Voltage transformer with resonance elimination function

Abstract

The utility model relates to the technical field of voltage transformers, and discloses a voltage transformer with a resonance elimination function, which comprises a shell, a hydraulic cylinder is fixedly connected to the inner wall of the rear side of the shell, a toothed rail is fixedly connected to the output end of the hydraulic cylinder, and transmission gears are connected to the outer walls of the left side and the right side of the toothed rail in a meshed manner. A first rotating shaft is rotatably connected to the inner wall of the rear side of the shell, a first transmission plate is fixedly connected to the outer wall of the upper side of the first rotating shaft, a rotating column is rotatably connected to the interior of the left side of the first transmission plate, a clamping block is fixedly connected to the outer wall of the rotating column, and a resonance eliminator is arranged on the outer wall of the clamping block. According to the utility model, the hydraulic cylinder is started to drive the toothed rail to move left and right, the toothed rail drives the sliding block to slide at the moment, and then the toothed rail drives the transmission gear to rotate, so that the resonance eliminator in the voltage transformer with the resonance elimination function can be quickly disassembled and assembled; therefore, the effect that maintenance personnel can conveniently and quickly maintain the resonance eliminator and replace parts can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of voltage transformers, in particular to a voltage transformer with a resonance elimination function. Background Art

[0002] Voltage transformers are similar to transformers and are instruments used to convert voltage. The purpose of voltage transformers in converting voltage is mainly to power measuring instruments and relay protection devices, and to measure the voltage, power and electric energy of the line. Voltage transformers produce ferromagnetic resonance during operation, and voltage transformers with resonance elimination function are often used.

[0003] Existing voltage transformers with resonance elimination function eliminate the influence of ferromagnetic resonance by connecting the voltage transformer to a tuner. However, the tuner is often fixed in the voltage transformer, which makes it impossible to maintain and replace the tuner. Utility Model Content

[0004] In order to make up for the above deficiencies, the utility model provides a voltage transformer with a resonance elimination function, aiming to improve the problem that the resonance eliminator cannot be maintained and replaced because the resonance eliminator is fixed in the voltage transformer.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] The transmission gear of the present invention is a gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a

[0007] Preferably, the rotating assembly includes a second transmission plate, the left inner side of the second transmission plate is rotatably connected to the outer wall of the second rotating shaft, the rear inner wall of the outer shell is fixedly connected to the third rotating shaft, and the upper outer wall of the third rotating shaft is rotatably connected to the right inner side of the second transmission plate.

[0008] Preferably, a slider is fixedly connected to the lower surface of the rack rail, a limiting groove is provided inside the housing, and the outer wall of the slider is slidably connected to the inside of the limiting groove.

[0009] Preferably, a box body is fixedly connected to the front inner wall of the shell, and a box cover is provided on the upper surface of the box body.

[0010] Preferably, a first mounting block is fixedly connected to the outer wall of the box body, and a second mounting block is provided on the outer wall of the box cover.

[0011] Preferably, the outer wall of the first mounting block is fixedly connected to a rotating rod, and the outer wall of the rotating rod is rotatably connected to the rotating block.

[0012] Preferably, a transmission rod is fixedly connected to the interior of the rotating block, and a clamping column is fixedly connected to the interior of the transmission rod.

[0013] Preferably, the outer wall of the clamping column is arranged inside the limiting block, and the outer wall of the limiting block is fixedly connected to the outer wall of the second mounting block.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, the hydraulic cylinder is started to drive the rack to move left and right. At this time, the rack drives the slider to slide, and then the rack drives the transmission gear to rotate, so as to realize the rapid disassembly and installation of the harmonic eliminator in the voltage transformer with resonance elimination function, thereby achieving the effect of facilitating maintenance personnel to quickly maintain and replace parts of the harmonic eliminator.

[0016] 2. In the present invention, the rotating block is rotated by pulling the rotating block, and then the transmission rod is rotated under the drive of the rotating block, thereby achieving the purpose of keeping the working environment of the voltage transformer with the resonance elimination function dry, thereby achieving the effect of preventing the voltage transformer from being damaged by a humid environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional diagram of a voltage transformer with resonance elimination function proposed by the utility model;

[0018] Figure 2 This is a schematic diagram of a rack of a voltage transformer with resonance elimination function proposed in the present invention;

[0019] Figure 3 This is a schematic diagram of a box cover of a voltage transformer with resonance elimination function proposed in the utility model;

[0020] Figure 4 This is a schematic diagram of a rotating block of a voltage transformer with resonance elimination function proposed by the utility model.

[0021] Legend:

[0022] 1. Housing; 2. Hydraulic cylinder; 3. Rack; 4. Transmission gear; 5. First rotating shaft; 6. First transmission plate; 7. Rotating column; 8. Second rotating shaft; 9. Clamping block; 10. Detuning device; 11. Limiting groove; 12. Slider; 13. Third rotating shaft; 14. Second transmission plate; 15. Box body; 16. Box cover; 17. First mounting block; 18. Second mounting block; 19. Rotating block; 20. Rotating rod; 21. Transmission rod; 22. Clamping column; 23. Limiting block. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings of the specification of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] Reference Figure 1 and Figure 2 The utility model provides an embodiment of a voltage transformer with a resonance elimination function, comprising a shell 1, a hydraulic cylinder 2 is fixedly connected to the rear inner wall of the shell 1, an output end of the hydraulic cylinder 2 is fixedly connected to a rack 3, and the left and right outer walls of the rack 3 are meshed with a transmission gear 4, the rear inner wall of the shell 1 is rotatably connected to a first rotating shaft 5, the upper outer wall of the first rotating shaft 5 is fixedly connected to a first transmission plate 6, the lower outer wall of the first rotating shaft 5 is fixedly connected to the inside of the transmission gear 4, the left inner side of the first transmission plate 6 is rotatably connected to a rotating column 7, the outer wall of the rotating column 7 is fixedly connected to a card block 9, the outer wall of the card block 9 is provided with a harmonic elimination device 10, the left inner side of the card block 9 is fixedly connected to a second rotating shaft 8, and the outer wall of the second rotating shaft 8 is provided with a rotating assembly, which is used to assist the card block 9 in rotating;

[0025] Specifically, the hydraulic cylinder 2 is started to drive the rack 3 to move left and right. At this time, the rack 3 drives the slider 12 to slide, and then the rack 3 drives the transmission gear 4 to rotate, and then the transmission gear 4 drives the first rotating shaft 5 to rotate, and then the first transmission plate 6 rotates under the drive of the first rotating shaft 5. At this time, the rotating column 7 rotates synchronously with the rotation of the first transmission plate 6.

[0026] Reference Figure 2 The rotating assembly includes a second transmission plate 14, the left inner portion of the second transmission plate 14 is rotatably connected to the outer wall of the second rotating shaft 8, the rear inner wall of the housing 1 is fixedly connected to the third rotating shaft 13, and the upper outer wall of the third rotating shaft 13 is rotatably connected to the right inner portion of the second transmission plate 14;

[0027] Specifically, a groove is provided inside the harmonic eliminator 10, and the second transmission plate 14 rotates under the drive of the second rotating shaft 8. At this time, the clamping block 9 is disengaged from the inside of the harmonic eliminator 10, thereby achieving the purpose of quickly disassembling and installing the harmonic eliminator 10 in the voltage transformer with resonance elimination function, thereby facilitating maintenance personnel to quickly maintain and replace parts of the harmonic eliminator 10.

[0028] Reference Figure 1 、 Figure 3 and Figure 4 , the lower surface of the rack 3 is fixedly connected with a slider 12, and a limiting groove 11 is provided inside the shell 1, and the outer wall of the slider 12 is slidably connected to the inside of the limiting groove 11; the front inner wall of the shell 1 is fixedly connected to a box body 15, and the upper surface of the box body 15 is provided with a box cover 16; the outer wall of the box body 15 is fixedly connected to a first mounting block 17, and the outer wall of the box cover 16 is provided with a second mounting block 18; the outer wall of the first mounting block 17 is fixedly connected to a rotating rod 20, and the outer wall of the rotating rod 20 is rotatably connected to a rotating block 19; the interior of the rotating block 19 is fixedly connected to a transmission rod 21, and the interior of the transmission rod 21 is fixedly connected to a card column 22; the outer wall of the card column 22 is provided inside the limiting block 23, and the outer wall of the limiting block 23 is fixedly connected to the outer wall of the second mounting block 18;

[0029] Specifically, a groove is provided inside the limit block 23, and the rotating block 19 is pulled to rotate the rotating block 19, and then the transmission rod 21 rotates under the drive of the rotating block 19, and then the clamping column 22 is disengaged from the inside of the limit block 23 under the drive of the transmission rod 21. At this time, the box cover 16 and the box body 15 can be separated, and finally the expired moisture-proof agent in the first mounting block 17 is taken out and replaced with a new moisture-proof agent, so as to achieve the purpose of keeping the working environment of the voltage transformer with the resonance elimination function dry, thereby achieving the effect of preventing the voltage transformer from being damaged by a humid environment.

[0030] Working principle: When the device needs to be used, first start the hydraulic cylinder 2 to drive the rack 3 to move left and right. At this time, the rack 3 drives the slider 12 to slide inside the limit groove 11, and then the rack 3 drives the transmission gear 4 to rotate. Then the transmission gear 4 drives the first rotating shaft 5 to rotate inside the shell 1, and then the first transmission plate 6 rotates around the first rotating shaft 5 driven by the first rotating shaft 5. Then the rotating column 7 rotates synchronously with the rotation of the first transmission plate 6. At the same time, the second transmission plate 14 rotates around the third rotating shaft 13 driven by the second rotating shaft 8, and the clamping block 9 is disengaged from the inside of the harmonic eliminator 10 driven by the second rotating shaft 8 and the rotating column 7, thereby realizing the purpose of rapid disassembly and installation of the harmonic eliminator 10 in the voltage transformer with resonance elimination function, thereby facilitating maintenance personnel to quickly maintain the harmonic eliminator 10. and the effect of replacing parts; when it is necessary to replace the moisture-proof agent in the moisture-proof box of the voltage transformer with the resonance elimination function, pull the rotating block 19 to make the rotating block 19 rotate around the rotating rod 20, and then the transmission rod 21 rotates around the rotating rod 20 under the drive of the rotating block 19, and then the clamping column 22 is disengaged from the limit block 23 under the drive of the transmission rod 21, and then the box cover 16 and the box body 15 can be separated. At this time, the expired moisture-proof agent in the first mounting block 17 is taken out and replaced with a new moisture-proof agent, thereby achieving the purpose of keeping the working environment of the voltage transformer with the resonance elimination function dry, thereby preventing the voltage transformer from being damaged by a humid environment; it can not only achieve the effect of facilitating maintenance personnel to quickly maintain and replace parts of the harmonic elimination device 10, but also prevent the voltage transformer from being damaged by a humid environment.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A voltage transformer with a resonance elimination function, comprising a housing (1), characterized in that: The rear inner wall of the housing (1) is fixedly connected to a hydraulic cylinder (2), the output end of the hydraulic cylinder (2) is fixedly connected to a rack (3), the left and right outer walls of the rack (3) are meshedly connected to a transmission gear (4), the rear inner wall of the housing (1) is rotatably connected to a first rotating shaft (5), the upper outer wall of the first rotating shaft (5) is fixedly connected to a first transmission plate (6), the lower outer wall of the first rotating shaft (5) is fixedly connected to the inside of the transmission gear (4), the left inner part of the first transmission plate (6) is rotatably connected to a rotating column (7), the outer wall of the rotating column (7) is fixedly connected to a clamping block (9), the outer wall of the clamping block (9) is provided with a harmonic elimination device (10), the left inner part of the clamping block (9) is fixedly connected to a second rotating shaft (8), the outer wall of the second rotating shaft (8) is provided with a rotating assembly, and the rotating assembly is used to assist the clamping block (9) in rotating.

2. A voltage transformer with resonance elimination function according to claim 1, characterized in that: The rotating assembly includes a second transmission plate (14), the left inner portion of the second transmission plate (14) is rotatably connected to the outer wall of the second rotating shaft (8), the rear inner wall of the housing (1) is fixedly connected to a third rotating shaft (13), and the upper outer wall of the third rotating shaft (13) is rotatably connected to the right inner portion of the second transmission plate (14).

3. The voltage transformer with resonance elimination function according to claim 1, characterized in that: A slider (12) is fixedly connected to the lower surface of the rack rail (3), a limiting groove (11) is provided inside the housing (1), and the outer wall of the slider (12) is slidably connected to the inside of the limiting groove (11).

4. A voltage transformer with resonance elimination function according to claim 1, characterized in that: A box body (15) is fixedly connected to the front inner wall of the housing (1), and a box cover (16) is provided on the upper surface of the box body (15).

5. A voltage transformer with resonance elimination function according to claim 4, characterized in that: A first mounting block (17) is fixedly connected to the outer wall of the box body (15), and a second mounting block (18) is provided on the outer wall of the box cover (16).

6. A voltage transformer with resonance elimination function according to claim 5, characterized in that: The outer wall of the first mounting block (17) is fixedly connected to a rotating rod (20), and the outer wall of the rotating rod (20) is rotatably connected to a rotating block (19).

7. A voltage transformer with resonance elimination function according to claim 6, characterized in that: A transmission rod (21) is fixedly connected to the interior of the rotating block (19), and a clamping column (22) is fixedly connected to the interior of the transmission rod (21).

8. A voltage transformer with resonance elimination function according to claim 7, characterized in that: The outer wall of the clamping column (22) is arranged inside the limiting block (23), and the outer wall of the limiting block (23) is fixedly connected to the outer wall of the second mounting block (18).

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