CN213206175U - Hydraulic pressure station convenient to filter hydraulic oil - Google Patents

Abstract

The utility model relates to a hydraulic pressure station convenient to filter hydraulic oil relates to the field of hydropneumatic equipment, and this application includes the hydraulic pressure station body, this body coupling of hydraulic pressure station has the cartridge filter, be equipped with the rotation piece in the cartridge filter, be equipped with the filter on the rotation piece, the baffle of fixedly connected with and filter intercrossing on the rotation piece, the lateral wall of baffle rotates the butt with the inner tube wall of cartridge filter, be connected with into oil pipe on the periphery wall of cartridge filter oil inlet side, be connected with out oil pipe on the periphery wall that the cartridge filter goes out oil survey, it is located the filter and keeps away from one side of advancing oil pipe to go out oil pipe, go out oil pipe and the oil feed end intercommunication of hydraulic pressure station body, the nozzle of cartridge filter is for getting the sediment mouth, be equipped with the. This application can also filter hydraulic oil in the clearance filter residue through setting up cartridge filter baffle, filter and rotating, and work efficiency is higher.

Description

Hydraulic pressure station convenient to filter hydraulic oil

Technical Field

The application relates to the field of hydraulic equipment, in particular to a hydraulic station convenient for filtering hydraulic oil.

Background

The hydraulic station is an electromechanical device which is used for providing lubrication and power for the mechanical operation of large and medium-sized industrial production; the hydraulic station is composed of a hydraulic pump, a motor for driving, an oil tank, a directional valve, a throttle valve, an overflow valve and the like, wherein the motor drives the hydraulic pump to rotate, the hydraulic pump pumps oil after absorbing oil from the oil tank, mechanical energy is converted into pressure energy of hydraulic oil, and the hydraulic oil is transmitted to an oil cylinder or an oil motor of the hydraulic machine through an external pipeline after realizing direction, pressure and flow regulation through valve combination, so that the direction change of the hydraulic machine, the strength and the speed of the hydraulic machine are controlled, and various hydraulic machines are pushed to do work.

Notice the chinese patent that is CN209100369U among the correlation technique, a hydraulic pressure station with hydraulic oil recovery function is disclosed, including the hydraulic pressure station main part, the collection box, rubber column and heat-conducting plate, four corners of hydraulic pressure station main part bottom all have welded the reinforcing plate, the bottom of reinforcing plate all is provided with first connecting plate, the top of hydraulic pressure station main part is provided with hydraulic pressure oil pipe, hydraulic pressure oil pipe's back fixed mounting has the heat-conducting plate, the inside in through-hole groove is provided with dry ice area, the inside top of collection box is provided with long-pending oil groove, the inside bottom of collection box is provided with handles the storehouse, the inside in handling the storehouse is provided with the filter screen, the bottom fixed mounting of collection box has the oil.

In view of the above-mentioned related technologies, the inventor believes that when the filter residue in the treatment bin is cleaned, the treatment bin needs to stop the filtering operation, and after the cleaning is completed, the hydraulic oil can be continuously filtered.

SUMMERY OF THE UTILITY MODEL

Can also filter hydraulic oil in order to clear up the filter residue, this application provides a hydraulic pressure station convenient to filter hydraulic oil.

The application provides a hydraulic pressure station convenient to filter hydraulic oil adopts following technical scheme:

the utility model provides a hydraulic pressure station convenient to filter hydraulic oil, includes the hydraulic pressure station body, this body coupling of hydraulic pressure station has the cartridge filter, be equipped with the rotation piece in the cartridge filter, be equipped with the filter on the rotation piece, the baffle of fixedly connected with and filter intercrossing on the rotation piece, the lateral wall of baffle rotates the butt with the inner wall of cartridge filter, be connected with the oil inlet pipe on the periphery wall of cartridge filter oil inlet side, be connected with out oil pipe on the periphery wall that the cartridge filter went out oil and survey, it is located the filter and keeps away from one side of advancing oil pipe to go out oil pipe, go out oil pipe and the oil inlet end intercommunication of hydraulic pressure station body, the nozzle of cartridge filter is for getting the sediment mouth, be equipped with.

By adopting the technical scheme, the filter cylinder is divided into two chambers by the baffle plate, the filter plate is positioned in the two chambers at the same time, hydraulic oil is filtered in one chamber after entering the filter cylinder, and at the moment, the plugging piece is operated, so that the slag taking port can be opened and filter slag in the other chamber can be cleaned; the operation rotates the piece, can change the cavity that hydraulic oil got into to can clear up the filter residue in two cavities in turn, have the effect that can also filter hydraulic oil when clearing up the filter residue.

Optionally, the shutoff piece includes the shutoff lid and two lids that slide, the end wall fixed connection of shutoff lid and cartridge filter, two the lid that slides all slides with the shutoff lid and is connected and be located the both sides of baffle, the one end of rotating the piece runs through the shutoff lid and rotates with the shutoff lid and be connected, be equipped with the restriction piece that is used for the fixed lid that slides on the shutoff lid.

By adopting the technical scheme, the sliding cover corresponding to the cavity which does not filter the hydraulic oil is opened, so that filter residues in the cavity can be cleaned, and meanwhile, the other sliding cover still blocks the cavity which filters the hydraulic oil, so that the two cavities do not influence each other when the filter residues are cleaned.

Optionally, the restriction piece includes restriction piece and inserted block, restriction piece fixed connection is on the roof of shutoff lid, the both ends of restriction piece all are equipped with the restriction groove, be equipped with the shrinkage pool on the roof of restriction piece, shrinkage pool and restriction pool intercommunication, sliding connection has the fixture block on the cell wall of shrinkage pool, inserted block fixed connection is on the roof of the lid that slides, the inserted block slides the butt with the cell wall of restriction pool, be equipped with the draw-in groove on the inserted block, the fixture block slides the butt with the cell wall of draw-in groove.

By adopting the technical scheme, the clamping block completely slides into the shrinkage groove, and the inserting block can slide on the groove wall of the limiting groove, so that the sliding cover can block or open the slag taking port; when the inserted block is inserted into the limiting groove, the clamping block slides out of the shrinkage groove and is inserted into the clamping groove, and then the sliding cover and the blocking cover are relatively fixed and block the slag taking opening, so that the sliding cover can be controlled to close or open the slag taking opening, and the influence on the slag filtering work is reduced.

Optionally, the rotating part includes a rotating shaft and a rotating frame, the rotating shaft and the rotating frame are located in the filter cartridge, one end of the rotating shaft penetrates through the blocking cover, a motor used for driving the rotating shaft is arranged on the blocking cover, the rotating frame is fixedly connected with the peripheral wall of the rotating shaft, the filter plate is connected with the rotating frame, the baffle plate is fixedly connected with the rotating shaft, and the side wall of the rotating frame is in rotational abutting connection with the inner cartridge wall of the filter cartridge.

Through adopting above-mentioned technical scheme, the motor can drive rotation axis and rotating turret and rotate, and filter and baffle follow the rotating turret synchronous rotation, and the baffle changes for advancing the position of oil pipe promptly to hydraulic oil gets into the different cavities in the cartridge filter, makes the cavity of baffle both sides filter hydraulic oil in turn.

Optionally, the filter includes first filter screen and second filter screen, first filter screen is located one side of baffle, the second filter screen is located the opposite side of baffle, be equipped with first spout and second spout on the rotating turret, first filter screen slides and inserts and establish on the cell wall of first spout, the second filter screen slides and inserts and establishes on the cell wall of second spout, first spout and second spout all with get the sediment mouth and communicate.

Through adopting above-mentioned technical scheme, opening and getting the cinder notch after, can pull out the cartridge filter with first filter screen or second filter screen, clean again and brush for first filter screen and second filter screen abluent cleaner.

Optionally, go out the oil pipe and include first exit tube and second exit tube, first exit tube and second exit tube are located the both sides of baffle, the oil feed end of hydraulic pressure station body is connected with the tee bend, the one end that the cartridge filter was kept away from to first exit tube and second exit tube all can be dismantled with the tee bend and be connected, all be equipped with out the oil control valve on the end wall that the tee bend is connected with first exit tube and second exit tube.

Through adopting above-mentioned technical scheme, hydraulic oil after the filtration flows in the tee bend through first exit tube or second exit tube, flows in hydraulic pressure station this internally from the tee bend again, before the clearance filter residue, can close the oily control valve that goes out that corresponds to with first exit tube or second exit tube and tee bend separation that will correspond, thereby reduce the influence of air to hydraulic pressure station body when wasing.

Optionally, first exit tube and second exit tube are close to the equal fixedly connected with intubate of tee bend one end, it is connected with the spiro to rotate on the periphery wall of intubate, tee bend fixedly connected with seat pipe, the butt is slided with the internal perisporium of seat pipe to the periphery wall of intubate, the internal perisporium of spiro and the periphery wall threaded connection of seat pipe.

By adopting the technical scheme, the spiral ring is rotated to separate the spiral ring from the seat tube, then the cannula is pulled out of the seat tube, and the first outlet tube and the second outlet tube are separated from the tee joint; the insert pipe is inserted into the seat pipe, the spiral ring is in threaded connection with the seat pipe, the first outlet pipe and the second outlet pipe are fixed relative to the tee joint, and therefore the first outlet pipe and the second outlet pipe are detachably connected with the tee joint.

Optionally, the cylinder wall of the filter cartridge is connected with a discharge assisting part, the discharge assisting part comprises a fan and an air pipe, the fan is installed on the peripheral wall of the filter cartridge, the fan is connected with one end of the air pipe, one end, far away from the fan, of the air pipe is connected with the peripheral wall of the filter cartridge, and the air pipe is provided with an air inlet valve.

By adopting the technical scheme, before the slag taking operation is carried out by opening the slag taking port, the corresponding oil outlet pipe is separated from the tee joint, and then the corresponding fan and the corresponding air inlet valve are opened to ventilate the filter cartridge; on the one hand, the hydraulic oil in the corresponding cavity of evacuation can be assisted, on the other hand, the gas in the cavity can be replaced, and the harm to operators caused by harmful gas after opening the slag taking port is reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

1. according to the hydraulic oil filter, the filter cylinder, the filter plate and the baffle are arranged, the filter plate and the baffle divide the interior of the filter cylinder into different chambers, the filter plate and the baffle can be rotated by arranging the rotating piece, and the chambers into which hydraulic oil enters are changed, so that other chambers are cleaned while the hydraulic oil is filtered;

2. according to the filter, the blocking cover and the two sliding covers are arranged, the two sliding covers correspond to the chambers on the two sides of the baffle, and when one chamber is opened to clean filter residues, the other chamber is still in a closed state, so that the two chambers are not influenced by each other;

3. this application is through setting up rotation axis and rotating turret to connect baffle and filter on the rotating turret, realized that baffle and filter rotate simultaneously, thereby realized that the cavity of baffle both sides filters hydraulic oil in turn.

Drawings

Fig. 1 is a schematic structural diagram of a hydraulic station for embodying an embodiment of the present application.

Fig. 2 is a schematic diagram of an internal structure of a hydraulic station for embodying the embodiment of the present application.

Fig. 3 is a schematic structural diagram of a rotating member according to an embodiment of the present application.

Fig. 4 is an enlarged view taken at a in fig. 3.

Fig. 5 is a schematic structural view of a filter cartridge and a fuel tank for embodying the embodiment of the present application.

Figure 6 is a top view of a closure member embodying embodiments of the present application.

Fig. 7 is a sectional view taken at B-B in fig. 6.

Fig. 8 is an enlarged view taken at C in fig. 7.

Fig. 9 is a plan view of a filter cartridge and a fuel tank for embodying the embodiment of the present application.

FIG. 10 is an exploded view of a tee embodying the present invention.

Fig. 11 is an enlarged view taken at D in fig. 9.

Description of reference numerals: 1. a hydraulic station body; 11. a tee joint; 111. an oil outlet control valve; 12. a seat tube; 13. a box door; 14. an oil tank; 2. a filter cartridge; 21. a slag taking port; 22. a first chamber; 23. a second chamber; 3. a rotating member; 31. a filter plate; 311. a first filter screen; 312. a second filter screen; 32. a baffle plate; 33. an oil inlet pipe; 34. an oil outlet pipe; 341. a first outlet pipe; 342. a second outlet pipe; 35. a rotating shaft; 36. a rotating frame; 361. a first chute; 362. a second chute; 37. inserting a tube; 371. smoothing the tube; 372. a threaded pipe; 38. a spiro ring; 4. a blocking member; 41. a blocking cover; 411. a motor; 412. a notch; 42. a sliding cover; 43. a limiting member; 431. a limiting block; 4311. a limiting groove; 4312. a contraction groove; 4313. a clamping block; 4314. a spring; 4315. a pull rod; 432. inserting a block; 4321. a card slot; 5. a drainage-assisting piece; 51. a fan; 52. an air tube; 521. an intake valve.

Detailed Description

The present application is described in further detail below with reference to figures 1-11.

The embodiment of the application discloses hydraulic pressure station convenient to filter hydraulic oil.

Referring to fig. 1 and 2, the hydraulic station convenient for filtering hydraulic oil comprises a hydraulic station body 1, a filter cartridge 2, an oil inlet pipe 33 and an oil outlet pipe 34, wherein a box door 13 is hinged on the side wall of the hydraulic station body 1, the filter cartridge 2 is fixedly installed inside the hydraulic station body 1 along the vertical direction, one end of the oil inlet pipe 33 is connected with the outer peripheral wall of the top end of the filter cartridge 2, and one end of the oil inlet pipe 33, which is far away from the filter cartridge 2, extends out of the hydraulic station body 1 and is connected with a hydraulic oil return pipe (not shown in the; the oil tank 14 is arranged in the hydraulic station body 1, and the oil outlet pipe 34 is connected between the filter cartridge 2 and the oil tank 14; the returned hydraulic oil enters the filter cartridge 2 along the oil inlet pipe 33 and is filtered, and the filtered hydraulic oil flows into the oil tank 14 along the oil outlet pipe 34.

Referring to fig. 3, a rotating member 3, a filter plate 31 and a baffle plate 32 are arranged in the filter cartridge 2, the rotating member 3 is rotatably connected with the filter cartridge 2, the filter plate 31 and the baffle plate 32 are both connected to the rotating member 3, the filter plate 31 and the baffle plate 32 are perpendicular to each other, the baffle plate 32 separates the interior of the filter cartridge 2 into a first chamber 22 and a second chamber 23 which are relatively independent, and the filter plate 31 is simultaneously inserted into the first chamber 22 and the second chamber 23.

After hydraulic oil got into cartridge filter 2 in, filter in first cavity 22 earlier, rotate 3 drive filter 31 and baffle 32 synchronous rotations of piece to first cavity 22 and second cavity 23 change for advancing the position of oil pipe 33, filter in hydraulic oil gets into second cavity 23, can clear up the filter residue in the first cavity 22 this moment, can also filter hydraulic oil when having realized the clearance filter residue.

Referring to fig. 3 and 4, the rotation member 3 includes a rotation shaft 35 and a turret 36, the rotation shaft 35 and the turret 36 are both located inside the filter cartridge 2, and a bottom end of the rotation shaft 35 is rotatably connected to an inner bottom wall of the filter cartridge 2; the rotating frame 36 is a square frame, the side wall of the rotating frame 36 is in sliding butt joint with the inner peripheral wall of the filter cylinder 2, the middle part of the rotating frame 36 is fixedly connected with the peripheral wall of the rotating shaft 35, the baffle 32 is fixedly connected with the side wall of the rotating frame 36 and is vertical to the rotating frame 36, and the filter plate 31 is detachably connected with the rotating frame 36 and is parallel to the rotating frame 36; the top end of the filter cylinder 2 is provided with a slag taking port 21, and the diameter of the slag taking port 21 is equal to the inner diameter of the filter cylinder 2.

The rotating shaft 35 and the turret 36 are rotated in synchronization so that the baffle 32 and the filter plates 31 follow the turret 36 to rotate in synchronization, thereby changing the positions of the first chamber 22 and the second chamber 23 with respect to the oil inlet pipe 33.

Referring to fig. 3 and 4, in order to take out the filter plate 31 for cleaning when cleaning the filter residue, in this embodiment, a first chute 361 and a second chute 362 are disposed on a side wall of the rotating frame 36, length directions of the first chute 361 and the second chute 362 both extend in a vertical direction, the first chute 361 is located in the first chamber 22 and communicated with the residue taking port 21, and the second chute 362 is located in the second chamber 23 and communicated with the residue taking port 21; the filter plate 31 includes a first filter screen 311 and a second filter screen 312, both the first filter screen 311 and the second filter screen 312 are square screen plates, the first filter screen 311 is slidably inserted into a groove wall of the first chute 361, and the second filter screen 312 is slidably inserted into a groove wall of the second chute 362.

When the filter residue is cleaned, when the first filter screen 311 filters the hydraulic oil, the second filter screen 312 can be pulled to slide in the second chute 362, and the second filter screen 312 is pulled out from the residue taking port 21 and then inserted into the second chute 362 after being cleaned; similarly, when the second screen 312 is filtering the hydraulic fluid, the first screen 311 may be removed and brushed.

Referring to fig. 3 and 5, a plugging member 4 is arranged on the end wall of the top end of the filter cartridge 2, the plugging member 4 includes a plugging cover 41 and two sliding covers 42, the bottom wall of the plugging cover 41 is fixedly connected with the end wall of the filter cartridge 2, two opposite notches 412 are arranged on the plugging cover 41, the notches 412 are fan-shaped, one of the two notches 412 is communicated with the first chamber 22, the other notch 412 is communicated with the second chamber 23, and the sliding covers 42 and the notches 412 have the same shape; the top end of the rotating shaft 35 penetrates through the blocking cover 41, a motor 411 is arranged on the top wall of the blocking cover 41, the outer wall of the motor 411 is fixedly connected with the top wall of the blocking cover 41, and the output shaft of the motor 411 is fixedly connected with the rotating shaft 35.

When different sliding covers 42 are pushed, the corresponding notches 412 can be opened, so that the first chamber 22 or the second chamber 23 can be opened, filter residues in the first chamber 22 or the second chamber 23 can be cleaned, and the motor 411 drives the rotating shaft 35 and the rotating frame 36 to rotate synchronously.

Referring to fig. 6, in order to reduce the random sliding of the sliding cover 42, the blocking cover 41 is provided with a limiting member 43 for fixing the sliding cover 42, the limiting member 43 includes a limiting block 431 and an insertion block 432, both the limiting block 431 and the insertion block 432 are rectangular, the limiting block 431 is fixedly installed on the top wall of the blocking cover 41, and the insertion block 432 is fixedly connected to the top wall of the sliding cover 42.

Referring to fig. 7 and 8, a limiting groove 4311 is provided on an end wall of the limiting block 431 facing the sliding cover 42, and a longitudinal direction of the limiting groove 4311 extends along a longitudinal direction of the limiting block 431; one end of the insertion block 432 is opposite to the restriction groove 4311; the sliding cover 42 is pushed to slide, and at the same time, the insertion block 432 moves synchronously with the sliding cover 42 and is inserted into the limiting groove 4311.

Referring to fig. 8, a top wall of the limiting block 431 is provided with a contraction groove 4312, a length direction of the contraction groove 4312 is perpendicular to a length direction of the limiting groove 4311, the contraction groove 4312 is communicated with the limiting groove 4311, a fixture block 4313 is slidably connected to a groove wall of the contraction groove 4312, the fixture block 4313 slides along the length direction of the contraction groove 4312, a spring 4314 is connected between a top end of the fixture block 4313 and an end wall of the contraction groove 4312, a pull rod 4315 is fixedly connected to a top end of the fixture block 4313, the pull rod 4315 penetrates through the top wall of the limiting block 431, a top wall of the inserting block 432 is provided with a clamp groove 4321, and a side, facing the inserting block 432.

When the inserting block 432 is inserted into the limiting groove 4311, the inserting block 432 is firstly abutted against the arc-shaped surface of the clamping block 4313, under the extrusion of the inserting block 432, the clamping block 4313 extrudes the spring 4314 and completely slides into the contraction groove 4312, so that the inserting block 432 can slide towards the limiting groove 4311, when the clamping groove 4321 is opposite to the contraction groove 4312, the clamping block 4313 slides into the clamping groove 4321 under the pushing of the spring 4314, the sliding of the inserting block 432 is limited, the relative fixing of the inserting block 432 and the limiting block 431 is realized, namely the sliding cover 42 and the fixed cover are relatively fixed; the pull rod 4315 is pulled, the fixture block 4313 and the pull rod 4315 move synchronously, and the fixture block 4313 is pulled into the shrinkage groove 4312 completely, so that the sliding cover 42 and the inserting block 432 can be pulled to slide.

Referring to fig. 9 and 10, in order to reduce the possibility that air enters the hydraulic station body 1 when filter residues are cleaned, a tee 11 and two oil outlet control valves 111 are provided in the embodiment, one end of the tee 11 is connected with an oil tank 14, and the oil outlet control valves 111 are fixedly installed at the other two ends of the tee 11; the oil outlet pipe 34 comprises a first outlet pipe 341 and a second outlet pipe 342, the first outlet pipe 341 and the second outlet pipe 342 are fixedly connected with the wall of the filter cylinder 2, the first outlet pipe 341 is communicated with the first chamber 22, one end of the first outlet pipe 341, which is far away from the filter cylinder 2, is detachably connected with one end of the three-way valve 11, which is provided with the oil outlet control valve 111, the second outlet pipe 342 is communicated with the second chamber 23, and one end of the second outlet pipe 342, which is far away from the filter cylinder 2, is detachably connected with the other end of the three-way valve 11, which is provided with the oil.

Before the sliding cover 42 is opened to clean filter residues in the first chamber 22, the oil outlet control valve 111 connected with the first outlet pipe 341 is closed, and the first outlet pipe 341 is separated from the tee joint 11, so that the first outlet pipe 341 is relatively isolated from the oil tank 14; before the filter residue in the second chamber 23 is cleaned, the second outlet pipe 342 can be relatively isolated from the oil tank 14.

Referring to fig. 10, in order to realize that the first outlet pipe 341 and the second outlet pipe 342 are detachably connected to the tee 11, the ends of the first outlet pipe 341 and the second outlet pipe 342, which are far away from the filter cartridge 2, are both fixedly connected with the insertion pipe 37, the insertion pipe 37 comprises a smooth pipe 371 and a threaded pipe 372, the outer peripheral wall of the smooth pipe 371 is smooth, the outer peripheral wall of the threaded pipe 372 is provided with threads, the first outlet pipe 341 and the second outlet pipe 342 are both fixedly connected with one end of the threaded pipe 372, and one end of the smooth pipe 371 is fixedly connected with the other end of the threaded pipe 372; the outer peripheral wall of the threaded pipe 372 is in threaded connection with a spiral ring 38, the two ends of the tee joint 11, which are provided with the oil outlet control valve 111, are fixedly connected with the seat pipe 12, and the outer peripheral wall of the seat pipe 12 is provided with threads.

Inserting one end of the smooth pipe 371 connected with the first outlet pipe 341, which is far away from the threaded pipe 372, into one end of the seat pipe 12, which is far away from the tee joint 11, then rotating the spiral ring 38, and connecting the spiral ring 38 with the seat pipe 12 and the threaded pipe 372 in a threaded manner at the same time, so that the first outlet pipe 341 and the tee joint 11 can be relatively fixed; the screw ring 38 is rotated reversely and separated from the seat tube 12, and the smooth tube 371 can be pulled out of the seat tube 12, so that the first outlet tube 341 can be detachably connected with the tee 11; the second outlet pipe 342 can be controlled to be fixed or separated from the tee 11.

Referring to fig. 11, in order to discharge the hydraulic oil in the filter cartridge 2 and replace the gas when cleaning the filter residue, the present embodiment is provided with two auxiliary discharging members 5, the two auxiliary discharging members 5 are both installed on the outer peripheral wall of the filter cartridge 2, the auxiliary discharging member 5 includes a fan 51 and an air pipe 52, the fan 51 is fixedly connected with the outer peripheral wall of the filter cartridge 2, one end of the air pipe 52 is fixedly connected with the fan 51, one end of the air pipe 52 far away from the fan 51 is fixedly connected with the outer peripheral wall of the filter cartridge 2, one air pipe 52 of the two auxiliary discharging members 5 is communicated with the first cavity 22, the other air pipe is communicated with the second cavity 23, and the two air pipes 52 are both provided.

When cleaning filter residues in the first chamber 22, before sliding the sliding cover 42 and opening the residue taking port 21, separating the first outlet pipe 341 from the tee joint 11, then opening the air inlet valve 521 on the air pipe 52 connected with the first chamber 22, starting the corresponding fan 51, and then blowing the fan 51 into the first chamber 22, so that the discharge of residual hydraulic oil in the first chamber 22 from the first outlet pipe 341 is accelerated, air in the first chamber 22 is replaced, and then opening the sliding cover 42 to clean the filter residues in the first chamber 22; similarly, before the filter residue in the second chamber 23 is cleaned, the hydraulic oil in the second chamber 23 can be discharged and the air can be replaced.

The implementation principle of the hydraulic station convenient for filtering hydraulic oil in the embodiment of the application is as follows: the returned hydraulic oil enters the first chamber 22 in the filter cartridge 2 along the oil inlet pipe 33, the oil outlet control valve 111 connected with the first outlet pipe 341 is opened, the hydraulic oil is filtered by the first filter screen 311 and then flows out of the filter cartridge 2 from the first outlet pipe 341, the hydraulic oil flows to the tee joint 11 along the first outlet pipe 341 and enters the oil tank 14 after passing through the oil outlet control valve 111.

When filter residues in the first chamber 22 need to be cleaned, the oil outlet control valve 111 connected with the second outlet pipe 342 is opened, then the motor 411 is started, the motor 411 drives the rotating shaft 35 to rotate 90 degrees, so that the rotating frame 36 and the baffle 32 also rotate 90 degrees, the first filter screen 311 and the second filter screen 312 synchronously rotate along with the rotating frame 36, the positions of the first chamber 22 and the second chamber 23 relative to the oil inlet pipe 33 are changed, and hydraulic oil flows into the second chamber 23.

After being filtered by the second filter screen 312 in the second chamber 23, the hydraulic oil flows into the oil tank 14 through the second outlet pipe 342, the oil outlet control valve 111 connected with the first outlet pipe 341 is closed, then the spiral ring 38 connected with the first outlet pipe 341 is rotated, the spiral ring 38 is separated from the seat pipe 12, then the smooth pipe 371 is pulled out of the seat pipe 12, and the first outlet pipe 341 is separated from the tee joint 11.

And then, the air inlet valve 521 on the air pipe 52 communicated with the first chamber 22 is opened, the corresponding fan 51 is started, then the fan 51 blows air into the first chamber 22, the hydraulic oil and the air in the first chamber 22 are discharged from the first outlet pipe 341, and after the hydraulic oil is exhausted, the fan 51 and the air inlet valve 521 are closed, so that the filter residue in the first chamber 22 can be cleaned.

When cleaning filter residues in the first chamber 22, firstly opening the sliding cover 42 above the first chamber 22; pulling the pull rod 4315 and pulling the fixture block 4313 into the contraction groove 4312 completely, then pulling the sliding cover 42 to slide, the insertion block 432 synchronously slides along the sliding cover 42 and is separated from the limiting block 431, pulling the sliding cover 42 out of the guide groove 413 completely, separating the sliding cover 42 from the blocking cover 41, opening the slag taking port 21 above the first chamber 22, and taking the filter slag in the first chamber 22 away from the slag taking port 21 for treatment.

Meanwhile, the first filter screen 311 is pulled to slide in the first sliding groove 361, the first filter screen 311 is completely pulled out of the first sliding groove 361, then the first filter screen 311 is taken out from the slag taking opening 21 for cleaning, the cleaned first filter screen 311 is inserted into the first sliding groove 361 again, and cleaning of filter residues in the first cavity 22 is completed.

Then, the sliding cover 42 is inserted into the guide groove 413 and pushes the sliding cover 42 to slide toward the blocking cover 41, meanwhile, the insertion block 432 is inserted into the limiting groove 4311, the insertion block 432 presses the latch 4313, the latch 4313 presses the spring 4314 and completely slides into the retraction groove 4312, when the latch 4321 is opposite to the retraction groove 4312, the spring 4314 pushes the latch 4313 to automatically slide into the latch 4321, and the sliding cover 42 and the blocking cover 41 are fixed relatively.

The insert tube 37 of the first outlet tube 341 is inserted into the seat tube 12, the screw ring 38 is rotated, and the screw ring 38 is simultaneously in threaded connection with the seat tube 12 and the threaded tube 372, so that the first outlet tube 341 is fixedly connected with the tee 11.

When the filter residue in the second chamber 23 needs to be cleaned, the oil outlet control valve 111 connected to the first outlet pipe 341 may be opened first, then the motor 411 is started to rotate in the reverse direction by 90 °, the first chamber 22 and the second chamber 23 are rotated back to the original positions, and then the filter residue in the second chamber 23 is cleaned by referring to the above steps.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a hydraulic pressure station convenient to filter hydraulic oil, includes hydraulic pressure station body (1), its characterized in that: the hydraulic station body (1) is connected with a filter cylinder (2), a rotating piece (3) is arranged in the filter cylinder (2), the rotating piece (3) is provided with a filter plate (31), the rotating piece (3) is fixedly connected with a baffle plate (32) which is mutually crossed with the filter plate (31), the side wall of the baffle plate (32) is rotationally abutted with the inner cylinder wall of the filter cylinder (2), the peripheral wall of the oil inlet side of the filter cylinder (2) is connected with an oil inlet pipe (33), an oil outlet pipe (34) is connected on the peripheral wall of the oil outlet side of the filter cylinder (2), the oil outlet pipe (34) is positioned on one side of the filter plate (31) far away from the oil inlet pipe (33), the oil outlet pipe (34) is communicated with the oil inlet end of the hydraulic station body (1), the barrel mouth of the filter barrel (2) is a slag taking port (21), and a plugging piece (4) used for plugging the slag taking port (21) is arranged on the wall of the filter cartridge (2).

2. The hydraulic station of claim 1, wherein: closure piece (4) slide lid (42) including closure lid (41) and two, the end wall fixed connection of closure lid (41) and cartridge filter (2), two slide lid (42) and closure lid (41) and slide and be connected and be located the both sides of baffle (32), the one end of rotating piece (3) runs through closure lid (41) and rotates with closure lid (41) and is connected, be equipped with restriction piece (43) that are used for the fixed lid (42) that slides on closure lid (41).

3. The hydraulic station of claim 2, wherein: the limiting part (43) comprises a limiting block (431) and an inserting block (432), the limiting block (431) is fixedly connected to the top wall of the blocking cover (41), limiting grooves (4311) are formed in the two ends of the limiting block (431), a shrinkage groove (4312) is formed in the top wall of the limiting block (431), the shrinkage groove (4312) is communicated with the limiting groove (4311), a clamping block (4313) is slidably connected to the groove wall of the shrinkage groove (4312), the inserting block (432) is fixedly connected to the top wall of the sliding cover (42), the inserting block (432) is in sliding connection with the groove wall of the limiting groove (4311), a clamping groove (4321) is formed in the inserting block (432), and the clamping block (4313) is in sliding connection with the groove wall of the clamping groove (4321).

4. The hydraulic station of claim 2, wherein: the rotating part (3) comprises a rotating shaft (35) and a rotating frame (36), the rotating shaft (35) and the rotating frame (36) are located in the filter cylinder (2), one end of the rotating shaft (35) penetrates through the blocking cover (41), a motor (411) used for driving the rotating shaft (35) is arranged on the blocking cover (41), the rotating frame (36) is fixedly connected with the peripheral wall of the rotating shaft (35), the filter plate (31) is connected with the rotating frame (36), the baffle plate (32) is fixedly connected with the rotating shaft (35), and the side wall of the rotating frame (36) is in rotating butt joint with the inner cylinder wall of the filter cylinder (2).

5. The hydraulic station of claim 4, wherein: the filter plate (31) comprises a first filter screen (311) and a second filter screen (312), the first filter screen (311) is located on one side of the baffle (32), the second filter screen (312) is located on the other side of the baffle (32), a first sliding groove (361) and a second sliding groove (362) are formed in the rotating frame (36), the first filter screen (311) slides and is inserted into the groove wall of the first sliding groove (361), the second filter screen (312) slides and is inserted into the groove wall of the second sliding groove (362), and the first sliding groove (361) and the second sliding groove (362) are communicated with the slag taking hole (21).

6. The hydraulic station of claim 1, wherein: go out oil pipe (34) and include first exit tube (341) and second exit tube (342), first exit tube (341) and second exit tube (342) are located the both sides of baffle (32), the oil feed end of hydraulic pressure station body (1) is connected with tee bend (11), the one end that cartridge filter (2) was kept away from in first exit tube (341) and second exit tube (342) all can be dismantled with tee bend (11) and be connected, all be equipped with out oil control valve (111) on tee bend (11) and the end wall that first exit tube (341) and second exit tube (342) are connected.

7. The hydraulic station of claim 6, wherein: first exit tube (341) and second exit tube (342) are close to equal fixedly connected with intubate (37) of one end of tee bend (11), it is connected with spiral ring (38) to rotate on the periphery wall of intubate (37), tee bend (11) fixedly connected with seat pipe (12), the butt is slided with the internal perisporium of seat pipe (12) to the periphery wall of intubate (37), the internal perisporium of spiral ring (38) and the periphery wall threaded connection of seat pipe (12).

8. The hydraulic station of claim 6, wherein: the filter cartridge is characterized in that a discharge assisting part (5) is connected to the cartridge wall of the filter cartridge (2), the discharge assisting part (5) comprises a fan (51) and an air pipe (52), the fan (51) is installed on the peripheral wall of the filter cartridge (2), the fan (51) is connected with one end of the air pipe (52), one end, far away from the fan (51), of the air pipe (52) is connected with the peripheral wall of the filter cartridge (2), and an air inlet valve (521) is arranged on the air pipe (52).

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