CN112371629B - Automatic cleaning device for hydraulic valve - Google Patents

Automatic cleaning device for hydraulic valve Download PDF

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Publication number
CN112371629B
CN112371629B CN202011130877.4A CN202011130877A CN112371629B CN 112371629 B CN112371629 B CN 112371629B CN 202011130877 A CN202011130877 A CN 202011130877A CN 112371629 B CN112371629 B CN 112371629B
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China
Prior art keywords
fixedly connected
sliding
cleaning device
shell
hydraulic valve
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CN202011130877.4A
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CN112371629A (en
Inventor
林作泉
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Dongying Haide New Materials Co ltd
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Wan Xiufen
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Publication of CN112371629A publication Critical patent/CN112371629A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/041—Cleaning travelling work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
    • B08B3/102—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration with means for agitating the liquid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Abstract

The invention discloses an automatic cleaning device for a hydraulic valve, which belongs to the technical field of hydraulic valves and comprises a shell, wherein the upper surface of the shell is movably connected with the left side surface of a cover plate through a pin shaft, four elastic devices are fixedly connected with the lower surface of the inner wall of the shell, the top ends of the four elastic devices are fixedly connected with the lower surface of the same movable plate, a first sliding groove is formed in the upper surface of the movable plate, and two first sliding blocks are slidably connected in the first sliding groove. This automatic cleaning device for hydraulic valve, through setting up the cam, second slider and first spring, make this belt cleaning device when using, only need the staff to place abluent hydrovalve in the casing, start drive equipment can wash the hydrovalve afterwards, and under the effect of piston plate and cam, accelerated the cleaning process of this belt cleaning device to the hydrovalve, ensured the cleaning performance of this belt cleaning device to the hydrovalve, make difficult for remaining impurity in the hydrovalve.

Description

Automatic cleaning device for hydraulic valve
Technical Field
The invention belongs to the technical field of hydraulic valves, and particularly relates to an automatic cleaning device for a hydraulic valve.
Background
The hydraulic valve is an automatic element operated by pressure oil, is controlled by the pressure oil of the pressure oil distribution valve, is usually combined with an electromagnetic pressure distribution valve for use, can be used for remotely controlling the on-off of oil, gas and water pipeline systems of hydropower stations, is usually used for clamping, controlling, lubricating and other oil circuits, has a direct-acting type and a pilot type, is multipurpose, is widely applied to the field of mechanical engineering, and can be used after being cleaned no matter a newly manufactured hydraulic valve block or an old valve block is overhauled, however, most of the existing hydraulic valves are difficult to completely clean equipment inside the hydraulic valve when being cleaned, so that more impurities are often remained in the hydraulic valve after drying and cleaning are finished, the cleaning effect is difficult to achieve, and the working efficiency of the hydraulic valve is easy to influence.
Disclosure of Invention
Technical problem to be solved
In order to overcome the defects in the prior art, the invention provides an automatic cleaning device for a hydraulic valve, which solves the problems that when most of the existing hydraulic valves are cleaned, the internal equipment of the hydraulic valve is difficult to clean completely, so that more impurities are always remained in the hydraulic valve after drying and cleaning are finished, the cleaning effect is difficult to achieve, and the working efficiency of the hydraulic valve is easily influenced.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: an automatic cleaning device for a hydraulic valve comprises a shell, wherein the upper surface of the shell is movably connected with the left side surface of a cover plate through a pin shaft, the lower surface of the inner wall of the shell is fixedly connected with four elastic devices, the top ends of the four elastic devices are fixedly connected with the lower surface of the same movable plate, the upper surface of the movable plate is provided with a first chute, the first chute is internally and slidably connected with two first sliding blocks, the upper surfaces of the two first sliding blocks are respectively and fixedly connected with the lower surfaces of two connecting plates, the far sides of the two connecting plates are respectively provided with a second chute, the two second chutes are respectively and slidably connected with second sliding blocks, the far sides of the two second sliding blocks are respectively and fixedly connected with one ends of the opposite surfaces of two sliding rods, the sliding rods are slidably connected in the sliding sleeves, and one side of the two sliding sleeves far away from the second sliding blocks is provided with a vent, the sliding sleeve penetrates through the shell through the ventilation opening to be communicated with one end of the connecting pipe, and the other end of the connecting pipe penetrates through the shell to be communicated with one end of the front face of the air inlet pipe;
one end of the sliding rod, which is far away from the second sliding block, is fixedly connected with a piston plate, one side face of the piston plate, which is far away from the sliding rod, is fixedly connected with one end of a second spring, the other end of the second spring is fixedly connected with one side face, which is far away from the sliding rod, of the inner wall of the sliding sleeve, and the upper surface and the lower surface of the sliding sleeve are both provided with vent holes;
the back surface of the shell is fixedly connected with the front surface of the supporting block, the back surface of the supporting block is fixedly connected with driving equipment, a driving shaft of the driving equipment is fixedly connected with the top end of a connecting shaft, and the bottom end of the connecting shaft is fixedly connected with the upper surface of the first gear;
the first gear is meshed with the second gear, the front face of the second gear is fixedly connected with a rotating rod, one end of the front face of the rotating rod penetrates through a pin shaft arranged on the front face of the inner wall of the shell and is fixedly connected with the inner wall of the cam, and the outer surface of the cam is in lap joint with the lower surface of the movable plate.
As a further scheme of the invention: the left side face and the right side face of the shell are fixedly connected with second sealing rings, the second sealing rings are sleeved on the outer surfaces of the corresponding connecting pipes, the left side face and the right side face of the inner wall of the shell are fixedly connected with first sealing rings, and the first sealing rings are sleeved on the outer surfaces of the corresponding connecting pipes.
As a further scheme of the invention: the cross sections of the second sliding groove and the second sliding block are both arranged in a T shape, and two valves are arranged on the front surface of the inner wall of the shell.
As a further scheme of the invention: the upper surface of apron and the right flank of casing all are provided with locking mechanism, the apron passes through locking mechanism and casing fixed connection.
As a further scheme of the invention: two ultrasonic vibration equipment of front fixedly connected with of shells inner wall, a plurality of venthole has been seted up to the upper surface of apron.
As a further scheme of the invention: the elastic device comprises a telescopic rod, a first spring is sleeved on the outer surface of the telescopic rod, the top end and the bottom end of the first spring are respectively fixedly connected with the lower surface of the movable plate and the lower surface of the inner wall of the shell, and the top end and the bottom end of the telescopic rod are respectively fixedly connected with the lower surface of the movable plate and the lower surface of the inner wall of the shell.
As a further scheme of the invention: the lower surface of the first gear is fixedly connected with a driving shaft of an exhaust pump, the output end of the exhaust pump is communicated with one end of the back of the air inlet pipe, and the first gear and the second gear are both bevel gears.
(III) advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
1. the automatic cleaning device for the hydraulic valve is characterized in that the cam, the movable plate, the first sliding block, the second sliding block and the first spring are arranged, when a worker starts the driving device, the movable plate can rapidly move up and down along with the rotation of the cam when the cam rotates, at the moment, the movable plate clamps the hydraulic valve, the hydraulic valve can also move up and down along with the movable plate when the movable plate moves up and down, and when gas in the sliding sleeve pushes the sliding rod to the right side of the vent hole, the gas can be discharged along the vent hole, so that the movement of cleaning liquid in the shell is accelerated, when the cleaning device is used, the worker only needs to place the hydraulic valve to be cleaned in the shell, then the hydraulic valve can be cleaned by starting the driving device, and under the action of the piston plate and the cam, the cleaning process of the cleaning device on the hydraulic valve is accelerated, and the cleaning effect of the cleaning device on the hydraulic valve is ensured, impurities are not easy to remain in the hydraulic valve.
2. The automatic cleaning device for the hydraulic valve is provided with the driving equipment, the exhaust pump and the slide bars, when a worker starts the driving equipment, the driving equipment drives the first gear and the second gear to rotate at a high speed through the connecting shaft, the first gear drives the exhaust pump to operate through the driving shaft of the exhaust pump in the rotating process, the exhaust pump discharges outside air into the air inlet pipe at the moment, the air inlet pipe injects the outside air into the two sliding sleeves, at the moment, the two piston plates move in opposite directions under the extrusion of the air due to the rapid rise of the air pressure in the sliding sleeves, so that the two slide bars are extruded to move in opposite directions, at the moment, the hydraulic valve is fixed by the two connecting plates, after the hydraulic valve is placed into the shell by the worker, the worker only needs to start the driving equipment, the cleaning device can fix the hydraulic valve, and the applicability of the cleaning device is improved, and made things convenient for the staff to use this belt cleaning device, the effectual position that has reduced this hydrovalve in the cleaning process changes, thereby reduced the hydrovalve and the inner wall collision of casing and the possibility that the damage appears.
3. This automatic cleaning device for hydraulic pressure valve through setting up first sealing washer and second sealing washer, when the staff started drive equipment and made the slide bar to the right side when removing, gaseous will discharge to the casing along the air vent, atmospheric pressure in the casing will change this moment, and first sealing washer and second sealing washer will effectually prevent that the washing liquid in the casing is difficult for spilling over to the external world, have reduced the possibility that the washing liquid runs off, and have reduced the pollution of this belt cleaning device to the environment.
Drawings
FIG. 1 is a schematic cross-sectional view of the front view of the present invention;
FIG. 2 is a schematic right-view structural diagram of the present invention;
FIG. 3 is an enlarged schematic view of the structure of the present invention at A;
FIG. 4 is an enlarged schematic view of the present invention at B;
FIG. 5 is a schematic cross-sectional view of a sliding sleeve according to the present invention;
FIG. 6 is a left side view of the movable plate of the present invention;
in the figure: the device comprises a shell 1, a pin shaft 2, a cover plate 3, an elastic device 4, a first spring 41, a telescopic rod 42, a movable plate 5, a first sliding groove 6, a first sliding block 7, a connecting plate 8, a second sliding block 9, a second sliding groove 10, a sliding rod 11, a sliding sleeve 12, a piston plate 13, a second spring 14, a ventilation opening 15, a first sealing ring 16, a connecting pipe 17, a second sealing ring 18, an air inlet pipe 19, a supporting block 20, a driving device 21, a connecting shaft 22, a first gear 23, a second gear 24, a rotating rod 25, a cam 26, a valve 27, an ultrasonic vibration device 28, a locking mechanism 29 and an exhaust pump 30.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
As shown in fig. 1 to 6, the present invention provides a technical solution: an automatic cleaning device for a hydraulic valve comprises a shell 1, wherein the upper surface of the shell 1 is movably connected with the left side surface of a cover plate 3 through a pin shaft 2, the lower surface of the inner wall of the shell 1 is fixedly connected with four elastic devices 4, the top ends of the four elastic devices 4 are fixedly connected with the lower surface of the same movable plate 5, the upper surface of the movable plate 5 is provided with a first chute 6, the first chute 6 is internally and slidably connected with two first sliders 7, the upper surfaces of the two first sliders 7 are respectively and fixedly connected with the lower surfaces of two connecting plates 8, the far sides of the two connecting plates 8 are respectively provided with a second chute 10, the two second chutes 10 are respectively and slidably connected with second sliders 9, the far sides of the two second sliders 9 are respectively and fixedly connected with one end of the opposite surfaces of two slide bars 11, the slide bars 11 are slidably connected in a slide sleeve 12, and the left side surface of the slide sleeve 12 is provided with a vent 15, sliding sleeve 12 passes casing 1 through vent 15 and is linked together with the right-hand member of connecting pipe 17, the other end of connecting pipe 17 passes casing 1 and is linked together with the positive one end of intake pipe 19, through setting up cam 26, second slider 9 and first spring 41, make this belt cleaning device when using, only need the staff to place abluent hydrovalve of needs in casing 1, it can wash the hydrovalve to start drive device 21 afterwards, and under piston plate 13 and cam 26's effect, the cleaning process of this belt cleaning device to the hydrovalve has been accelerated, the cleaning performance of this belt cleaning device to the hydrovalve has been ensured, make difficult for remaining impurity in the hydrovalve.
Specifically, as shown in fig. 1, a second sealing ring 18 is fixedly connected to the left side surface of the casing 1, the second sealing ring 18 is sleeved on the outer surface of the connecting pipe 17, a first sealing ring 16 is fixedly connected to the left side surface of the inner wall of the casing 1, the first sealing ring 16 is sleeved on the outer surface of the connecting pipe 17, the back surface of the casing 1 is fixedly connected to the front surface of the supporting block 20, due to the arrangement of the first sealing ring 16 and the second sealing ring 18, when a worker starts the driving device 21 to move the sliding rod 11 to the right side, gas is discharged into the casing 1 along the vent hole, at this time, the gas pressure in the casing 1 changes, and the first sealing ring 16 and the second sealing ring 18 effectively prevent the cleaning liquid in the casing 1 from easily overflowing to the outside, thereby reducing the possibility of loss of the cleaning liquid and reducing the pollution of the cleaning device to the environment, the back surface of the supporting block 20 is fixedly connected to the driving device 21, drive arrangement 21's drive shaft and connecting axle 22's top fixed connection, the bottom of connecting axle 22 and the last fixed surface of first gear 23 are connected, two ultrasonic vibration equipment 28 of positive fixedly connected with of casing 1 inner wall, a plurality of venthole has been seted up to the upper surface of apron 3, because of being provided with the venthole, when gas in the sliding sleeve 12 discharged to casing 1 in along the air vent, gaseous rebound when driving the interior washing liquid motion of casing 1, and discharge through the venthole, make casing 1 be difficult for appearing the damaged condition because of atmospheric pressure is too big, resilient means 4 includes telescopic link 42, first spring 41 has been cup jointed to telescopic link 42's surface, the top and the bottom of first spring 41 and telescopic link 42 respectively with the lower surface of fly leaf 5 and the lower fixed surface of casing 1 inner wall are connected.
Specifically, as shown in fig. 2 and 4, the first gear 23 is engaged with the second gear 24, the front surface of the second gear 24 is fixedly connected with the rotating rod 25, one end of the front surface of the rotating rod 25 penetrates through the pin shaft 2 arranged on the front surface of the inner wall of the housing 1 and is fixedly connected with the inner wall of the cam 26, and due to the arrangement of the cam 26 and the first spring 41, when the cam 26 rotates, the movable plate 5 can also rapidly move up and down along with the rotation of the cam 26, so that the applicability of the cleaning device is improved, the motion effect of internal equipment of the cleaning device is guaranteed, and the outer surface of the cam 26 is overlapped with the lower surface of the movable plate 5.
Specifically, as shown in fig. 1, the cross sections of the second chute 10 and the second slider 9 are both T-shaped, two valves 27 are disposed on the front surface of the inner wall of the housing 1, and because of the valves 27, when a worker needs to discharge the cleaning solution in the housing 1, the worker can conveniently clean the interior of the housing 1 by opening the valves 27, so that the applicability of the cleaning device is improved, the upper surface of the cover plate 3 and the right side surface of the housing 1 are both provided with the locking mechanisms 29, the cover plate 3 is fixedly connected with the housing 1 through the locking mechanisms 29, the left end of the slide bar 11 is fixedly connected with the piston plate 13, and because of the exhaust pump 30, after the worker puts the hydraulic valve into the housing 1, the worker can fix the hydraulic valve only by starting the driving device 21, so that the applicability of the cleaning device is improved, and the worker can conveniently use the cleaning device, the effectual position that has reduced this hydrovalve in the cleaning process changes, thereby it damages to have reduced the inner wall collision of hydrovalve and casing 1 to appear, the left surface of piston plate 13 and the right-hand member fixed connection of second spring 14, the left end of second spring 14 and the left surface fixed connection of sliding sleeve 12 inner wall, the air vent has all been seted up to the upper surface and the lower surface of sliding sleeve 12, the lower surface of first gear 23 and the drive shaft fixed connection of air discharge pump 30, the output of air discharge pump 30 is linked together with the one end at the intake pipe 19 back, first gear 23 and second gear 24 all set up to bevel gear.
The working principle of the invention is as follows:
s1, when the hydraulic valve cleaning device is used, a worker only needs to open the locking mechanism 29, then the worker can turn the cover plate 3, at the moment, the cover plate 3 can turn over along the pin shaft 2, then the worker can put the hydraulic valve to be cleaned into the shell 1 and place the hydraulic valve on the movable plate 5, and then the worker can start the driving device 21;
s2, when a worker starts the driving device 21, the driving device 21 drives the first gear 23 and the second gear 24 to rotate at a high speed through the connecting shaft 22, and in the rotating process of the first gear 23, the first gear 23 drives the exhaust pump 30 to operate through the driving shaft of the exhaust pump 30, at the moment, the exhaust pump 30 discharges outside air into the air inlet pipe 19, so that the air inlet pipe 19 injects the outside air into the two sliding sleeves 12, at the moment, because the air pressure in the sliding sleeves 12 rises rapidly, the two piston plates 13 move oppositely under the extrusion of the air, so that the two sliding rods 11 are extruded to move oppositely, and at the moment, the hydraulic valve is fixed by the two connecting plates 8;
s3, when the worker starts the driving device 21, the driving device 21 drives the second gear 24 to rotate at a high speed through the first gear 23, and the cam 26 is also driven by the rotating rod 25 to rotate rapidly while the second gear 24 rotates, because the first spring 41 pulls the movable plate 5 to move downward all the time under the action of its own elastic force, the lower surface of the movable plate 5 is always in contact with the surface of the cam 26, when the cam 26 rotates, the movable plate 5 also moves up and down rapidly along with the rotation of the cam 26, at this time, because the movable plate 5 holds the hydraulic valve, when the movable plate 5 moves up and down, the hydraulic valve also moves up and down along with the movable plate 5, and when the sliding rod 11 is pushed to the right side of the vent hole by the gas in the sliding sleeve 12, the gas is discharged along the vent hole, thereby accelerating the movement of the cleaning solution in the housing 1.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims (7)

1. The utility model provides a self-cleaning device for hydrovalve, includes casing (1), its characterized in that: the upper surface of the shell (1) is movably connected with the left side surface of the cover plate (3) through a pin shaft (2), the lower surface of the inner wall of the shell (1) is fixedly connected with four elastic devices (4), the top ends of the four elastic devices (4) are fixedly connected with the lower surface of the same movable plate (5), the upper surface of the movable plate (5) is provided with a first chute (6), the first chute (6) is connected with two first sliding blocks (7) in a sliding manner, the upper surfaces of the two first sliding blocks (7) are respectively fixedly connected with the lower surfaces of two connecting plates (8), the surfaces far away from the two connecting plates (8) are respectively provided with a second chute (10), the surfaces far away from the two second sliding blocks (9) are respectively connected with the second sliding blocks (9) in the two second chutes (10) in a sliding manner, and the surfaces far away from the two second sliding blocks (9) are respectively fixedly connected with one end of the opposite surfaces of the two sliding rods (11), the sliding rods (11) are connected in the sliding sleeves (12) in a sliding mode, one side faces, far away from the second sliding blocks (9), of the two sliding sleeves (12) are provided with ventilation openings (15), the sliding sleeves (12) penetrate through the shell (1) through the ventilation openings (15) to be communicated with one end of the connecting pipe (17), and the other end of the connecting pipe (17) penetrates through the shell (1) to be communicated with one end of the front face of the air inlet pipe (19);
one end, far away from the second sliding block (9), of the sliding rod (11) is fixedly connected with a piston plate (13), one side face, far away from the sliding rod (11), of the piston plate (13) is fixedly connected with one end of a second spring (14), the other end of the second spring (14) is fixedly connected with one side face, far away from the sliding rod (11), of the inner wall of the sliding sleeve (12), and the upper surface and the lower surface of the sliding sleeve (12) are both provided with vent holes;
the back surface of the shell (1) is fixedly connected with the front surface of the supporting block (20), the back surface of the supporting block (20) is fixedly connected with a driving device (21), a driving shaft of the driving device (21) is fixedly connected with the top end of a connecting shaft (22), and the bottom end of the connecting shaft (22) is fixedly connected with the upper surface of a first gear (23);
first gear (23) and second gear (24) mesh mutually, the positive fixedly connected with bull stick (25) of second gear (24), the positive one end of bull stick (25) is passed the round pin axle that casing (1) inner wall openly set up and is connected with the inner wall fixed connection of cam (26), the surface of cam (26) and the lower surface overlap joint of fly leaf (5).
2. The automatic cleaning device for a hydraulic valve according to claim 1, characterized in that: the left side face and the right side face of the shell (1) are fixedly connected with second sealing rings (18), the second sealing rings (18) are sleeved on the outer surfaces of the corresponding connecting pipes (17), the left side face and the right side face of the inner wall of the shell (1) are fixedly connected with first sealing rings (16), and the first sealing rings (16) are sleeved on the outer surfaces of the corresponding connecting pipes (17).
3. The automatic cleaning device for a hydraulic valve according to claim 1, characterized in that: the cross sections of the second sliding chute (10) and the second sliding block (9) are both arranged to be T-shaped, and two valves (27) are arranged on the front surface of the inner wall of the shell (1).
4. The automatic cleaning device for a hydraulic valve according to claim 1, characterized in that: the upper surface of apron (3) and the right flank of casing (1) all are provided with locking mechanism (29), apron (3) are through locking mechanism (29) and casing (1) fixed connection.
5. The automatic cleaning device for a hydraulic valve according to claim 1, characterized in that: two ultrasonic vibration equipment (28) are fixedly connected to the front surface of the inner wall of the shell (1), and a plurality of air outlets are formed in the upper surface of the cover plate (3).
6. The automatic cleaning device for a hydraulic valve according to claim 1, characterized in that: elastic device (4) include telescopic link (42), first spring (41) have been cup jointed to the surface of telescopic link (42), the top and the bottom of first spring (41) respectively with the lower surface of fly leaf (5) and the lower fixed surface of casing (1) inner wall be connected, the top and the bottom of telescopic link (42) respectively with the lower surface of fly leaf (5) and the lower fixed surface of casing (1) inner wall be connected.
7. The automatic cleaning device for a hydraulic valve according to claim 1, characterized in that: the lower surface of the first gear (23) is fixedly connected with a driving shaft of an exhaust pump (30), the output end of the exhaust pump (30) is communicated with one end of the back surface of the air inlet pipe (19), and the first gear (23) and the second gear (24) are both bevel gears.
CN202011130877.4A 2020-10-21 2020-10-21 Automatic cleaning device for hydraulic valve Active CN112371629B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011130877.4A CN112371629B (en) 2020-10-21 2020-10-21 Automatic cleaning device for hydraulic valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011130877.4A CN112371629B (en) 2020-10-21 2020-10-21 Automatic cleaning device for hydraulic valve

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Publication Number Publication Date
CN112371629A CN112371629A (en) 2021-02-19
CN112371629B true CN112371629B (en) 2021-11-16

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CN113894085A (en) * 2021-09-28 2022-01-07 温州大学激光与光电智能制造研究院 Centrifugal vibration device for tea leaf cleaning

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CN206661776U (en) * 2017-04-06 2017-11-24 江西鑫固电气有限公司 A kind of switch cubicle aluminium busbar making flushing device
JP3214603U (en) * 2017-11-09 2018-01-25 深セン市共進機械科技有限公司 Ultrasonic multi-station drum cleaning equipment
CN208661901U (en) * 2018-06-10 2019-03-29 南充同俊机械制造有限公司 A kind of cleaning tooling in engine cylinder body processing
CN109201635A (en) * 2018-09-14 2019-01-15 于萍 A kind of child care tool cleaning and sterilizing equipment
CN209238552U (en) * 2018-11-28 2019-08-13 奉节县若碧蔬菜种植专业合作社 A kind of agricultural product cleaning device
CN210304796U (en) * 2019-07-30 2020-04-14 合肥惠嘉耐火材料有限公司 Cleaning equipment for refractory material production

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