Hydraulic oil filtering device

Abstract

The hydraulic oil filtering device comprises a filtering box, a filtering net cylinder, a filtering net plate and a cleaning assembly, the filtering net cylinder is installed in the middle of the inner top wall of the filtering box through a support, the filtering net plate is arranged in the filtering box and located below the filtering net cylinder, and the cleaning assembly is arranged on the filtering box. The cleaning assembly cleans the filter screen cylinder and the filter screen plate and comprises a forward and reverse rotation motor, a stirring shaft and stirring blades, a motor supporting frame is arranged in the middle of the upper top wall of the filter box, the forward and reverse rotation motor is arranged on the motor supporting frame, and the stirring shaft is rotationally arranged in the middle of the inner top wall of the filter box; the upper end of the stirring shaft is connected with an output shaft of the positive and negative rotation motor, the stirring blades are arranged on the stirring shaft, and a scraping frame is arranged at the lower end of the stirring shaft. The utility model relates to the technical field of hydraulic oil treatment, in particular to a hydraulic oil filtering device which is good in filtering effect and convenient for cleaning a filtering plate.

Description

Technical Field

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

[0002] Hydraulic oil is the hydraulic medium used in hydraulic systems that utilize liquid pressure energy. It plays the roles of energy transmission, anti-wear, system lubrication, corrosion prevention, rust prevention, and cooling in hydraulic systems.

[0003] After the hydraulic oil has been used for a period of time, impurities are likely to appear in the hydraulic oil, so the hydraulic oil needs to be filtered. Existing hydraulic oil filtering equipment generally filters through a filter plate, which is not convenient for cleaning the filter plate. When used for a long time, it is easy to cause the filter plate to be blocked, and the filtering efficiency becomes slow. In addition, the debris in the hydraulic oil is easy to block the filter element, affecting the filtering effect, and further causing the hydraulic equipment to not work normally. Therefore, improvements need to be made to the existing problems. Utility Model Content

[0004] In view of the above situation, in order to overcome the current technical defects, the utility model provides a hydraulic oil filter device with good filtering effect and easy cleaning. Through the setting of this device, the filter plate can be cleaned to prevent clogging caused by long-term use and affect the filtration.

[0005] The technical scheme adopted by the utility model is as follows: the hydraulic oil filtering device provided by the scheme includes a filter box, a filter cylinder, a filter screen plate and a cleaning assembly, the filter cylinder is installed on the middle part of the inner top wall of the filter box through a bracket, the filter screen plate is arranged in the filter box and is located below the filter cylinder, the cleaning assembly is arranged on the filter box, the cleaning assembly cleans the filter cylinder and the filter screen plate, the cleaning assembly includes a forward and reverse motor, a stirring shaft and a stirring blade, a motor support frame is provided in the middle part of the upper top wall of the filter box, the forward and reverse motor is arranged on the motor support frame, the stirring shaft is rotatably arranged in the middle part of the inner top wall of the filter box, the upper end of the stirring shaft is connected to the output shaft of the forward and reverse motor, the stirring blade is arranged on the stirring shaft, and the lower end of the stirring shaft is provided with a scraper frame, and the scraper frame contacts with the surface of the filter cylinder.

[0006] In order to improve the filtering effect of the hydraulic oil, two groups of filter screen plates are provided. The two groups of filter screen plates are arranged in the filter box at intervals from top to bottom, and the filter screen holes on the two groups of filter screen plates become smaller in sequence.

[0007] In order to change the voltage to clean the filter screen, a threaded rod is rotatably provided between the two inner walls of the filter box, the threaded rod is located between the two groups of filter screens, a scraper plate is provided on the threaded rod, and the upper and lower ends of the scraper plate are respectively in contact with the two groups of filter screens, and a rotating shaft is rotatably provided on one side of the top wall of the filter box through a bearing seat, one end of the rotating shaft extends into the motor support frame, and matching bevel gears are provided on the rotating shaft and the output shaft of the forward and reverse motors, and the bevel gears are meshed with each other, and sprockets are provided on the other ends of the threaded rod and the rotating shaft, and the sprockets are driven by chains.

[0008] In order to facilitate the discharge of impurities, a sewage discharge door is provided on one side of the filter box, and the sewage discharge door corresponds to the two groups of filter screens. An inspection door is provided at the front end of the filter box, and the interior of the filter box can be inspected and maintained by opening the inspection door.

[0009] Furthermore, a liquid inlet cylinder is provided on one side of the top of the filter box, the liquid inlet cylinder is opposite to the filter mesh cylinder, and a drain valve is provided at the bottom of one side of the filter box.

[0010] The beneficial effects achieved by the utility model using the above structure are as follows: the utility model is a hydraulic oil filtering device, which has the advantages that: the hydraulic oil can be filtered step by step through the set filter cylinder and two groups of filter plates, thereby improving the filtering effect; the impurities adhered to the surface of the filter cylinder and the two groups of filter plates can be cleaned at the same time through the set cleaning component, so as to prevent the debris from clogging the filter plates and affecting the filtering effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0012] Figure 1 This is a schematic diagram of the overall structure of a hydraulic oil filter device of the utility model;

[0013] Figure 2 This is a schematic diagram of the internal structure of a hydraulic oil filter device of the utility model;

[0014] Figure 3 The utility model is a schematic diagram of the installation structure of a cleaning component of a hydraulic oil filter device.

[0015] Among them, 1. filter box, 2. filter cylinder, 3. filter plate, 4. cleaning component, 5. forward and reverse motor, 6. stirring shaft, 7. stirring blade, 8. motor support frame, 9. scraper frame, 10. threaded rod, 11. scraper plate, 12. rotating shaft, 13. bevel gear, 14. sprocket, 15. chain, 16. sewage door, 17. liquid inlet cylinder, 18. drain valve. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0017] It should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to directions in the drawings, and the words "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.

[0018] like Figure 1 , Figure 2 and Figure 3 As shown, the hydraulic oil filtering device provided by the present scheme comprises a filter box 1, a filter screen cylinder 2, a filter screen plate 3 and a cleaning component 4. An inspection door 19 is provided at the front end of the filter box 1. A liquid inlet cylinder 17 is provided on one side of the top of the filter box 1. The filter screen cylinder 2 is installed on the middle part of the inner top wall of the filter box 1 through a bracket. The liquid inlet cylinder 17 is opposite to the filter screen cylinder 2. The filter screen plate 3 is arranged in the filter box 1 and is located below the filter screen cylinder 2. The cleaning component 4 is arranged on the filter box 1. The cleaning component 4 cleans the filter screen cylinder 2 and the filter screen plate 3. A drain valve 18 is provided at the lower part of one side of the filter box 1. The cleaning component 4 comprises a forward and reverse motor 5, a stirring shaft 6 and a stirring blade 7. A motor support frame 8 is provided in the middle part of the upper top wall of the filter box 1. The forward and reverse motor 5 is arranged on the motor support frame 8. The stirring shaft 6 is rotatably arranged in the middle part of the inner top wall of the filter box 1. The upper end of the stirring shaft 6 is connected to the output shaft of the forward and reverse motor 5. The stirring blade 7 is arranged on the stirring shaft 6. A scraper frame 9 is provided at the lower end of the stirring shaft 6. The scraper frame 9 contacts the surface of the filter screen cylinder 2.

[0019] like Figure 2 and Figure 3As shown, two groups of filter screen plates 3 are provided, and the two groups of filter screen plates 3 are arranged in the filter box 1 at intervals from top to bottom. The filter mesh holes on the two groups of filter screen plates 3 become smaller successively. A threaded rod 10 is rotatably provided between the two inner side walls of the filter box 1, and the threaded rod 10 is located between the two groups of filter screen plates 3. A scraper plate 11 is provided on the threaded rod 10, and the upper and lower ends of the scraper plate 11 are respectively in contact with the two groups of filter screen plates 3. A rotating shaft 12 is rotatably provided on one side of the top wall of the filter box 1 through a bearing seat, and one end of the rotating shaft 12 extends into the motor support frame 8. The rotating shaft 12 and the output shaft of the forward and reverse motor 5 are both provided with matching bevel gears 13, and the bevel gears 13 are meshed with each other. A sprocket 14 is provided on the other end of the threaded rod 10 and the rotating shaft 12, and the sprocket 14 is driven by a chain 15. A sewage discharge door 16 is provided on one side of the filter box 1, and the sewage discharge door 16 corresponds to the two groups of filter screen plates 3.

[0020] During specific use, the hydraulic oil to be filtered is introduced into the filter screen cylinder 2 through the liquid inlet cylinder 17, and the hydraulic oil is filtered by the filter screen cylinder 2. The filtered hydraulic oil then passes through the step-by-step filtration of the two groups of filter screen plates 3 and falls into the bottom of the filter box 1 and is discharged through the drain valve 18. When the filter screen cylinder 2 and the filter screen plate 3 need to be cleaned, the forward and reverse motor 5 is started, and the forward and reverse motor 5 drives the stirring shaft 6 to rotate, and then the scraper frame 9 rotates to scrape off the impurities adhered to the filter screen cylinder 2. At the same time, the rotating shaft 12 rotates under the engagement of the bevel gear 13, so that the threaded rod 10 rotates under the transmission of the sprocket 14 and the chain 15, and the threaded rod 10 drives the scraper plate 11 to move horizontally to push the impurities adhered to the filter screen plate 3 to the sewage door 16 for discharge; the stirring blade 7 can be rotated when the stirring shaft 6 rotates, so as to stir the hydraulic oil and accelerate the flow efficiency.

[0021] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, material or apparatus including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, material or apparatus.

[0022] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hydraulic oil filter device, comprising a filter box and a filter screen, characterized in that: It also includes a filter screen plate and a cleaning component. The filter screen cylinder is installed on the middle part of the top wall of the filter box through a bracket. The filter screen plate is arranged in the filter box and below the filter screen cylinder. The cleaning component is arranged on the filter box. The cleaning component cleans the filter screen cylinder and the filter screen plate: The cleaning component includes a forward and reverse motor, a stirring shaft and a stirring blade. A motor support frame is provided in the middle of the upper top wall of the filter box, the forward and reverse motor is arranged on the motor support frame, the stirring shaft is rotatably arranged in the middle of the inner top wall of the filter box, the upper end of the stirring shaft is connected to the output shaft of the forward and reverse motor, the stirring blade is arranged on the stirring shaft, and a scraper frame is provided at the lower end of the stirring shaft, and the scraper frame is in contact with the surface of the filter mesh cylinder.

2. A hydraulic oil filter device according to claim 1, characterized in that: A threaded rod is rotatably provided between the two inner side walls of the filter box, the threaded rod is located between the two groups of filter screens, a scraper plate is provided on the threaded rod, and the upper and lower ends of the scraper plate are respectively in contact with the two groups of filter screens.

3. A hydraulic oil filter device according to claim 2, characterized in that: A rotating shaft is rotatably provided on one side of the top wall of the filter box through a bearing seat, one end of the rotating shaft extends into the motor support frame, and matching bevel gears are provided on the rotating shaft and the output shaft of the forward and reverse motors, and the bevel gears are meshed with each other. A sprocket is provided on the other end of the threaded rod and the rotating shaft, and the sprocket is driven by a chain.

4. A hydraulic oil filter device according to claim 3, characterized in that: A sewage discharge door is provided on one side of the filter box, and the sewage discharge door corresponds to the two groups of filter screen plates.

5. A hydraulic oil filter device according to claim 4, characterized in that: A liquid inlet cylinder is arranged on one side of the top of the filter box, and the liquid inlet cylinder is opposite to the filter screen cylinder. A liquid drain valve is arranged at the lower side of one side of the filter box.

6. A hydraulic oil filter device according to claim 5, characterized in that: An inspection door is arranged at the front end of the filter box.

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