Oil changing device of hydraulic station

Abstract

The oil changing device of the hydraulic station comprises a base and an oil tank, the oil tank is installed at the top end of the base, a cleaning mechanism is arranged in the oil tank, a fixed box body is installed on the side, close to the oil tank, of the top end of the base, and an oil storage groove is formed in the fixed box body. An electromagnetic valve is mounted at the top end of the oil storage tank on the outer wall of the fixed box body, a filter tank is formed in the top end of the fixed box body, a mounting mechanism used for fixing the position of the fixed box body is arranged at the top end of the filter tank, a filter frame used for filtering is arranged at the bottom end of the mounting mechanism, and an oil outlet is formed in the filter frame; according to the device, the lead screw is driven by the motor to rotate, so that the lead screw drives the moving block to move on the outer wall of the guide rod, the inner wall of the oil tank is hung and dropped by the scraping plate, and impurities in the oil tank are cleaned.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic stations, in particular to an oil changing device for a hydraulic station. Background Art

[0002] The hydraulic station is a hydraulic source device or a hydraulic device including a control valve, which is composed of a hydraulic pump, a driving motor, an oil tank, a directional valve, a throttle valve, a relief valve, etc. It supplies oil according to the direction, pressure and flow required by the driving device, and is suitable for various machines where the driving device is separated from the hydraulic station.

[0003] However, in comparison with the oil changing device for a hydraulic station with application number 202022666930.4, a scraper plate is used to clean the inner wall of the oil tank. At the same time, the rotation of the fan can cool down the machine on the hydraulic station, ensuring the normal operation of the hydraulic station. The device is novel in design and simple to operate. Through the setting of the fan and the scraper plate, the rotation of the screw can drive the scraper plate to clean the inner wall of the oil tank. The existing oil changing device of the hydraulic station has the following problems during use: when changing the oil, it is not convenient for the traditional hydraulic station to clean, filter and recycle the used hydraulic oil, resulting in waste. Utility Model Content

[0004] The purpose of the utility model is to provide an oil changing device for a hydraulic station to solve the related problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an oil changing device of a hydraulic station comprises a base and an oil tank, an oil tank is installed on the top of the base, and a cleaning mechanism is arranged inside the oil tank, a fixed box is installed on the side of the top of the base close to the oil tank, and an oil storage tank is provided inside the fixed box, a solenoid valve is installed on the top of the oil storage tank on the outer wall of the fixed box, a filter tank is provided on the top of the fixed box, and a mounting mechanism for fixing the position of the fixed box is provided on the top of the filter tank, a filter frame for filtering is provided at the bottom of the mounting mechanism, and an oil outlet is provided inside the filter frame, a filter membrane is provided inside the oil outlet, a plurality of filter screens are installed inside the filter frame, and filter materials are provided inside the filter screens, a diaphragm pump is provided on the top of the base, and an input end of the diaphragm pump is connected with the inside of the filter tank, and an output end of the diaphragm pump is connected with one side of the oil tank.

[0006] The technical solution provides an oil changing device for a hydraulic station, wherein the cleaning mechanism comprises a guide rod and a motor, the guide rod is installed inside the oil tank, the motor is arranged at the top of the oil tank, and a screw rod is installed at the output end of the motor.

[0007] The technical solution provides an oil changing device for a hydraulic station, wherein the outer wall of the screw rod is provided with a moving block penetrating the guide rod, and the outer wall of the moving block is provided with a scraper plate connected to the inner wall of the oil tank.

[0008] The technical solution provides an oil changing device for a hydraulic station, wherein the mounting mechanism includes a mounting groove and a mounting block, the top of the fixed box body is provided with a mounting groove, the top of the fixed box body is hinged with a cover plate, and the bottom of the cover plate is provided with a mounting block adapted to the inside of the mounting groove, a positioning rod is installed on one side of the inside of the mounting groove, and a spring is sleeved on the outer wall of the positioning rod.

[0009] The technical solution provides an oil changing device for a hydraulic station, wherein a sliding block is installed on the outer wall of the positioning rod, and the outer wall of the sliding block is matched with the inner wall of the mounting groove.

[0010] The technical solution provides an oil changing device for a hydraulic station, wherein a sealing gasket adapted to the sealing ring inside the fixed box is installed at the bottom end of the cover plate.

[0011] Compared with the prior art, the utility model provides an oil changing device for a hydraulic station, which has the following beneficial effects:

[0012] 1. The utility model drives the screw rod to rotate through the motor, so that the screw rod drives the moving block to move on the outer wall of the guide rod, and then the scraper is hung on the inner wall of the oil tank to clean the impurities in the oil tank.

[0013] 2. The utility model cleans the impurities in the oil tank, and then transports the oil to the oil storage tank through the diaphragm oil pump on the top of the base, and opens the solenoid valve to transport the hydraulic oil to the filter tank, and filters it through the filter material at the filter screen, and then filters it through the filter membrane at the oil outlet, and then discharges it into the oil tank for circulation, so that the hydraulic oil in the oil tank can be replaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0015] Figure 2 It is a schematic diagram of a top view and a cross-sectional structure of a fixed box body and a cover plate of the utility model;

[0016] Figure 3 For the utility model Figure 1 A schematic diagram of the enlarged structure at point A;

[0017] Figure 4 For the utility model Figure 2 Schematic diagram of the enlarged structure at B.

[0018] In the figure: 1. base; 2. oil tank; 3. guide rod; 4. motor; 5. screw rod; 6. moving block; 7. scraper; 8. fixed box; 9. oil storage tank; 10. solenoid valve; 11. filter tank; 12. cover plate; 13. filter frame; 14. oil outlet; 15. filter screen; 16. filter material; 17. mounting groove; 18. mounting block; 19. sealing gasket; 20. positioning rod; 21. spring; 22. slider. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Embodiment 1, as Figure 1-2 As shown, the utility model provides a technical solution: an oil changing device for a hydraulic station, comprising a base 1 and an oil tank 2, the oil tank 2 is installed on the top of the base 1, and a cleaning mechanism is arranged inside the oil tank 2, the cleaning mechanism comprises a guide rod 3 and a motor 4, the oil tank 2 is installed inside the guide rod 3, the top of the oil tank 2 is arranged, and a screw rod 5 is installed at the output end of the motor 4, the outer wall of the screw rod 5 is provided with a moving block 6 penetrating the guide rod 3, and the outer wall of the moving block 6 is provided with a scraper 7 in contact with the inner wall of the oil tank 2, the motor 4 drives the screw rod 5 to rotate, so that the screw rod 5 drives the moving block 6 to move on the outer wall of the guide rod 3, and then the scraper 7 hangs on the inner wall of the oil tank 2, so that the impurities in the oil tank 2 are cleaned.

[0021] Embodiment 2, as Figure 1-4As shown, the utility model provides a technical solution: an oil changing device for a hydraulic station, comprising a fixed box body 8 installed on one side of the top of a base 1 close to the oil tank 2, and an oil storage tank 9 is provided inside the fixed box body 8, a solenoid valve 10 is installed on the top of the oil storage tank 9 on the outer wall of the fixed box body 8, a filter tank 11 is provided on the top of the fixed box body 8, and a mounting mechanism for fixing the position of the fixed box body 8 is provided on the top of the filter tank 11, a filter frame 13 for filtering is provided on the bottom of the mounting mechanism, and an oil outlet 14 is provided inside the filter frame 13, a filter membrane is provided inside the oil outlet 14, a plurality of filter screens 15 are installed inside the filter frame 13, and filter materials 16 are provided inside the filter screens 15, a diaphragm pump is provided on the top of the base 1, and the diaphragm pump input end is connected to the inside of the filter tank 11, and the diaphragm pump output end is connected to one side of the oil tank 2. The mounting mechanism includes a mounting groove 17 and a mounting block 18. The top of the fixed box body 8 is provided with a mounting groove 17. The top of the fixed box body 8 is hinged with a cover plate 12, and the bottom end of the cover plate 12 is provided with a mounting block 18 adapted to the inside of the mounting groove 17. A positioning rod 20 is installed on one side of the inside of the mounting groove 17, and a spring 21 is sleeved on the outer wall of the positioning rod 20. A slider 22 is installed on the outer wall of the positioning rod 20, and the outer wall of the slider 22 is adapted to the inner wall of the mounting groove 17. A sealing gasket 19 adapted to the sealing ring inside the fixed box body 8 is installed at the bottom end of the cover plate 12. The filter frame 13 is driven to be inserted into the filter screen 15 through the cover plate 12, and the filter material 16 is loaded into the filter screen 15. Then, the cover plate 12 drives the mounting block 18 to be inserted into the mounting groove 17, so that the positioning rod 20 is inserted into the mounting block 18, thereby fixing the position of the fixed box body 8 and the cover plate 12.

[0022] Working principle: First, turn on the external power supply, and the operator needs to clean the oil tank in the oil tank 2. Then, start the motor 4 to drive the screw rod 5 to rotate, so that the screw rod 5 drives the moving block 6 to move on the outer wall of the guide rod 3, and then the scraper 7 hangs on the inner wall of the oil tank 2 to clean the impurities in the oil tank 2, and then the diaphragm oil pump at the top of the base 1 is used to transport the oil to the oil storage tank 9, and the solenoid valve 10 is opened to transport the hydraulic oil to the filter tank 11, and the filter material 16 at the filter screen 15 is filtered respectively, and then the filter membrane at the oil outlet 14 is filtered, and then discharged into the oil tank 2 for circulation, so that the hydraulic oil in the oil tank 2 is replaced again;

[0023] When it is necessary to drive the filter frame 13 to be inserted into the filter screen 15 by the cover plate 12, the filter material 16 is loaded into the filter screen 15, and then, the cover plate 12 drives the mounting block 18 to be inserted into the mounting groove 17, so that the positioning rod 20 is inserted into the mounting block 18, thereby fixing the position of the fixed box body 8 and the cover plate 12.

[0024] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.

Claims

1. An oil changing device for a hydraulic station, comprising a base (1) and an oil tank (2), characterized in that: An oil tank (2) is installed at the top of the base (1), and a cleaning mechanism is arranged inside the oil tank (2); a fixed box (8) is installed on the side of the top of the base (1) close to the oil tank (2), and an oil storage tank (9) is provided inside the fixed box (8); a solenoid valve (10) is installed at the top of the oil storage tank (9) on the outer wall of the fixed box (8); a filter tank (11) is provided at the top of the fixed box (8), and a mounting mechanism for fixing the position of the fixed box (8) is arranged at the top of the filter tank (11). The mounting mechanism comprises a filter frame (13) for filtering, the bottom end of the mounting mechanism is provided with an oil outlet (14) in the filter frame (13), a filter membrane is provided in the oil outlet (14), a plurality of filter screens (15) are installed in the filter frame (13), and filter materials (16) are provided in the filter screens (15), a diaphragm pump is provided at the top end of the base (1), the input end of the diaphragm pump is connected to the inside of the filter tank (11), and the output end of the diaphragm pump is connected to one side of the oil tank (2).

2. The oil changing device of a hydraulic station according to claim 1, characterized in that: The cleaning mechanism comprises a guide rod (3) and a motor (4); the guide rod (3) is installed inside the oil tank (2); the motor (4) is arranged at the top of the oil tank (2); and a screw rod (5) is installed at the output end of the motor (4).

3. The oil changing device of a hydraulic station according to claim 2, characterized in that: The outer wall of the screw rod (5) is provided with a moving block (6) penetrating the guide rod (3), and the outer wall of the moving block (6) is provided with a scraper (7) in contact with the inner wall of the oil tank (2).

4. The oil changing device of a hydraulic station according to claim 1, characterized in that: The mounting mechanism comprises a mounting groove (17) and a mounting block (18); the top of the fixed box (8) is provided with the mounting groove (17); the top of the fixed box (8) is hinged with a cover plate (12); the bottom of the cover plate (12) is provided with a mounting block (18) adapted to the inside of the mounting groove (17); a positioning rod (20) is installed on one side of the inside of the mounting groove (17); and a spring (21) is sleeved on the outer wall of the positioning rod (20).

5. The oil changing device of a hydraulic station according to claim 4, characterized in that: A sliding block (22) is installed on the outer wall of the positioning rod (20), and the outer wall of the sliding block (22) is matched with the inner wall of the installation groove (17).

6. The oil changing device of a hydraulic station according to claim 4, characterized in that: A sealing gasket (19) adapted to the internal sealing ring of the fixed box body (8) is installed at the bottom end of the cover plate (12).

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