CN108056147A - A kind of river snail processes cleaning device - Google Patents

A kind of river snail processes cleaning device Download PDF

Info

Publication number
CN108056147A
CN108056147A CN201810049457.XA CN201810049457A CN108056147A CN 108056147 A CN108056147 A CN 108056147A CN 201810049457 A CN201810049457 A CN 201810049457A CN 108056147 A CN108056147 A CN 108056147A
Authority
CN
China
Prior art keywords
cleaning
cleaning box
catch basin
river snail
fixing sleeve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201810049457.XA
Other languages
Chinese (zh)
Inventor
侯洁萍
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201810049457.XA priority Critical patent/CN108056147A/en
Publication of CN108056147A publication Critical patent/CN108056147A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A22BUTCHERING; MEAT TREATMENT; PROCESSING POULTRY OR FISH
    • A22CPROCESSING MEAT, POULTRY, OR FISH
    • A22C29/00Processing shellfish or bivalves, e.g. oysters, lobsters; Devices therefor, e.g. claw locks, claw crushers, grading devices; Processing lines
    • A22C29/02Processing shrimps, lobsters or the like ; Methods or machines for the shelling of shellfish
    • A22C29/021Cleaning operations on shellfish, e.g. evisceration, brushing

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Food Science & Technology (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Abstract

The invention discloses a kind of river snails to process cleaning device, including cleaning box, catch basin and rack, the rack is located at the side of catch basin, the top of the rack is equipped with top plate, the right end of the upper plane of the top plate is equipped with driving motor, the left end of the driving motor is connected with transmission shaft, driving cam and transmission helical gear are installed on the transmission shaft, the side of the driving cam is equipped with slide, sliding block is installed in the slide, the bottom of the sliding block is connected with motion bar, the centre position of the cleaning box is equipped with fixing sleeve, the fixing sleeve stretches into the inner cavity of cleaning box, the motion bar is threaded through in fixing sleeve and the bottom of motion bar is equipped with screen pack;The beneficial effects of the invention are as follows:Dirt deposits and floating class spot are effectively handled, by the flowing of current, are allowed to take cleaning box out of, reduce the spot residual rinsed every time.

Description

A kind of river snail processes cleaning device
Technical field
The present invention relates to a kind of food processing equipments, are specifically a kind of river snail processing cleaning device.
Background technology
River snail is easily entrained with water plant, mud, gravel and plastic garbage and broken fishing net after being salvaged in water Deng, and since the living environment of river snail causes to have depended on moss above river snail shell, the cleaning of river snail is a complexity Work.Conventional cleaning mode, river snail is put into roller, adds suitable water, under the driving of power, roller is with certain Speed rotate, river snail constantly rolls in roller, hits, so as to which silt is cleaned out.Although it has cleaning silt Function, but without remove other impurities ability, it is necessary to artificial pre-cleaning, inefficiency;In addition clean after dirty water and Silt still remains in drums inside, and cleaning is inconvenient;And the greasy dirt of water surface is swum in, usually it is infected with again on river snail, Precocity subsequent processing is difficult.
The content of the invention
It is an object of the invention to provide a kind of river snails to process cleaning device, to solve mentioned above in the background art ask Topic.
To achieve the above object, the present invention provides following technical solution:
A kind of river snail processes cleaning device, and including cleaning box, catch basin and rack, the rack is located at the side of catch basin Side, the top of the rack are equipped with top plate, and the right end of the upper plane of the top plate is equipped with driving motor, the driving motor Left end be connected with transmission shaft, be equipped on the transmission shaft driving cam and transmission helical gear, the side of the driving cam Equipped with slide, sliding block is installed in the slide, the bottom of the sliding block is connected with motion bar, the centre position of the cleaning box Fixing sleeve is installed, the fixing sleeve stretches into the inner cavity of cleaning box, and the motion bar is threaded through in fixing sleeve and activity The bottom of bar is equipped with screen pack, and pulley is mounted at left and right sides of the screen pack, the inner cavity of the cleaning box Left and right sidewall is equipped with sliding slot, and the pulley is separately mounted in corresponding sliding slot, and the screen pack includes fixed frame and net If the side of the web plate is connected equipped with arterial highway connecting spring with fixed frame, drive link is vertically equipped on the top plate for plate, The top of the drive link is equipped with driven helical gear, and the transmission helical gear is meshed with driven helical gear, the drive link Bottom transmission gear is installed, driven gear is installed on the fixing sleeve, the transmission gear is meshed with driven gear, Channel washer is mounted at left and right sides of the fixing sleeve, cleaning sleeve, the outer end of the channel washer are installed on the channel washer It is connected between the inner wall of cleaning sleeve equipped with resetting spring, the bottom of the cleaning box is equipped with impurity removal pipe, the impurity removal pipe The left and right sides be equipped with deflector, be located at the nozzle of the impurity removal pipe in catch basin and be equipped at the nozzle of impurity removal pipe Mesh bag, the catch basin is interior to be equipped with infusion pump, and woven hose, the end of the woven hose are connected at the liquid outlet of the infusion pump Through the top of cleaning box and spray equipment is connected with, the spray equipment is fixed on the upper plane of cleaning box cavity, described The bottom of spray equipment is equipped with several channel showerheads, and the upper end of the left side wall of the cleaning box is equipped with sewage discharge tube, the sewage discharge tube Side is connected with sewage outlet pipe, and the left side of the catch basin is equipped with filter chamber, and the end of the sewage outlet pipe is stretched into filter chamber, described The bottom of filter chamber is equipped with filter screen.
As further embodiment of the present invention:It is described clear if being equipped with arterial highway fixed column on the baseplane of the cleaning box Clean case is fixed on by fixed column on the baseplane of catch basin inner cavity.
As further embodiment of the present invention:It is connected between the transmission shaft and the motor shaft of driving motor by shaft coupling It connects.
As further embodiment of the present invention:The left end of the top plate is equipped with bearing, and the left end of the transmission shaft is fixed In bearing.
As further embodiment of the present invention:The side wall of the channel washer is equipped with limiting slot, and the inner wall of the cleaning sleeve is set There is limited block, the limited block is located in limiting slot.
As further embodiment of the present invention:The outer wall of the cleaning sleeve is equipped with Clean Brush for cleaning.
As further scheme of the invention:The top of the cleaning box is equipped with feeding mouth, the rear side of the cleaning box Equipped with discharge port.
Compared with prior art, the beneficial effects of the invention are as follows:By material put into cleaning box in, and by clear water put into In catch basin, it is driven by secondary gear and drives channel washer rotary operation, scrub cleaning, channel washer and cleaning sleeve are carried out to material Between be equipped with spring mechanism and connect so that activity space bigger during cleaning avoids cleaning dead angle, while the side wall of channel washer Equipped with limiting slot, the inner wall of the cleaning sleeve is equipped with limited block, and the limited block is located in limiting slot, then improves cleaning effect It does not influence simultaneously, stability during operation, avoids colliding with cleaning chamber interior wall;Drive activity while driving cam rotates Bar moves up and down, and then screen pack is driven to move up and down along sliding slot.Screen pack drives material to stir up and down, improves cleaning Effect;During cleaning, current circulate between cleaning box and catch basin, flushing repeatedly, have not only improved cleaning effect but also have saved Water source;During cleaning, flowing water drives impurity in sludge to be deposited in mesh bag, and the oils spot for swimming in surface layer is then conveyed by sewage discharge tube To filter chamber, dirt deposits and floating class spot are effectively handled, by the flowing of current, are allowed to take cleaning out of Case reduces the spot residual rinsed every time.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structure diagram of screen pack in the present invention.
Fig. 3 is the structure diagram of cleaning device in the present invention.
In figure:1- cleaning boxes, 2- catch basins, 3- racks, 4- top plates, 5- driving motors, 6- transmission shafts, 7- transmission helical teeth Wheel, 8- driving cams, 9- slides, 10- sliding blocks, 11- motion bars, 12- fixing sleeves, 13- screen packs, 14- sliding slots, 15- pulleys, 16- fixed frames, 17- web plates, 18- connecting springs, 19- drive links, the driven helical gears of 20-, 21- transmission gears, 22- driven tooths Wheel, 23- channel washers, 24- cleaning sleeves, 25- limiting slots, 26- limited blocks, 27- resetting springs, 28- Clean Brush for cleaning, 29- deflectors, 30- impurity removals pipe, 31- mesh bags, 32- infusion pumps, 33- woven hoses, 34- spray equipments, 35- sewage discharge tubes, 36- sewage outlet pipes, 37- filterings Chamber, 38- filter screens, 39- fixed columns.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work Embodiment belongs to the scope of protection of the invention.
Please refer to Fig.1~3, in the embodiment of the present invention, a kind of river snail processes cleaning device, including cleaning box 1, catch basin 2 With rack 3, if being equipped with arterial highway fixed column 39 on the baseplane of the cleaning box 1, the cleaning box 1 is fixed by fixed column 39 On the baseplane of 2 inner cavity of catch basin, the rack 3 is located at the side of catch basin 2, and the top of the rack 3 is equipped with top plate 4, the right end of the upper plane of the top plate 4 is equipped with driving motor 5, and the left end of the driving motor 5 is connected with transmission shaft 6, institute It states and driving cam 8 and transmission helical gear 7 is installed on transmission shaft 6, the side of the driving cam 8 is equipped with slide 9, the slide Sliding block 10 is installed, the bottom of the sliding block 10 is connected with motion bar 11, and the centre position of the cleaning box 1 is equipped with admittedly in 9 Surely 12 are covered, the fixing sleeve 12 stretches into the inner cavity of cleaning box 1, and the motion bar 11 is threaded through in fixing sleeve 12 and activity The bottom of bar 11 is equipped with screen pack 13, and the left and right sides of the screen pack 13 is mounted on pulley 15, the cleaning box 1 The left and right sidewall of inner cavity be equipped with sliding slot 14, the pulley 15 is separately mounted in corresponding sliding slot 14, the screen pack 13 include fixed frame 16 and web plate 17, if the side of the web plate 17 is connected equipped with arterial highway connecting spring 18 with fixed frame 16, Drive link 19 is vertically installed, the top of the drive link 19 is equipped with driven helical gear 20, and the transmission is oblique on the top plate 4 Gear 7 is meshed with driven helical gear 20, and the bottom of the drive link 19 is equipped with transmission gear 21, pacifies on the fixing sleeve 12 Equipped with driven gear 22, the transmission gear 21 is meshed with driven gear 22, and the left and right sides of the fixing sleeve 12 is respectively mounted There is channel washer 23, cleaning sleeve 24 is installed, the outer wall of the cleaning sleeve 24 is equipped with Clean Brush for cleaning 28, described on the channel washer 23 It is connected between the outer end of channel washer 23 and the inner wall of cleaning sleeve 24 equipped with resetting spring 27, the bottom installation of the cleaning box 1 There is impurity removal pipe 30, the left and right sides of the impurity removal pipe 30 is equipped with deflector 29, is located at water storage at the nozzle of the impurity removal pipe 30 Mesh bag 31 in slot 2 and at the nozzle of impurity removal pipe 30 is installed, infusion pump 32, the infusion pump 32 are equipped in the catch basin 2 Liquid outlet at be connected with woven hose 33, the end of the woven hose 33 through the top of cleaning box 1 and is connected with spray dress 34 are put, the spray equipment 34 is fixed on the upper plane of 1 inner cavity of cleaning box, if the bottom of the spray equipment 34 is sprayed equipped with arterial highway Head, the upper end of the left side wall of the cleaning box 1 are equipped with sewage discharge tube 35, and the side of the sewage discharge tube 35 is connected with sewage outlet pipe 36, institute The left side for stating catch basin 2 is equipped with filter chamber 37, and the end of the sewage outlet pipe 36 is stretched into filter chamber 37, the bottom of the filter chamber 37 End is equipped with filter screen 38, and the top of the cleaning box 1 is equipped with feeding mouth, and the rear side of the cleaning box 1 is equipped with discharge port.
The present invention operation principle be:Material is put into cleaning box 1, and clear water is put into catch basin 2, is infused Pump 32 inputs clear water to spray equipment 34, and operation is rinsed to material;Start driving motor 5, driving motor 5 passes through biography Moving axis 6 drives driving cam 8 and transmission helical gear 7 to rotate, and transmission helical gear 7 drives drive link 19 by driven helical gear 20 Rotation, drive link 19 drive driven gear 22 to rotate by transmission gear 21, then fixing sleeve 12 are driven to rotate so that channel washer 23 rotary operations carry out material scrub cleaning, and spring mechanism is equipped between channel washer 23 and cleaning sleeve 24 and is connected so that cleaning When activity space bigger, avoid cleaning dead angle, while the side wall of channel washer 23 be equipped with limiting slot 25, the cleaning sleeve 24 Inner wall is equipped with limited block 26, and the limited block 26 is located in limiting slot 25, then improve cleaning effect while does not influence, during operation Stability, avoid colliding with 1 inner wall of cleaning box;While driving cam 8 rotates motion bar 11 is driven to move up and down, into And screen pack 13 is driven to move up and down along sliding slot 15.Screen pack 13 drives material to stir up and down, improves cleaning performance;Clearly When washing, current circulate between cleaning box 1 and catch basin 2, and flushing repeatedly had not only improved cleaning effect but also saved water source; During cleaning, flowing water drives impurity in sludge to be deposited in mesh bag 31, and the oils spot for swimming in surface layer is then conveyed by sewage discharge tube 35 To filter chamber 37, dirt deposits and floating class spot are effectively handled, by the flowing of current, are allowed to take out of clear Clean case 1 reduces the spot residual rinsed every time.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned exemplary embodiment, Er Qie In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Profit requirement rather than above description limit, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims Variation is included within the present invention.Any reference numeral in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should Using specification as an entirety, the technical solutions in each embodiment can also be properly combined, forms those skilled in the art It is appreciated that other embodiment.

Claims (7)

1. a kind of river snail processes cleaning device, including cleaning box (1), catch basin (2) and rack (3), which is characterized in that the machine Frame (3) is located at the side of catch basin (2), and the top of the rack (3) is equipped with top plate (4), the upper plane of the top plate (4) Right end is equipped with driving motor (5), and the left end of the driving motor (5) is connected with transmission shaft (6), pacifies on the transmission shaft (6) Equipped with driving cam (8) and transmission helical gear (7), the side of the driving cam (8) is equipped with slide (9), and the slide (9) is interior Sliding block (10) is installed, the bottom of the sliding block (10) is connected with motion bar (11), the centre position installation of the cleaning box (1) There is fixing sleeve (12), the fixing sleeve (12) stretches into the inner cavity of cleaning box (1), and the motion bar (11) is threaded through fixing sleeve (12) in the and bottom of motion bar (11) is equipped with screen pack (13), is respectively mounted at left and right sides of the screen pack (13) There is pulley (15), the left and right sidewall of the inner cavity of the cleaning box (1) is equipped with sliding slot (14), and the pulley (15) is separately mounted to In corresponding sliding slot (14), the screen pack (13) includes fixed frame (16) and web plate (17), the side of the web plate (17) If being connected equipped with arterial highway connecting spring (18) with fixed frame (16), drive link (19), institute are vertically installed on the top plate (4) The top for stating drive link (19) is equipped with driven helical gear (20), and the transmission helical gear (7) is mutually nibbled with driven helical gear (20) It closes, the bottom of the drive link (19) is equipped with transmission gear (21), driven gear (22) is equipped on the fixing sleeve (12), The transmission gear (21) is meshed with driven gear (22), and channel washer is mounted at left and right sides of the fixing sleeve (12) (23), cleaning sleeve (24), the outer end of the channel washer (23) and the inner wall of cleaning sleeve (24) are installed on the channel washer (23) Between be connected equipped with resetting spring (27), the bottom of the cleaning box (1) is equipped with impurity removal pipe (30), the impurity removal pipe (30) The left and right sides be equipped with deflector (29), be located at the nozzle of the impurity removal pipe (30) in catch basin (2) and impurity removal pipe (30) mesh bag (31) at nozzle is installed, is equipped with infusion pump (32) in the catch basin (2), the infusion pump (32) goes out liquid Woven hose (33) is connected at mouthful, the end of the woven hose (33) through the top of cleaning box (1) and is connected with spray dress It puts (34), the spray equipment (34) is fixed on the upper plane of cleaning box (1) inner cavity, and the bottom of the spray equipment (34) is equipped with Several channel showerheads, the upper end of the left side wall of the cleaning box (1) are equipped with sewage discharge tube (35), and the side of the sewage discharge tube (35) connects There is sewage outlet pipe (36), the left side of the catch basin (2) is equipped with filter chamber (37), and filter chamber is stretched into the end of the sewage outlet pipe (36) (37) in, the bottom of the filter chamber (37) is equipped with filter screen (38).
2. river snail according to claim 1 processes cleaning device, which is characterized in that on the baseplane of the cleaning box (1) If being equipped with arterial highway fixed column (39), the cleaning box (1) is fixed on the baseplane of catch basin (2) inner cavity by fixed column (39) On.
3. river snail according to claim 1 processes cleaning device, which is characterized in that the transmission shaft (6) and driving motor (5) it is connected between motor shaft by shaft coupling.
4. river snail according to claim 1 processes cleaning device, which is characterized in that the left end of the top plate (4) is equipped with Bearing, the left end of the transmission shaft (6) are fixed in bearing.
5. river snail according to claim 1 processes cleaning device, which is characterized in that the side wall of the channel washer (23) is equipped with Limiting slot (25), the inner wall of the cleaning sleeve (24) are equipped with limited block (26), and the limited block (26) is located in limiting slot (25).
6. river snail according to claim 1 processes cleaning device, which is characterized in that the outer wall of the cleaning sleeve (24) is equipped with Clean Brush for cleaning (28).
7. river snail according to claim 1 processes cleaning device, which is characterized in that the top of the cleaning box (1) is equipped with Feeding mouth, the rear side of the cleaning box (1) are equipped with discharge port.
CN201810049457.XA 2018-01-18 2018-01-18 A kind of river snail processes cleaning device Withdrawn CN108056147A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810049457.XA CN108056147A (en) 2018-01-18 2018-01-18 A kind of river snail processes cleaning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810049457.XA CN108056147A (en) 2018-01-18 2018-01-18 A kind of river snail processes cleaning device

Publications (1)

Publication Number Publication Date
CN108056147A true CN108056147A (en) 2018-05-22

Family

ID=62141759

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810049457.XA Withdrawn CN108056147A (en) 2018-01-18 2018-01-18 A kind of river snail processes cleaning device

Country Status (1)

Country Link
CN (1) CN108056147A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108684804A (en) * 2018-06-28 2018-10-23 焦玉林 A kind of back and forth rock spits the razor clam cleaning plant that husky current scour promotes
CN108906771A (en) * 2018-07-06 2018-11-30 潘桢 A kind of components cleaning device that de-sludging is removed sand
CN112273424A (en) * 2020-09-28 2021-01-29 黄磊 Lobster cleaning equipment for aquaculture
CN112889900A (en) * 2021-01-22 2021-06-04 张加文 River snail shell cleaning device
CN114176111A (en) * 2021-11-23 2022-03-15 海南浙江大学研究院 Full-automatic pork belt cleaning device
CN114304013A (en) * 2021-12-16 2022-04-12 蓝文粉 River snail breeding equipment for biological breeding
WO2022088168A1 (en) * 2020-11-02 2022-05-05 唐山圣因海洋科技有限公司 Aquatic product cleaning and sorting device, and method thereof

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108684804A (en) * 2018-06-28 2018-10-23 焦玉林 A kind of back and forth rock spits the razor clam cleaning plant that husky current scour promotes
CN108684804B (en) * 2018-06-28 2020-10-30 瑞安市奥雅服饰有限公司 Reciprocating shaking and sand-spitting water flow scouring-promoted razor clam cleaning device
CN108906771A (en) * 2018-07-06 2018-11-30 潘桢 A kind of components cleaning device that de-sludging is removed sand
CN112273424A (en) * 2020-09-28 2021-01-29 黄磊 Lobster cleaning equipment for aquaculture
WO2022088168A1 (en) * 2020-11-02 2022-05-05 唐山圣因海洋科技有限公司 Aquatic product cleaning and sorting device, and method thereof
CN112889900A (en) * 2021-01-22 2021-06-04 张加文 River snail shell cleaning device
CN114176111A (en) * 2021-11-23 2022-03-15 海南浙江大学研究院 Full-automatic pork belt cleaning device
CN114304013A (en) * 2021-12-16 2022-04-12 蓝文粉 River snail breeding equipment for biological breeding

Similar Documents

Publication Publication Date Title
CN108056147A (en) A kind of river snail processes cleaning device
CN202154004U (en) Sweet potato cleaning device
CN106820201A (en) A kind of self-cleaning potato cleaning device
WO2019237612A1 (en) Economical rhizomatic agricultural product cleaning machine
CN107309204A (en) A kind of use for laboratory sandstone cleaning device
CN117983005B (en) Intelligent dust device in building construction site
CN107160590A (en) A kind of Waste plastic cleaning machine
CN109750649A (en) A kind of sundries cleaning device of garden landscape circulating water pool
CN218133632U (en) Sucker rod outer wall scale removal maintenance device
CN216911377U (en) Cleaning device for water supply and drainage pipeline
CN214808723U (en) Rural domestic sewage treatment device
CN214808961U (en) Solid-state filter with automatic cleaning function
CN212347930U (en) Rotary filtering type grid dirt remover
CN214399993U (en) Sewage treatment plant convenient to wash
CN111764362B (en) Pump station forebay is synthesized and is decontaminated equipment
CN210078993U (en) Defeated filter equipment that uses of collection
CN108041632A (en) A kind of sweet potato washing machine
CN113700129A (en) Sewage pipeline inner wall descaling device for municipal sewage treatment
CN107897979A (en) A kind of fruit sieves washer with automatic cleaning filtering function
CN206967786U (en) A kind of Waste plastic cleaning machine
CN112718678A (en) Waste iron slag cleaning device for internally forming ant nest
CN111318501A (en) Medicinal material cleaning machine
CN218458784U (en) Prevent blockking up high-efficient sewage treatment plant
CN216064504U (en) Purple chinese yam powder production is with raw materials belt cleaning device
CN217511363U (en) Municipal administration sewage treatment plant

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20180522