External voltage withstanding test equipment for power equipment

Abstract

The utility model relates to the technical field of electrical equipment detection, and discloses an external voltage withstanding test device for electrical equipment, which comprises a test board, the upper surface of the test board is provided with a positioning assembly and a mounting rack, and the surface of the mounting rack is provided with a test assembly; the testing assembly comprises a rectangular frame fixedly installed on the inner top wall of the installation frame, the inner wall of the rectangular frame is rotationally connected with a longitudinal screw rod, and a first servo motor driving the longitudinal screw rod to rotate is fixedly installed on the front face of the rectangular frame. According to the utility model, the electrical equipment is positioned on the surface of the test bench, and the hydraulic test rod is extended to extrude the electrical equipment, so that the purpose of carrying out an external pressure resistance test on the housing of the electrical equipment is realized, and the transverse position, the longitudinal position and the angle of the hydraulic test rod can be adjusted in the process of using the hydraulic test rod; therefore, the device can meet the requirements of testing power equipment shells with different shapes at different angles, and is high in applicability.

Description

Technical Field

[0001] The utility model relates to the technical field of power equipment detection, and more specifically to an external applied voltage withstand test device for power equipment. Background Art

[0002] Before the power equipment leaves the factory, in order to protect the internal circuits of the power equipment, it is usually necessary to perform a voltage withstand test on the outer shell of the power equipment. Usually, the tools for testing these power equipment are to perform external pressure tests through hydraulic rods and other means.

[0003] After retrieval, the existing patent (publication number: CN216160760U) discloses an external applied voltage withstand test device for power equipment. During its use, by setting support rods and mounting plates, the power equipment can be positioned according to the shape of the power equipment. The power equipment is placed above the mounting frame, and then the power equipment squeezes the support rods. Subsequently, the support rods contract driven by the self - gravity of the power equipment, and then the power equipment can be embedded into the interior of the support rods for limiting. The power equipment is positioned by the support rods around it, so that the positioning of power equipment of various shapes is more convenient. Subsequently, fixation is completed through the threaded rods and extrusion blocks on both sides, so that the power equipment will not slide during the test. However, the inventor found the following problems in the process of implementing the present utility model: For the above - mentioned external applied voltage withstand test device, when using a hydraulic rod to perform an external pressure test on the outer shell of the power equipment, the angle of the hydraulic rod is fixed and can only act vertically downward on the surface of the outer shell of the external power equipment. Under such a premise, it has the defect of a single detection angle and is difficult to meet the requirements of external applied voltage withstand tests for power equipment with different - shaped outer shells.

[0004] In view of this, the present utility model provides an external applied voltage withstand test device for power equipment. Summary of the Utility Model

[0005] In order to overcome the above - mentioned defects of the prior art, the present utility model provides an external applied voltage withstand test device for power equipment to solve the problems existing in the above - mentioned background art.

[0006] The present utility model provides the following technical solutions: An external applied voltage withstand test device for power equipment, including a test bench, a positioning component and a mounting frame are arranged on the upper surface of the test bench, and a test component is arranged on the surface of the mounting frame;

[0007] The test component includes a rectangular frame fixedly installed on the inner top wall of the mounting frame. A longitudinal screw rod is rotatably connected to the inner wall of the rectangular frame, and a first servo motor for driving the longitudinal screw rod to rotate is fixedly installed on the front surface of the rectangular frame. A transverse frame is threadedly connected to the surface of the longitudinal screw rod. A transverse groove is formed at the bottom end of the transverse frame. A transverse screw rod is rotatably connected to the inner wall of the transverse groove. A second servo motor for driving the transverse screw rod to rotate is fixedly installed at the right end of the transverse frame. A transverse slider is threadedly connected to the surface of the transverse screw rod. The transverse slider is slidably connected to the transverse groove. A vertical shaft is fixedly installed at the bottom end of the transverse slider. A first angle adjustment component is arranged between the transverse slider and the vertical shaft. A turntable is fixedly installed at the bottom end of the vertical shaft. A horizontal shaft is rotatably connected to the bottom side of the turntable. A second angle adjustment component is arranged between the turntable and the horizontal shaft. A hydraulic test rod is embedded on the surface of the horizontal shaft, and the telescopic end of the hydraulic test rod corresponds to the surface of the test bench.

[0008] Further, the positioning component includes an annular enclosure fixedly installed on the surface of the test bench. A tightening screw rod is arranged on the side wall of the annular enclosure, and a tightening plate is rotatably connected to the threaded end of the tightening screw rod; when the power equipment is placed on the surface of the test bench, by rotating the tightening screw rod, the outer part of the power equipment can be clamped and fixed by using the tightening plate.

[0009] Further, a limiting sliding groove is formed on the side wall of the annular enclosure. An adjusting plate is slidably connected to the inner wall of the limiting sliding groove. The tightening screw rod is threadedly connected to the surface of the adjusting plate; when using the tightening screw rod to position the outer shell of the power equipment, the adjusting plate can slide inside the limiting sliding groove, and the position of the tightening screw rod can be adjusted, so as to be suitable for fixing equipment outer shells with different shapes.

[0010] Further, the positioning component further includes a positioning pin inserted on the surface of the test bench. A tray is fixedly installed at the bottom end of the test bench. A support spring is sleeved on the surface of the positioning pin, and the bottom end of the support spring abuts against the inner bottom wall of the tray; by arranging the positioning pin, when the power equipment is placed on the surface of the test bench, the gravity of the outer shell presses the positioning pin downward, causing the support spring to contract. By using the positioning pin, the outer shells with different shapes can be limited, and the stability of equipment positioning can be improved, avoiding the situation that the equipment slides on the surface of the test bench.

[0011] Further, a limiting sliding rod is fixedly installed on the inner wall of the rectangular frame. The transverse frame is slidably connected to the surface of the limiting sliding rod; by arranging the limiting sliding rod, the moving path of the transverse frame can be restricted, avoiding the situation that the transverse frame flips on the surface of the longitudinal screw rod.

[0012] Further, the first angle adjustment component includes a transmission cavity opened on the inner wall of the transverse slider. A third servo motor is fixedly installed on the right side of the transverse slider. The output shaft of the third servo motor extends into the interior of the transmission cavity and is fixedly installed with a worm. A vertical shaft is fixedly installed in the interior of the transmission cavity with a worm gear. The worm is meshed with the worm gear. The second angle adjustment component includes a mounting box fixedly installed on the surface of the turntable. A hydraulic rod is embedded on the front surface of the mounting box. The telescopic end of the hydraulic rod extends into the interior of the mounting box and is fixedly installed with a rack. A horizontal shaft is fixedly installed in the interior of the mounting box with a toothed disc. The rack and the toothed disc are meshed. By driving the worm to rotate through the third servo motor, based on the meshing of the worm and the worm gear, the vertical shaft can be driven to rotate. By driving the rack to move through the telescopic movement of the hydraulic rod, based on the meshing of the rack and the toothed disc, the horizontal shaft can be driven to rotate, so that the angle of the hydraulic test rod can be adjusted.

[0013] Further, a test plate is fixedly installed at the telescopic end of the hydraulic test rod, and a pressure sensor is fixedly installed at the bottom end of the test plate.

[0014] The technical effects and advantages of the present utility model:

[0015] 1. In the present utility model, the power equipment is positioned on the surface of the test bench, and the hydraulic test rod is extended to extrude the power equipment, so as to achieve the purpose of performing an external withstand voltage test on the outer shell of the power equipment. During the use of the hydraulic test rod, the horizontal position, vertical position and angle of the hydraulic test rod can be adjusted, so as to adapt to the needs of testing different angles of the outer shells of power equipment with different shapes, and the applicability is strong.

[0016] 2. In the present utility model, by setting the positioning component, when positioning the power equipment, first place the power equipment on the surface of the test bench. By rotating the tightening screw, the outer part of the power equipment can be clamped and fixed by using the tightening plate, and the position of the tightening screw can be adjusted by using the adjusting plate to slide in the limit chute, so as to adapt to the fixation of the outer shells of different shapes of equipment; by setting the positioning pin rod, when the power equipment is placed on the surface of the test bench, the gravity of the outer shell presses down on the positioning pin rod, causing the support spring to contract. By using the positioning pin rod, the outer shells of different shapes can be limited, improving the stability of equipment positioning and avoiding the situation of the equipment sliding on the surface of the test bench.

[0017] 3. In the present utility model, by setting the limit slide rod, the movement path of the transverse frame can be restricted, avoiding the situation of the transverse frame flipping on the surface of the longitudinal screw; by setting the pressure sensor on the surface of the test plate, the pressure applied by the hydraulic test rod on the surface of the equipment outer shell can be accurately measured. Description of the Drawings

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the first perspective of the present utility model;

[0019] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model from the second viewing angle;

[0020] Figure 3 This is a schematic diagram of the three-dimensional structure of the annular enclosure of the utility model;

[0021] Figure 4 This is a schematic diagram of the three-dimensional structure of the tray of the utility model;

[0022] Figure 5 for Figure 2 The enlarged structural diagram at A in the middle;

[0023] Figure 6 This is a schematic diagram of a cutaway three-dimensional structure of the transverse sliding block of the utility model;

[0024] Figure 7 This is a schematic diagram of the cutaway three-dimensional structure of the installation box of the utility model.

[0025] The accompanying drawings are marked as follows: 1. test bench; 2. mounting frame; 3. rectangular frame; 4. longitudinal screw; 5. first servo motor; 6. transverse frame; 7. transverse screw; 8. second servo motor; 9. transverse slider; 10. vertical axis; 11. turntable; 12. transverse axis; 13. hydraulic test rod; 14. annular enclosure; 15. tightening screw; 16. tightening plate; 17. adjustment plate; 18. positioning pin rod; 19. tray; 20. support spring; 21. limit slide; 22. third servo motor; 23. worm; 24. worm wheel; 25. mounting box; 26. hydraulic rod; 27. rack; 28. toothed disc; 29. ​​test plate; 30. pressure sensor. DETAILED DESCRIPTION

[0026] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative. The external voltage withstand test equipment for an electric power equipment involved in the present invention is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0027] Reference Figure 1-7 The utility model provides an externally applied voltage withstand test device for electric power equipment, comprising a test bench 1, the upper surface of which is provided with a positioning assembly and a mounting frame 2.

[0028] The positioning assembly includes an annular enclosure 14 fixedly mounted on the surface of the test bench 1 , a side wall of the annular enclosure 14 is provided with a clamping screw 15 , and a threaded end of the clamping screw 15 is rotatably connected to a clamping plate 16 .

[0029] When the external voltage withstand test equipment of the power equipment is in use, the overall device is pre-connected to the external power control system, and then the power equipment is placed on the surface of the test bench 1. By rotating the tightening screw 15, the outer part of the power equipment can be clamped and fixed by using the tightening plate 16.

[0030] A limiting chute is opened on the side wall of the annular enclosure 14, and an adjusting plate 17 is slidably connected to the inner wall of the limiting chute. The tightening screw 15 is threadedly connected to the surface of the adjusting plate 17.

[0031] When using the tightening screw 15 to position the outer shell of the power equipment, the adjusting plate 17 can slide inside the limiting chute, and the position of the tightening screw 15 can be adjusted, so as to adapt to the fixing of the outer shells of different shapes.

[0032] The positioning component further includes a positioning pin rod 18 inserted on the surface of the test bench 1. A tray 19 is fixedly installed at the bottom end of the test bench 1. A support spring 20 is sleeved on the surface of the positioning pin rod 18, and the bottom end of the support spring 20 abuts against the inner bottom wall of the tray 19.

[0033] By setting the positioning pin rod 18, when the power equipment is placed on the surface of the test bench 1, the gravity of the equipment shell presses down on the positioning pin rod 18, causing the support spring 20 to contract. By using the remaining non-contracted positioning pin rods 18, the outer shells of different shapes can be limited, improving the stability of the equipment positioning and avoiding the situation of the equipment sliding on the surface of the test bench 1.

[0034] A test component is arranged on the surface of the mounting frame 2.

[0035] The test component includes a rectangular frame 3 fixedly installed on the inner top wall of the mounting frame 2. A longitudinal screw rod 4 is rotatably connected to the inner wall of the rectangular frame 3. A first servo motor 5 for driving the longitudinal screw rod 4 to rotate is fixedly installed on the front surface of the rectangular frame 3. A transverse frame 6 is threadedly connected to the surface of the longitudinal screw rod 4. A transverse groove is opened at the bottom end of the transverse frame 6. A transverse screw rod 7 is rotatably connected to the inner wall of the transverse groove. A second servo motor 8 for driving the transverse screw rod 7 to rotate is fixedly installed at the right end of the transverse frame 6. A transverse slider 9 is threadedly connected to the surface of the transverse screw rod 7. The transverse slider 9 is slidably connected to the transverse groove. A vertical shaft 10 is fixedly installed at the bottom end of the transverse slider 9. A first angle adjustment component is arranged between the transverse slider 9 and the vertical shaft 10. A turntable 11 is fixedly installed at the bottom end of the vertical shaft 10. A horizontal shaft 12 is rotatably connected to the bottom side of the turntable 11. A second angle adjustment component is arranged between the turntable 11 and the horizontal shaft 12. A hydraulic test rod 13 is embedded on the surface of the horizontal shaft 12, and the telescopic end of the hydraulic test rod 13 corresponds to the surface position of the test bench 1.

[0036] A test plate 29 is fixedly installed at the telescopic end of the hydraulic test rod 13, and a pressure sensor 30 is fixedly installed at the bottom end of the test plate 29.

[0037] In this embodiment, after positioning the power equipment on the surface of the test bench 1, control the hydraulic test rod 13 to extend, use the extension of the hydraulic test rod 13 to squeeze the power equipment, and use the pressure sensor 30 to accurately measure the pressure exerted by the test hydraulic test rod 13 on the surface of the equipment shell, so as to achieve the purpose of performing an external withstand voltage test on the power equipment shell.

[0038] It should be noted that in this embodiment, when using the hydraulic test rod 13, by driving the longitudinal screw rod 4 to rotate through the first servo motor 5, the longitudinal positions of the transverse frame 6 and the hydraulic test rod 13 can be adjusted. By driving the transverse screw rod 7 to rotate through the second servo motor 8, the transverse positions of the transverse slider 9 and the hydraulic test rod 13 can be adjusted, so as to perform external withstand voltage tests on different positions of the equipment shell.

[0039] The first angle adjustment assembly includes a transmission cavity opened on the inner wall of the transverse slider 9. A third servo motor 22 is fixedly installed on the right side of the transverse slider 9. The output shaft of the third servo motor 22 extends into the interior of the transmission cavity and is fixedly installed with a worm 23. A vertical shaft 10 is fixedly installed in the interior of the transmission cavity with a worm gear 24, and the worm 23 meshes with the worm gear 24.

[0040] The second angle adjustment assembly includes a mounting box 25 fixedly installed on the surface of the turntable 11. A hydraulic rod 26 is embedded on the front surface of the mounting box 25. The telescopic end of the hydraulic rod 26 extends into the interior of the mounting box 25 and is fixedly installed with a rack 27. A horizontal shaft 12 is fixedly installed in the interior of the mounting box 25 with a toothed disc 28, and the rack 27 meshes with the toothed disc 28.

[0041] It should be noted that when using the hydraulic test rod 13, by driving the worm 23 to rotate through the third servo motor 22, based on the meshing of the worm 23 and the worm gear 24, the vertical shaft 10 can be driven to rotate. By the telescopic movement of the hydraulic rod 26 to drive the rack 27 to move, based on the meshing of the rack 27 and the toothed disc 28, the horizontal shaft 12 can be driven to rotate, so as to adjust the angle of the hydraulic test rod 13, and thus meet the requirements of performing different angle tests on the power equipment shells with different shapes, with strong applicability.

[0042] It should be noted that since the hydraulic test rod 13 and the pressure sensor 30 can rotate, when performing electrical installation on them, a conductive slip ring needs to be used for connection to ensure continuous electrical connection between the rotating hydraulic test rod 13 and the pressure sensor 30 and the external power system.

[0043] The inner wall of the rectangular frame 3 is fixedly installed with a limiting slide bar 21, and the transverse frame 6 is slidably connected to the surface of the limiting slide bar 21.

[0044] By providing the limiting slide bar 21, the movement path of the transverse frame 6 can be restricted, preventing the transverse frame 6 from flipping on the surface of the longitudinal screw 4.

[0045] Finally, it should be noted that in the attached drawings of the disclosed embodiments of the present utility model, only the structures related to the disclosed embodiments are involved. For other structures, reference can be made to the general design. Without conflict, the same embodiment and different embodiments of the present utility model can be combined with each other.

Claims

1. A test device for an externally applied voltage withstand test of an electric power device, comprising a test bench (1), characterized in that: The upper surface of the test bench (1) is provided with a positioning component and a mounting frame (2), and the surface of the mounting frame (2) is provided with a test component; The test assembly comprises a rectangular frame (3) fixedly mounted on the inner top wall of the mounting frame (2), the inner wall of the rectangular frame (3) being rotatably connected to a longitudinal screw (4), and a first servo motor (5) for driving the longitudinal screw (4) to rotate is fixedly mounted on the front of the rectangular frame (3), a transverse frame (6) is threadedly connected to the surface of the longitudinal screw (4), a transverse groove is provided at the bottom end of the transverse frame (6), a transverse screw (7) is rotatably connected to the inner wall of the transverse groove, a second servo motor (8) for driving the transverse screw (7) to rotate is fixedly mounted on the right end of the transverse frame (6), and the surface of the transverse screw (7) is threadedly connected to the transverse frame (6). A transverse slider (9) is provided, the transverse slider (9) is slidably connected to the transverse groove, a vertical shaft (10) is fixedly installed at the bottom end of the transverse slider (9), a first angle adjustment component is arranged between the transverse slider (9) and the vertical shaft (10), a turntable (11) is fixedly installed at the bottom end of the vertical shaft (10), a transverse shaft (12) is rotatably connected to the bottom side of the turntable (11), and a second angle adjustment component is arranged between the turntable (11) and the transverse shaft (12), a hydraulic test rod (13) is embedded on the surface of the transverse shaft (12), and the telescopic end of the hydraulic test rod (13) corresponds to the surface position of the test bench (1).

2. The externally applied voltage withstand test equipment for electric power equipment according to claim 1, characterized in that: The positioning assembly comprises an annular enclosure (14) fixedly mounted on the surface of the test bench (1), a side wall of the annular enclosure (14) is provided with a clamping screw (15), and a threaded end of the clamping screw (15) is rotatably connected to a clamping plate (16).

3. The externally applied voltage withstand test equipment for electric power equipment according to claim 2, characterized in that: The side wall of the annular enclosure (14) is provided with a limiting sliding groove, the inner wall of the limiting sliding groove is slidably connected with an adjustment plate (17), and the tightening screw (15) is threadedly connected to the surface of the adjustment plate (17).

4. The externally applied voltage withstand test equipment for electric power equipment according to claim 2, characterized in that: The positioning assembly also includes a positioning pin rod (18) inserted into the surface of the test bench (1); a tray (19) is fixedly mounted on the bottom end of the test bench (1); a support spring (20) is sleeved on the surface of the positioning pin rod (18); and the bottom end of the support spring (20) is tightly pressed against the inner bottom wall of the tray (19).

5. The externally applied voltage withstand test equipment for electric power equipment according to claim 1, characterized in that: A limiting slide bar (21) is fixedly mounted on the inner wall of the rectangular frame (3), and the transverse frame (6) is slidably connected to the surface of the limiting slide bar (21).

6. The externally applied voltage withstand test equipment for electric power equipment according to claim 1, characterized in that: The first angle adjustment assembly comprises a transmission cavity formed on the inner wall of a transverse slider (9); a third servo motor (22) is fixedly mounted on the right side of the transverse slider (9); an output shaft of the third servo motor (22) extends into the interior of the transmission cavity and is fixedly mounted with a worm (23); a worm wheel (24) is fixedly mounted on the vertical shaft (10) in the interior of the transmission cavity; the worm wheel (23) is meshed with the worm wheel (24).

7. The externally applied voltage withstand test equipment for electric power equipment according to claim 1, characterized in that: The second angle adjustment assembly comprises a mounting box (25) fixedly mounted on the surface of the rotating disk (11), a hydraulic rod (26) being embedded on the front surface of the mounting box (25), a telescopic end of the hydraulic rod (26) extending into the interior of the mounting box (25) and fixedly mounted with a rack (27), a transverse axis (12) being fixedly mounted with a toothed disc (28) inside the mounting box (25), and the rack (27) and the toothed disc (28) being meshed with each other.

8. The externally applied voltage withstand test equipment for electric power equipment according to claim 1, characterized in that: A test plate (29) is fixedly mounted on the telescopic end of the hydraulic test rod (13), and a pressure sensor (30) is fixedly mounted on the bottom end of the test plate (29).

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