Chromatographic oil extraction device for transformer oil

Abstract

The utility model discloses a transformer oil chromatography oil extraction device, which relates to the technical field of transformers, and comprises a protection box body, a placing structure is arranged in the protection box body, a box cover is arranged at the top of the protection box body through a hinge, and a connecting assembly is arranged between the box cover and the protection box body. T-shaped storage cavities are formed in the four sides of the interior of the protection box body, net plates are arranged in the T-shaped storage cavities, and drying bags are arranged on one sides of the net plates. According to the device, a first rotating handle is rotated, a first worm is meshed with a first worm wheel, the first worm wheel drives a rotating disc to rotate through a rotating rod, and the rotating disc can pull four cross blocks to move through four movable plates; the four cross blocks slide in the four cross grooves correspondingly, the four cross grooves drive the four connecting rods to move in the opposite directions, the four connecting rods drive the four net plates to move out of the four T-shaped containing cavities correspondingly, and therefore the positions of the four net plates can be adjusted at the same time, and a worker can replace the four drying bags conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of transformers, in particular to a transformer oil chromatographic oil sampling device. Background Art

[0002] Transformer oil is a mineral oil obtained by distillation and refining from natural petroleum. It is a mixture of liquid natural hydrocarbons that is a lubricating oil fraction in petroleum and has been purified by acid-base refining to obtain a pure, stable, low-viscosity, good-insulating, and good-cooling property.

[0003] A novel transformer oil chromatographic oil sampling device with the publication number of CN213398357U includes a memory sponge sheet, a horizontal mesh plate, a vertical mesh plate, a drying packet, a wing screw, a lifting belt, and a high-density sponge sheet. The memory sponge sheet is pasted on the lower side of the inner wall of the protection box body. The vertical mesh plates are symmetrically clamped on the left and right sides of the inner wall of the protection box body. The drying packet is attached to the right end face of the vertical mesh plate. The horizontal mesh plates are symmetrically clamped on the front and back sides of the inner wall of the protection box body. The high-density sponge sheet is pasted on the lower end face of the box cover. The lifting belt is installed on the upper end face of the box cover. The wing screw is installed on the front side inside the box cover.

[0004] In the above solution, although there are many benefits, there are also the following drawbacks: when multiple drying packets need to be replaced, the operator needs to disassemble the two horizontal mesh plates and the two vertical mesh plates separately, and the operation process may be relatively complicated. In addition, the box cover is flipped and closed by two wing screws. The setting of the two wing screws may require the operator to operate separately or with both hands at the same time, which is relatively inconvenient. Therefore, the design of a transformer oil chromatographic oil sampling device is improved. Content of the Utility Model

[0005] The purpose of the utility model is to provide a transformer oil chromatographic oil sampling device to solve the problems in the prior art that when multiple drying packets need to be replaced, the operator needs to disassemble the two horizontal mesh plates and the two vertical mesh plates separately, and the operation process may be relatively complicated. In addition, the box cover is flipped and closed by two wing screws. The setting of the two wing screws may require the operator to operate separately or with both hands at the same time, which is relatively inconvenient.

[0006] To achieve the above object, the present utility model provides the following technical solutions: A transformer oil chromatographic oil sampling device, including a protective box body, a placing structure is provided inside the protective box body, a box cover is installed on the top of the protective box body through a hinge, a connection component is provided between the box cover and the protective box body, T-shaped storage cavities are opened on the four sides inside the protective box body, a net plate is provided inside the T-shaped storage cavity, a drying packet is arranged on one side of the net plate, the drying packet is arranged inside the T-shaped storage cavity, a connecting rod is fixedly connected to the other side of the net plate, four cross grooves are opened at the bottom end inside the protective box body, an installation cavity is formed on the inner side of the protective box body, all the four cross grooves communicate with the installation cavity, a cross block is fixedly connected to the bottom of the connecting rod, the cross block is arranged inside the cross groove and is slidably connected to the protective box body, a rotating rod is provided inside the installation cavity, the rotating rod is rotatably connected to the protective box body, a turntable is fixedly connected to the outside of the rotating rod, four movable plates are rotatably connected to the top of the turntable, one end of the movable plate is rotatably connected to the bottom end of the cross block, a first worm gear is fixedly connected to the outside of the rotating rod, a first worm is meshed and connected to the outside of the first worm gear, one end of the first worm passes through the inner side of the installation cavity and extends to the outside of the protective box body, the first worm is rotatably connected to the protective box body, and a first turning handle is installed at one end of the first worm.

[0007] Preferably, the placing structure includes two memory foam sheets, both of the two memory foam sheets are installed at the bottom end inside the protective box body, a plurality of limiting grooves are opened on the top of both of the two memory foam sheets, an oil sampling glass bottle is arranged inside the limiting groove, and a sealing rubber plug is installed at the top end of the oil sampling glass bottle.

[0008] Preferably, a high-density sponge sheet is installed at the bottom of the box cover, the high-density sponge sheet is in contact with a plurality of sealing rubber plugs, and a carrying handle is installed on the top of the box cover.

[0009] Preferably, the connection component includes a U-shaped box, the U-shaped box is fixedly connected to the top of the box cover, a transmission rod is provided inside the U-shaped box, both ends of the outside of the transmission rod are rotatably connected to a support block, both of the two support blocks are fixedly connected to the U-shaped box, first bevel gears are fixedly connected to both ends of the transmission rod, a second worm gear is fixedly connected to the middle position of the transmission rod, a second worm is meshed and connected to the outside of the second worm gear, the top end of the second worm passes through the inner top end of the U-shaped box and is rotatably connected to the U-shaped box, a second turning handle is installed at the top end of the second worm, and the setting of the support block plays a role of rotation support for the transmission rod.

[0010] Preferably, the connecting component further includes two second bevel gears which are respectively meshed and connected to the outer sides of the two first bevel gears. A rotating column is fixedly connected to the inner side of each of the two second bevel gears. The tops of the two rotating columns are rotatably connected to the U-shaped box. A square groove is formed in the inner side of each of the two rotating columns. A square rod is arranged in each of the two square grooves. The two square rods are respectively slidably connected to the two rotating columns. Bolts are fixedly connected to the bottoms of the two square rods. The arrangement of the rotating columns plays a role in limiting the bolts. When the bolts move upward, the top surfaces of the bolts contact the bottom ends of the rotating columns so as to know that the bottom end surfaces of the bolts are flush with the bottom of the lid.

[0011] Preferably, the bottoms of the two bolts penetrate through the lid and are threadedly connected to the lid. The bottoms of the two bolts are flush with the bottom of the lid. Thread grooves are formed in both sides of the top of the protective box body. The two bolts respectively correspond to the two thread grooves. The bolts are adapted to the thread grooves.

[0012] Preferably, grip rods are installed on both sides of the protective box body, and a rubber anti-slip pad is installed at the bottom of the protective box body.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] 1. In this application, by rotating the first handle, the first worm is meshed with the first worm gear. The first worm gear drives the turntable to rotate through the rotating rod. The turntable can drive the four cross-shaped blocks to move by the four movable plates. The four cross-shaped blocks slide in the four cross-shaped grooves respectively. The four cross-shaped grooves drive the four connecting rods to move in the relative direction. The four connecting rods respectively drive the four net plates to move out of the four T-shaped storage cavities. Therefore, the positions of the four net plates are adjusted simultaneously, so as to facilitate the replacement of the four drying packets by the personnel.

[0015] 2. In this application, the two first bevel gears are respectively meshed with the two second bevel gears. The two rotating columns respectively drive the two bolts to rotate through the two square rods. Since the threads on the two bolts are arranged in opposite directions and the two bolts are both threadedly connected to the lid, the two bolts rotate and move downward. At this time, the square rods slide downward in the square grooves, and the two bolts are simultaneously screwed into the two thread grooves to realize the connection between the lid and the protective box body. This structure is convenient for personnel to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic diagram of the overall structure of an oil chromatographic oil sampling device for a transformer of the present utility model;

[0017] Figure 2 is a schematic diagram of the internal structure of the protective box body of an oil chromatographic oil sampling device for a transformer of the present utility model;

[0018] Figure 3Cross-sectional view of the protective box body of an oil chromatographic oil sampling device of the present utility model;

[0019] Figure 4 An oil chromatographic oil sampling device of the present utility model Figure 3 Enlarged view of the structure of part A;

[0020] Figure 5 Cross-sectional view of the U-shaped box of an oil chromatographic oil sampling device of the present utility model;

[0021] Figure 6 Schematic diagram of the rotating column structure of an oil chromatographic oil sampling device of the present utility model.

[0022] Reference numerals in the figure: 1, protective box body; 100, grip rod; 2, box cover; 200, carrying handle; 3, rubber anti-slip pad; 4, high-density sponge sheet; 5, memory sponge sheet; 6, limiting groove; 7, oil sampling glass bottle; 8, T-shaped storage cavity; 9, mesh plate; 10, drying packet; 11, installation cavity; 12, connecting rod; 13, cross slot; 14, cross block; 15, rotating rod; 16, turntable; 17, first worm gear; 18, first worm; 19, movable plate; 20, U-shaped box; 21, threaded groove; 22, transmission rod; 23, second worm gear; 24, second worm; 25, first bevel gear; 26, second bevel gear; 27, rotating column; 28, bolt; 29, square rod. Specific embodiments

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] Embodiment: As Figure 1 - Figure 6As shown in the figure, the utility model provides a technical solution for a transformer oil chromatographic oil sampling device, including a protective box body 1. Grips 100 are installed on both sides of the protective box body 1. A rubber anti-slip pad 3 is installed at the bottom of the protective box body 1. A placing structure is provided inside the protective box body 1. A box cover 2 is installed on the top of the protective box body 1 through a hinge. A connecting component is provided between the box cover 2 and the protective box body 1. T-shaped storage cavities 8 are opened on the four sides inside the protective box body 1. A net plate 9 is provided inside the T-shaped storage cavity 8. A drying packet 10 is arranged on one side of the net plate 9. The drying packet 10 is arranged inside the T-shaped storage cavity 8. A connecting rod 12 is fixedly connected to the other side of the net plate 9. Four cross slots 13 are opened at the bottom end inside the protective box body 1. An installation cavity 11 is formed inside the inner side of the protective box body 1. The four cross slots 13 communicate with the installation cavity 11. A cross block 14 is fixedly connected to the bottom of the connecting rod 12. The cross block 14 is arranged inside the cross slot 13 and is slidably connected to the protective box body 1. A rotating rod 15 is provided inside the installation cavity 11. The rotating rod 15 is rotatably connected to the protective box body 1. A turntable 16 is fixedly connected to the outer side of the rotating rod 15. Four movable plates 19 are rotatably connected to the top of the turntable 16. One end of the movable plate 19 is rotatably connected to the bottom end of the cross block 14. A first worm gear 17 is fixedly connected to the outer side of the rotating rod 15. A first worm 18 is meshed and connected to the outer side of the first worm gear 17. One end of the first worm 18 passes through the inner side of the installation cavity 11 and extends to the outside of the protective box body 1. The first worm 18 is rotatably connected to the protective box body 1. A turning handle one is installed at one end of the first worm 18.

[0025] Specifically, by rotating the turning handle one, the first worm 18 meshes with the first worm gear 17. The first worm gear 17 drives the turntable 16 to rotate through the rotating rod 15. The turntable 16 can pull the four cross blocks 14 to move through the four movable plates 19. The four cross blocks 14 slide inside the four cross slots 13 respectively. The four cross slots 13 drive the four connecting rods 12 to move in the relative direction. The four connecting rods 12 drive the four net plates 9 to move out of the four T-shaped storage cavities 8 respectively. Therefore, the positions of the four net plates 9 are adjusted simultaneously, so as to facilitate the replacement of the four drying packets 10 by personnel.

[0026] Regarding the technology of the drying packet 10, the technology in a new type of transformer oil chromatographic oil sampling device with the publication number of CN213398357U is adopted.

[0027] Embodiment: As Figure 2 、 Figure 3 and Figure 5 shown, the placing structure includes two memory foam sheets 5. The two memory foam sheets 5 are both installed at the bottom end inside the protective box body 1. A plurality of limiting slots 6 are opened on the tops of the two memory foam sheets 5. An oil sampling glass bottle 7 is arranged inside the limiting slots 6. A sealing rubber plug is installed at the top end of the oil sampling glass bottle 7. A high-density sponge sheet 4 is installed at the bottom of the box cover 2. The high-density sponge sheet 4 is in contact with a plurality of sealing rubber plugs. A carrying handle 200 is installed on the top of the box cover 2.

[0028] Specifically, place the oil-extracting glass bottle 7 inside the limit groove 6, and then cover the box cover 2. The high-density sponge sheet 4 on the box cover 2 contacts the sealing rubber plug to fix the oil-extracting glass bottle 7.

[0029] Example: As Figure 1 , Figure 2 , Figure 5 and Figure 6 shown, the connecting component includes a U-shaped box 20. The U-shaped box 20 is fixedly connected to the top of the box cover 2. A transmission rod 22 is arranged inside the U-shaped box 20. Both ends of the outer side of the transmission rod 22 are rotatably connected to support blocks, and both support blocks are fixedly connected to the U-shaped box 20. Both ends of the transmission rod 22 are fixedly connected with first bevel gears 25. A second worm gear 23 is fixedly connected to the middle position of the transmission rod 22. A second worm 24 is meshed and connected to the outer side of the second worm gear 23. The top end of the second worm 24 passes through the inner top end of the U-shaped box 20 and is rotatably connected to the U-shaped box 20. A second turning handle is installed at the top end of the second worm 24. The connecting component further includes two second bevel gears 26. The two second bevel gears 26 are respectively meshed and connected to the outer sides of the two first bevel gears 25. Both inner sides of the two second bevel gears 26 are fixedly connected with rotating columns 27. The top ends of the two rotating columns 27 are both rotatably connected to the U-shaped box 20. Square grooves are formed in both inner sides of the two rotating columns 27. Square rods 29 are arranged inside the two square grooves. The two square rods 29 are respectively slidably connected to the two rotating columns 27. The bottom ends of the two square rods 29 are both fixedly connected with bolts 28. The bottom ends of the two bolts 28 penetrate through the box cover 2 and are threadedly connected to the box cover 2. The bottom ends of the two bolts 28 are flush with the bottom of the box cover 2. Thread grooves 21 are formed on both sides of the top of the protection box body 1. The two bolts 28 respectively correspond to the two thread grooves 21, and the bolts 28 are adapted to the thread grooves 21.

[0030] Specifically, rotate the second turning handle. The second worm 24 meshes with the second worm gear 23. The second worm gear 23 drives the two first bevel gears 25 to rotate through the transmission rod 22. The two first bevel gears 25 are respectively meshed with the two second bevel gears 26. The two rotating columns 27 respectively drive the two bolts 28 to rotate through the two square rods 29. Since the threads on the two bolts 28 are arranged in opposite directions and the two bolts 28 are both threadedly connected to the box cover 2, the two bolts 28 rotate and move downward. At this time, the square rods 29 slide downward in the square grooves, and the two bolts 28 are simultaneously screwed into the two thread grooves 21 to realize the connection between the box cover 2 and the protection box body 1. This structure is convenient for personnel to operate.

[0031] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-described exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

Claims

1. A transformer oil chromatography oil extraction device, characterized in that: The invention comprises a protective box body (1), wherein a placement structure is provided inside the protective box body (1), a box cover (2) is installed on the top of the protective box body (1) via a hinge, a connecting assembly is provided between the box cover (2) and the protective box body (1), four sides of the protective box body (1) are provided with a T-shaped storage cavity (8), a mesh plate (9) is provided inside the T-shaped storage cavity (8), a drying bag (10) is provided on one side of the mesh plate (9), the drying bag (10) is arranged inside the T-shaped storage cavity (8), a connecting rod (12) is fixedly connected to the other side of the mesh plate (9), four cross grooves (13) are provided at the bottom end of the protective box body (1), an installation cavity (11) is formed on the inner side of the protective box body (1), the four cross grooves (13) are all in communication with the installation cavity (11), and a cross block (12) is fixedly connected to the bottom of the connecting rod (12). 4), the cross block (14) is arranged inside the cross groove (13) and is slidably connected to the protection box body (1), a rotating rod (15) is arranged inside the installation cavity (11), the rotating rod (15) is rotatably connected to the protection box body (1), a rotating disk (16) is fixedly connected to the outside of the rotating rod (15), four movable plates (19) are rotatably connected to the top of the rotating disk (16), one end of the movable plate (19) is rotatably connected to the bottom end of the cross block (14), a first worm gear (17) is fixedly connected to the outside of the rotating rod (15), a first worm gear (18) is meshingly connected to the outside of the first worm gear (17), one end of the first worm gear (18) passes through the inside of the installation cavity (11) and extends to the outside of the protection box body (1), the first worm gear (18) is rotatably connected to the protection box body (1), and a turning handle (1) is installed at one end of the first worm gear (18).

2. A transformer oil chromatography oil extraction device according to claim 1, characterized in that: The placement structure comprises two memory sponge sheets (5), the two memory sponge sheets (5) are both mounted at the bottom end of the protection box body (1), the tops of the two memory sponge sheets (5) are both provided with a plurality of limit grooves (6), the limit grooves (6) are provided with oil extraction glass bottles (7), and the top of the oil extraction glass bottles (7) are provided with sealing rubber plugs.

3. A transformer oil chromatography oil extraction device according to claim 2, characterized in that: A high-density sponge sheet (4) is installed at the bottom of the box cover (2), and the high-density sponge sheet (4) is in contact with a plurality of sealing rubber plugs. A carrying handle (200) is installed at the top of the box cover (2).

4. A transformer oil chromatography oil extraction device according to claim 1, characterized in that: The connection assembly comprises a U-shaped box (20), wherein the U-shaped box (20) is fixedly connected to the top of the box cover (2), a transmission rod (22) is provided inside the U-shaped box (20), both ends of the outer side of the transmission rod (22) are rotatably connected to support blocks, and both support blocks are fixedly connected to the U-shaped box (20), both ends of the transmission rod (22) are fixedly connected to a first bevel gear (25), a second worm gear (23) is fixedly connected to the middle of the transmission rod (22), the outer side of the second worm gear (23) is meshingly connected to a second worm (24), the top end of the second worm (24) passes through the top end of the U-shaped box (20) and is rotatably connected to the U-shaped box (20), and a second turning handle is installed at the top end of the second worm (24).

5. A transformer oil chromatography oil extraction device according to claim 4, characterized in that: The connecting assembly further comprises two second bevel gears (26), the two second bevel gears (26) are respectively meshed and connected to the outsides of the two first bevel gears (25), the insides of the two second bevel gears (26) are fixedly connected with a rotating column (27), the top ends of the two rotating columns (27) are rotatably connected to the U-shaped box (20), the insides of the two rotating columns (27) are provided with a square groove, the insides of the two square grooves are provided with a square rod (29), the two square rods (29) are respectively slidably connected to the two rotating columns (27), and the bottom ends of the two square rods (29) are fixedly connected with a bolt (28).

6. A transformer oil chromatography oil extraction device according to claim 5, characterized in that: The bottom ends of the two bolts (28) pass through the box cover (2) and are threadedly connected to the box cover (2). The bottom ends of the two bolts (28) are flush with the bottom of the box cover (2). The top of the protection box body (1) is provided with thread grooves (21) on both sides. The two bolts (28) correspond to the two thread grooves (21) respectively, and the bolts (28) are adapted to the thread grooves (21).

7. The transformer oil chromatography oil extraction device according to claim 1, characterized in that: Grip rods (100) are installed on both sides of the protection box body (1), and a rubber anti-slip pad (3) is installed on the bottom of the protection box body (1).

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