Special feeler gauge for measuring gap between stator and rotor for generator

Abstract

The utility model provides a special feeler gauge for measuring a gap between a stator and a rotor for a generator, and belongs to the technical field of generator maintenance. Comprising a feeler gauge supporting rod and a feeler gauge assembly, a clamping plate is installed at one end of the feeler gauge supporting rod, the feeler gauge assembly comprises a round rod, the round rod is fixedly installed on the feeler gauge supporting rod, one end of the round rod is fixedly connected with the round plate, an adjusting piece is connected to the outer portion of the round rod in a sleeving mode and connected with the round rod in a sliding mode, and a through hole is formed in the outer surface of the adjusting piece. A round rod is installed on a filler gauge supporting rod, a plurality of adjusting pieces are installed outside the round rod, the adjusting pieces and the filler gauge supporting rod are used in a matched mode and extend into a gap together, the adjusting pieces which cannot enter the gap can move upwards, and the adjusting pieces left in the gap can be the size of the gap according to the total thickness of the filler gauge supporting rod. The gap size can be measured at a time, time is saved, and accurate measurement precision is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of generator maintenance, in particular to a feeler gauge for measuring the gap between a stator and a rotor of a generator. Background Art

[0002] During the maintenance of motors and generators, the stator-rotor gap needs to be accurately measured. If the stator-rotor gap is not within the set standard, it will affect the normal operation of the motor. Therefore, it is necessary to ensure that the distance between the stator and rotor meets the operating requirements and avoid equipment damage caused by improper stator-rotor gap distance.

[0003] At present, the stator-rotor gap is measured by feeler gauges. The existing feeler gauges are rotatably mounted on a turntable. The thickness of each feeler gauge is different. When measuring, the feeler gauge is inserted into the gap, and a feeler gauge of corresponding thickness is selected according to actual conditions. Each time the feeler gauge is inserted, the original feeler gauge must be taken out and the feeler gauge is re-inserted into the stator-rotor gap. Due to the different positions of the front and rear insertions, different gaps will be measured. Therefore, this method has a large error and cannot quickly and effectively perform accurate measurements, which wastes maintenance time and causes unreliable data accuracy. Therefore, a feeler gauge for measuring the stator-rotor gap of a generator is proposed to solve this problem. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a feeler gauge for measuring the stator-rotor clearance of a generator, which overcomes the above technical problems or at least partially solves the above problems.

[0005] The utility model is achieved in this way:

[0006] The utility model provides a feeler gauge for measuring the stator-rotor gap of a generator, comprising a feeler gauge support rod, and a clamping plate is installed at one end of the feeler gauge support rod;

[0007] A feeler gauge assembly, the feeler gauge assembly comprising:

[0008] A round rod, the round rod is fixedly mounted on the feeler gauge support rod, and one end of the round rod is fixedly connected to the round plate;

[0009] The adjusting piece is sleeved on the outside of the round rod and is slidably connected with the round rod. A through hole is opened on the outer surface of the adjusting piece.

[0010] In a preferred solution, a mounting hole is formed on the outer surface of the feeler gauge support rod, a bolt is mounted on the clamping plate, and one end of the bolt is embedded in the mounting hole.

[0011] In a preferred solution, the adjusting sheets are provided in a plurality and are evenly arranged on the round rod, the plurality of adjusting sheets are fitted together, and the thickness of the adjusting sheets is set to 1 mm.

[0012] In a preferred solution, a clamping mechanism is installed outside the feeler gauge support rod, and the clamping mechanism includes a clamping block, a spring and a connecting rod.

[0013] In a preferred solution, a rectangular frame is fixedly mounted on the outer surface of the feeler gauge support rod, a connecting rod is slidably mounted inside the rectangular frame, and one end of the connecting rod is fixedly connected to the rectangular plate.

[0014] In a preferred solution, one side surface of the rectangular plate is fixedly connected to a spring, and one end of the spring is fixedly connected to the outer surface of the rectangular frame.

[0015] In a preferred solution, one end of the connecting rod is fixedly connected to a clamping block, and the clamping block is arranged inside the rectangular frame.

[0016] The utility model provides a feeler gauge for measuring the stator-rotor clearance of a generator, and its beneficial effects include:

[0017] 1. A round rod is installed on the feeler gauge support rod, and several adjusting pieces are installed on the outside of the round rod. The adjusting pieces are used in conjunction with the feeler gauge support rod and extend into the gap together. The adjusting pieces that cannot enter the gap will move upward. The total thickness of the adjusting pieces remaining in the gap is the size of the gap with the total thickness of the feeler gauge support rod. The gap size can be measured at one time, saving time and ensuring accurate measurement accuracy.

[0018] 2. A rectangular frame is installed on the outside of the feeler gauge support rod, and a movable clamp is installed on the inner side of the rectangular frame. When the adjusting piece moves upward, it will extend into the position between the two clamps. The two clamps will clamp it and limit it under the action of the spring, so that it cannot fall. When one end of the feeler gauge support rod is taken out of the gap, the other adjusting pieces will not be mixed in it, thereby ensuring the accuracy of the measurement data. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present utility model, and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 It is a schematic diagram of the main structure of the utility model;

[0021] Figure 2This is a schematic diagram of the round rod structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the installation hole positions of the utility model;

[0023] Figure 4 It is a schematic diagram of the internal structure of the rectangular frame of the utility model.

[0024] In the figure: 1. feeler gauge support rod; 2. clamping plate; 3. feeler gauge assembly; 31. round rod; 311. round plate; 32. adjustment sheet; 321. through hole; 4. mounting hole; 5. bolt; 6. clamping mechanism; 61. clamping block; 62. spring; 63. connecting rod; 7. rectangular frame; 8. rectangular plate. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Example

[0027] Reference Figure 1-Figure 4 The utility model provides a technical solution: a feeler gauge for measuring the stator-rotor gap of a generator, comprising a feeler gauge support rod 1 and a feeler gauge assembly 3, and a clamping plate 2 is installed at one end of the feeler gauge support rod 1, the feeler gauge assembly 3 comprises a round rod 31, the round rod 31 is fixedly installed on the feeler gauge support rod 1, one end of the round rod 31 is fixedly connected to a circular plate 311, an adjusting piece 32 is sleeved on the outside of the round rod 31 and slidably connected to the round rod 31, and a through hole 321 is opened on the outer surface of the adjusting piece 32.

[0028] In a preferred embodiment, a mounting hole 4 is formed on the outer surface of the feeler gauge support rod 1 , a bolt 5 is mounted on the clamping plate 2 , and one end of the bolt 5 is embedded in the mounting hole 4 .

[0029] In a preferred embodiment, the adjusting pieces 32 are provided in a plurality and are evenly arranged on the round rod 31. The plurality of adjusting pieces 32 are fitted together, and the thickness of the adjusting pieces 32 is set to 1 mm. The device provides the adjusting pieces 32 in a plurality and provides a through hole 321 on the adjusting piece 32. The gap size can be measured by cooperating with the feeler gauge support rod 1. The through hole 321 can be provided to control the movement of the adjusting piece 32 so as to move the unnecessary adjusting piece 32 to avoid affecting the measurement of the gap by the device.

[0030] In a preferred embodiment, a clamping mechanism 6 is installed on the outside of the feeler gauge support rod 1, and the clamping mechanism 6 includes a clamping block 61, a spring 62 and a connecting rod 63. A rectangular frame 7 is fixedly installed on the outer surface of the feeler gauge support rod 1, and a connecting rod 63 is slidably installed inside the rectangular frame 7. One end of the connecting rod 63 is fixedly connected to the rectangular plate 8, and one side of the rectangular plate 8 is fixedly connected to the spring 62. One end of the spring 62 is fixedly connected to the outer surface of the rectangular frame 7, and one end of the connecting rod 63 is fixedly connected to the clamping block 61, and the clamping block 61 is arranged inside the rectangular frame 7.

[0031] In actual use, some adjusting pieces 32 that cannot enter the gap will move upward under the obstruction of the outside of the product, and one end of the adjusting piece 32 will move the position of the rectangular frame 7 to facilitate the positioning of the adjusting piece 32. The adjusting piece 32 squeezes the clamping block 61 to move the clamping block 61 inside the rectangular frame 7. After one end of the adjusting piece 32 completely enters the interior of the rectangular frame 7, the two clamping blocks 61 will be stretched open. The two clamping blocks 61 will clamp the adjusting piece 32 under the action of the spring 62 to prevent it from falling, thereby avoiding mixing with the adjusting piece 32 extending into the gap, ensuring the accuracy of the gap measurement and facilitating use.

[0032] Specifically, the working process or working principle of a feeler gauge for measuring the stator-rotor gap of a generator is as follows: currently, the stator-rotor gap is measured by a feeler gauge, and the existing feeler gauge is rotatably mounted on a turntable, and the thickness of each feeler gauge is different. When measuring, the feeler gauge is inserted into the gap, and a feeler gauge of corresponding thickness is selected according to actual conditions. Each time the feeler gauge is inserted, the original feeler gauge must be taken out, and then the feeler gauge is re-inserted into the stator-rotor gap. Due to the different positions of the front and rear insertions, different gaps will be measured. Therefore, this method has a large error and cannot quickly and effectively perform accurate measurements, which wastes maintenance time and causes unreliable data accuracy. Therefore, this device is designed to solve this problem.

[0033] The device can quickly detect the stator-rotor gap, save time, and ensure the accuracy of the data. The specific operation is that when measuring the stator-rotor gap, one end equipped with the adjusting piece 32 is inserted into the gap. Initially, all the adjusting pieces 32 are neatly moved to one end of the feeler gauge support rod 1. When inserting into the gap, the feeler gauge support rod 1 is inserted mainly, and the adjusting piece 32 is used as a supplement, so that the gap is measured.

[0034] When one end of the feeler gauge support rod 1 extends into the gap, it will also drive the adjusting piece 32 into the gap. Since the adjusting pieces 32 are stacked, not all of the adjusting pieces 32 will enter the gap. When the feeler gauge support rod 1 and some of the adjusting pieces 32 fill the gap, the feeler gauge support rod 1 will continue to be controlled to move downward. At this time, the adjusting piece 32 that cannot enter the gap will move upward under the obstruction of the outside of the product, and one end of the adjusting piece 32 will move the position of the rectangular frame 7 to facilitate the positioning of the adjusting piece 32.

[0035] The adjusting piece 32 squeezes the clamping block 61 to move the clamping block 61 inside the rectangular frame 7. When one end of the adjusting piece 32 completely enters the interior of the rectangular frame 7, the two clamping blocks 61 will be stretched open. The two clamping blocks 61 will clamp the adjusting piece 32 under the action of the spring 62 to prevent it from falling. After the gap measurement is completed, one end of the feeler gauge support rod 1 is taken out of the gap, and the number of adjusting pieces 32 entering the gap is counted. The thickness of each adjusting piece 32 is 1 mm. Adding the thickness of the feeler gauge support rod 1, the gap value can be obtained, which is convenient for operation and use.

Claims

1. A feeler gauge for measuring the stator-rotor clearance of a generator, characterized in that: It comprises a feeler gauge support rod (1), and a clamping plate (2) is installed at one end of the feeler gauge support rod (1); A feeler gauge assembly (3), the feeler gauge assembly (3) comprising: A round rod (31), wherein the round rod (31) is fixedly mounted on the feeler gauge support rod (1), and one end of the round rod (31) is fixedly connected to a round plate (311); An adjusting piece (32) is sleeved on the outside of the round rod (31) and is slidably connected to the round rod (31). A through hole (321) is formed on the outer surface of the adjusting piece (32).

2. A feeler gauge for measuring the stator-rotor gap of a generator according to claim 1, characterized in that: The outer surface of the feeler gauge support rod (1) is provided with a mounting hole (4), and a bolt (5) is installed on the clamping plate (2), and one end of the bolt (5) is embedded in the interior of the mounting hole (4).

3. A feeler gauge for measuring the stator-rotor clearance of a generator according to claim 2, characterized in that: The regulating sheets (32) are arranged in a plurality and are evenly arranged on the round rod (31). The plurality of regulating sheets (32) are attached together, and the thickness of the regulating sheets (32) is set to 1 mm.

4. A feeler gauge for measuring the stator-rotor clearance of a generator according to claim 3, characterized in that: A clamping mechanism (6) is installed outside the feeler gauge support rod (1), and the clamping mechanism (6) comprises a clamping block (61), a spring (62) and a connecting rod (63).

5. A feeler gauge for measuring the stator-rotor clearance of a generator according to claim 4, characterized in that: A rectangular frame (7) is fixedly mounted on the outer surface of the feeler gauge support rod (1), a connecting rod (63) is slidably mounted inside the rectangular frame (7), and one end of the connecting rod (63) is fixedly connected to a rectangular plate (8).

6. A feeler gauge for measuring the stator-rotor clearance of a generator according to claim 5, characterized in that: A spring (62) is fixedly connected to one side of the rectangular plate (8), and one end of the spring (62) is fixedly connected to the outer surface of the rectangular frame (7).

7. A feeler gauge for measuring the stator-rotor clearance of a generator according to claim 6, characterized in that: One end of the connecting rod (63) is fixedly connected to a clamping block (61), and the clamping block (61) is arranged inside the rectangular frame (7).

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