A generator rotary rectifier detection device

Abstract

The utility model relates to generator detection technical field especially relates to a kind of generator rotary rectifier detection device, including detection box, rotating shaft is vertically rotated and installed in the detection box, rotating disc is fixedly installed on the rotating shaft upper end, arc-shaped spray water pipe is fixedly installed in the detection box by mounting bracket, both ends of the spray water pipe are fixedly installed with arc block, the cavity that is communicated with spray water pipe is formed in the inside of two arc blocks, the opposite side of two arc blocks is all installed with multiple spray nozzles being communicated with cavity, water supply assembly for supplying water to spray water pipe is installed on the detection box.The utility model is constantly sprayed to rectifier on the process of rotating, so that each part of rectifier can fully receive spray detection, avoid the detection blind area existing in traditional detection mode, improve the comprehensiveness and accuracy of detection.

Description

Technical Field

[0001] This utility model relates to the field of generator testing technology, and in particular to a generator rotating rectifier testing device. Background Technology

[0002] During the operation of a generator, the rotating rectifier plays a crucial role. It converts alternating current (AC) into direct current (DC) to provide a stable DC power supply for the generator's excitation system and other components. Waterproofing is a key indicator in the production of rotating rectifiers. If the rectifier's waterproofing is inadequate, water intrusion during actual use can lead to serious problems such as internal circuit short circuits and component damage, thereby affecting the normal operation of the generator and even causing major safety accidents.

[0003] Currently, existing rotary rectifiers typically undergo waterproof testing during production using a relatively simple spraying method. This makes it difficult to conduct comprehensive and accurate testing of all parts of the rectifier, resulting in inaccurate test results and missed detections. Consequently, some rectifiers that fail to meet waterproof performance standards have entered the market, posing potential safety hazards. Utility Model Content

[0004] The purpose of this utility model is to address the following shortcomings in the existing technology: when conducting waterproof testing on existing rotating rectifiers during the production process, a relatively simple spraying method is usually used, which makes it difficult to conduct comprehensive and accurate testing on all parts of the rectifier. This results in inaccurate test results and missed detections, leading to some rectifiers with substandard waterproof performance entering the market and posing safety hazards. Therefore, this utility model proposes a generator rotating rectifier testing device.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A generator rotating rectifier testing device includes a testing housing, in which a rotating shaft is vertically rotatably mounted, a rotating disk is fixedly mounted on the upper end of the rotating shaft, a clamping assembly for clamping the rectifier is provided on the rotating disk, and a driving assembly for driving the rotating shaft to rotate is provided inside the testing housing.

[0007] An arc-shaped spray pipe is fixedly installed inside the testing chamber via a mounting bracket. Arc-shaped blocks are fixedly installed at both ends of the spray pipe. Each of the two arc-shaped blocks has a cavity that communicates with the spray pipe. Multiple spray nozzles that communicate with the cavities are installed on the opposite side of the two arc-shaped blocks. The spray pipe is located directly above the rotating disk, and the two arc-shaped blocks are located on both sides of the rotating disk. A water supply assembly for supplying water to the spray pipe is installed on the testing chamber.

[0008] Preferably, the water supply assembly includes a water tank fixedly installed on the detection box and a water delivery pipe installed on the water tank via a water pump, wherein the end of the water delivery pipe away from the water tank is connected to a spray water pipe.

[0009] Preferably, multiple conical nozzles are equidistantly installed on the side of the spray pipe near the rotating disk, and the outlets of the multiple conical nozzles all face the rotating disk.

[0010] Preferably, the drive assembly includes a drive shaft that is horizontally rotatably mounted on the detection chamber via a sealed bearing, a drive motor that is fixedly mounted on the side of the detection chamber, a first bevel gear that is fixedly mounted on one end of the drive shaft, and a second bevel gear that is fixedly sleeved on the rotating shaft, wherein the first bevel gear and the second bevel gear are meshed together.

[0011] Preferably, the upper surface of the rotating disk is provided with a movable groove, and the clamping assembly includes a threaded rod with opposite helical directions at its left and right ends, which is horizontally rotatably installed in the movable groove; two symmetrical movable blocks with their threads sleeved on the threaded rods; and two clamping plates respectively fixedly installed on the upper ends of the two movable blocks. One end of the threaded rod passes through the movable groove and is fixedly installed with an adjusting block. Both movable blocks are horizontally slidably installed in the movable groove. Support blocks are symmetrically fixedly installed on the upper surface of the rotating disk, and the upper surfaces of the two support blocks are flush with the upper surfaces of the movable blocks.

[0012] Preferably, each of the two movable blocks has a movable hole on its side, and a rectangular rod is fixedly installed on the side of each of the two movable blocks. One end of the rectangular rod passes through the movable hole on the other movable block and is fixedly installed with a centrifugal block. The two rectangular rods are arranged vertically.

[0013] The beneficial effects of this utility model are as follows:

[0014] The rectifier can rotate inside the testing chamber through the cooperation of the drive component, rotating shaft, rotating disk and clamping component. At the same time, water is continuously sprayed onto the rectifier by the water supply component, spray pipe, arc block and spray nozzle, so that all parts of the rectifier can be fully sprayed for testing, avoiding the detection blind spots in traditional testing methods and improving the comprehensiveness and accuracy of the test. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of a generator rotating rectifier testing device proposed in this utility model;

[0016] Figure 2 A three-dimensional structural diagram of the rotating disk, drive assembly, clamping assembly, spray pipe and arc block;

[0017] Figure 3 A three-dimensional structural diagram of the rotating disk, rotating shaft, and clamping assembly;

[0018] Figure 4 A cross-sectional schematic diagram of the rotating disk and clamping assembly;

[0019] Figure 5 for Figure 4 Enlarged view of the structure at point A in the middle.

[0020] In the diagram: 1. Detection box, 2. Rotating shaft, 3. Rotating disc, 4. Spray water pipe, 5. Arc block, 6. Spray nozzle, 7. Water tank, 8. Water supply pipe, 9. Conical nozzle, 10. Drive shaft, 11. Drive motor, 12. First bevel gear, 13. Second bevel gear, 14. Threaded rod, 15. Moving block, 16. Clamping plate, 17. Adjusting block, 18. Support block, 19. Rectangular rod, 20. Centrifugal block. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0022] Reference Figures 1-5 A generator rotating rectifier testing device includes a testing housing 1, a rotating shaft 2 vertically rotatably mounted inside the testing housing 1, a rotating disk 3 fixedly mounted on the upper end of the rotating shaft 2, a clamping assembly for clamping the rectifier on the rotating disk 3, and a drive assembly for driving the rotating shaft 2 to rotate inside the testing housing 1. The drive assembly includes a drive shaft 10 horizontally rotatably mounted on the testing housing 1 via a sealed bearing, a drive motor 11 fixedly mounted on the side of the testing housing 1, a first bevel gear 12 fixedly mounted on one end of the drive shaft 10, and a second bevel gear 13 fixedly sleeved on the rotating shaft 2. The first bevel gear 12 and the second bevel gear 13 are meshed and connected. The sealed bearing ensures the sealing between the drive shaft 10 and the testing housing 1.

[0023] The rectifier to be tested is mounted on the rotating disk 3 by a clamping assembly. During testing, the drive motor 11 is started, which drives the drive shaft 10 to rotate. Then, through the transmission between the first bevel gear 12 and the second bevel gear 13, the rotating shaft 2 is driven to rotate, thereby driving the rotating disk 3 to rotate inside the testing box 1, and in turn driving the rectifier to rotate inside the testing box 1.

[0024] An arc-shaped spray pipe 4 is fixedly installed inside the testing chamber 1 by a mounting bracket. Arc-shaped blocks 5 are fixedly installed at both ends of the spray pipe 4. Each of the two arc-shaped blocks 5 has a cavity that communicates with the spray pipe 4. Multiple spray nozzles 6 that communicate with the cavities are installed on the opposite side of the two arc-shaped blocks 5. The spray pipe 4 is located directly above the rotating disk 3, and the two arc-shaped blocks 5 are located on both sides of the rotating disk 3. A water supply assembly for supplying water to the spray pipe 4 is installed on the testing chamber 1. The water supply assembly includes a water tank 7 fixedly installed on the testing chamber 1 and a water delivery pipe 8 installed on the water tank 7 by a water pump. The end of the water delivery pipe 8 away from the water tank 7 is connected to the spray pipe 4.

[0025] During testing, the water pump is started, and the water in the water tank 7 is transported to the spray pipe 4 through the water supply pipe 8. Then, the water flows into the cavity opened by the two arc-shaped blocks 5, and finally sprays out from multiple spray nozzles 6. The water sprayed from the spray nozzles 6 will spray onto the rectifier on the rotating disk 3. As the rectifier rotates with the rotating disk 3, all parts of the rectifier can be fully sprayed for testing, avoiding the blind spots in traditional testing methods and improving the comprehensiveness and accuracy of the test.

[0026] Multiple conical nozzles 9 are equidistantly installed on one side of the spray pipe 4 near the rotating disk 3. The outlets of the multiple conical nozzles 9 all face the rotating disk 3. When the spray nozzle 6 sprays water onto the surface of the rectifier, the conical nozzles 9 can spray high-pressure water jets onto the surface of the rectifier. This can be used to spray key parts such as gaps and interfaces of the rotating rectifier in a concentrated manner to simulate different water flow environments.

[0027] The upper surface of the rotating disk 3 is provided with a moving groove. The clamping assembly includes a threaded rod 14 with opposite helical directions at its left and right ends, which is horizontally rotatably installed in the moving groove; two symmetrical moving blocks 15 with their threads sleeved on the threaded rod 14; and two clamping plates 16 respectively fixedly installed on the upper ends of the two moving blocks 15. One end of the threaded rod 14 passes through the moving groove and is fixedly installed with an adjusting block 17. Both moving blocks 15 are horizontally slidably installed in the moving groove. Support blocks 18 are symmetrically fixedly installed on the upper surface of the rotating disk 3. The upper surfaces of the two support blocks 18 are flush with the upper surfaces of the moving blocks 15.

[0028] When fixing the rectifier, place the rectifier on two support blocks 18, and then rotate the adjusting block 17 to drive the threaded rod 14 to rotate. Since the threads at the left and right ends of the threaded rod 14 are opposite in direction, the two moving blocks 15 can be driven to move closer to each other in the moving groove, thereby driving the two clamping plates 16 to move towards the rectifier until they contact the rectifier and clamp and fix the rectifier on the two clamping plates 16. Rectifiers of different sizes can be clamped and fixed on the rotating disk 3, thereby enabling the testing of rectifiers of different sizes and effectively improving the adaptability of the device.

[0029] Both movable blocks 15 have movable holes on their sides, and rectangular rods 19 are fixedly installed on the sides of both movable blocks 15. One end of the rectangular rod 19 passes through the movable hole on the other movable block 15 and is fixedly installed with a centrifugal block 20. The two rectangular rods 19 are arranged vertically. When the rotating disk 3 rotates, the two centrifugal blocks 20 will generate centrifugal force and generate a tendency to move away from each other. This will ensure that the two movable blocks 15 always have a tendency to move closer to each other, which can ensure the stability of the clamping plate 16 in holding the rectifier during the rotation of the rotating disk 3.

[0030] In this invention, the rectifier to be tested is mounted on the rotating disk 3 via a clamping assembly. During testing, the rotating disk 3 is driven to rotate within the testing chamber 1 via a driving assembly, which in turn drives the rectifier to rotate within the testing chamber 1. During testing, water is supplied to the spray pipe 4 via a water supply assembly, then flows into the cavities opened by the two arc-shaped blocks 5, and finally sprays out from multiple spray nozzles 6. The water sprayed from the spray nozzles 6 sprays onto the rectifier on the rotating disk 3. As the rectifier rotates with the rotating disk 3, all parts of the rectifier can be fully sprayed for testing, avoiding the blind spots present in traditional testing methods and improving the comprehensiveness and accuracy of the testing.

[0031] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A generator rotating rectifier testing device, comprising a testing housing (1), characterized in that, The detection box (1) is vertically rotatably installed with a rotating shaft (2), and a rotating disk (3) is fixedly installed on the upper end of the rotating shaft (2). The rotating disk (3) is provided with a clamping component for clamping the rectifier, and the detection box (1) is provided with a driving component for driving the rotating shaft (2) to rotate. An arc-shaped spray pipe (4) is fixedly installed inside the testing box (1) by a mounting bracket. Arc-shaped blocks (5) are fixedly installed at both ends of the spray pipe (4). Each of the two arc-shaped blocks (5) has a cavity that communicates with the spray pipe (4). Multiple spray nozzles (6) that communicate with the cavity are installed on the opposite side of the two arc-shaped blocks (5). The spray pipe (4) is located directly above the rotating disk (3). The two arc-shaped blocks (5) are located on both sides of the rotating disk (3). A water supply assembly for supplying water to the spray pipe (4) is installed on the testing box (1).

2. The generator rotating rectifier testing device according to claim 1, characterized in that, The water supply assembly includes a water tank (7) fixedly installed on the detection box (1) and a water delivery pipe (8) installed on the water tank (7) by a water pump. The end of the water delivery pipe (8) away from the water tank (7) is connected to the spray water pipe (4).

3. The generator rotating rectifier testing device according to claim 1, characterized in that, The spray pipe (4) has multiple conical nozzles (9) installed at equal intervals on one side near the rotating disk (3), and the outlets of the multiple conical nozzles (9) all face the rotating disk (3).

4. The generator rotating rectifier testing device according to claim 1, characterized in that, The drive assembly includes a drive shaft (10) that is horizontally rotatably mounted on the detection housing (1) via a sealed bearing, a drive motor (11) that is fixedly mounted on the side of the detection housing (1), a first bevel gear (12) that is fixedly mounted on one end of the drive shaft (10), and a second bevel gear (13) that is fixedly sleeved on the rotating shaft (2). The first bevel gear (12) and the second bevel gear (13) are meshed together.

5. The generator rotating rectifier testing device according to claim 1, characterized in that, The upper surface of the rotating disk (3) is provided with a moving groove. The clamping assembly includes a threaded rod (14) with opposite spiral directions at its left and right ends, which is horizontally rotatably installed in the moving groove; two symmetrical moving blocks (15) with their threads sleeved on the threaded rod (14); and two clamping plates (16) respectively fixedly installed on the upper ends of the two moving blocks (15). One end of the threaded rod (14) passes through the moving groove and is fixedly installed with an adjusting block (17). Both moving blocks (15) are horizontally slidably installed in the moving groove. Support blocks (18) are symmetrically fixedly installed on the upper surface of the rotating disk (3). The upper surfaces of the two support blocks (18) are flush with the upper surfaces of the moving blocks (15).

6. The generator rotating rectifier testing device according to claim 5, characterized in that, Both of the two movable blocks (15) have movable holes on their sides, and both of the two movable blocks (15) have rectangular rods (19) fixedly installed on their sides. One end of the rectangular rod (19) passes through the movable hole on the other movable block (15) and is fixedly installed with a centrifugal block (20). The two rectangular rods (19) are arranged vertically.

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