CN219673926U - Automatic switching device for turbine lubricating oil duplex oil filter - Google Patents

Abstract

The utility model relates to the field of duplex oil filters, in particular to an automatic switching device of a turbine lubricating oil duplex oil filter, which comprises a main filter, wherein an auxiliary filter is arranged on the right side of the main filter, an oil inlet valve and an oil outlet valve are arranged between the main filter and the auxiliary filter, the oil inlet valve is arranged on the upper side of the oil outlet valve, a first communicating pipe is communicated between the oil inlet valve and the auxiliary filter, and a second communicating pipe is communicated between the oil outlet valve and the auxiliary filter. According to the utility model, the switching mechanism is arranged, the motor is used for controlling transmission, so that the purpose of active switching is realized, and secondly, the oil inlet valve and the oil outlet valve are simpler and more convenient in structure, so that the convenience of overhaul is relatively improved, and the middle parts of the first communicating pipe, the second communicating pipe, the third communicating pipe and the fourth communicating pipe are respectively provided with the fixed valves convenient to detach, so that the whole equipment is not required to be detached when the filter is replaced, and the convenience of the equipment is relatively improved only by detaching corresponding pipelines.

Description

Automatic switching device for turbine lubricating oil duplex oil filter

Technical Field

The utility model relates to the technical field of duplex oil filters, in particular to an automatic switching device of a turbine lubricating oil duplex oil filter.

Background

The duplex filter is formed by connecting two stainless steel filters in parallel, has the advantages of novel and reasonable structure, good sealing performance, strong circulation capacity, simplicity and convenience in operation and the like, has wide application range and strong adaptability, is small in filter bag side leakage probability in the use process, can accurately ensure the filtering precision, can quickly replace the filter bag, basically has no material consumption in filtering, ensures that the operation cost is reduced, is generally arranged on oil station equipment, can filter lubricating oil provided for other oil utilization equipment by an oil station, and is mainly formed by connecting two single-cylinder oil filters with a six-way switching valve.

According to the existing patent (publication number: CN 216629969U) duplex oil filter switching device, switching oil outlets on two sides of a top three-way switching valve are connected with middle pipelines on a main filter and a standby filter, switching oil inlets on two sides of a bottom three-way switching valve are connected with bottom pipelines on the main filter and the standby filter, and the working conditions of the top three-way switching valve and the bottom three-way switching valve are controlled by rotating a switching rotating shaft, so that the influence of the distance between the top three-way switching valve and the bottom three-way switching valve is avoided, and only the whole length of the switching rotating shaft is required to be adjusted, so that the device is flexible and high in applicability;

according to the patent, the existing duplex filter mostly adopts the six-way switching valve, but the six-way switching valve has higher requirements on machining accuracy, the six-way switching valve has a complex structure, small internal space and more arranged parts, and is not easy to overhaul and clean, so that the manufacturing cost and the maintenance cost are increased.

Therefore, an automatic switching device of a turbine lubricating oil duplex oil filter is provided.

Disclosure of Invention

The utility model aims to provide an automatic switching device of a turbine lubricating oil duplex oil filter, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a steam turbine lubricating oil duplex oil filter automatic switching control equipment, includes the main filter, the right side of main filter is provided with vice filter, be provided with inlet valve and delivery valve between main filter and the vice filter, the inlet valve sets up the upside at the delivery valve, the intercommunication is equipped with communicating pipe one between inlet valve and the vice filter, the intercommunication is equipped with communicating pipe two between delivery valve and the vice filter, the intercommunication is equipped with communicating pipe three between inlet valve and the main filter, the intercommunication is equipped with communicating pipe four between delivery valve and the main filter, the rear side of inlet valve and delivery valve is provided with the fixed plate, communicating pipe one, communicating pipe two, communicating pipe three and communicating pipe four all with fixed plate fixed connection, the preceding terminal surface middle part fixed mounting of fixed plate has the motor, the front end of motor is provided with the output shaft, be provided with switching mechanism between output shaft and inlet valve, the delivery valve, the left side of motor is provided with lubrication mechanism, switching mechanism and lubrication mechanism all are connected with the output shaft transmission.

Further, the switching mechanism comprises a first gear fixedly arranged at the front end of the output shaft, the oil outlet valve and the oil inlet valve are both rotationally connected with a second gear, and the second gears are both meshed with the first gear.

Furthermore, the front end of the second gear is eccentrically provided with a communication port, and the second gear is closely attached to the first communication pipe and the second communication pipe.

Furthermore, the first communicating pipe, the second communicating pipe, the third communicating pipe and the fourth communicating pipe are all U-shaped, and the middle parts are all provided with fixed valves convenient to detach.

Further, the lubrication mechanism comprises a rotating shaft eccentrically arranged at the front end of the first gear, a sliding rail is sleeved on the outer side of the rotating shaft, and the rotating shaft is slidably connected in the sliding rail.

Further, a connecting column is fixedly arranged at the left end of the sliding rail, a connecting piece is fixedly arranged at the left end of the connecting column, and a piston plate is fixedly arranged at the left end of the connecting piece.

Further, a piston sleeve is sleeved on the outer side of the piston plate, the piston plate is connected inside the piston sleeve in a sliding mode, and the piston sleeve is fixedly connected with the fixing plate through a fixing block.

Further, the left end of the piston sleeve is communicated with an input pipe, the upper side and the lower side of the outer surface of the piston sleeve are both communicated with an output pipe, the other end of the output pipe is communicated with a spray head, and the spray head is arranged on the upper side of the gear I.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the switching mechanism is arranged, the motor is used for controlling transmission, so that the purpose of active switching is realized, and secondly, the oil inlet valve and the oil outlet valve are simpler and more convenient in structure, so that the convenience of maintenance is relatively improved;

2. according to the utility model, through the lubrication mechanism, the motor is used for starting to drive the output shaft to drive the switching mechanism and simultaneously drive the lubrication mechanism to drive, so that external lubricating oil is sucked into the piston sleeve and sprayed out from the spray head to lubricate the gear II, the phenomenon that the equipment is rusted for a long time and the filter cannot be switched normally is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is an overall structural view of the present utility model;

FIG. 2 is a cross-sectional view of the overall structure of the present utility model;

FIG. 3 is an enlarged schematic view of FIG. 2A in accordance with the present utility model;

FIG. 4 is an enlarged schematic view of the utility model at B in FIG. 2;

FIG. 5 is an enlarged schematic view of FIG. 2 at C in accordance with the present utility model;

FIG. 6 is a cross-sectional view of a piston sleeve of the present utility model;

fig. 7 is an enlarged schematic view of fig. 3D in accordance with the present utility model.

Reference numerals illustrate:

1. a main filter; 2. a secondary filter; 3. an oil inlet valve; 4. an oil outlet valve; 5. a first communicating pipe; 6. a second communicating pipe; 7. a third communicating pipe; 8. a fourth communicating pipe; 9. a fixing plate; 10. a motor; 11. an output shaft; 12. a first gear; 13. a second gear; 14. a communication port; 15. a rotating shaft; 16. a slide rail; 17. a connecting column; 18. a connecting piece; 19. a piston sleeve; 20. a piston plate; 21. an input tube; 22. an output pipe; 23. a spray head.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 7, the present utility model provides a technical solution:

an automatic switching device of a turbine lubricating oil duplex oil filter comprises a main filter 1, wherein an auxiliary filter 2 is arranged on the right side of the main filter 1, an oil inlet valve 3 and an oil outlet valve 4 are arranged between the main filter 1 and the auxiliary filter 2, the oil inlet valve 3 is arranged on the upper side of the oil outlet valve 4, a first communicating pipe 5 is communicated between the oil inlet valve 3 and the auxiliary filter 2, a second communicating pipe 6 is communicated between the oil outlet valve 4 and the auxiliary filter 2, a third communicating pipe 7 is communicated between the oil inlet valve 3 and the main filter 1, a fourth communicating pipe 8 is communicated between the oil outlet valve 4 and the main filter 1, a fixed plate 9 is arranged on the rear side of the oil inlet valve 3 and the oil outlet valve 4, the first communicating pipe 5, the second communicating pipe 6, the third communicating pipe 7 and the fourth communicating pipe 8 are fixedly connected with the fixed plate 9, a motor 10 is fixedly arranged in the middle of the front end face of the fixed plate 9, the front end of motor 10 is provided with output shaft 11, be provided with the shifter between output shaft 11 and oil feed valve 3, oil outlet valve 4, the left side of motor 10 is provided with lubricated mechanism, shifter and lubricated mechanism all are connected with the transmission of output shaft 11, shifter includes the front end fixed mounting's of output shaft 11 gear one 12, oil outlet valve 4 all rotates with the inside of oil feed valve 3 and is connected with gear two 13, two sets of gears two 13 all intermesh with gear one 12, communication port 14 has been seted up to the front end of gear two 13 is eccentric, gear two are hugged closely communicating pipe one 5 and are communicating pipe two 6 setting, communicating pipe one 5, communicating pipe two 6, communicating pipe three 7 and communicating pipe four 8 all are the U type setting, and the middle part all is provided with convenient to detach's fixed valve.

Through adopting above-mentioned technical scheme, current duplex filter mostly adopts six-way diverter valve, but six-way diverter valve is higher to the requirement of machining accuracy, and six-way diverter valve's structure is more complicated, the inner space is little, set up spare part more, difficult maintenance and clearance, thereby cause manufacturing cost and cost of maintenance's increase, therefore the utility model is through setting up the shifter mechanism, utilize motor 10 to control the transmission, thereby realize the purpose of initiative switching, secondly, oil feed valve 3 and oil outlet valve 4's structure is comparatively simple and convenient, the convenience of maintenance has been promoted relatively, and communicating pipe one 5, communicating pipe two 6, communicating pipe three 7 and communicating pipe four 8's middle part all are provided with the fixed valve of being convenient for dismantle, make when changing the filter need not to dismantle whole equipment, only need dismantle corresponding pipeline can, the convenience of equipment has been promoted relatively, and is specific: firstly, when the main filter 1 is required to be switched to the auxiliary filter 2, the motor 10 is started, the output shaft 11 of the motor 10 carries the gear I12 to rotate, the gear I12 is synchronously meshed with the gear II 13 in the oil inlet valve 3 and the oil outlet valve 4, therefore, when the gear I12 rotates, the two groups of gears II 13 are meshed and driven, the two groups of gears II 13 are synchronously rotated by one hundred eighty degrees, the communication port 14 on the gear II 13 in the oil inlet valve 3 is rotationally switched to the state of communicating with the communicating pipe I5 from the state of communicating with the communicating pipe III 7 originally, the oil inlet valve 3 is switched to the state of communicating with the auxiliary filter 2 through the communicating pipe I5, the communicating port 14 on the gear II 13 in the oil valve 4 is rotationally switched to the state of communicating with the communicating pipe II 6 from the state of the original communicating pipe IV 8, the oil outlet valve 4 is switched to the state of communicating with the auxiliary filter 2 through the communicating pipe II 6, the purpose of switching the main filter 1 to the auxiliary filter 2 is achieved, the communicating pipe I5, II 6, the middle 7 and the IV is conveniently detached from the corresponding filter is removed, and the whole filter can be detached.

As shown in fig. 3 to 5, the lubrication mechanism comprises a rotating shaft 15 eccentrically mounted at the front end of a gear one 12, a sliding rail 16 is sleeved on the outer side of the rotating shaft 15, the rotating shaft 15 is slidably connected inside the sliding rail 16, a connecting column 17 is fixedly mounted at the left end of the sliding rail 16, a connecting piece 18 is fixedly mounted at the left end of the connecting column 17, a piston plate 20 is fixedly mounted at the left end of the connecting piece 18, a piston sleeve 19 is sleeved on the outer side of the piston plate 20, the piston plate 20 is slidably connected inside the piston sleeve 19, the piston sleeve 19 is fixedly connected with the fixing plate 9 through a fixing block, an input pipe 21 is arranged at the left end of the piston sleeve 19 in a communicating manner, an output pipe 22 is arranged at the upper side and the lower side of the outer surface of the piston sleeve 19 in a communicating manner, a spray head 23 is arranged at the other end of the output pipe 22 in a communicating manner, and the spray head 23 is arranged at the upper side of the gear one 12.

Through adopting above-mentioned technical scheme, oil feed valve 3 and oil outlet valve 4 in gear two 13, after long-time use, receive the erosion easily, appear rusty phenomenon, it becomes difficult to cause gear two 13 rotation, serious more can cause gear two 13 unable rotatory condition of switching the filter to take place, therefore the utility model is through setting up lubrication mechanism, utilize motor 10 to start and make output shaft 11 drive lubrication mechanism carry out the transmission when switching the mechanism, thereby inhale the inside of piston sleeve 19 and spout from shower nozzle 23 with external lubricating oil, lubricate gear two 13, avoid equipment long-time operation rust, unable normal switching filter, specifically: when the output shaft 11 of the motor 10 carries the first gear 12 to rotate, the rotating shaft 15 eccentrically arranged at the front end of the first gear 12 eccentrically rotates with the same step, and the rotating shaft 15 is in sliding connection with the inside of the sliding rail 16, so that the sliding rail 16 carries the connecting post 17 and the connecting piece 18 to reciprocate under the eccentric acting force of the rotating shaft 15, further the piston plate 20 is pushed to reciprocate in the piston sleeve 19, when the piston plate 20 moves in the piston sleeve 19 to the right side, the one-way input valve in the input pipe 21 is opened, so that external lubricating oil is sucked into the piston sleeve 19 through the input pipe 21, when the piston plate 20 moves in the piston sleeve 19 to the left side, the one-way output valve in the output pipe 22 is opened, so that the lubricating oil in the piston sleeve 19 is discharged into the spray head 23 from the output pipe 22 and sprayed to the rotating gear two 13 from the spray head 23, and the lubricating effect is achieved on the gear two 13.

Working principle: when the main filter 1 is required to be switched to the auxiliary filter 2, the motor 10 is utilized to control the output shaft 11 to carry the gear I12 for rotation, when the gear I12 rotates, the two groups of gears II 13 are meshed for transmission, the two groups of gears II 13 synchronously rotate one hundred eighty degrees anticlockwise, thereby the purpose of active switching is achieved, secondly, the structure of the oil inlet valve 3 and the oil outlet valve 4 is simpler and more convenient, the maintenance convenience is relatively improved, and the middle parts of the communicating pipe I5, the communicating pipe II 6, the communicating pipe III 7 and the communicating pipe IV 8 are respectively provided with a fixed valve convenient for disassembly, so that the whole equipment is not required to be disassembled when the filter is replaced, only the corresponding pipelines are required to be disassembled, the convenience of the equipment is relatively improved, when the output shaft 11 of the motor 10 carries the gear I12 for rotation, the rotating shaft 15 eccentrically mounted at the front end of the gear I12 eccentrically rotates in the same step, the sliding rail 16 carries the connecting post 17 connecting piece 18 for reciprocating motion under the eccentric acting force of the rotating shaft 15, and further the piston plate 20 reciprocates in the piston sleeve 19, thereby the outside lubricating oil is sucked into the piston sleeve 19 and the interior of the gear II is prevented from being sprayed out of the filter 13 for normal operation, and rust of the filter is avoided, and long-time rust can not be avoided.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (8)

1. The utility model provides a steam turbine lubricating oil duplex oil filter automatic switching control equipment, includes main filter (1), the right side of main filter (1) is provided with auxiliary filter (2), its characterized in that: the oil inlet device is characterized in that an oil inlet valve (3) and an oil outlet valve (4) are arranged between the main filter (1) and the auxiliary filter (2), the oil inlet valve (3) is arranged on the upper side of the oil outlet valve (4), a first communicating pipe (5) is communicated between the oil inlet valve (3) and the auxiliary filter (2), a second communicating pipe (6) is communicated between the oil outlet valve (4) and the auxiliary filter (2), a third communicating pipe (7) is communicated between the oil inlet valve (3) and the main filter (1), a fourth communicating pipe (8) is communicated between the oil outlet valve (4) and the main filter (1), a fixed plate (9) is arranged on the rear side of the oil inlet valve (3) and the oil outlet valve (4), the first communicating pipe (5), the second communicating pipe (6), the third communicating pipe (7) and the fourth communicating pipe (8) are fixedly connected with the fixed plate (9), a motor (10) is fixedly arranged on the middle of the front end face of the fixed plate (9), an output shaft (11) is arranged at the front end of the motor (10), a switching mechanism (11) is arranged between the output shaft (11) and the oil inlet valve (3) and the oil outlet valve (4), the switching mechanism (10) and the left side of the motor is connected with the lubricating mechanism.

2. The automatic switching device for a turbine lubricating oil duplex oil filter according to claim 1, wherein: the switching mechanism comprises a first gear (12) fixedly mounted at the front end of an output shaft (11), a second gear (13) is rotatably connected inside the oil outlet valve (4) and the oil inlet valve (3), and the two groups of the second gears (13) are meshed with the first gear (12) mutually.

3. The automatic switching device for a turbine lubricating oil duplex oil filter according to claim 2, wherein: the front end of the gear II (13) is eccentrically provided with a communication port (14), and the gear II (13) is tightly attached to the first communicating pipe (5) and the second communicating pipe (6).

4. The automatic switching device for a turbine lubricating oil duplex oil filter according to claim 1, wherein: the first communicating pipe (5), the second communicating pipe (6), the third communicating pipe (7) and the fourth communicating pipe (8) are all U-shaped, and the middle parts are all provided with fixed valves convenient to detach.

5. The automatic switching device for a turbine lubricating oil duplex oil filter according to claim 1, wherein: the lubricating mechanism comprises a rotating shaft (15) eccentrically arranged at the front end of a gear I (12), a sliding rail (16) is sleeved on the outer side of the rotating shaft (15), and the rotating shaft (15) is slidably connected inside the sliding rail (16).

6. The automatic switching device for a turbine lubricating oil duplex oil filter according to claim 5, wherein: the left end of the sliding rail (16) is fixedly provided with a connecting column (17), the left end of the connecting column (17) is fixedly provided with a connecting piece (18), and the left end of the connecting piece (18) is fixedly provided with a piston plate (20).

7. The automatic switching device for a turbine lubricating oil duplex oil filter according to claim 6, wherein: the piston sleeve (19) is sleeved on the outer side of the piston plate (20), the piston plate (20) is slidably connected inside the piston sleeve (19), and the piston sleeve (19) is fixedly connected with the fixing plate (9) through a fixing block.

8. The automatic switching device for a turbine lubricating oil duplex oil filter according to claim 7, wherein: the left end intercommunication of piston sleeve (19) is equipped with input tube (21), the surface upside and the downside of piston sleeve (19) all communicate and are equipped with output tube (22), the other end intercommunication of output tube (22) is equipped with shower nozzle (23), shower nozzle (23) set up the upside at gear one (12).