Oil level gauge detection device for transformer

Abstract

The utility model discloses an oil level gauge detection device for a transformer, which relates to the technical field of oil level gauge detection and comprises a vertical sliding rail, a sliding groove is arranged in the vertical sliding rail, a one-way screw rod is arranged in the sliding groove, a vertical sliding block is arranged on the one-way screw rod, a horizontal sliding rail is arranged on the vertical sliding block, and straight rod type oil level gauge installation supports are symmetrically arranged on two sides of the horizontal sliding rail. The oil level gauge detection device has the advantages that transformer oil does not need to be used in the detection process of the oil level gauge detection device, the detection process is clean and tidy, oil pollution in the operation process does not need to be worried about, the work of cleaning oil stain of an oil level gauge after detection is completed is omitted, the detection efficiency is improved, and the detection cost is reduced. Meanwhile, only the relative positions of the oil level gauge and the detection device need to be fixed in the detection process, the sealing problem does not need to be considered, installation is relatively simple, and the detection device is small in size, light in weight, small in occupied area, convenient to carry and more convenient to use.

Description

Technical Field

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

[0002] The existing technology adopts the actual oil level detection method, and the oil level gauge is installed on the oil tank. The indication position of the oil level gauge is changed by controlling the height of the oil level to obtain the oil level gauge indication error detection result. However, the oil level gauge is installed on the side of the oil tank, and the installation sealing must be ensured, otherwise it is easy to leak oil. At the same time, the oil level gauge will contact a large amount of transformer oil during the detection process. The transformer oil in the oil level gauge needs to be cleaned after the detection. There is a lot of oil pollution in the whole detection process, and the whole calibration process needs to inject a large amount of transformer oil into the oil tank, so an oil storage tank is required. The whole set of equipment is large in size and inconvenient to use. Utility Model Content

[0003] The utility model provides an oil level gauge detection device for a transformer, which solves the existing problems.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an oil level gauge detection device for a transformer, comprising a vertical slide rail, a slide groove is provided in the vertical slide rail, a one-way screw is provided in the slide groove, a vertical slider is provided on the one-way screw, a horizontal slide rail is provided on the vertical slider, straight rod oil level gauge mounting brackets are symmetrically provided on both sides of the horizontal slide rail, and a linear displacement connecting rod oil level gauge mounting bracket is provided on the surface of one end of the vertical slide rail.

[0005] Preferably, a connecting groove is provided on the straight rod oil level gauge mounting bracket, threaded rods are symmetrically provided at both ends of the straight rod oil level gauge mounting bracket, the threaded rod is connected to the straight rod oil level gauge mounting bracket by threads, a fixing plate is provided at one end of the threaded rod, and the other end of the threaded rod is connected to the rotating block.

[0006] Preferably, a servo motor is provided on the linear displacement connecting rod type oil level gauge mounting bracket, the output shaft of the servo motor is connected to a bidirectional lead screw, opposite threads are provided at both ends of the bidirectional lead screw, and clamping plates are provided at both ends of the bidirectional lead screw.

[0007] Preferably, a protective pad is provided on the fixing plate, and the protective pad is made of rubber.

[0008] Preferably, the horizontal slide rail is provided with a groove, a horizontal sliding block is provided in the groove, and the horizontal sliding block is slidably connected to the horizontal slide rail via the groove.

[0009] Preferably, the vertical slide rail is provided with a scale.

[0010] Preferably, a fixed bottom plate is provided on one side of the back of the vertical slide rail.

[0011] Preferably, one end of the threaded rod extends out of a vertical slide rail and is connected to a hand wheel, and an anti-slip pad is provided on the hand wheel.

[0012] The beneficial effects of the utility model are as follows: the oil level gauge detection device does not need to use transformer oil during the detection process, so that the detection process is clean and tidy, and there is no need to worry about oil contamination during operation, and the work of cleaning the oil level gauge oil stains after the detection is saved. At the same time, the detection process only needs to fix the relative position of the oil level gauge and the detection device, and there is no need to consider the sealing problem. The installation is relatively simple, and the detection device is small in size, light in weight, occupies a small area and is easy to carry, making it more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0014] Figure 2 This is a schematic diagram of the structure of the utility model after the oil level gauge is installed.

[0015] Figure 3 For this utility model Figure 2 Enlarged view of point A in the middle.

[0016] Numbers in the figure: 1. Vertical slide rail; 2. Vertical slider; 3. Horizontal slider; 4. Horizontal slide rail; 5. Handwheel; 6. Straight rod oil level gauge mounting bracket; 7. Linear displacement connecting rod oil level gauge mounting bracket; 8. Fixed base plate; 9. One-way screw; 10. Threaded rod; 11. Fixed plate; 12. Rotating block; 13. Servo motor; 14. Bidirectional screw; 15. Clamping plate; 16. Protection pad; 17. Anti-slip pad. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0018] Reference Figure 1-Figure 3 As shown, an oil level gauge detection device for a transformer includes a vertical slide rail 1, a slide groove is provided in the vertical slide rail 1, a one-way screw 9 is provided in the slide groove, a vertical slider 2 is provided on the one-way screw 9, a horizontal slide rail 4 is provided on the vertical slider 2, straight rod oil level gauge mounting brackets 6 are symmetrically provided on both sides of the horizontal slide rail 4, and a linear displacement connecting rod oil level gauge mounting bracket 7 is provided on the surface of one end of the vertical slide rail 1.

[0019] A connecting groove is provided on the straight rod oil level gauge mounting bracket 6, and threaded rods 10 are symmetrically provided at both ends of the straight rod oil level gauge mounting bracket 6. The threaded rod 10 is connected to the straight rod oil level gauge mounting bracket 6 by threads. A fixed plate 11 is provided at one end of the threaded rod 10, and the other end of the threaded rod 10 is connected to a rotating block 12. The two ends of the oil level gauge are placed on the straight rod oil level gauge mounting bracket 6, and the rotating block 12 is rotated to drive the fixed plate 11 on the threaded rod 10 to move, and the two ends of the oil level gauge are clamped and fixed.

[0020] A servo motor 13 is provided on the linear displacement connecting rod oil level gauge mounting bracket 7, and the output shaft of the servo motor 13 is connected to a bidirectional screw rod 14. Opposite threads are provided at both ends of the bidirectional screw rod 14, and clamping plates 15 are provided at both ends of the bidirectional screw rod 14. When the servo motor 13 works, the clamping plates 15 at both ends of the bidirectional screw rod 14 are driven to move, thereby clamping and fixing. In this way, the detection process only needs to fix the relative position of the oil level gauge and the detection device, and there is no need to consider the sealing problem. The installation is relatively simple, making it more convenient to use.

[0021] A protective pad 16 is provided on the fixed plate 11, and the protective pad 16 is made of rubber and plays a protective role. A groove is provided on the horizontal slide rail 4, and a horizontal slider 3 is provided in the groove. The horizontal slider 3 is slidably connected to the horizontal slide rail 4 through the groove. A scale is provided on the vertical slide rail 1 for easy counting. A fixed bottom plate 8 is provided on one side of the back of the vertical slide rail 1. One end of the threaded rod 10 extends out of the vertical slide rail 1 and is connected to the hand wheel 5. An anti-slip pad 17 is provided on the hand wheel 5 to play an anti-slip role.

[0022] Working principle: When the utility model device is used, the oil level gauge is installed on the detection device, the horizontal position is adjusted, the oil level gauge connecting rod is connected to the horizontal slider 3, and the hand wheel 5 on the vertical slide rail 1 is adjusted to move the oil level gauge connecting rod downward so that the oil level gauge indicates at the scale "0". At this time, the horizontal position of the vertical slider 2 corresponds to the reading of the steel ruler is L min Adjust hand wheel 5 to move the connecting rod of the oil level gauge upward until the pointer of the oil level gauge indicates the scale "10", and record the reading of the steel ruler at this time as L max , (L max -L min ) / 10 is the actual oil level height difference corresponding to each scale of the oil level gauge dial. Compare the measured displacement of the vertical slider 2 with the indication value of the dial pointer to obtain the indication error value of the oil level gauge. That is, when the oil level gauge pointer indicates to the scale "4", the vertical slider 2 moves upward from the scale "0" (L max -L min )*4 / 10 of the displacement.

[0023] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A transformer oil level gauge detection device, comprising a vertical slide rail (1), characterized in that: The vertical slide rail (1) is provided with a slide groove, the slide groove is provided with a one-way screw rod (9), the one-way screw rod (9) is provided with a vertical slider (2), the vertical slider (2) is provided with a horizontal slide rail (4), the horizontal slide rail (4) is symmetrically provided with straight rod type oil level gauge mounting brackets (6) on both sides, and the surface of one end of the vertical slide rail (1) is provided with a linear displacement connecting rod type oil level gauge mounting bracket (7).

2. The oil level gauge detection device for transformer according to claim 1, characterized in that: The straight rod type oil level gauge mounting bracket (6) is provided with a connecting groove, and threaded rods (10) are symmetrically provided at both ends of the straight rod type oil level gauge mounting bracket (6), the threaded rod (10) is connected to the straight rod type oil level gauge mounting bracket (6) by threads, a fixing plate (11) is provided at one end of the threaded rod (10), and the other end of the threaded rod (10) is connected to a rotating block (12).

3. The transformer oil level gauge detection device according to claim 1, characterized in that: A servo motor (13) is provided on the linear displacement connecting rod type oil level gauge mounting bracket (7), the output shaft of the servo motor (13) is connected to a bidirectional screw rod (14), opposite threads are provided at both ends of the bidirectional screw rod (14), and clamping plates (15) are provided at both ends of the bidirectional screw rod (14).

4. The transformer oil level gauge detection device according to claim 2, characterized in that: The fixing plate (11) is provided with a protection pad (16), and the protection pad (16) is made of rubber.

5. The transformer oil level gauge detection device according to claim 1, characterized in that: The horizontal slide rail (4) is provided with a groove, a horizontal slider (3) is provided in the groove, and the horizontal slider (3) is slidably connected to the horizontal slide rail (4) via the groove.

6. The transformer oil level gauge detection device according to claim 1, characterized in that: The vertical slide rail (1) is provided with scales.

7. The transformer oil level gauge detection device according to claim 1, characterized in that: A fixed bottom plate (8) is provided on one side of the back of the vertical slide rail (1).

8. The transformer oil level gauge detection device according to claim 2, characterized in that: One end of the threaded rod (10) extends out of the vertical slide rail (1) and is connected to a hand wheel (5), and an anti-slip pad (17) is provided on the hand wheel (5).

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