Impurity filtering device of hinge clamp hydraulic system

Abstract

The utility model discloses a hinge clamping hydraulic system impurity filtering device which comprises a base, a filtering barrel is arranged above the base, supporting legs are arranged on the outer walls of the two sides of the bottom of the filtering barrel, the bottom ends of the supporting legs are fixedly connected with the top end of the base, a wood fiber organic material filter element is arranged at the upper end in the filtering barrel, and a barrel cover is rotationally installed at the top end of the filtering barrel. A pressure meter is arranged on the outer wall of one side of the filter barrel, a liquid injection port is formed in one side of the top of the filter barrel, a liquid inlet pipe is arranged at the top end of the barrel cover, upper locking frames are arranged on the outer wall of the barrel cover at equal intervals, lower locking frames are arranged on the outer wall of the filter barrel below the upper locking frames, and nut seats are mounted on the inner walls of the lower locking frames. According to the utility model, the filtering barrel is easy to open and close, so that the convenience of the filtering device during maintenance is improved, the filtering effect of the filtering device on oil liquid during use is guaranteed, and the oil liquid can be sequentially discharged and collected at double stations, so that the oil discharging efficiency of the filtering device during use is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic systems, in particular to an impurity filtering device for an articulated truck hydraulic system. Background Art

[0002] In hydraulic systems, especially articulated truck hydraulic systems, due to the complex working environment, various impurities are easily mixed into the hydraulic oil, such as mechanical impurities, dust, metal powder, and colloid produced by oil oxidation and deterioration. These impurities will seriously damage the internal components of the system, such as hydraulic pumps and valves, as the hydraulic oil circulates, resulting in equipment performance degradation and even failure. Therefore, it is particularly important to develop an efficient and reliable impurity filtering device.

[0003] Reference announcement number CN214578092U is a hydraulic oil metal impurity filtering device and filtering system, which includes a main body, an enclosed filtering chamber inside the main body, and the filtering chamber is divided into two left and right sub-chambers by a vertical partition in the middle, and the bottoms of the two sub-chambers are connected; an input pipe and an output pipe are provided on the top cover of the top surface of the main body, and one end of the input pipe and the output pipe respectively extends into the left and right sub-chambers of the filtering chamber; a strong magnet is magnetically attracted at the bottom of the main body; when the hydraulic oil passes through the bottom of the main body, the strong magnet at the bottom of the main body attracts the metal solid particles in the hydraulic oil to the bottom surface of the filtering chamber, thereby achieving the filtering effect. According to the above, although the device can be well applied, it is usually not convenient to open and close the filtering container, and it is not easy to inspect and maintain the inside of the filtering container, which affects the convenience of device maintenance and needs to be improved. Utility Model Content

[0004] The purpose of the present utility model is to provide an impurity filtering device for an articulated truck hydraulic system, so as to solve the problem that although the device proposed in the above background technology can be well applied, it is usually not convenient to open and close the filter container, and it is not easy to inspect and maintain the inside of the filter container, which affects the convenience of device maintenance.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an impurity filtering device for an articulated hydraulic system, comprising a base, a filter barrel is provided above the base, legs are provided on the outer walls on both sides of the bottom of the filter barrel, the bottom ends of the legs are fixedly connected to the top of the base, a wood fiber organic material filter element is provided at the upper end of the interior of the filter barrel, a barrel cover is rotatably installed on the top of the filter barrel, a pressure gauge is provided on the outer wall of one side of the filter barrel, a liquid injection port is provided on one side of the top of the filter barrel, a liquid inlet pipe is provided on the top of the barrel cover, the liquid inlet pipe and the liquid injection port cooperate with each other, an upper locking frame with equal spacing is provided on the outer wall of the barrel cover, and the lower end of the upper locking frame A lower locking frame is provided on the outer wall of the square filter barrel, a nut seat is installed on the inner wall of the lower locking frame, and a locking bolt is threadedly installed on the top of the nut seat. A liquid outlet is provided at the center position of the bottom end of the filter barrel, and an infusion pump is installed on the top of the base on one side of the filter barrel, and a first infusion tube is installed at one end of the infusion pump, and the end of the first infusion tube away from the infusion pump is connected to the bottom end of the liquid outlet. A control panel is installed on the top of the base on the side of the filter barrel away from the infusion pump through a bracket, and the output end of the single-chip microcomputer inside the control panel is electrically connected to the input end of the infusion pump, and the input end of the single-chip microcomputer inside the control panel is electrically connected to the output end of the pressure gauge.

[0006] Preferably, a second infusion tube is installed at one end of the infusion pump away from the first infusion tube, and the end of the second infusion tube away from the infusion pump is connected to the outer wall of the upper end of the filter barrel. The second infusion tube is coordinated with the setting of the infusion pump to suck and transport the filtered oil inside the filter barrel.

[0007] Preferably, a drain pipe is provided on the outer wall of one side of the lower end of the second infusion tube, and a first solenoid valve is installed on the outer wall of the drain tube close to one end of the second infusion tube, and the input end of the first solenoid valve is electrically connected to the output end of the single-chip microcomputer inside the control panel, and a second solenoid valve is installed on the outer wall of the second infusion tube above the drain pipe, and the input end of the second solenoid valve is electrically connected to the output end of the single-chip microcomputer inside the control panel. The second solenoid valve and the first solenoid valve are arranged so as to open and close the second infusion tube and the drain tube.

[0008] Preferably, two limit rails are provided at the top of the base below the drain pipe, and both sides of the top of the limit rails are slidably connected to rail seats. The setting of the limit rails and the rail seats can limit the movement range of the mounting plate.

[0009] Preferably, two placement plates are provided above the limit rail, and the bottom ends of the placement plates are connected to the top ends of the rail seats. The placement plates are provided so as to facilitate placement of the liquid collecting barrel.

[0010] Preferably, a placement seat is provided on the top of the base on one side of the placement plate, and a telescopic driving member is installed on the outer wall of the placement seat. The input end of the telescopic driving member is electrically connected to the output end of the single-chip microcomputer inside the control panel, and one end of the telescopic driving member passes through the placement seat and is connected to the outer wall of the placement plate. The telescopic driving member is set to limit the movement range of the placement plate.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: the impurity filtering device for the hydraulic system of the articulated truck is not only easy to open and close the filter barrel, thereby improving the convenience of the maintenance of the filter device, but also ensuring the filtering effect of the oil when the filter device is in use, and can discharge and collect the oil in double stations in sequence, thereby improving the oil discharge efficiency when the filter device is in use;

[0012] (1) By turning the locking bolt, if the lower end of the locking bolt passes through the upper locking frame and is screwed into the nut seat, the barrel cover can be locked and closed on the top of the filter barrel. If the locking bolt is turned and its lower end is screwed out to the outside of the nut seat and the upper locking frame, the barrel cover can be rotated to open and close it on the top of the filter barrel. Since the filter barrel can be opened and closed easily, the convenience of maintaining the filter device is improved.

[0013] (2) By opening the valve on the outer wall of the liquid outlet, the infusion pump can deliver the filtered oil inside the filter barrel through the first infusion pipe. When the first solenoid valve is opened and the second solenoid valve is closed, the oil can be discharged from the second infusion pipe through the discharge pipe. If the quality of the discharged oil does not meet the expectations, the first solenoid valve can be closed and the second solenoid valve can be opened to allow the oil to flow back to the filter barrel through the top of the second infusion pipe for re-filtration. Since the oil can be filtered in multiple cycles, the filtering effect of the oil when the filter device is in use is guaranteed;

[0014] (3) The oil collecting barrel is placed on the top of the mounting plate, and then the mounting plate is driven by the telescopic driving member to move horizontally, so that the mounting plate drives the rail seat to slide on the top of the limit rail, so that the mounting plate drives the oil collecting barrel to move smoothly. Since there are two groups of mounting plates, the oil collecting barrels can be moved to the bottom of the drain pipe in turn, and the oil can be discharged and collected in turn at the double working position, thereby improving the oil discharge efficiency when the filtering device is used. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the top view of the component placement plate of the utility model;

[0017] Figure 3 This is a schematic diagram of the top view of the filter barrel of the utility model;

[0018] Figure 4 For this utility model Figure 3 Enlarged structural diagram at point A in the middle.

[0019] In the figure: 1. base; 2. filter barrel; 201. pressure gauge; 3. support leg; 4. wood fiber organic material filter element; 5. barrel cover; 6. liquid filling port; 7. control panel; 8. liquid outlet; 9. infusion pump; 10. first infusion pipe; 11. mounting plate; 12. limit rail; 13. second infusion pipe; 14. discharge pipe; 15. first solenoid valve; 16. second solenoid valve; 17. telescopic drive member; 18. rail seat; 19. mounting seat; 20. liquid inlet pipe; 21. upper locking frame; 22. lower locking frame; 23. nut seat; 24. locking bolt. DETAILED DESCRIPTION

[0020] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0021] See also Figure 1-4 The utility model provides an embodiment: an impurity filtering device for an articulated hydraulic system, comprising a base 1, a filter barrel 2 is provided above the base 1, legs 3 are provided on both sides of the outer wall of the bottom of the filter barrel 2, the bottom ends of the legs 3 are fixedly connected to the top of the base 1, a wood fiber organic material filter element 4 is provided at the upper end of the filter barrel 2, a barrel cover 5 is rotatably installed on the top of the filter barrel 2, a pressure gauge 201 is provided on the outer wall of one side of the filter barrel 2, a liquid injection port 6 is provided on one side of the top of the filter barrel 2, a liquid inlet pipe 20 is provided on the top of the barrel cover 5, and the liquid inlet pipe 20 is connected to the liquid injection port 6. Cooperating with each other, an upper locking frame 21 is provided on the outer wall of the barrel cover 5 at equal intervals, and a lower locking frame 22 is provided on the outer wall of the filter barrel 2 below the upper locking frame 21. A nut seat 23 is installed on the inner wall of the lower locking frame 22, and a locking bolt 24 is threadedly installed on the top of the nut seat 23. A liquid outlet 8 is provided at the center position of the bottom end of the filter barrel 2, and an infusion pump 9 is installed on the top of the base 1 on one side of the filter barrel 2. A second infusion tube 13 is installed at the end of the infusion pump 9 away from the first infusion tube 10, and the end of the second infusion tube 13 away from the infusion pump 9 is connected to the outer wall of the upper end of the filter barrel 2;

[0022] When in use, the infusion pump 9 is set to suck and transport the filtered oil inside the filter barrel 2;

[0023] A drainage pipe 14 is provided on one outer wall of the lower end of the second infusion pipe 13. Two limiting rails 12 are provided on the top of the base 1 below the drainage pipe 14. Both sides of the top of the limiting rails 12 are slidably connected to rail seats 18.

[0024] When in use, the limiting rail 12 and the rail seat 18 are arranged to limit the movement range of the mounting plate 11;

[0025] Two placement plates 11 are provided above the limit rail 12, and the bottom ends of the placement plates 11 are connected to the top ends of the rail seats 18;

[0026] When in use, the placement plate 11 is provided to facilitate placement of the liquid collecting barrel;

[0027] A mounting seat 19 is provided at the top of the base 1 on one side of the mounting plate 11. A telescopic drive member 17 is mounted on the outer wall of the mounting seat 19. The input end of the telescopic drive member 17 is electrically connected to the output end of the microcontroller inside the control panel 7. One end of the telescopic drive member 17 passes through the mounting seat 19 and is connected to the outer wall of the mounting plate 11.

[0028] When in use, the telescopic driving member 17 is arranged to limit the movement range of the mounting plate 11;

[0029] A first solenoid valve 15 is mounted on the outer wall of the drainage tube 14 near one end of the second infusion tube 13. The input end of the first solenoid valve 15 is electrically connected to the output end of the single-chip microcomputer inside the control panel 7. A second solenoid valve 16 is mounted on the outer wall of the second infusion tube 13 above the drainage tube 14. The input end of the second solenoid valve 16 is electrically connected to the output end of the single-chip microcomputer inside the control panel 7.

[0030] When in use, the second solenoid valve 16 and the first solenoid valve 15 are arranged so as to open and close the second infusion tube 13 and the drainage tube 14;

[0031] A first infusion tube 10 is installed at one end of the infusion pump 9, and the end of the first infusion tube 10 away from the infusion pump 9 is connected to the bottom end of the liquid outlet 8. A control panel 7 is installed on the top of the base 1 of the filter barrel 2 away from the infusion pump 9 through a bracket. The output end of the single-chip microcomputer inside the control panel 7 is electrically connected to the input end of the infusion pump 9, and the input end of the single-chip microcomputer inside the control panel 7 is electrically connected to the output end of the pressure meter 201.

[0032] When the embodiment of the present application is in use, the oil outlet end of the hydraulic system of the articulated truck is first connected to the injection port 6 by a pipeline, so that the oil containing impurities discharged by the hydraulic system passes through the injection port 6 and falls into the filter barrel 2 through the liquid inlet pipe 20, and the impurities in the oil can be filtered by the wood fiber organic material filter element 4, and the filtered oil falls into the lower end of the filter barrel 2. By opening the valve on the outer wall of the outlet port 8, the filtered oil inside the filter barrel 2 can be transported by the infusion pump 9 through the first infusion pipe 10. When the first solenoid valve 15 is opened and the second solenoid valve 16 is closed, the oil can be discharged from the second infusion pipe 13 through the drain pipe 14. If the quality of the discharged oil does not meet the expectations, the first solenoid valve 15 can be closed and the second solenoid valve 16 can be opened to allow the oil to flow back to the filter barrel 2 through the top of the second infusion pipe 13 for re-filtration, so as to perform multiple circulation filtration on the oil to ensure the filtering effect of the oil. After that, the oil collecting barrel is opened. The hopper 14 is then moved to the top of the filter barrel 2 by the telescopic driving member 17 , so that the hopper 14 drives the rail seat 18 to slide on the top of the limit rail 12 to ensure the stability of the hopper 11 when driving the oil collecting barrel. Since the hopper 14 is provided with two groups, the oil collecting barrel can be moved to the bottom of the drain pipe 14 in turn, and the discharged oil can be collected in turn in double stations. Finally, by tightening the locking bolt 24 , if the lower end of the locking bolt 24 passes through the upper locking frame 21 and is screwed into the nut seat 23 , the bucket cover 5 can be locked and closed on the top of the filter barrel 2 . If the locking bolt 24 is tightened and its lower end is screwed out to the outside of the nut seat 23 and the upper locking frame 21 , the bucket cover 5 can be rotated to open and close the top of the filter barrel 2 . The bucket cover 5 on the top of the filter barrel 2 is easy to open and close, so as to facilitate the cleaning and maintenance of the wood fiber organic material filter element 4 inside the filter barrel 2 , thereby completing the use of the filtering device.

Claims

1. An impurity filtering device for an articulated truck hydraulic system, characterized by: The invention comprises a base (1), a filter barrel (2) is provided above the base (1), legs (3) are provided on both sides of the outer wall of the bottom of the filter barrel (2), the bottom ends of the legs (3) are fixedly connected to the top of the base (1), a wood fiber organic material filter element (4) is provided at the upper end of the interior of the filter barrel (2), a barrel cover (5) is rotatably installed on the top of the filter barrel (2), a pressure gauge (201) is provided on the outer wall of one side of the filter barrel (2), a liquid injection port (6) is provided on one side of the top of the filter barrel (2), a liquid inlet pipe (20) is provided at the top of the barrel cover (5), the liquid inlet pipe (20) and the liquid injection port (6) cooperate with each other, upper locking frames (21) are provided on the outer wall of the barrel cover (5) at equal intervals, and lower locking frames (22) are provided on the outer wall of the filter barrel (2) below the upper locking frame (21). A nut seat (23) is installed on the inner wall of the lower locking frame (22), and a locking bolt (24) is threadedly installed on the top of the nut seat (23). A liquid outlet (8) is provided at the center position of the bottom end of the filter barrel (2). An infusion pump (9) is installed on the top of the base (1) on one side of the filter barrel (2), and a first infusion tube (10) is installed on one end of the infusion pump (9). The end of the first infusion tube (10) away from the infusion pump (9) is connected to the bottom end of the liquid outlet (8). A control panel (7) is installed on the top of the base (1) on the side of the filter barrel (2) away from the infusion pump (9) through a bracket. The output end of the single-chip microcomputer inside the control panel (7) is electrically connected to the input end of the infusion pump (9), and the input end of the single-chip microcomputer inside the control panel (7) is electrically connected to the output end of the pressure meter (201).

2. The impurity filtering device for an articulated truck hydraulic system according to claim 1, characterized in that: A second infusion tube (13) is installed at one end of the infusion pump (9) away from the first infusion tube (10), and the end of the second infusion tube (13) away from the infusion pump (9) is connected to the outer wall of the upper end of the filter barrel (2).

3. The impurity filtering device for an articulated truck hydraulic system according to claim 2, characterized in that: A drainage pipe (14) is provided on the outer wall of one side of the lower end of the second infusion pipe (13); a first electromagnetic valve (15) is installed on the outer wall of the drainage pipe (14) near one end of the second infusion pipe (13); the input end of the first electromagnetic valve (15) is electrically connected to the output end of the single chip microcomputer inside the control panel (7); a second electromagnetic valve (16) is installed on the outer wall of the second infusion pipe (13) above the drainage pipe (14); the input end of the second electromagnetic valve (16) is electrically connected to the output end of the single chip microcomputer inside the control panel (7).

4. The impurity filtering device for an articulated truck hydraulic system according to claim 1, characterized in that: Two limiting rails (12) are provided at the top of the base (1) below the drainage pipe (14), and both sides of the top of the limiting rails (12) are slidably connected to rail seats (18).

5. The impurity filtering device for an articulated truck hydraulic system according to claim 4, characterized in that: Two placement plates (11) are provided above the limiting rail (12), and the bottom ends of the placement plates (11) are connected to the top ends of the rail seats (18).

6. The impurity filtering device for an articulated truck hydraulic system according to claim 5, characterized in that: The top of the base (1) on one side of the placing plate (11) is provided with a placing seat (19), and a telescopic driving member (17) is installed on the outer wall of the placing seat (19). The input end of the telescopic driving member (17) is electrically connected to the output end of the single chip microcomputer inside the control panel (7), and one end of the telescopic driving member (17) passes through the placing seat (19) and is connected to the outer wall of the placing plate (11).

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