Transformer oil filtering device

Abstract

The utility model discloses a transformer oil filtering device, which relates to the technical field of transformer oil, and comprises a box body, a sealing cover fixedly connected to the top of the box body, a discharge pipe fixedly connected to one side of the box body, a liquid inlet pipe movably arranged on the other side of the box body, and a filtering mechanism and a transmission mechanism which are connected with the box body, the filter mechanism comprises a mounting disc movably arranged in the box body, a filter cylinder fixedly connected to the end face of the mounting disc and used for filtering the transformer oil, and a threaded cover in threaded connection with an opening of the filter cylinder; the transmission mechanism comprises a transmission shaft movably arranged on the outer side wall of the box body and a second driven gear fixedly connected to the outer side wall of the transmission shaft and used for driving the transmission shaft to rotate. According to the transformer oil filtering device, the first driven gear drives the reciprocating filter cartridge to rotate, and the second driven gear drives the liquid inlet pipe to reciprocate, so that the contact area between the filter cartridge and transformer oil is enlarged, and the blockage condition is reduced.

Description

Technical Field

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

[0002] Transformer oil is an insulating and cooling medium used in transformers, usually made from petroleum distillation products. During the production process of transformer oil, the raw materials contain certain impurities, which will reduce the insulation strength of the oil, which may cause the performance of the transformer to deteriorate and need to be filtered.

[0003] In the existing devices for filtering insulating oil, the position of the oil outlet is fixed and remains unchanged relative to the filter screen. Therefore, when used for a long time or filtering a large amount of oil, impurities are easily accumulated on the filter screen, causing the filter screen to be blocked, affecting the fluidity of the oil and reducing the filtering efficiency. In addition, there is a situation where the filter screen is used unevenly, which may cause the filter material below the oil outlet to be overloaded, while other areas are not fully utilized, which leads to serious wear of the overused area and shortens the overall service life of the filter screen. Utility Model Content

[0004] The main purpose of the utility model is to provide a transformer oil filtering device, which solves the problem that the position of the oil outlet is fixed and the position relative to the filter screen does not change, impurities are easily accumulated on the filter screen, thereby causing the filter screen to be blocked, and there is a situation where the filter screen is used unevenly, resulting in the problem that the filter material located below the oil outlet may be overloaded.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A transformer oil filter device comprises a box body, a sealing cover fixedly connected to the top of the box body, a discharge pipe fixedly connected to one side of the box body, and a liquid inlet pipe movably arranged on the other side of the box body, and also comprises a filtering mechanism and a transmission mechanism connected to the box body;

[0007] The filtering mechanism comprises a mounting plate movably arranged inside the box body, a filter cartridge fixedly connected to the end surface of the mounting plate for filtering transformer oil, and a threaded cover threadedly connected to the opening of the filter cartridge;

[0008] The transmission mechanism comprises a transmission shaft movably arranged on the outer side wall of the box body, and a second driven gear fixedly connected to the outer side wall of the transmission shaft for driving the transmission shaft to rotate.

[0009] Preferably, the filtering mechanism also includes a servo motor fixedly connected to the outer wall of the box body, a main gear fixedly connected to the outer wall of the servo motor output end, a movable shaft passing through the side wall of the box body and rotatably connected to the side wall, and a first driven gear fixedly connected to the outer wall of the movable shaft.

[0010] Preferably, the filtering mechanism further comprises a rectangular block fixedly connected to the end surface of the movable shaft, a rectangular hole opened on the end surface of the mounting plate, and a fixing bolt threadedly connected to the outer side wall of the mounting plate.

[0011] Preferably, the filtering mechanism further comprises a sealing valve fixedly mounted on the inner wall of the discharge pipe, a rubber sleeve fixedly connected to the bottom of the sealing cover, a rectangular frame fixedly connected to the inner wall of the box body, and a sealing ring fixedly mounted on the top of the rectangular frame.

[0012] Preferably, the filtering mechanism also includes a storage groove opened in the inner wall of the box body, an electric push rod fixedly connected to the inner wall of the storage groove, a locking block fixedly connected to the end face of the electric push rod, and a locking groove opened in the outer wall of the rubber sleeve.

[0013] Preferably, the transmission mechanism also includes a screw rod fixedly connected to the end face of the transmission shaft, a movable seat movably arranged on the outer side wall of the screw rod, a connecting rod fixedly connected to the top of the movable seat, and a connecting block fixedly connected to the end face of the connecting rod.

[0014] Preferably, the transmission mechanism further comprises a guide block fixedly connected to the outer side wall of the movable seat, a mounting hole provided at the top of the guide block, a pulley rotatably connected to the inner side wall of the mounting hole, and a slideway provided at the outer side wall of the box body.

[0015] Preferably, the transmission mechanism further comprises a positioning ring fixedly connected to the outer side wall of the liquid inlet pipe, a positioning block fixedly connected to the top of the positioning ring, and a positioning groove provided on the outer side wall of the connection block.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1. In the utility model, the filter cartridge is placed inside the box body, and the mounting plate is sleeved on the outer surface of the rectangular block through the rectangular hole, and then the fixing bolt is rotated to extend to the inside of the rectangular hole and one end is connected to the threaded groove, thereby fixing the mounting plate to the outer surface of the rectangular block, and then the sealing cover is inserted into the inside of the box body until the sealing cover cannot be pushed, and then the electric push rod is started to drive the locking block to move until one end of the locking block is inserted into the locking groove, thereby fixing the sealing cover, and at this time the rubber sleeve and the rectangular frame will jointly squeeze the sealing ring, so as to improve the sealing between the sealing cover and the box body.

[0018] 2. In the utility model, the tank for storing transformer oil outside is connected to the liquid inlet pipe through a hose, and then the transformer oil is transported to the inside of the box through the liquid inlet pipe. In this process, the servo motor is started, so that the first driven gear and the second driven gear are driven to rotate through the main gear, so that the filter cartridge is driven to rotate through the first driven gear, and the second driven gear drives the liquid inlet pipe to move, so as to expand the contact area between the filter cartridge and the transformer oil, reduce the blockage, increase the utilization area of ​​the filter cartridge, and increase the service life of the filter cartridge. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the top view structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the front structure of the utility model;

[0022] Figure 4 This is a schematic diagram of the internal structure of the utility model;

[0023] Figure 5 For this utility model Figure 4 A schematic diagram of the enlarged structure in the middle;

[0024] Figure 6 This is a schematic diagram of the connection structure between the pulley and the guide block of the utility model;

[0025] Figure 7 For this utility model Figure 6 A magnified schematic diagram of structure B in the middle.

[0026] In the figure: 1. box body; 2. sealing cover; 3. discharge pipe; 4. liquid inlet pipe; 501. servo motor; 502. main gear; 503. movable shaft; 504. first driven gear; 505. rectangular block; 506. fixing bolt; 507. mounting plate; 508. filter cartridge; 509. threaded cover; 5010. sealing valve; 5011. rubber sleeve; 5012. rectangular frame; 5013. sealing ring; 5014. electric push rod; 5015. locking block; 601. transmission shaft; 602. second driven gear; 603. screw rod; 604. movable seat; 605. guide block; 606. pulley; 607. slideway; 608. connecting rod; 609. connecting block; 6010. positioning ring; 6011. positioning block. DETAILED DESCRIPTION

[0027] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0028] Embodiment 1: Figure 1-7 As shown, a transformer oil filtering device comprises a box body 1, a sealing cover 2 fixedly connected to the top of the box body 1, a discharge pipe 3 fixedly connected to one side of the box body 1, and a liquid inlet pipe 4 movably arranged on the other side of the box body 1, and also comprises a filtering mechanism and a transmission mechanism connected to the box body 1;

[0029] The filtering mechanism includes a mounting plate 507 movably disposed inside the housing 1, a filter cartridge 508 fixedly connected to the end surface of the mounting plate 507 for filtering transformer oil, and a threaded cover 509 threadedly connected to the opening of the filter cartridge 508;

[0030] The transmission mechanism includes a transmission shaft 601 movably arranged on the outer wall of the box body 1 , and a second driven gear 602 fixedly connected to the outer wall of the transmission shaft 601 for driving the transmission shaft 601 to rotate.

[0031] The filtering mechanism also includes a servo motor 501 fixedly connected to the outer wall of the box body 1, a main gear 502 fixedly connected to the outer wall of the output end of the servo motor 501, a movable shaft 503 penetrating the side wall of the box body 1 and rotatably connected to the side wall, and a first driven gear 504 fixedly connected to the outer wall of the movable shaft 503, wherein the main gear 502 is meshed with the first driven gear 504, and by starting the servo motor 501, the rectangular block 505 is driven to rotate with the cooperation of the main gear 502 and the first driven gear 504.

[0032] The filtering mechanism also includes a rectangular block 505 fixedly connected to the end face of the movable shaft 503, a rectangular hole opened on the end face of the mounting plate 507, and a fixing bolt 506 threadedly connected to the outer wall of the mounting plate 507, wherein the longitudinal section of the rectangular block 505 matches the longitudinal section of the rectangular hole, and the outer wall of the rectangular block 505 is provided with a threaded groove. First, the mounting plate 507 is sleeved on the outer surface of the rectangular block 505 through the rectangular hole, and then the fixing bolt 506 is rotated to extend to the inside of the rectangular hole, and one end is connected to the threaded groove, so that the mounting plate 507 is fixed to the outer surface of the rectangular block 505, thereby driving the mounting plate 507 and the filter cartridge 508 to rotate during the rotation of the rectangular block 505.

[0033] The filtering mechanism also includes a sealing valve 5010 fixedly installed on the inner wall of the discharge pipe 3, a rubber sleeve 5011 fixedly connected to the bottom of the sealing cover 2, a rectangular frame 5012 fixedly connected to the inner wall of the box body 1, and a sealing ring 5013 fixedly installed on the top of the rectangular frame 5012, wherein the outer diameter of the rubber sleeve 5011 matches the inner diameter of the box body 1, and the sealing valve 5010 is an electrically controlled valve.

[0034] The filtering mechanism also includes a storage groove provided on the inner wall of the box body 1, an electric push rod 5014 fixedly connected to the inner wall of the storage groove, a locking block 5015 fixedly connected to the end face of the electric push rod 5014, and a locking groove provided on the outer wall of the rubber sleeve 5011. The locking block 5015 is driven by the electric push rod 5014 to move until one end of the locking block 5015 is inserted into the locking groove, thereby fixing the sealing cover 2. At this time, the rubber sleeve 5011 and the rectangular frame 5012 will jointly squeeze the sealing ring 5013 to improve the sealing between the sealing cover 2 and the box body 1.

[0035] By placing the filter cartridge 508 inside the housing 1, and sleeve the mounting plate 507 on the outer surface of the rectangular block 505 through the rectangular hole, and then rotating the fixing bolt 506 to extend it to the inside of the rectangular hole and connect one end to the threaded groove, the mounting plate 507 is fixed to the outer surface of the rectangular block 505, and then the sealing cover 2 is inserted into the interior of the housing 1 until the sealing cover 2 cannot be pushed, and then the electric push rod 5014 is started to drive the locking block 5015 to move until one end of the locking block 5015 is inserted into the locking groove, thereby fixing the sealing cover 2, and at this time the rubber sleeve 5011 and the rectangular frame 5012 will jointly squeeze the sealing ring 5013, so as to improve the sealing between the sealing cover 2 and the housing 1.

[0036] Embodiment 2: Figure 1-7 As shown, a transformer oil filtering device comprises a box body 1, a sealing cover 2 fixedly connected to the top of the box body 1, a discharge pipe 3 fixedly connected to one side of the box body 1, and a liquid inlet pipe 4 movably arranged on the other side of the box body 1, and also comprises a filtering mechanism and a transmission mechanism connected to the box body 1;

[0037] The filtering mechanism includes a mounting plate 507 movably disposed inside the housing 1, a filter cartridge 508 fixedly connected to the end surface of the mounting plate 507 for filtering transformer oil, and a threaded cover 509 threadedly connected to the opening of the filter cartridge 508;

[0038] The transmission mechanism includes a transmission shaft 601 movably arranged on the outer wall of the box body 1 , and a second driven gear 602 fixedly connected to the outer wall of the transmission shaft 601 for driving the transmission shaft 601 to rotate.

[0039] The transmission mechanism also includes a screw rod 603 fixedly connected to the end face of the transmission shaft 601, a movable seat 604 movably arranged on the outer side wall of the screw rod 603, a connecting rod 608 fixedly connected to the top of the movable seat 604, and a connecting block 609 fixedly connected to the end face of the connecting rod 608, wherein the main gear 502 is meshed with the second driven gear 602, and the main gear 502 is driven to rotate by the servo motor 501, thereby driving the second driven gear 602 meshed therewith to rotate, and then driving the screw rod 603 to rotate, thereby driving the movable seat 604 to make a linear motion.

[0040] The transmission mechanism also includes a guide block 605 fixedly connected to the outer wall of the movable seat 604, a mounting hole opened at the top of the guide block 605, a pulley 606 rotatably connected to the inner wall of the mounting hole, and a slide 607 opened on the outer wall of the box body 1, wherein the outer wall of the pulley 606 will protrude from the mounting hole and fit with the inner wall of the slide 607. When the movable seat 604 is moving, it will drive the guide block 605 to slide inside the slide 607, so that the pulley 606 rolls on the inner wall of the slide 607, thereby improving the stability of the movement of the movable seat 604, reducing mechanical wear in the process, and increasing the service life of the device.

[0041] The transmission mechanism also includes a positioning ring 6010 fixedly connected to the outer wall of the liquid inlet pipe 4, a positioning block 6011 fixedly connected to the top of the positioning ring 6010, and a positioning groove opened on the outer wall of the connecting block 609, wherein a through hole is opened on the top of the connecting block 609, and the positioning groove is connected to the through hole, wherein the inner diameter of the through hole is equal to the outer diameter of the liquid inlet pipe 4.

[0042] When the filter cartridge 508 is installed, the liquid inlet pipe 4 passes through the through hole of the connecting block 609, and the positioning block 6011 slides inside the positioning groove until the positioning ring 6010 abuts against the connecting block 609. At this time, the liquid inlet pipe 4 will face the side wall opening of the box body 1, and then the servo motor 501 is started to drive the main gear 502 to rotate, thereby driving the second driven gear 602 meshing with it to rotate, and then driving the screw rod 603 to rotate, thereby driving the movable seat 604 to make a linear motion, thereby inserting the liquid inlet pipe 4 into the box body 1 through the connecting rod 608 and the connecting block 609, and extending to the inside of the filter cartridge 508, wherein the servo motor 501 can be controlled to rotate forward and reverse to make the liquid inlet pipe 4 do reciprocating linear motion inside the filter cartridge 508;

[0043] When the installation is completed, the tank storing transformer oil outside is connected to the liquid inlet pipe 4 through a hose, and then the transformer oil is transported to the inside of the box body 1 through the liquid inlet pipe 4. In this process, the servo motor 501 is started, so that the first driven gear 504 and the second driven gear 602 are driven to rotate through the main gear 502, so that the filter cartridge 508 is driven to rotate through the first driven gear 504, and the second driven gear 602 drives the liquid inlet pipe 4 to move, so as to expand the contact area between the filter cartridge 508 and the transformer oil, reduce the possibility of blockage, increase the utilization area of ​​the filter cartridge 508, and increase the service life of the filter cartridge 508.

Claims

1. A transformer oil filtering device, comprising a housing (1), a sealing cover (2) fixedly connected to the top of the housing (1), a discharge pipe (3) fixedly connected to one side of the housing (1), and a liquid inlet pipe (4) movably arranged on the other side of the housing (1), characterized in that: It also includes a filtering mechanism and a transmission mechanism connected to the box body (1); The filtering mechanism comprises a mounting plate (507) movably arranged inside the housing (1), a filter cartridge (508) fixedly connected to the end surface of the mounting plate (507) for filtering transformer oil, and a threaded cover (509) threadedly connected to the opening of the filter cartridge (508); The transmission mechanism comprises a transmission shaft (601) movably arranged on the outer wall of the box body (1), and a second driven gear (602) fixedly connected to the outer wall of the transmission shaft (601) for driving the transmission shaft (601) to rotate.

2. A transformer oil filter device according to claim 1, characterized in that: The filtering mechanism further comprises a servo motor (501) fixedly connected to the outer wall of the box body (1), a main gear (502) fixedly connected to the outer wall of the output end of the servo motor (501), a movable shaft (503) penetrating the side wall of the box body (1) and rotatably connected to the side wall, and a first driven gear (504) fixedly connected to the outer wall of the movable shaft (503).

3. A transformer oil filter device according to claim 2, characterized in that: The filtering mechanism further comprises a rectangular block (505) fixedly connected to the end face of the movable shaft (503), a rectangular hole opened on the end face of the mounting plate (507), and a fixing bolt (506) threadedly connected to the outer wall of the mounting plate (507).

4. A transformer oil filter device according to claim 3, characterized in that: The filtering mechanism also includes a sealing valve (5010) fixedly mounted on the inner wall of the discharge pipe (3), a rubber sleeve (5011) fixedly connected to the bottom of the sealing cover (2), a rectangular frame (5012) fixedly connected to the inner wall of the box body (1), and a sealing ring (5013) fixedly mounted on the top of the rectangular frame (5012).

5. A transformer oil filter device according to claim 4, characterized in that: The filtering mechanism further comprises a storage groove provided on the inner side wall of the box body (1), an electric push rod (5014) fixedly connected to the inner side wall of the storage groove, a locking block (5015) fixedly connected to the end face of the electric push rod (5014), and a locking groove provided on the outer side wall of the rubber sleeve (5011).

6. A transformer oil filter device according to claim 5, characterized in that: The transmission mechanism also includes a screw rod (603) fixedly connected to the end face of the transmission shaft (601), a movable seat (604) movably arranged on the outer side wall of the screw rod (603), a connecting rod (608) fixedly connected to the top of the movable seat (604), and a connecting block (609) fixedly connected to the end face of the connecting rod (608).

7. A transformer oil filter device according to claim 6, characterized in that: The transmission mechanism also includes a guide block (605) fixedly connected to the outer wall of the movable seat (604), a mounting hole provided at the top of the guide block (605), a pulley (606) rotatably connected to the inner wall of the mounting hole, and a slideway (607) provided on the outer wall of the box body (1).

8. A transformer oil filter device according to claim 7, characterized in that: The transmission mechanism further comprises a positioning ring (6010) fixedly connected to the outer wall of the liquid inlet pipe (4), a positioning block (6011) fixedly connected to the top of the positioning ring (6010), and a positioning groove provided on the outer wall of the connecting block (609).

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