Vacuum oil filter for transformer production

Abstract

The utility model relates to the technical field of transformer production, and provides a vacuum oil filter for transformer production, which comprises a heating box main body, a filtering tank assembled at the top end of the heating box main body, an oil supply tank fixedly connected to the bottom end of the filtering tank, and a sealing cover assembled at the top end of the filtering tank, a filtering assembly is assembled in the middle of the bottom end of the sealing cover and used for blocking impurities in oil, a limiting assembly is arranged at the top end of the outer side of the filtering tank and used for locking the position of the sealing cover, the filtering assembly comprises a supporting shaft rod, a carrying disc, a filtering net plate and a threaded section, and the supporting shaft rod is fixedly connected to the middle of the bottom end of the sealing cover; the outer side of the supporting shaft rod is fixedly connected with a plurality of carrying discs. By means of the technical scheme, the problem that in the prior art, due to the fact that the filter screen is cleaned in the filter box, impurities generated in cleaning still stay in the filter box, and the overall cleaning effect is poor is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of transformer production, and more specifically, to a vacuum oil filter for transformer production. Background Technique

[0002] A vacuum oil filter is a device that uses vacuum suction to make the oil pass through a filtering medium to separate impurities therein. In the field of transformer production, it is mainly used to clean and process the internal insulating oil of transformers to ensure the normal operation and service life of transformers.

[0003] After retrieval, the vacuum oil filter for transformers with the publication number CN216295319U drives a brush to move left and right reciprocally through a moving rod to clean the surface of the filter net, preventing the filtering efficiency from being affected due to the blockage of the filter net by impurities. However, in the specific application process, since the cleaning of the filter net is carried out inside the filter tank, the impurities generated during cleaning still remain in the filter tank, resulting in a poor overall cleaning effect.

[0004] Based on this, we propose a vacuum oil filter for transformer production. Content of the Utility Model

[0005] The utility model proposes a vacuum oil filter for transformer production, which solves the problem in the related technology that since the cleaning of the filter net is carried out inside the filter tank, the impurities generated during cleaning still remain in the filter tank, resulting in a poor overall cleaning effect.

[0006] The technical solution of the utility model is as follows: A vacuum oil filter for transformer production includes a heating tank main body. A filter tank is assembled at the top end of the heating tank main body. The bottom end of the filter tank is fixedly connected to an oil supply tank, and the bottom end of the oil supply tank is communicated with the top end of the heating tank main body. A sealing cover is assembled at the top end of the filter tank. A filter assembly is assembled in the middle of the bottom end of the sealing cover. The filter assembly is used to block impurities in the oil. A limiting assembly is arranged at the top end outside the filter tank. The limiting assembly is used to lock the position of the sealing cover.

[0007] Preferably, the filter assembly includes a support shaft rod, a carrier plate, a filter net plate, and a threaded section. The middle of the bottom end of the sealing cover is fixedly connected to a support shaft rod. A plurality of carrier plates are fixedly connected to the outside of the support shaft rod. Two filter net plates are arranged inside each carrier plate, and the two filter net plates are spliced together. Threaded sections are opened on the outside of the support shaft rod and above each carrier plate. A positioning column is threadedly connected to the outside of each threaded section.

[0008] Preferably, the limiting assembly includes an extension frame, a limiting shaft rod, a limiting plate, a driving spur gear, and a linkage gear ring. A plurality of extension frames are fixedly connected to the outer top of the filter tank. The middle of each extension frame is rotatably connected to a limiting shaft rod. The top of the limiting shaft rod is fixedly connected to a limiting plate. The bottom of each limiting shaft rod is fixedly connected to a driving spur gear. The outer top of the filter tank is rotatably connected to a linkage gear ring, and each driving spur gear is meshed with the linkage gear ring. One side of one of the extension frames is rotatably connected to a transmission shaft rod. One end of the transmission shaft rod is fixedly connected to a transmission worm. The bottom of one of the limiting shaft rods corresponding to the transmission worm is fixedly connected to a driven worm gear, and the driven worm gear is meshed with the transmission worm.

[0009] Preferably, a liquid stirring roller is vertically rotatably connected to the inside of the heating box body. A liquid stirring motor is fixedly connected to the top of the heating box body, and the output end of the liquid stirring motor is fixedly connected to the liquid stirring roller. A plurality of liquid stirring blades are fixedly connected to the outer side of the bottom of the liquid stirring roller.

[0010] Preferably, a positioning bracket is fixedly connected to the outer top of the heating box body, and the filter tank is fixedly connected to the top of the positioning bracket. A stabilizing rib plate is fixedly connected to the inside of the positioning bracket.

[0011] Preferably, a plurality of assembly columns are fixedly connected to the top of the filter tank. A plurality of assembly holes adapted to the assembly columns one by one are formed at the edge of the bottom of the sealing cover.

[0012] Preferably, a threaded through hole is formed in the middle of the positioning column, and the positioning column is connected to the outside of the threaded section through the threaded through hole. A contact disc is fixedly connected to the bottom of the positioning column.

[0013] Preferably, an annular mounting groove is provided at the outer top of the filter tank. The linkage gear ring is rotatably connected to the inside of the annular mounting groove. A plurality of alloy balls are provided in the inside of the annular mounting groove.

[0014] The working principle and beneficial effects of the present utility model are as follows:

[0015] 1. In the present utility model, through the structural cooperation of the sealing cover and the filtering component, the filter screen plate can be conveniently drawn out from the filter tank, so as to facilitate the cleaning of the filter screen plate, and the impurities after cleaning will not be concentrated inside the filter tank, ensuring the application effect of the filter screen plate.

[0016] 2. In the present utility model, through the structural cooperation of the limiting assembly, stable limiting of the position of the sealing cover can be formed by the contact between the limiting plate and the sealing cover, ensuring the assembly effect of the sealing cover and the filter tank, and facilitating the separation of the sealing cover from the filter tank. Description of the Drawings

[0017] The present utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0018] Figure 1 is a schematic structural diagram of the present utility model;

[0019] Figure 2 is a schematic internal structural diagram of the heating box main body of the present utility model;

[0020] Figure 3 is a schematic assembly structural diagram of the filter tank and the sealing cover of the present utility model;

[0021] Figure 4 is a schematic structural diagram of the filter assembly of the present utility model;

[0022] Figure 5 is a schematic structural diagram of the limit assembly of the present utility model.

[0023] In the figure: 1. Heating box main body; 2. Filter tank; 3. Oil supply tank; 4. Sealing cover; 5. Filter assembly; 6. Limit assembly; 7. Stirring roller; 8. Stirring motor; 9. Support shaft rod; 10. Carrier plate; 11. Filter screen plate; 12. Threaded section; 13. Positioning column; 14. Extension frame; 15. Limit shaft rod; 16. Limit plate; 17. Driving spur gear; 18. Linkage gear ring; 19. Transmission shaft rod; 20. Driving worm; 21. Driven worm gear. Specific embodiments

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with 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.

[0025] Embodiment 1

[0026] As Figures 1 to 5 shown, this embodiment proposes a vacuum oil filter for transformer production, including a heating box main body 1. A filter tank 2 is assembled at the top end of the heating box main body 1. A bottom end of the filter tank 2 is fixedly connected to an oil supply tank 3, and a bottom end of the oil supply tank 3 communicates with a top end of the heating box main body 1. A sealing cover 4 is assembled at the top end of the filter tank 2. A middle part of a bottom end of the sealing cover 4 is assembled with a filter assembly 5 for blocking impurities in the oil. A limit assembly 6 is arranged at an outer top end of the filter tank 2 for locking a position of the sealing cover 4;

[0027] Specifically, a drain pipe is fixedly connected to a bottom end of an outer side of the heating box main body 1;

[0028] Preferably, a heating component is fixedly connected to the bottom end inside the heating box main body 1. In this embodiment, the heating component can be an electric heating wire;

[0029] Specifically, a condensing component and a vacuum component are also assembled at the top end of the outer side of the heating box main body 1. The air inlet end of the condensing component is communicated with the heating box main body 1, and the input end of the vacuum component is communicated with the heating box main body 1. In this embodiment, the condensing component is a condenser, and the vacuum component is a vacuum pump;

[0030] Furthermore, solenoid valves are arranged on the outer sides of the oil discharge pipe and the oil supply tank 3;

[0031] Preferably, a liquid stirring roller 7 is vertically rotatably connected inside the heating box main body 1. A liquid stirring motor 8 is fixedly connected to the top end of the heating box main body 1, and the output end of the liquid stirring motor 8 is fixedly connected to the liquid stirring roller 7. A plurality of liquid stirring blades are fixedly connected to the outer side of the bottom end of the liquid stirring roller 7. By using the structural cooperation of the liquid stirring roller 7 and the liquid stirring motor 8, the oil liquid inside the heating box main body 1 can be stirred to make it uniformly heated;

[0032] Here, a positioning bracket is fixedly connected to the top end of the outer side of the heating box main body 1, and the filter tank 2 is fixedly connected to the top end of the positioning bracket. A stabilizing rib plate is fixedly connected to the inner side of the positioning bracket. By using the setting of the positioning bracket, the filter tank 2 can be effectively supported, ensuring the application stability of the filter tank 2;

[0033] Specifically, a plurality of assembly columns are fixedly connected to the top end of the filter tank 2. A plurality of assembly holes adapted to the assembly columns one by one are formed at the edge of the bottom end of the sealing cover 4. By using the structural cooperation of the assembly columns and the assembly holes, when the sealing cover 4 is assembled with the filter tank 2, the assembly position of the sealing cover 4 can be effectively guided, ensuring the assembly effect of the sealing cover 4 and the filter tank 2, and a sealing ring is arranged at the connection between the sealing cover 4 and the filter tank 2;

[0034] Specifically, an oil inlet pipe is fixedly connected to the top end of the outer side of the filter tank 2, and a quick installation flange is arranged at one end of the oil inlet pipe;

[0035] The filter assembly 5 includes a support shaft rod 9, a carrier plate 10, a filter net plate 11 and a threaded section 12. A support shaft rod 9 is fixedly connected to the middle of the bottom end of the sealing cover 4. A plurality of carrier plates 10 are fixedly connected to the outer side of the support shaft rod 9. Two filter net plates 11 are arranged inside each carrier plate 10, and the two filter net plates 11 are spliced with each other. Threaded sections 12 are formed on the outer side of the support shaft rod 9 and above each carrier plate 10. A positioning column 13 is threadedly connected to the outer side of each threaded section 12;

[0036] A threaded through hole is provided in the middle of the positioning column 13, and the positioning column 13 is connected to the outer side of the threaded segment 12 through the threaded through hole. A contact plate is fixedly connected to the bottom end of the positioning column 13. By setting the threaded through hole, when the positioning column 13 is rotated, the positioning column 13 can be displaced along the threaded segment 12.

[0037] Example 2

[0038] like Figures 1 to 5 As shown, based on the same concept as the above-mentioned embodiment 1, this embodiment further proposes a limit assembly 6;

[0039] In this embodiment, the limiting assembly 6 includes an extension frame 14, a limiting shaft rod 15, a limiting plate 16, a transmission spur gear 17 and a linkage gear ring 18. The top of the outer side of the filter tank 2 is fixedly connected with multiple extension frames 14, the middle part of each extension frame 14 is rotatably connected to the limiting shaft rod 15, the top of the limiting shaft rod 15 is fixedly connected to the limiting plate 16, the bottom end of each limiting shaft rod 15 is fixedly connected to the transmission spur gear 17, the top of the outer side of the filter tank 2 is rotatably connected to the linkage gear ring 18, and each transmission spur gear 17 is meshed with the linkage gear ring 18, one side of one of the extension frames 14 is rotatably connected to the transmission shaft rod 19, one end of the transmission shaft rod 19 is fixedly connected to the transmission worm 20, and the bottom end of one of the limiting shaft rods 15 corresponding to the transmission worm 20 is fixedly connected to the matching worm wheel 21, and the matching worm wheel 21 is meshed with the transmission worm 20;

[0040] Preferably, an annular carrying groove is provided at the top end of the outer side of the filter tank 2, and the linkage gear ring 18 is rotatably connected to the inside of the annular carrying groove. A plurality of alloy balls are provided inside the annular carrying groove. The provision of the alloy balls can greatly improve the smoothness of the rotation of the linkage gear ring 18 inside the annular carrying groove.

[0041] A specific application of the above two embodiments is that the oil is first introduced into the filter tank 2, and the impurities in the oil are blocked by the filter assembly 5, and the blocked oil is discharged into the heating box body 1 through the oil supply tank 3 for further processing;

[0042] Subsequently, the transmission shaft 19 is rotated to cause the transmission worm 20 to shift the matching worm gear 21, thereby driving the limit shaft 15 connected to the matching worm gear 21 to rotate, and the transmission spur gear 17 at the limit shaft 15 is rotated to shift the linkage gear ring 18, and since each transmission spur gear 17 is meshed with the linkage gear ring 18, the linkage gear ring 18 can be used to shift the remaining transmission spur gears 17, so that multiple limit shafts 15 rotate simultaneously until the limit plate 16 leaves the top of the sealing cover 4, the positioning of the sealing cover 4 is released, and then the sealing cover 4 is lifted up to pull the filter screen plate 11 out of the filter tank 2, and then the personnel can clean the impurities blocked by the filter screen plate 11;

[0043] Moreover, the rotatable positioning post 13, in cooperation with the connection between the positioning post 13 and the threaded section 12, enables the positioning post 13 to move upward along the threaded section 12, thereby releasing the positioning of the filter screen plate 11. Subsequently, the filter screen plate 11 can be removed from the carrier plate 10 for replacement, greatly improving the overall convenience.

[0044] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A vacuum oil filter for transformer production, characterized in that, It includes a heating tank body (1), a filter tank (2) is assembled at the top end of the heating tank body (1), an oil supply tank (3) is fixedly connected to the bottom end of the filter tank (2), and the bottom end of the oil supply tank (3) is communicated with the top end of the heating tank body (1). A sealing cover (4) is assembled at the top end of the filter tank (2), a filter assembly (5) is assembled in the middle of the bottom end of the sealing cover (4), and the filter assembly (5) is used to block impurities in the oil fluid. A limiting assembly (6) is arranged at the top end of the outer side of the filter tank (2), and the limiting assembly (6) is used to lock the position of the sealing cover (4).

2. The vacuum oil filter for transformer production according to claim 1, characterized in that, The filter assembly (5) includes a support shaft rod (9), a mounting plate (10), a filter screen plate (11) and a threaded section (12). A support shaft rod (9) is fixedly connected to the middle of the bottom end of the sealing cover (4), a plurality of mounting plates (10) are fixedly connected to the outer side of the support shaft rod (9), two filter screen plates (11) are arranged inside each mounting plate (10), and the two filter screen plates (11) are joined together. Threaded sections (12) are formed on the outer side of the support shaft rod (9) and above each mounting plate (10), and a positioning post (13) is threadedly connected to the outer side of each threaded section (12).

3. A vacuum oil filter for transformer production according to claim 1, characterized in that, The limiting assembly (6) includes an extension bracket (14), a limiting shaft rod (15), a limiting plate (16), a driving spur gear (17) and a linkage gear ring (18). A plurality of extension brackets (14) are fixedly connected to the top end of the outer side of the filter tank (2), a limiting shaft rod (15) is rotatably connected to the middle of each extension bracket (14), a limiting plate (16) is fixedly connected to the top end of the limiting shaft rod (15), a driving spur gear (17) is fixedly connected to the bottom end of each limiting shaft rod (15), a linkage gear ring (18) is rotatably connected to the top end of the outer side of the filter tank (2), and each driving spur gear (17) is meshed with the linkage gear ring (18). A transmission shaft rod (19) is rotatably connected to one side of one of the extension brackets (14), a driving worm (20) is fixedly connected to one end of the transmission shaft rod (19), a driven worm gear (21) is fixedly connected to the bottom end of one of the limiting shaft rods (15) corresponding to the driving worm (20), and the driven worm gear (21) is meshed with the driving worm (20).

4. A vacuum oil filter for transformer production according to claim 1, characterized in that, A liquid stirring roller (7) is vertically rotatably connected inside the heating tank body (1), a liquid stirring motor (8) is fixedly connected to the top end of the heating tank body (1), and the output end of the liquid stirring motor (8) is fixedly connected to the liquid stirring roller (7). A plurality of liquid stirring blades are fixedly connected to the outer side of the bottom end of the liquid stirring roller (7).

5. The vacuum oil filter for transformer production according to claim 1, wherein, A positioning bracket is fixedly connected to the top end of the outer side of the heating tank body (1), the filter tank (2) is fixedly connected to the top end of the positioning bracket, and a stabilizing rib plate is fixedly connected to the inside of the positioning bracket.

6. A vacuum oil filter for transformer production according to claim 1, characterized in that, A plurality of assembly columns are fixedly connected to the top end of the filter tank (2), and a plurality of assembly holes adapted to the assembly columns one by one are formed at the edge of the bottom end of the sealing cover (4).

7. A vacuum oil filter for transformer production according to claim 2, characterized in that, A threaded through hole is formed in the middle of the positioning post (13), and the positioning post (13) is connected to the outside of the threaded section (12) through the threaded through hole, and a contact disc is fixedly connected to the bottom end of the positioning post (13).

8. The vacuum oil filter for transformer production according to claim 3, wherein An annular mounting groove is provided at the top of the outer side of the filter tank (2), the linkage gear ring (18) is rotatably connected inside the annular mounting groove, and a plurality of alloy balls are arranged inside the annular mounting groove.

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