Simple impurity removal device for hydraulic station

By designing a simple impurity removal device in the hydraulic station and using a clip-mounted impurity box and a rotating brush to clean impurities on the filter, the problem of impurity adhesion in the hydraulic station oil is solved, a simple and efficient impurity removal effect is achieved, the service life of the device is extended and the normal circulation of the hydraulic oil is guaranteed.

CN223330884UActive Publication Date: 2025-09-12BEIJING JIAOTONG UNIV
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Patent Information

Application Number
CN202422838099.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-20
Publication Date
2025-09-12
Estimated Expiration
2034-11-20

AI Technical Summary

Technical Problem

The existing hydraulic station contains a large amount of impurities in the oil after long-term use, which makes the impurity removal device complex in structure and difficult to use. Impurities adhere to the filter screen, affecting the impurity removal effect and even causing blockage.

Method used

A simple impurity removal device is designed, including an impurity box, a filter screen and a brush. It is installed in the hydraulic station box through a snap. The filter screen is detachable and the brush rotates to clean the impurities on the filter screen. The impurities are collected in the impurity tray for easy disposal.

Benefits of technology

It realizes a simple impurity removal process, prolongs the service life of the impurity removal device, ensures the normal circulation of hydraulic oil, and avoids clogging problems.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of hydraulic station impurity removal, in particular to a simple hydraulic station impurity removal device which comprises an impurity box and a hydraulic station box, an impurity groove is formed in the hydraulic station box, the back of the impurity box is connected with the inner wall of the impurity groove in a clamped mode through buckles on the periphery to be fixed, and an oil inlet is formed in the front face of the impurity box. Hydraulic oil enters the impurity box from the oil inlet to be subjected to impurity removal treatment, a filter screen is arranged at the top of the impurity box, the filter screen filters and removes impurities in the hydraulic oil, impurities in the hydraulic oil can be removed, and normal work of the hydraulic station is guaranteed; a servo motor is arranged outside one side of the impurity box, and the output end of the servo motor penetrates through a side plate to be fixedly provided with a rotating shaft; the brush rotates along with the rotating shaft, impurities attached to the filter screen can be swept away, the filtering and impurity removing effect of the filter screen is guaranteed, the impurities fall into the impurity disc at the bottom, and unified discarding or treatment is facilitated.
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Description

Technical Field

[0001] The utility model relates to the field of hydraulic station impurity removal, in particular to a simple impurity removal device for a hydraulic station. Background Art

[0002] After long-term use, the water content and impurity content of the hydraulic oil in the hydraulic station are relatively high. In order to ensure the normal operation of the hydraulic equipment and reduce its wear, the hydraulic oil needs to be regularly treated with impurity removal, dehydration, deacidification and degassing.

[0003] However, the prior art has the following defects:

[0004] Some hydraulic stations now do not have impurity removal devices. After long-term use, the hydraulic oil contains a large amount of impurities, which will affect the normal use of the hydraulic station. Some hydraulic stations have impurity removal devices, but the structure is complex and difficult to use, and impurities will adhere to the filter screen. Long-term use will affect the impurity removal effect and even affect the circulation of hydraulic oil, causing blockage. Utility Model Content

[0005] The purpose of the utility model is to provide a simple impurity removal device for a hydraulic station to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a simple impurity removal device for a hydraulic station, comprising an impurity box and a hydraulic station box body, an impurity groove being provided inside the hydraulic station box body, a fixed convex plate being provided on one side around the impurity box, a number of clips being evenly distributed on the fixed convex plate, and the impurity box being connected to the inner side of one side of the impurity groove through the clips, a filter being provided on the top of the impurity box, an impurity disk being provided at the bottom of the impurity box, a cavity being provided in the middle of the top of the impurity disk, a brush being installed on the middle part of the impurity box by rotating through a rotating shaft, and the top of the brush being in close fit with the inner side of the filter.

[0007] The above technical solution is adopted. The impurity box is installed inside the impurity tank through a snap-on engagement, which is convenient for installation and disassembly. The filter screen has a filtering and impurity-removing effect on the hydraulic oil. The brush rotates inside the impurity box to sweep away impurities attached to the filter screen, thereby cleaning the filter screen and extending the service life of the impurity removal device.

[0008] The top and bottom of the impurity box are both open designs, and the two sides of the filter are threadedly connected to the two sides of the top of the impurity box through several bolts, and sealing washers are provided on the outside of the bolts. An oil inlet is opened in the middle of the back of the impurity box.

[0009] By adopting the above technical solution, the filter screen is detachable and easy to remove for cleaning and replacement, and the hydraulic oil enters the interior of the impurity removal device from the oil inlet.

[0010] A slide groove is provided in the middle of both ends of the bottom of the impurity box, and a slide bar is provided in the middle of both ends of the top of the impurity tray. The slide bar is slidably connected to the slide groove, and a rubber pad is bonded to the inner wall of the slide groove.

[0011] The above technical solution is adopted, in which the impurity tray is mounted on the bottom of the impurity box through a sliding connection and a sliding groove, so that the impurities dropped by the collection brush can be easily swept away.

[0012] The bottom inner wall of the impurity trough close to the impurity box side is symmetrically provided with limiting ridges, the cross-sectional shape of the limiting ridges is a right-angled trapezoid and the spacing between the two is the same as the width of the impurity disk, the bottom of the impurity disk is snap-fitted and installed between the two limiting ridges, and a handle is provided in the middle of the top of the front of the impurity disk.

[0013] By adopting the above technical solution, the limiting convex strip of the solution plays a role in limiting and positioning, which can quickly determine the installation position of the impurity tray, and the buckle makes it easy to pull out the impurity tray.

[0014] A rotating connecting piece is fixedly installed in the middle of the inner wall of one side of the impurity box, and a servo motor is fixedly installed in the middle of the outer wall of the other side of the impurity box through a fixed bracket. The output end of the servo motor passes through the side plate of the impurity box and is fixedly connected to one end of the rotating shaft, and the other end of the rotating shaft is fixedly connected to the rotating connecting piece.

[0015] With the above technical solution, the shaft rotates along with the servo motor, and the other end is fixedly connected to the rotating connector and thus rotatably connected to the inner wall of the other side of the impurity box.

[0016] The annular plate of the fixing bracket is sleeved on the outside of the middle part of the servo motor and the two are fixedly connected. Support legs are provided around one side of the fixing bracket and the support legs are fixed to the side plates of the impurity box through screw thread connection.

[0017] With the above technical solution, the annular plate of the fixed bracket is connected to the servo motor through screw threads, and both the fixed bracket and the servo motor are detachable, making them easy to remove for repair and replacement.

[0018] A brush is sleeved on the outer side of the middle part of the rotating shaft. External threads are provided on the outer sides of both ends of the rotating shaft and fastening nuts are installed on the threads. The cross-section shape of the fastening nuts is gear-shaped.

[0019] The above technical solution is adopted, in which the brush sleeve is arranged on the outside of the rotating shaft, making it detachable. The fastening nuts at both ends play the role of fixing the position of the brush, which can prevent the brush from falling off and sliding on the rotating shaft, affecting the cleaning effect.

[0020] Compared with the prior art, the beneficial effects of the present invention are:

[0021] The impurity removal device of the utility model is snap-fitted and installed in the impurity groove inside the hydraulic station box and is detachable. The hydraulic oil enters the impurity removal device from the oil inlet, the filter screen filters the hydraulic oil and removes impurities. The brush rotates and sweeps the inside of the filter screen to play a cleaning role. It can sweep away the impurities attached to the filter screen and drop them into the impurity tray, which is convenient for unified treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a cross-sectional schematic diagram of the utility model;

[0023] Figure 2 This is a schematic diagram of the overall front structure of the utility model;

[0024] Figure 3 This is a schematic diagram of the overall structure of the impurity box of the utility model;

[0025] Figure 4 This is a schematic diagram of the cross-sectional structure of the impurity box of the utility model;

[0026] Figure 5 This is a schematic diagram of the brush structure of the present utility model;

[0027] Figure 6 This is a schematic diagram of the structure of the impurity tray of the utility model;

[0028] Figure 7 It is a schematic diagram of the overall structure of the utility model.

[0029] In the figure: 1. Impurity box; 2. Hydraulic station box; 3. Impurity groove; 4. Fixed convex plate; 5. Buckle; 6. Servo motor; 7. Fixed bracket; 8. Impurity tray; 9. Oil inlet; 10. Clamp; 11. Limiting convex strip; 12. Slide; 13. Filter; 14. Bolt; 15. Fastening nut; 16. Rotating shaft; 17. Brush; 18. Slide; 19. Cavity; 20. Rotating connector. DETAILED DESCRIPTION

[0030] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0031] See also Figure 1-7The utility model provides a simple impurity removal device for a hydraulic station, including an impurity box 1 and a hydraulic station box body 2. An impurity groove 3 is provided inside the hydraulic station box body 2. A fixed convex plate 4 is provided on one side around the impurity box 1. A number of clips 5 are evenly distributed on the fixed convex plate 4, and the impurity box 1 is connected to the inner side of the impurity groove 3 through the clips 5. A filter screen 13 is provided on the top of the impurity box 1, and an impurity tray 8 is provided below the impurity box 1. A cavity 19 is provided in the middle of the top of the impurity tray 8. A brush 17 is rotatably installed in the middle of the impurity box 1 through a rotating shaft 16. The top of the brush 17 is tightly fitted with the inner side of the filter screen 13, and the bottom of the impurity box 1 is tightly abutted against the top of the impurity tray 8.

[0032] The top and bottom of the impurity box 1 are both open. The two sides of the filter 13 are threadedly connected to the two sides of the top of the impurity box 1 through several bolts 14, and the outer side of the bolts 14 is provided with a sealing gasket. The middle of the back of the impurity box 1 is provided with an oil inlet 9. The filter 13 is detachable, and a sealing gasket is provided on the bolts 14 to ensure a firm and tight installation.

[0033] A slide groove 12 is provided in the middle of both ends of the bottom of the impurity box 1, and a slide bar 18 is provided in the middle of both ends of the top of the impurity tray 8. The slide bar 18 is slidably connected to the slide groove 12. A rubber pad is bonded to the inner wall of the slide groove 12, and the slide bar 18 is snap-fitted and installed inside the slide groove 12.

[0034] The impurity groove 3 is symmetrically provided with a limiting ridge 11 on the bottom inner wall of the side close to the impurity box 1. The cross-sectional shape of the limiting ridge 11 is a right-angled trapezoid and the distance between the two is the same as the width of the impurity disk 8. The bottom of the impurity disk 8 is snap-fitted and installed between the two limiting ridges 11. A buckle 10 is provided in the middle of the top of the front of the impurity disk 8, and the right-angled sides of the two limiting ridges 11 are tightly abutted against the bottom of both sides of the impurity disk 8.

[0035] A rotating connector 20 is fixedly installed in the middle of the inner wall of one side of the impurity box 1, and a servo motor 6 is fixedly installed in the middle of the outer wall of the other side of the impurity box 1 through a fixed bracket 7. The output end of the servo motor 6 passes through the side plate of the impurity box 1 and is fixedly connected to one end of the rotating shaft 16. The other end of the rotating shaft 16 is fixedly connected to the rotating connector 20, and the servo motor 6 drives the rotating shaft 16 to rotate.

[0036] The annular plate of the fixed bracket 7 is sleeved on the outside of the middle part of the servo motor 6 and the two are fixedly connected. Support legs are provided around one side of the fixed bracket 7 and the support legs are fixed to the side plates of the impurity box 1 by screw thread connection. The servo motor 6 is detachable.

[0037] A brush 17 is sleeved on the outer side of the middle part of the rotating shaft 16. External threads are opened on the outer sides of both ends of the rotating shaft 16 and fastening nuts 15 are threadedly installed. The cross-sectional shape of the fastening nut 15 is gear-shaped, which is convenient for twisting the fastening nut 15. The fastening nut 15 plays the role of fixing the brush 17.

[0038] Working principle: When the present invention is used, first insert the bottom of the impurity tray 8 between the two limiting ridges 11, push it into the impurity groove 3, determine the position of the impurity tray 8, then put the end of the slide groove 12 on the head of the slide bar 18, push the impurity box 1 inward until it abuts against the inner wall of the impurity groove 3, and fix the impurity box 1 and the impurity groove 3 by snapping together with the buckle 5. The hydraulic oil enters the impurity box 1 from the oil inlet 9 and is discharged from the oil outlet. The filter screen 13 filters the hydraulic oil and removes impurities. The impurities will adhere to the filter screen 13, and then the servo motor 6 is turned on, and the rotating shaft 16 drives the brush 17 to rotate and sweep the inside of the filter screen 13, which can sweep away the impurities attached to the filter screen 13. The impurities fall down and are collected in the impurity tray 8. The thumb is inserted into the buckle hand 10 to pull out the impurity tray 8, and the collected impurities can be discarded and processed in a unified manner.

[0039] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A simple impurity removal device for a hydraulic station, comprising an impurity box (1) and a hydraulic station housing (2), characterized in that: An impurity groove (3) is provided inside the hydraulic station box (2), and a fixed convex plate (4) is provided on one side of each of the four sides of the impurity box (1). A plurality of snap hooks (5) are evenly distributed on the fixed convex plate (4), and the impurity box (1) is connected to the inner side of the impurity groove (3) through the snap hooks (5). A filter screen (13) is provided on the top of the impurity box (1), and an impurity disk (8) is provided below the impurity box (1). A cavity (19) is provided in the middle of the top of the impurity disk (8). A brush (17) is rotatably installed in the middle of the impurity box (1) via a rotating shaft (16), and the top of the brush (17) is tightly fitted with the inner side of the filter screen (13).

2. A simple impurity removal device for a hydraulic station according to claim 1, characterized in that: The top and bottom of the impurity box (1) are both designed to be open, and the two sides of the filter (13) are threadedly connected to the two sides of the top of the impurity box (1) through a plurality of bolts (14), and sealing washers are provided on the outer sides of the bolts (14), and an oil inlet (9) is opened in the middle of the back of the impurity box (1).

3. The simple impurity removal device for a hydraulic station according to claim 1, characterized in that: A slide groove (12) is provided in the middle of both ends of the bottom of the impurity box (1), and a slide bar (18) is provided in the middle of both ends of the top of the impurity tray (8). The slide bar (18) is slidably connected to the slide groove (12), and a rubber pad is bonded to the inner wall of the slide groove (12).

4. The simple impurity removal device for a hydraulic station according to claim 1, characterized in that: The inner wall of the bottom of the impurity groove (3) close to the impurity box (1) is symmetrically provided with limiting ridges (11), the cross-section of the limiting ridges (11) is a right-angled trapezoid and the distance between the two is the same as the width of the impurity disk (8), the bottom of the impurity disk (8) is snap-fitted and installed between the two limiting ridges (11), and a buckle (10) is provided in the middle of the top of the front of the impurity disk (8).

5. The simple impurity removal device for a hydraulic station according to claim 1, characterized in that: A rotating connection piece (20) is fixedly mounted in the middle of the inner wall of one side of the impurity box (1), and a servo motor (6) is fixedly mounted in the middle of the outer wall of the other side of the impurity box (1) via a fixing bracket (7). The output end of the servo motor (6) passes through the side plate of the impurity box (1) and is fixedly connected to one end of the rotating shaft (16), and the other end of the rotating shaft (16) is fixedly connected to the rotating connection piece (20).

6. The simple impurity removal device for a hydraulic station according to claim 5, characterized in that: The annular plate of the fixing bracket (7) is sleeved on the outside of the middle part of the servo motor (6) and the two are fixedly connected. Support legs are provided around one side of the fixing bracket (7) and the support legs are fixed to the side plates of the impurity box (1) through screw thread connection.

7. The simple impurity removal device for a hydraulic station according to claim 1, characterized in that: The outer side of the middle part of the rotating shaft (16) is sleeved with a brush (17), and the outer sides of both ends of the rotating shaft (16) are provided with external threads and fastening nuts (15) are threadedly installed. The cross-section of the fastening nuts (15) is gear-shaped.