is aimed at the grounded part of the stator through the aimer 2, and then the power is turned on. The remote controller 7 starts the motor inside the roller 5 by controlling the wireless receiver 6, and the motor drives the roller 5 to rotate, thereby realizing the movement of the movable track 3. The movable track 3 is controlled to move forward and backward by the remote controller 7 to realize the movement of the insulating bracket 1, thereby realizing the contact between the second insulating rod 1.2 and the stator and rotor.

[0027] The above embodiments are only preferred technical solutions of the present invention and should not be regarded as limitations of the present invention. The protection scope of the present invention shall be the technical solutions recorded in the claims, including equivalent replacement solutions of the technical features in the technical solutions recorded in the claims. That is, equivalent replacement improvements within this scope are also within the protection scope of the present invention.

Claims

1. An automatically movable stator and rotor single-point grounding test insulating rod support, comprising an insulating support (1), characterized in that: The insulating support (1) is provided with a sight (2), the bottom end of the insulating support (1) is fixed on a movable track (3), the movable track (3) is arranged on a top platform of a base (4), a roller (5) is provided in the inner cavity of the base (4), and the input end of the roller (5) is connected to the output end of the wireless receiver (6).

2. The automatically movable stator and rotor one-point grounding test insulating rod support according to claim 1 is characterized in that: The insulating support (1) comprises a first insulating rod (1.1) and a second insulating rod (1.2); one end of the first insulating rod (1.1) is connected to the movable track (3); and the other end of the first insulating rod (1.1) is connected to the second insulating rod (1.2).

3. The automatically movable stator and rotor one-point grounding test insulating rod support according to claim 1 is characterized in that: The input end of the roller (5) is connected to the output end of the wireless receiver (6), and the surface of the roller (5) is in contact with the bottom surface of the movable crawler (3).

4. The automatically movable stator and rotor one-point grounding test insulating rod support according to claim 3 is characterized in that: The input end of the wireless receiver (6) is connected to an external power source (8), and the wireless receiver (6) is wirelessly connected to a remote controller (7).

5. The automatically movable stator and rotor one-point grounding test insulating rod support according to claim 1 is characterized in that: A driving motor is arranged inside the roller (5), and the roller (5) comprises a first roller (5.1) and a second roller (5.2).

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