Hydraulic oil filtering device for hydraulic equipment

Abstract

According to the technical scheme, the hydraulic oil filtering device for the hydraulic equipment comprises a box body and a filter, a filtering chamber is installed at the top in the box body, the filter is installed in the middle in the filtering chamber, a magnetic strip is installed in the filter, and a lead screw is installed at the position, located at the bottom in the filter, in the filtering chamber. A limiting rod is mounted at the top in the filter in the filter chamber, a moving plate is mounted on the outer surfaces of the limiting rod and the screw rod, and a rubber scraper is mounted on one side of the outer surface of the moving plate. The hydraulic oil filtering device for the hydraulic equipment solves the problems that a magnet filter screen of an existing hydraulic oil filtering assembly cannot discharge scraps in time after adsorbing the scraps, filtering holes are prone to being blocked, follow-up filtering of hydraulic oil is affected, the magnet filter screen needs to be manually cleaned, and operation is too inconvenient, the cleaning efficiency of a filter is improved, and the working efficiency is improved. Therefore, the normal use of the hydraulic filtering equipment is ensured.

Description

Technical Field

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

[0002] Hydraulic equipment is a mechanical device that uses liquid as a transmission medium. It converts force into hydraulic energy through the principle of hydraulic transmission, and realizes the transmission, control and execution of various tasks. Hydraulic equipment has many advantages, including high power density, precise control, reliability and strong adaptability. They are widely used in various fields, such as engineering machinery, industrial equipment, aerospace, automobile manufacturing, metallurgy, shipbuilding, etc. Filter mechanism is required in the use of hydraulic oil in hydraulic equipment.

[0003] After searching, it was found that in the prior art, there are hydraulic oil filter components such as a hydraulic oil filter device for hydraulic equipment disclosed in publication number CN220365809U. The magnet filter net set can adsorb the debris generated by pressure in the equipment on the filter net to reduce damage to the ordinary filter net, extend the service life of the filter device, and thus extend the service life of the hydraulic equipment.

[0004] The magnet filter of the existing hydraulic oil filter assembly cannot discharge the debris in time after absorbing it, which easily causes the filter holes to be blocked, affecting the subsequent filtration of the hydraulic oil, and requires manual cleaning, which is too inconvenient. Therefore, we propose a hydraulic oil filter device for hydraulic equipment. Utility Model Content

[0005] The utility model aims to provide a hydraulic oil filter device for hydraulic equipment, which can achieve the effect of automatically cleaning the filter mechanism, so as to solve the problem that the magnet filter of the existing hydraulic oil filter assembly cannot discharge the debris in time after absorbing it, which easily causes the filter hole to be blocked, affects the subsequent filtration of the hydraulic oil, and requires manual cleaning, which is too inconvenient to operate.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hydraulic oil filtering device for hydraulic equipment, comprising a box body and a filter, wherein a filter chamber is installed on the top of the box body, a filter is installed in the middle of the filter chamber, a magnetic strip is installed inside the filter, a screw rod is installed in the filter chamber at the bottom of the filter, a limit rod is installed in the filter chamber at the top of the filter, a movable plate is installed on the outer surface of the limit rod and the screw rod, a rubber scraper is installed on one side of the outer surface of the movable plate, and a nylon scraper is installed on the outer surface of the movable plate close to the rubber scraper.

[0007] Preferably, a driving motor is installed at one end of the screw rod, a sealing plate is installed on the outer surface of the screw rod and the limit rod near the driving motor, a spring is installed on the outer surface of the limit rod and the screw rod near the sealing plate, a push rod is installed on the movable plate near the sealing plate, and a waste box is installed on the front surface of the box body at the bottom of the movable plate.

[0008] Preferably, an observation window is installed in the middle of the front surface of the box body, an oil inlet pipe is installed on one side of the box body near the top, and an oil drain pipe is installed on the side of the box body away from the oil inlet pipe near the bottom.

[0009] Preferably, a centrifugal chamber is installed at the bottom of the box body, a centrifugal net is installed at the bottom of the centrifugal chamber via a rotating shaft, and the bottom of the filter chamber is connected to the inside of the centrifugal net via a lower hopper.

[0010] Preferably, a gear B is installed on the outer surface of the rotating shaft near the bottom, a centrifugal motor is installed on the bottom of the box body near the rotating shaft, a gear A is installed on the output shaft of the centrifugal motor, and the gear A is meshed with the gear B.

[0011] Preferably, a sewage pump is installed at the bottom of the box body, a sewage pipe is installed at the output end of the sewage pump, and a discharge pipe is installed at the input end of the sewage pump.

[0012] Preferably, the discharge pipe is inserted into the interior of the rotating shaft, the end of the discharge pipe is located inside the centrifugal net and an adsorption cover is installed therein, and a sealing strip is installed on the adsorption cover close to the inner surface of the centrifugal net.

[0013] Preferably, there are five magnetic strips in total, and the five magnetic strips are equidistantly arranged inside the filter.

[0014] Preferably, a filter screen is installed inside the filter, and there are five filter screens in total, and the five filter screens are equidistantly arranged at the gap positions of the magnetic stripes inside the filter.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] 1. The utility model achieves the effect of quickly cleaning the iron pin impurities on the inner surface of the filter by arranging a screw rod, a movable plate, a rubber scraper and a nylon scraper. A screw rod is arranged at the bottom of the filter in the filter chamber, a limit rod is arranged at the top of the filter in the filter chamber, a movable plate is arranged on the outer surface of the limit rod and the screw rod, a rubber scraper is arranged on one side of the outer surface of the movable plate, and a nylon scraper is arranged on the side of the outer surface of the movable plate close to the rubber scraper, so as to solve the problem that the magnet filter of the existing hydraulic oil filter assembly cannot discharge the debris in time after absorbing it, which easily causes the filter hole to be blocked, affects the subsequent filtration of the hydraulic oil, and needs to be manually cleaned, which is too inconvenient to operate, thereby improving the cleaning efficiency of the filter, thereby ensuring the normal use of the hydraulic filtering equipment.

[0017] 2. The utility model achieves the effect of centrifugal filtration of hydraulic oil by arranging a rotating shaft, a centrifugal motor and a centrifugal net. A centrifugal chamber is arranged at the bottom of the box body, a centrifugal net is arranged at the bottom of the centrifugal chamber through the rotating shaft, and the bottom of the filter chamber is connected to the inside of the centrifugal net through a lower hopper. A gear B is arranged on the outer surface of the rotating shaft near the bottom, a centrifugal motor is arranged on one side of the bottom of the box body near the rotating shaft, and a gear A is arranged on the output shaft of the centrifugal motor, and the gear A is meshed with the gear B, so as to solve the problem that the existing hydraulic oil is filtered by gravity, the filtration time of the hydraulic oil is long, and the filtration efficiency of the hydraulic oil is affected, thereby improving the centrifugal filtration efficiency of the hydraulic oil.

[0018] 3. The utility model achieves the effect of cleaning the inner surface of the centrifugal net by arranging a sewage pump, a sewage pipe and an adsorption cover. The sewage pump is arranged at the bottom of the box body, the sewage pipe is arranged at the output end of the sewage pump, the discharge pipe is arranged at the input end of the sewage pump, the discharge pipe is plugged into the inside of the rotating shaft, and the adsorption cover is arranged at the end of the discharge pipe inside the centrifugal net to solve the problem that after the existing centrifugal net is used for a long time, a large amount of impurities remain on the inner surface, which easily leads to the blockage of the centrifugal net and affects the subsequent filtering efficiency of the centrifugal net, thereby reducing the blockage probability of the centrifugal net and ensuring the filtering efficiency of the centrifugal net. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0020] Figure 2 It is a cross-sectional structural schematic diagram of the utility model;

[0021] Figure 3 It is a side view structural diagram of the filter of the utility model;

[0022] Figure 4 for Figure 2 The enlarged structural diagram of A;

[0023] Figure 5 for Figure 2 The enlarged structural diagram of B;

[0024] Figure 6 for Figure 2 Schematic diagram of the enlarged structure of C.

[0025] Figure numerals: 1. Box body; 2. Oil inlet pipe; 3. Observation window; 4. Drive motor; 5. Waste box; 6. Oil drain pipe; 7. Filter; 8. Magnetic strip; 9. Limit rod; 10. Filter screen; 11. Filter chamber; 12. Centrifugal chamber; 13. Adsorption cover; 14. Sealing strip; 15. Sewage pump; 16. Sewage pipe; 17. Discharge pipe; 18. Centrifugal screen; 19. Lower hopper; 20. Rubber scraper; 21. Push rod; 22. Moving plate; 23. Nylon scraper; 24. Sealing plate; 25. Screw; 26. Spring; 27. Centrifugal motor; 28. Gear A; 29. ​​Gear B; 30. Rotating shaft. DETAILED DESCRIPTION

[0026] The technical solution of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0027] Embodiment 1

[0028] like Figure 1-5 As shown, in order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hydraulic oil filtering device for hydraulic equipment, comprising a box body 1 and a filter 7, a filter chamber 11 is installed on the top of the box body 1, a filter 7 is installed in the middle of the filter chamber 11, a magnetic strip 8 is installed in the filter 7, there are five magnetic strips 8 in total, and the five magnetic strips 8 are equidistantly arranged at the internal positions of the filter 7, a filter screen 10 is installed in the filter 7, there are five filter screens 10 in total, and the five filter screens 10 are equidistantly arranged at the gap positions of the magnetic strips 8 in the filter 7, a screw rod 25 is installed in the filter chamber 11 at the bottom of the filter 7, a drive motor 4 is installed at one end of the screw rod 25, and the screw rod 25 and the outer surface of the limit rod 9 are installed near the drive motor 4 There is a sealing plate 24, a spring 26 is installed on the outer surface of the limit rod 9 and the screw rod 25 near the sealing plate 24, a push rod 21 is installed on the side of the movable plate 22 near the sealing plate 24, a limit rod 9 is installed at the top of the filter 7 in the filter chamber 11, the limit rod 9 is set to facilitate the stable movement of the movable plate 22, the limit rod 9 and the outer surface of the screw rod 25 are installed with the movable plate 22, a waste box 5 is installed on the front surface of the box body 1 at the bottom of the movable plate 22, the scraper waste is collected by the waste box 5, a rubber scraper 20 is installed on one side of the outer surface of the movable plate 22, a nylon scraper 23 is installed on the outer surface of the movable plate 22 near the rubber scraper 20, and the magnetic strip 8 is scraped and cleaned by the rubber scraper 20 and the nylon scraper 23.

[0029] like Figure 2 and Figure 6As shown, a centrifugal chamber 12 is installed at the bottom of the box body 1, and a centrifugal net 18 is installed at the bottom of the centrifugal chamber 12 through a rotating shaft 30. The bottom of the filter chamber 11 is connected to the inside of the centrifugal net 18 through a lower hopper 19. The hydraulic oil is filtered by the set centrifugal net 18. A gear B29 is installed on the outer surface of the rotating shaft 30 near the bottom, a centrifugal motor 27 is installed on the bottom of the box body 1 near the rotating shaft 30, and a gear A28 is installed on the output shaft of the centrifugal motor 27. The gear A28 is meshed with the gear B29. An observation window 3 is installed in the middle of the front surface of the box body 1, an oil inlet pipe 2 is installed on one side of the box body 1 near the top, and an oil discharge pipe 6 is installed on the side of the box body 1 away from the oil inlet pipe 2 near the bottom.

[0030] The working principle of a hydraulic oil filter device for hydraulic equipment based on Example 1 is as follows: after the utility model is installed, the hydraulic oil is guided to the inside of the filter 7 through the oil inlet pipe 2, the iron pin impurities in the hydraulic oil are adsorbed by the magnetic strip 8, and the hydraulic oil is filtered by the filter 10 at the same time, and then falls into the lower hopper 19 after filtration, and the hydraulic oil is guided to the inside of the centrifugal net 18 through the lower hopper 19, and then the centrifugal motor 27 is started, and the gear A28 is driven to rotate by the centrifugal motor 27, and the rotating shaft 30 is driven to rotate by the gear A28 and the gear B29, and the centrifugal net 18 is driven to rotate by the rotating shaft 30, and the centrifugal net 18 is filtered by the centrifugal net 18, and the filtered hydraulic oil passes through the oil discharge pipe 6 is discharged, and when it is necessary to clean the impurities inside the filter 7, the driving motor 4 is started, and the screw rod 25 is driven to rotate by the driving motor 4, and the movable plate 22 is driven to move by the screw rod 25, thereby driving the rubber scraper 20 and the nylon scraper 23 to move, so as to scrape the inside of the filter 7. When the movable plate 22 moves to the sealing plate 24, the sealing plate 24 is squeezed by the push rod 21, thereby driving the sealing plate 24 to move away, and the impurities are scraped into the waste box 5 by the rubber scraper 20 and the nylon scraper 23. After completion, the movable plate 22 is driven to reset by the driving motor 4 and the screw rod 25, and the filter 7 can continue to be used to filter the hydraulic oil. At this point, the working process of this equipment is completed.

[0031] Embodiment 2

[0032] like Figure 2 As shown, the utility model proposes a hydraulic oil filtering device for hydraulic equipment. Compared with the first embodiment, this embodiment also includes: a sewage pump 15 is installed at the bottom of the box body 1, a sewage pipe 16 is installed at the output end of the sewage pump 15, a discharge pipe 17 is installed at the input end of the sewage pump 15, the discharge pipe 17 is plugged into the inside of the rotating shaft 30, and the end of the discharge pipe 17 is located inside the centrifugal net 18 and an adsorption cover 13 is installed. The centrifugal net 18 is cleaned by the set adsorption cover 13, and a sealing strip 14 is installed on the adsorption cover 13 near the inner surface of the centrifugal net 18.

[0033] In this embodiment, when the centrifugal net 18 needs to be cleaned, the sewage pump 15 and the centrifugal motor 27 are started, and the impurities on the inner surface of the centrifugal net 18 are adsorbed by the sewage pump 15 and the adsorption cover 13. At the same time, the centrifugal motor 27 and the gear A28 drive the centrifugal net 18 to rotate, and the centrifugal net 18 is centrifugally cleaned.

[0034] The above-mentioned specific embodiments are only several preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.

Claims

1. A hydraulic oil filter device for hydraulic equipment, comprising a housing (1) and a filter (7), characterized in that: A filter chamber (11) is installed at the top of the housing (1), a filter (7) is installed in the middle of the filter chamber (11), a magnetic strip (8) is installed in the filter (7), a screw rod (25) is installed at the bottom of the filter (7) in the filter chamber (11), a limit rod (9) is installed at the top of the filter (7) in the filter chamber (11), a movable plate (22) is installed on the outer surfaces of the limit rod (9) and the screw rod (25), a rubber scraper (20) is installed on one side of the outer surface of the movable plate (22), and a nylon scraper (23) is installed on the outer surface of the movable plate (22) on the side close to the rubber scraper (20).

2. A hydraulic oil filter device for hydraulic equipment according to claim 1, characterized in that: A driving motor (4) is installed at one end of the screw rod (25); a sealing plate (24) is installed on the outer surface of the screw rod (25) and the limiting rod (9) near the driving motor (4); a spring (26) is installed on the outer surface of the limiting rod (9) and the screw rod (25) near the sealing plate (24); a push rod (21) is installed on the side of the movable plate (22) near the sealing plate (24); and a waste box (5) is installed on the front surface of the box body (1) at the bottom of the movable plate (22).

3. The hydraulic oil filter device for hydraulic equipment according to claim 1, characterized in that: An observation window (3) is installed in the middle of the front surface of the box body (1), an oil inlet pipe (2) is installed on one side of the box body (1) near the top, and an oil drain pipe (6) is installed on the side of the box body (1) away from the oil inlet pipe (2) near the bottom.

4. The hydraulic oil filter device for hydraulic equipment according to claim 1, characterized in that: The bottom of the box body (1) is provided with a centrifugal chamber (12), the bottom of the centrifugal chamber (12) is provided with a centrifugal net (18) via a rotating shaft (30), and the bottom of the filter chamber (11) is connected to the inside of the centrifugal net (18) via a lower hopper (19).

5. The hydraulic oil filter device for hydraulic equipment according to claim 4, characterized in that: A gear B (29) is mounted on the outer surface of the rotating shaft (30) near the bottom, a centrifugal motor (27) is mounted on the bottom of the housing (1) near the rotating shaft (30), a gear A (28) is mounted on the output shaft of the centrifugal motor (27), and the gear A (28) is meshed with the gear B (29).

6. The hydraulic oil filter device for hydraulic equipment according to claim 1, characterized in that: A sewage pump (15) is installed at the bottom of the box body (1), a sewage pipe (16) is installed at the output end of the sewage pump (15), and a discharge pipe (17) is installed at the input end of the sewage pump (15).

7. The hydraulic oil filter device for hydraulic equipment according to claim 6, characterized in that: The discharge pipe (17) is inserted into the interior of the rotating shaft (30); the end of the discharge pipe (17) is located inside the centrifugal net (18) and is provided with an adsorption cover (13); and a sealing strip (14) is provided on the adsorption cover (13) near the inner surface of the centrifugal net (18).

8. The hydraulic oil filter device for hydraulic equipment according to claim 1, characterized in that: There are five magnetic strips (8) in total, and the five magnetic strips (8) are equidistantly arranged at positions inside the filter (7).

9. The hydraulic oil filter device for hydraulic equipment according to claim 1, characterized in that: A filter screen (10) is installed inside the filter (7), and a total of five filter screens (10) are provided. The five filter screens (10) are equidistantly arranged at the gap positions of the magnetic strips (8) inside the filter (7).

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