Detection device for transformer oil tank

Abstract

The utility model discloses a detection device for a transformer oil tank, and relates to the technical field of transformer processing. The transformer oil tank detection device comprises a detection box, a bearing plate is arranged in the detection box in a liftable mode, a stepped groove is formed in the top face of the bearing plate in a penetrating mode, a transformer oil tank body is arranged on one side of the bearing plate, the transformer oil tank body is matched with the stepped groove, a cushion table is fixedly connected to the outer side wall of the detection box, and an air pump is fixedly connected to the top face of the cushion table. The output end of the air pump is fixedly connected with a hose, the end, away from the air pump, of the hose is fixedly connected with a hard pipe, the end, away from the hose, of the hard pipe is fixedly connected with a nozzle, the output end of the nozzle faces the bearing plate, the side wall of the hard pipe is fixedly connected with a fixing base, and one side of the fixing base is provided with a ring body. According to the utility model, the sealing performance of the transformer oil tank main body can be conveniently detected, the operation is convenient, and the transformer oil tank main body can be blow-dried after the sealing performance of the transformer oil tank main body is detected.

Description

Technical Field

[0001] The utility model relates to the technical field of transformer processing, in particular to a detection device for a transformer oil tank. Background Art

[0002] The body of the oil-immersed transformer is installed in an oil tank filled with transformer oil. The oil tank is welded with steel plates. The oil tank of the transformer consists of a tank shell and a tank cover. The body of the transformer is placed in the tank shell. The body can be lifted out for maintenance by opening the tank cover, which greatly reduces the maintenance cost of the transformer and prolongs the service life of the transformer.

[0003] After the oil tank of an oil-immersed transformer is produced, part of the oil tank needs to be extracted for sealing detection. However, the current transformer oil tank detection device is relatively laborious when detecting the sealing of the oil tank. Most of the time, the staff directly puts the oil tank into water to observe the bubbles. After the detection, the moisture on the oil tank cannot be removed in time, which affects the next step of the process. In view of the above problems, the inventor proposes a transformer oil tank detection device to solve the above problems. Utility Model Content

[0004] In order to solve the problem that the current transformer oil tank detection device is relatively laborious when detecting the oil tank sealing and cannot remove the moisture on the oil tank in time after the detection; the purpose of the utility model is to provide a transformer oil tank detection device.

[0005] To solve the above technical problems, the utility model adopts the following technical solutions: a detection device for a transformer oil tank, comprising a detection box, a support plate is arranged inside the detection box in a liftable manner, a step groove is penetrated on the top surface of the support plate, a transformer oil tank body is arranged on one side of the support plate, the transformer oil tank body cooperates with the step groove, a pad is fixedly connected to the outer wall of the detection box, an air pump is fixedly connected to the top surface of the pad, a hose is fixedly connected to the output end of the air pump, a hard pipe is fixedly connected to the end of the hard pipe away from the hose, a nozzle is fixedly connected to the end of the hard pipe away from the hose, the output end of the nozzle faces the support plate, a fixed seat is fixedly connected to the side wall of the hard pipe, a ring body is arranged on one side of the fixed seat, a turntable is arranged on the side of the ring body facing away from the fixed seat, a convex shaft is fixedly connected to the side of the turntable facing the ring body, and a motor is arranged on the side of the turntable facing away from the ring body.

[0006] Preferably, an electric cylinder is arranged above the supporting plate, and a fixing bracket is provided on the side wall fixing sleeve of the electric cylinder, and one end of the fixing bracket away from the electric cylinder is fixed to the top surface of the detection box, and the output shaft of the electric cylinder is fixed to the side wall of the supporting plate, and a cylinder is arranged below the supporting plate, and the bottom surface of the cylinder is fixedly connected to the inner bottom wall of the detection box, and the top surface of the cylinder is slidably connected with a movable rod, and the top end of the movable rod is fixedly connected with a connecting plate, and the side wall of the connecting plate is fixedly connected to the side wall of the supporting plate, and the cylinder and the electric cylinder are located on both sides of the supporting plate. When the electric cylinder is started, the supporting plate can be moved up and down driven by the output shaft of the electric cylinder, so that the transformer oil tank body is immersed in the liquid of the detection box to observe bubbles, thereby performing a sealing test. When the supporting plate is lifted or lowered, the movable rod can be lifted or lowered in the cylinder, and the supporting plate can be moved up and down more smoothly through the cooperation between the movable rod and the cylinder.

[0007] Preferably, a water outlet pipe is provided through the side wall of the detection box, and a plug is detachably provided at the pipe mouth of the water outlet pipe. After the detection is completed, the plug is removed and the water in the detection box can be discharged through the water outlet pipe.

[0008] Preferably, the motor is embedded and fixed in the side wall of the detection box, the output shaft of the motor is fixed to the center of the turntable, the cam is offset from the center of the turntable, and the cam cooperates with the ring mouth of the ring body. When the motor is started, the turntable can rotate driven by the output shaft of the motor, and the guide rod can be moved left and right through the mutual cooperation between the cam and the ring body, and the guide rod and the limit block, so that the guide rod can be moved left and right, and then the nozzle can be moved left and right through the fixed seat to increase the contact surface so as to dry the transformer oil tank body after inspection. The two side surfaces of the ring body are fixedly connected with guide rods, and the side walls of the guide rods are fixedly connected to the side walls of the fixed seat. The side walls of the guide rods are slidably connected to the limit blocks on both sides of the fixed seat, and the side walls of the limit blocks are fixedly connected with connecting columns, and the side walls of the connecting columns are fixedly connected to the side walls of the detection box.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] 1. The utility model is convenient for testing the sealing of the transformer oil tank body. The operation is convenient. The transformer oil tank body is placed in the stepped groove of the supporting plate. The transformer oil tank body is moved down in the testing box by the electric cylinder and immersed in the liquid of the testing box. The bubbles are observed, so that the sealing test can be carried out.

[0011] 2. The utility model, after completing the sealing test of the transformer oil tank body, can make the nozzle spray gas through the air pump, so as to dry the transformer oil tank body after the test, so as to facilitate the next step of the process, and the nozzle can be moved left and right in a circular motion to increase the contact surface and improve the drying efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0014] Figure 2 This is a schematic diagram of the structure of the detection box of the utility model.

[0015] Figure 3 It is a schematic diagram of the supporting plate structure of the utility model.

[0016] Figure 4 This is a schematic diagram of the cooperation between the nozzle and the ring body of the utility model.

[0017] Figure 5 It is an enlarged view of point A of the present utility model.

[0018] In the figure: 1. detection box; 2. fixing frame; 3. electric cylinder; 4. supporting plate; 5. step groove; 6. transformer oil tank body; 7. cylinder; 8. movable rod; 9. connecting plate; 10. pad; 11. water outlet pipe; 12. air pump; 13. hose; 14. hard pipe; 15. nozzle; 16. fixing seat; 17. motor; 18. turntable; 19. cam; 20. ring body; 21. guide rod; 22. limit block; 23. connecting column. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Example: Figure 1-5As shown, the utility model provides a transformer oil tank detection device, including a detection box 1, the detection box 1 is provided with a support plate 4 which can be lifted and lowered inside, the top surface of the support plate 4 is penetrated with a stepped groove 5, a transformer oil tank body 6 is provided on one side of the support plate 4, the transformer oil tank body 6 cooperates with the stepped groove 5, a pad 10 is fixedly connected to the outer wall of the detection box 1, an air pump 12 is fixedly connected to the top surface of the pad 10, a hose 13 is fixedly connected to the output end of the air pump 12, and the hose 13 is fixedly connected to the output end of the air pump 12. The end away from the air pump 12 is fixedly connected with a hard tube 14, the end away from the hose 13 is fixedly connected with a nozzle 15, the output end of the nozzle 15 faces the supporting plate 4, the side wall of the hard tube 14 is fixedly connected with a fixing seat 16, one side of the fixing seat 16 is provided with a ring body 20, the side of the ring body 20 facing away from the fixing seat 16 is provided with a rotating disk 18, the side of the rotating disk 18 facing the ring body 20 is fixedly connected with a convex shaft 19, and the side of the rotating disk 18 facing away from the ring body 20 is provided with a motor 17.

[0021] An electric cylinder 3 is arranged above the supporting plate 4, and a fixing frame 2 is provided on the side wall of the electric cylinder 3. The end of the fixing frame 2 away from the electric cylinder 3 is fixed to the top surface of the detection box 1, and the output shaft of the electric cylinder 3 is fixed to the side wall of the supporting plate 4. A cylinder 7 is arranged below the supporting plate 4, and the bottom surface of the cylinder 7 is fixedly connected to the inner bottom wall of the detection box 1. A movable rod 8 is inserted and slidably connected to the top surface of the cylinder 7, and the top end of the movable rod 8 is fixedly connected to a connecting plate 9, and the side wall of the connecting plate 9 is fixedly connected to the side wall of the supporting plate 4. The cylinder 7 and the electric cylinder 3 are located on both sides of the supporting plate 4.

[0022] By adopting the above technical solution, the electric cylinder 3 is started, and the supporting plate 4 can move up and down driven by the output shaft of the electric cylinder 3, so that the transformer oil tank body 6 is immersed in the liquid of the detection box 1 to observe bubbles and thus perform a sealing test. When the supporting plate 4 is raised or lowered, the movable rod 8 can be raised or lowered in the cylinder 7. The mutual cooperation between the movable rod 8 and the cylinder 7 can make the supporting plate 4 move up and down more smoothly.

[0023] A water outlet pipe 11 is provided through the side wall of the detection box 1 , and a plug is detachably provided at the pipe opening of the water outlet pipe 11 .

[0024] By adopting the above technical solution, after the test is completed, the plug is removed and the water in the test box 1 can be discharged through the water outlet pipe 11.

[0025] The motor 17 is embedded and fixed in the side wall of the detection box 1 , the output shaft of the motor 17 is fixed to the center of the turntable 18 , the convex shaft 19 is offset from the center of the turntable 18 , and the convex shaft 19 is matched with the ring opening of the ring body 20 .

[0026] By adopting the above technical solution, the motor 17 is started, and the turntable 18 can be rotated under the drive of the output shaft of the motor 17. Through the mutual cooperation of the convex shaft 19 and the ring body 20, and the mutual cooperation of the guide rod 21 and the limit block 22, the guide rod 21 can be moved left and right, and then the nozzle 15 can be moved left and right through the fixed seat 16 to increase the contact surface, so as to dry the transformer oil tank body 6 after inspection.

[0027] Both side surfaces of the ring body 20 are fixedly connected with guide rods 21, and the side walls of the guide rods 21 are fixedly connected with the side walls of the fixed seat 16. The side walls of the guide rods 21 are slidably connected with limit blocks 22 on both sides of the fixed seat 16. The side walls of the limit blocks 22 are fixedly connected with connecting columns 23, and the side walls of the connecting columns 23 are fixedly connected with the side walls of the detection box 1.

[0028] By adopting the above technical solution, a through opening is provided through the side wall of the limiting block 22 , and the guide rod 21 matches with the through opening.

[0029] Working principle: When the utility model is used, the transformer oil tank body 6 is placed in the stepped groove 5 of the supporting plate 4, and the transformer oil tank body 6 is moved down in the detection box 1 by the electric cylinder 3 to be immersed in the liquid of the detection box 1 to observe the bubbles, thereby performing the sealing test;

[0030] After the test is completed, the support plate 4 is raised so that the transformer oil tank body 6 is located above the liquid surface, and the air pump 12 is started so that the nozzle 15 sprays gas, thereby drying the transformer oil tank body 6 after the test;

[0031] At the same time, the motor 17 is started, and the turntable 18 can rotate driven by the output shaft of the motor 17. Through the cooperation between the convex shaft 19 and the ring body 20, and the cooperation between the guide rod 21 and the limit block 22, the guide rod 21 can be moved left and right, and then the nozzle 15 can be moved left and right through the fixed seat 16 to increase the contact surface and improve the drying efficiency.

[0032] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A transformer oil tank detection device, comprising a detection box (1), characterized in that: The detection box (1) is provided with a support plate (4) inside which can be raised and lowered, the top surface of the support plate (4) is provided with a stepped groove (5), a transformer oil tank body (6) is provided on one side of the support plate (4), the transformer oil tank body (6) cooperates with the stepped groove (5), the outer wall of the detection box (1) is fixedly connected with a cushion platform (10), the top surface of the cushion platform (10) is fixedly connected with an air pump (12), the output end of the air pump (12) is fixedly connected with a hose (13), and the end of the hose (13) away from the air pump (12) is fixedly connected with a hard pipe (14), one end of the hard tube (14) away from the hose (13) is fixedly connected to a nozzle (15), the output end of the nozzle (15) faces the supporting plate (4), the side wall of the hard tube (14) is fixedly connected to a fixing seat (16), a ring body (20) is arranged on one side of the fixing seat (16), a rotating disk (18) is arranged on the side of the ring body (20) facing away from the fixing seat (16), a convex shaft (19) is fixedly connected to the side of the rotating disk (18) facing the ring body (20), and a motor (17) is arranged on the side of the rotating disk (18) facing away from the ring body (20).

2. A transformer oil tank detection device as claimed in claim 1, characterized in that: An electric cylinder (3) is arranged above the supporting plate (4); a fixing frame (2) is provided on the side wall fixing sleeve of the electric cylinder (3); an end of the fixing frame (2) away from the electric cylinder (3) is fixed to the top surface of the detection box (1); and an output shaft of the electric cylinder (3) is fixed to the side wall of the supporting plate (4).

3. A transformer oil tank detection device as claimed in claim 2, characterized in that: A cylinder (7) is arranged below the supporting plate (4), the bottom surface of the cylinder (7) is fixedly connected to the inner bottom wall of the detection box (1), the top surface of the cylinder (7) is slidably connected with a movable rod (8), the top end of the movable rod (8) is fixedly connected with a connecting plate (9), the side wall of the connecting plate (9) is fixedly connected to the side wall of the supporting plate (4), and the cylinder (7) and the electric cylinder (3) are located on both sides of the supporting plate (4).

4. A transformer oil tank detection device as claimed in claim 1, characterized in that: A water outlet pipe (11) is provided through the side wall of the detection box (1), and a plug is detachably provided at the pipe opening of the water outlet pipe (11).

5. A transformer oil tank detection device as claimed in claim 1, characterized in that: The motor (17) is embedded and fixed in the side wall of the detection box (1), and the output shaft of the motor (17) is fixed to the center of the turntable (18).

6. A transformer oil tank detection device as claimed in claim 1, characterized in that: The convex shaft (19) is misaligned with the center of the rotating disk (18), and the convex shaft (19) is matched with the ring opening of the ring body (20).

7. A transformer oil tank detection device as claimed in claim 1, characterized in that: Both side surfaces of the ring body (20) are fixedly connected to guide rods (21), and the side walls of the guide rods (21) are fixedly connected to the side walls of the fixing seat (16).

8. A transformer oil tank detection device as claimed in claim 7, characterized in that: The side walls of the guide rod (21) are slidably connected to limit blocks (22) on both sides of the fixed seat (16); the side walls of the limit blocks (22) are fixedly connected to connecting columns (23); and the side walls of the connecting columns (23) are fixedly connected to the side walls of the detection box (1).

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