An EH oil system oil motor front pipeline filtering device

Abstract

The utility model relates to filter technical field, and disclose a kind of EH oil system oil motor front pipeline filter device, the EH oil system oil motor front pipeline filter device, including processing cylinder, filter cylinder, the top end of processing cylinder is equipped with sealing cover, the inside top wall of sealing cover is fixedly installed with drive motor, the output of drive motor is fixedly installed with mounting block, the lower of mounting block is detachably installed with rotating rod, the surface of rotating rod is fixedly connected with two rows of support rods, and the one end of two rows of support rods is fixedly installed with brush plate, and the surface of two brush plates is provided with bristle, and the outside of drive motor is provided with protective housing;The bottom of processing cylinder is fixedly installed with closed cover, the device can filter EU oil when using, and the impurities after filtering are conveniently discharged, and the filter cylinder and brush plate can be quickly installed and disassembled, and it is convenient to clean or replace.

Description

Technical Field

[0001] This utility model relates to the field of filtration technology, specifically to a filtration device for the pre-hydraulic pipeline of an EH oil system. Background Technology

[0002] In devices that control turbine steam valves with EH oil, strict requirements are placed on the particle size of the EH oil. If the particle size of the EH oil entering the hydraulic actuator exceeds the standard, larger particles in the EH oil can clog the moving channel of the servo valve spool of the LV valve (a type of steam extraction regulating valve for heating units, similar in principle to the EV valve) or the EV valve hydraulic actuator. Because the clearance between the servo valve spool channels is extremely fine, this can cause the servo valve spool to jam, preventing the hydraulic actuator from opening or closing the valve normally. Therefore, it is necessary to filter the EH oil.

[0003] Existing EH oil filtration devices generally have the following problems: First, during the filtration process, impurities easily adhere to the inner wall of the filter element, clogging the filter holes and causing a decrease in filtration efficiency, requiring frequent shutdowns for cleaning; second, the installation structure of the filter element and the main body of the device is complex and inconvenient to disassemble, increasing maintenance costs and downtime; third, the impurity discharge operation is cumbersome. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a pre-pipeline filtration device for EH oil systems, which solves the following common problems of existing EH oil filtration devices: First, during the filtration process, impurities easily adhere to the inner wall of the filter element, clogging the filter holes and causing a decrease in filtration efficiency, requiring frequent shutdowns for cleaning; second, the installation structure of the filter element and the main body of the device is complex and inconvenient to disassemble, increasing maintenance costs and downtime; and third, the impurity discharge operation is cumbersome.

[0005] This utility model provides the following technical solution: an EH oil system pre-hydraulic motor pipeline filtration device, including a treatment cylinder and a filter cylinder. A sealing cover is installed at the top of the treatment cylinder. A drive motor is fixedly installed on the inner top wall of the sealing cover. An installation block is fixedly installed at the output end of the drive motor. A rotating rod is detachably installed below the installation block. Two rows of support rods are fixedly connected to the surface of the rotating rod. A brush plate is fixedly installed at one end of each of the two rows of support rods. Brush bristles are provided on the surface of both brush plates. A protective shell is provided outside the drive motor.

[0006] A sealing cap is fixedly installed at the bottom of the processing cylinder, an oil inlet pipe is connected to the sealing cap, and an oil outlet pipe is connected to the surface of the processing cylinder.

[0007] Preferred technical solution 1: Two fixing blocks are fixedly installed on the inner wall of the processing cylinder, and a set of insert plates are fixedly installed on the surface of the filter cylinder. The upper surface of the two fixing blocks is provided with slots that match the insert plates.

[0008] Preferred technical solution 2: The upper outer surface of the processing cylinder is provided with an external thread, and the inner wall of the sealing cover is provided with an internal thread that matches the external thread. The sealing cover can be threaded onto the top of the processing cylinder.

[0009] Preferred technical solution 3: The processing cylinder and the filter cylinder are of the same length, and a rubber sealing gasket is fixedly adhered to the inner top wall of the sealing cover, and the sealing gasket is interference-fitted with the processing cylinder and the filter cylinder.

[0010] Preferred technical solution four: A locking block is fixedly connected to the top of the rotating rod, and a locking groove matching the locking block is opened on the lower surface of the mounting block. Threaded holes are opened on the surfaces of both the locking block and the mounting block, and bolts are threaded inside the threaded holes on the locking block and the mounting block.

[0011] Preferred technical solution five: The lower surface of the sealing cover is provided with a discharge port that matches the filter cylinder, the lower surface of the sealing cover is provided with a threaded groove, an installation cover is installed inside the threaded groove, a sealing column is fixedly installed on the inner bottom wall of the installation cover, the sealing column is made of rubber, and the sealing column and the discharge port are interference fit.

[0012] Compared with the prior art, this utility model provides a pre-aperture pipeline filtration device for an EH oil system, which has the following beneficial effects: During use, EH oil enters the filter cylinder through the inlet pipe and is filtered by the filter cylinder. Simultaneously, a drive motor rotates the mounting block and rotating rod, which in turn rotates the support rod and brush plate. The rotation of the support rod agitates the EH oil, preventing low flow rate and thus low filtration efficiency. The brush plate and bristles clean impurities adhering to the inner wall of the filter cylinder, preventing clogging of the filter holes and affecting EH oil filtration. Some of the cleaned impurities fall onto the sealing column at the bottom of the filter cylinder due to gravity. When it is necessary to discharge the impurities, the sealing cover is rotated. Separating the filter cartridge from the treatment cylinder allows impurities to be discharged from the discharge port. When cleaning or replacing the filter cartridge, rotating the sealing cover separates it from the treatment cylinder and releases the limiting position on the filter cartridge, allowing it to be pulled out from the inside of the treatment cylinder for cleaning. When the brush plate wears out after prolonged use and needs replacement, loosening the bolts separates it from the threaded hole, allowing the rotating rod to be detached from the mounting block for disassembly and replacement. This device filters EU oil and facilitates the discharge of filtered impurities. It also allows for quick installation and disassembly of the filter cartridge and brush plate, facilitating cleaning or replacement. Attached Figure Description

[0013] Figure 1This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 This is a cross-sectional view of the internal structure of the processing cylinder of this utility model;

[0015] Figure 3 This utility model Figure 2 Exploded view of the structure;

[0016] Figure 4 This utility model Figure 3 Enlarged view of the structure of A in the middle;

[0017] Figure 5 This utility model Figure 3 Enlarged view of the structure of B in the middle.

[0018] In the diagram: 1. Processing cylinder; 2. Filter cylinder; 3. Sealing cover; 4. Drive motor; 5. Mounting block; 6. Rotating rod; 7. Support rod; 8. Brush plate; 9. Sealing cover; 10. Oil inlet pipe; 11. Oil outlet pipe; 12. Fixing block; 13. Insert plate; 14. Slot; 15. External thread; 16. Internal thread; 17. Clamping block; 18. Clamping groove; 19. Threaded hole; 20. Bolt; 21. Discharge port; 22. Threaded groove; 23. Mounting cover; 24. Sealing column. Detailed Implementation

[0019] Please see Figure 1-5 ,

[0020] Example 1: An EH oil system pre-hydraulic motor pipeline filtration device includes a treatment cylinder 1 and a filter cylinder 2. A sealing cover 3 is installed at the top of the treatment cylinder 1. A drive motor 4 is fixedly installed on the inner top wall of the sealing cover 3. An installation block 5 is fixedly installed at the output end of the drive motor 4. A rotating rod 6 is detachably installed below the installation block 5. Two rows of support rods 7 are fixedly connected to the surface of the rotating rod 6. A brush plate 8 is fixedly installed at one end of each of the two rows of support rods 7. Brush bristles are provided on the surface of both brush plates 8. A protective shell is provided outside the drive motor 4.

[0021] A sealing cover 9 is fixedly installed at the bottom of the treatment cylinder 1. An oil inlet pipe 10 is connected to the sealing cover 3, and an oil outlet pipe 11 is connected to the surface of the treatment cylinder 1.

[0022] Example 2: The difference between this example and Example 1 is that two fixing blocks 12 are fixedly installed on the inner wall of the processing cylinder 1, and a set of insert plates 13 are fixedly installed on the surface of the filter cylinder 2. The upper surfaces of the two fixing blocks 12 are provided with slots 14 that match the insert plates 13, so as to limit the filter cylinder 2 and prevent it from shaking inside the processing cylinder 1.

[0023] Example 3: The difference between this example and Example 1 is that the upper outer surface of the processing cylinder 1 is provided with an external thread 15, and the inner wall of the sealing cover 3 is provided with an internal thread 16 that matches the external thread 15. The sealing cover 3 can be threaded onto the top of the processing cylinder 1, which facilitates the installation and removal of the sealing cover 3.

[0024] Example 4: The difference between this example and Example 1 is that the processing cylinder 1 and the filter cylinder 2 have the same length, and a rubber sealing gasket is fixedly adhered to the inner top wall of the sealing cover 3. The sealing gasket is interference-fitted with the processing cylinder 1 and the filter cylinder 2. The filter cylinder 2 can be squeezed and fixed by the cooperation of the sealing cover 3 and the closing cover 9.

[0025] Example 5: The difference between this example and Example 1 is that the top of the rotating rod 6 is fixedly connected to a locking block 17, and the lower surface of the mounting block 5 is provided with a locking groove 18 that matches the locking block 17. Both the locking block 17 and the mounting block 5 are provided with threaded holes 19. Bolts 20 are installed inside the threaded holes 19 on the locking block 17 and the mounting block 5, which facilitates the quick installation and disassembly of the rotating rod 6 and the brush plate 8, and makes it easy to clean or replace them.

[0026] Example 6: The difference between this example and Example 1 is that the lower surface of the sealing cover 9 is provided with a discharge port 21 that matches the filter cylinder 2, and the lower surface of the sealing cover 9 is provided with a threaded groove 22. An installation cover 23 is installed inside the threaded groove 22, and a sealing post 24 is fixedly installed on the inner bottom wall of the installation cover 23. The sealing post 24 is made of rubber, and the sealing post 24 and the discharge port 21 are interference-fitted to facilitate the discharge of filtered impurities.

[0027] In summary, the EH oil system's pre-motor pipeline filtration device has an inlet pipe 10 extending to the interior of the filter cylinder 2. During operation, EH oil enters the filter cylinder 2 through the inlet pipe 10 and is filtered by the filter cylinder 2. Simultaneously, the drive motor 4 rotates the mounting block 5 and the rotating rod 6, which in turn rotates the support rod 7 and the brush plate 8. The rotation of the support rod 7 agitates the EH oil, preventing excessively slow flow and thus low filtration efficiency. The brush plate 8 and bristles clean impurities adhering to the inner wall of the filter cylinder 2, preventing clogging of the filter holes and ensuring proper EH oil filtration. Some of the cleaned impurities fall onto the sealing post 24 at the bottom of the filter cylinder 2 due to gravity. When impurities need to be discharged, the sealing cover 9 is rotated to align with the sealing post 24. When the processing cylinder 1 is separated, impurities can be discharged from the discharge port 21. When the filter cylinder 2 needs to be cleaned or replaced, it can be separated from the processing cylinder 1 by rotating the sealing cover 3. At the same time, the limit on the filter cylinder 2 can be released, and the filter cylinder 2 can be pulled out from the inside of the processing cylinder 1 for cleaning. When the brush plate 8 is worn and needs to be replaced after a long period of use, it can be separated from the threaded hole 19 by turning the bolt 20, so that the rotating rod 6 can be separated from the mounting block 5, and the rotating rod 6 can be disassembled and replaced. This device can filter EU oil and facilitate the discharge of filtered impurities. At the same time, the filter cylinder 2 and the brush plate 8 can be quickly installed and disassembled, making it easy to clean or replace them.

Claims

1. A pre-flow filtration device for an EH oil system, comprising a treatment cylinder (1) and a filter cylinder (2), characterized in that: The top of the processing cylinder (1) is fitted with a sealing cover (3), and a drive motor (4) is fixedly installed on the inner top wall of the sealing cover (3). A mounting block (5) is fixedly installed at the output end of the drive motor (4). A rotating rod (6) is detachably installed below the mounting block (5). Two rows of support rods (7) are fixedly connected to the surface of the rotating rod (6). A brush plate (8) is fixedly installed at one end of each of the two rows of support rods (7). Brush bristles are provided on the surface of both brush plates (8). A protective shell is provided on the outside of the drive motor (4). A sealing cover (9) is fixedly installed at the bottom of the processing cylinder (1). An oil inlet pipe (10) is connected to the sealing cover (3). An oil outlet pipe (11) is connected to the surface of the processing cylinder (1). Two fixing blocks (12) are fixedly installed on the inner wall of the processing cylinder (1). A set of insert plates (13) are fixedly installed on the surface of the filter cylinder (2). The upper surfaces of the two fixing blocks (12) are provided with slots (14) that match the insert plates (13).

2. The EH oil system pre-hydraulic actuator pipeline filter device according to claim 1, characterized in that: The upper outer surface of the processing cylinder (1) is provided with an external thread (15), and the inner wall of the sealing cover (3) is provided with an internal thread (16) that matches the external thread (15). The sealing cover (3) can be threaded onto the top of the processing cylinder (1).

3. The EH oil system pre-hydraulic actuator pipeline filter device according to claim 1, characterized in that: The processing cylinder (1) and the filter cylinder (2) are of the same length. A rubber sealing gasket is fixedly adhered to the inner top wall of the sealing cover (3). The sealing gasket is interference-fitted with the processing cylinder (1) and the filter cylinder (2).

4. The EH oil system pre-hydraulic actuator pipeline filter device according to claim 1, characterized in that: The top of the rotating rod (6) is fixedly connected to a locking block (17). The lower surface of the mounting block (5) is provided with a locking groove (18) that matches the locking block (17). The surfaces of the locking block (17) and the mounting block (5) are provided with threaded holes (19). Bolts (20) are threaded inside the threaded holes (19) on the locking block (17) and the mounting block (5).

5. The EH oil system pre-hydraulic actuator pipeline filter device according to claim 1, characterized in that: The lower surface of the sealing cover (9) is provided with a discharge port (21) that matches the filter cylinder (2). The lower surface of the sealing cover (9) is provided with a threaded groove (22). An installation cover (23) is installed inside the threaded groove (22). A sealing column (24) is fixedly installed on the inner bottom wall of the installation cover (23). The sealing column (24) is made of rubber and is interference-fitted with the discharge port (21).

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