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Hoisting Mechini

Lisebelisoa tsa Encoder / Hoisting Machines

Encoder bakeng sa Mechini ea Ho Hoisting

Kesi ea ts'ebeliso ea taolo ea tokiso ea synchronous ea lisebelisoa tsa ho phahamisa menyako e kholo ea span e thehiloeng ho Canopen fieldbus.
ngoe.Tse khethehileng tsa lisebelisoa tsa ho phahamisa crane door:
Litlhoko tsa polokeho ea lisebelisoa tsa ho phahamisa crane menyako li ntse li hlahella le ho feta, mme mohopolo oa polokeho pele o ntse o fetoha oa bohlokoa le ho feta taolong.Ho ea ka melaoana, li-cranes tsa mamati a maholo a ka holimo ho limithara tse 40 li tlameha ho ba le taolo ea tokiso ea lipina tse peli ho thibela lipina tse peli tse ka letsohong le letšehali le le letona.Kotsi ea lebili la mochini oa lemati e theohile haholo mme e phunya pina kapa esita le litselana.Ka lebaka la litlhoko tsa polokeho, mabili a mabeli a le letšehali le a le letona a mochine oa monyako a hloka ho laoloa libakeng tse ngata.Maikutlo a ka tšeptjoang a lebelo, boemo le boitsebiso bo bong bo amana ka ho toba le polokeho le botšepehi ba taolo.Ntho e ikhethang ea tikoloho ea lisebelisoa tsa ho phahamisa crane e lekanya khetho ea li-sensor tsena tsa matšoao le phetisetso:
1. Sebakeng se rarahaneng sa ho sebetsa setšeng, li-frequency converters, li-motor tse kholo le mekhoa ea phepelo ea motlakase e phahameng le e tlaase, lithapo tsa matšoao li atisa ho hlophisoa hammoho le lithapo tsa motlakase, 'me ho kena-kenana le motlakase setšeng ho tebile haholo.
2. Ho tsamaea ha thepa, sebaka se selelele se tsamaeang, ho thata ho theola fatše.
3. Sebaka sa phetisetso ea mats'oao se telele, 'me polokeho le ts'epahalo ea data ea matšoao e phahame.
4. Taolo ea Synchronous e hloka phetisetso ea mats'oao e phahameng ea nako ea nnete le e tšepahalang.
5. Tse ngata tsa tsona li sebelisoa ka ntle, tse nang le litlhoko tse phahameng tsa boemo ba tšireletso le boemo ba mocheso, empa boemo bo tlaase ba koetliso ea basebetsi, le litlhoko tse phahameng tsa ho mamella lihlahisoa.
tse pedi.Bohlokoa ba boleng bo felletseng ba encoder ea multiturn ts'ebelisong ea lisebelisoa tsa ho phahamisa crane mamati:
Ho na le potentiometers, proximity switches, incremental encoder, single-turn absolute encoder, multi-turn absolute encoder, joalo-joalo ts'ebelisong ea li-sensor tsa boemo bakeng sa crane ea mamati.Ha ho bapisoa, ho tšepahala ha potentiometers ho tlaase , Ho nepahala ho fokolang, sebaka se shoeleng ka lehlakoreng la tšebeliso;Li-switches tse haufi, li-switch tsa ultrasonic, joalo-joalo ke matšoao a boemo bo le bong feela empa ha a tsoele pele;Letšoao le ntseng le eketseha la encoder le khahlanong le tšitiso le fokola, lets'oao le ke ke la fetisoa hole, 'me boemo ba ho felloa ke matla bo lahlehile;Mohaho o le mong oa encoder o ka sebetsa ka har'a likhato tse 360 ​​feela.Haeba angle ea tekanyo e atolosoa ka ho fetola lebelo, ho nepahala ho tla fokola.Haeba e sebelisoa ka ho toba ka selikalikoe se le seng ho finyella taolo ea li-multi-lap ka mohopolo, ka mor'a ho hloleha ha matla, e tla lahleheloa ke boemo ba eona ka lebaka la moea, ho thella kapa ho sisinyeha ha maiketsetso.Ke boleng bo felletseng ba encoder ea li-multi-turn feela e ka sebelisoang ka mokhoa o sireletsehileng lisebelisoa tsa mochini oa mamati.Ha e angoe ke jitter ea ho tima ha motlakase.E ka sebetsa ka libaka tse telele le tse fapa-fapaneng.Ka hare ho digitalization e feletseng, ho thibela ho kena-kenana, le pontšo le tsona li ka phethahala.Phetiso e sireletsehileng ea sebaka se selelele.Ka hona, ho ea ka pono ea polokeho ea lisebelisoa tsa ho phahamisa menyako, boleng bo felletseng ba encoder ea multi-turn ke khetho e ke keng ea qojoa.

Keletso ea kopo ea Canopen absolute encoder ka thepa ea ho phahamisa crane mamati
CAN-bus (ControllerAreaNetwork) ke marang-rang a sebaka sa taolo, e leng e 'ngoe ea libese tse bulehileng tse sebelisoang haholo lefatšeng.E le mokhoa oa ho laola puisano ea marang-rang ka theknoloji e tsoetseng pele, ho tšepahala ho phahameng, mesebetsi e feletseng le litšenyehelo tse utloahalang, CAN-bus e 'nile ea sebelisoa haholo mekhoeng e sa tšoaneng ea ho laola mechine.Ka mohlala, CAN-bese e na le melemo e ke keng ea bapisoa likarolong tse fapa-fapaneng tse kang lisebelisoa tsa elektronike tsa likoloi, mechine e ikemetseng, meaho e bohlale, tsamaiso ea matla, ts'ireletso ea ts'ireletso, likepe le likepe, taolo ea lifti, tšireletso ea mollo, lisebelisoa tsa bongaka, joalo-joalo, haholo-holo ha e le hona joale khanyeng.Can-Bus ke mokhoa o ratoang oa mats'oao bakeng sa liporo tsa lebelo le phahameng le phepelo ea matla a moea.CAN-bese e nts'etsopele le ho hlokomeloa ka theko e tlase, tšebeliso ea libese e phahameng, sebaka se selelele sa phetisetso (ho fihla ho 10Km), lebelo le phahameng la phetisetso (ho fihla ho 1Mbps), sebopeho se nang le likarolo tse ngata ho latela tse tlang pele, 'me se ka tšeptjoa Mokhoa oa ho lemoha liphoso le oa ho sebetsa o lefella ka botlalo ts'ebeliso ea libese e tlase ea marang-rang a RS-485, sebopeho sa makhoba a le mong, mme ha ho na bofokoli ba ho lemoha liphoso tsa Hardware, tse nolofalletsang basebelisi ho aha. mokhoa o tsitsitseng le o sebetsang oa taolo ea libese tšimong, o hlahisang boleng ba sebele bo boholo.Libakeng tse thata tsa ts'ebeliso tse joalo ka lisebelisoa tsa ho phahamisa, Can-bus e na le mokhoa o tšepahalang oa ho lemoha le ho sebetsa, 'me e ntse e khona ho fetisa data hantle tabeng ea tšitiso e matla le motheo o sa tšepahaleng, le ho itlhahloba ka phoso ea hardware, The Multi-master. seteishene se ka ba sa bohlokoa ho netefatsa polokeho ea lisebelisoa tsa taolo.
Canopen ke protocol e bulehileng e thehiloeng ho bese ea CAN-bese e laoloang ke CiA Association.E sebelisoa haholo indastering ea likoloi, mechini ea indasteri, meaho e bohlale, lisebelisoa tsa bongaka, mechini ea likepe, lisebelisoa tsa laboratori le masimo a lipatlisiso.Tlhaloso ea Canopen e lumella melaetsa hore e fetisoe ka khaso., E boetse e ts'ehetsa ho romella le ho amohela lintlha tsa ntlha-to-ntlha, 'me basebelisi ba ka etsa tsamaiso ea marang-rang, phetisetso ea data le ts'ebetso e meng ka buka ea mantsoe ea Canopen.Haholo-holo, Canopen e na le litšoaneleho tsa ts'ebeliso ea liteishene tse khahlano le tšitiso le li-multi-master station, tse ka etsang "backup" ea "master station" ea 'nete le ho hlokomela taolo e sireletsehileng.
Ha ho bapisoa le mefuta e meng ea matšoao, phetisetso ea data ea Canopen e tšepahala haholoanyane, e na le chelete e ngata ebile e bolokehile (tlaleho ea liphoso tsa lisebelisoa).Papiso ea litšoaneleho tsena le liphetho tse ling: Letšoao la parallel output - likarolo tse ngata tsa matla li senyeha habonolo, lithapo tse ngata tsa mantlha li robeha habonolo 'me theko ea cable e phahame;Pontšo ea SSI e bitsoang synchronous serial signal, ha sebaka se le telele kapa se sitisoa, pontšo Ho lieha ho entse hore oache le letšoao la data le se ke la hlola le lumellana, 'me ho qhoma ha data ho ile ha etsahala;Profibus-DP libese-grounding le litlhoko tsa cable li phahame haholo, litšenyehelo li phahame haholo, seteishene sa master ha se khethoe, 'me hang ha tsela ea ho hokahanya libese kapa seteishene se seholo se hlōleha, Baka ho holofala ha tsamaiso eohle joalo-joalo.Tšebeliso e ka holimo ea lisebelisoa tsa ho phahamisa ka linako tse ling e ka ba kotsi.Ka hona, ho ka boleloa hore letšoao la Canopen le tšepahala haholoanyane, le na le chelete e ngata ebile le sireletsehile ha le sebelisoa ho phahamisa thepa.
Gertech Canopen absolute encoder, ka lebaka la tlhahiso ea eona ea lebelo le phahameng, maemong a ts'ebetso, o ka seta boleng ba boemo bo felletseng ba encoder le boleng bo feto-fetohang ba lebelo ho tsoa hammoho, mohlala, li-byte tse peli tsa pele tse hlahisoang ke absolute Value angle (multiple). turns) boemo, byte ea boraro e hlahisa boleng ba lebelo, 'me byte ea bone e hlahisa boleng ba ho potlakisa (boikhethelo).Sena se thusa haholo ha lisebelisoa tsa ho phahamisa li sebelisa li-converter tsa maqhubu.Boleng ba lebelo bo ka ba joalo ka maikutlo a taolo ea lebelo la ho sokoloha khafetsa, mme boleng ba boemo bo ka sebelisoa e le taolo e nepahetseng ea maemo le taolo ea khokahano, 'me e ka ba le taolo e koetsoeng habeli ea lebelo le boemo, e le ho hlokomela boemo bo nepahetseng, ho hokahanya. taolo, ho paka anti-sway, taolo ea sebaka se bolokehileng, thibelo ea ho thulana, ts'ireletso ea lebelo la ts'ireletso, joalo-joalo, 'Me karolo e ikhethang ea Canopen e nang le likarolo tse ngata e ka hlokomela bekapo ea bosholu ba seteishene sa master sa molaoli ea amohelang.Li-parameter tsa "backup controller" li ka behoa ka morao ho molaoli ea ka sehloohong.Hang ha tsamaiso ea master controller e hlōleha, molaoli oa "backup" a ka nka ea ho qetela Tšireletso ea tšireletso le taolo ea lisebelisoa tsa ho phahamisa li ka phethahala.
Enjene e kholo ea lisebelisoa tsa ho phahamisa crane ea mamati e qala ebe e sebelisoa kantle.Mohala oa lets'oao la encoder o molelele, o lekanang le antenna e telele.Tšireletso ea ho phahama le ho feta ha lebelo la pontšo ea tšimo ke ea bohlokoa haholo.Nakong e fetileng, ho ne ho sebelisoa li-encoder tsa matšoao a tšoanang kapa li-encoder tse ntseng li eketseha., Ho na le lithapo tse ngata tsa mantlha tsa matšoao, 'me ts'ireletso ea surge overvoltage ea kanale e' ngoe le e 'ngoe e thata ho e fihlela (matla a ho phahama a hlahisoang ke ho qaleha ha koloi e kholo kapa ho otla ha lehalima),' me hangata lets'oao la encoder le na le ho chesa ha koung;mme lets'oao la SSI ke khokahano ea letoto la li-synchronous, joalo ka ho eketsa ts'ireletso ea maqhubu a Surge, ho lieha ha phetisetso ea matšoao ho senya khokahano mme lets'oao ha le tsitsa.Letšoao la Canopen ke phetiso e potlakileng ea asynchronous kapa e hasoang, e se nang tšusumetso e kholo ho kenngoeng ha mosireletsi oa surge.Ka hona, haeba encoder ea Canopen le molaoli ea amohelang li kenyellelitsoe ho ts'ireletso ea surge overvoltage, li ka sebelisoa ka mokhoa o sireletsehileng haholoanyane.
Molaoli oa Canopen PFC
Ka lebaka la tlhaho e tsoetseng pele le polokeho ea matšoao a Canopen, bahlahisi ba bangata ba PLC le bahlahisi ba taolo ba kentse li-interfaces tsa Canopen ho finyella taolo ea Canopen, e kang Schneider, GE, Beckhoff, B&R, joalo-joalo. , e kenyeletsang yuniti ea ka hare ea 32-bit CPU, pontšo ea kristale ea metsi le mochine oa mochine oa motho bakeng sa ho beha likonopo, 24-point switch I / O le multiple analog I / O, le karete ea memori ea 2G SD , ​​E ka rekota matla- on and shutdown, programme record records, e le ho hlokomela mosebetsi oa ho rekota oa black box, tlhahlobo ea ho hloleha le thibelo ea ts'ebetso e seng molaong ea basebetsi.
Ho tloha ka 2008, baetsi ba PLC ba lihlahisoa tse kholo tse tummeng ba sa tsoa eketsa sebopeho sa Canopen kapa ba rera ho eketsa sebopeho sa Canopen.Hore na o khetha PLC e nang le sebopeho sa Canopen kapa molaoli oa PFC o nang le Gertech, taolo e thehiloeng ho sebopeho sa Canopen e tla tlosoa.Tšebeliso ea thepa butle-butle e fetohile ntho e ka sehloohong.
hlano.Taba e tloaelehileng ea kopo
1. Tokiso ea ho kheloha ea synchronous bakeng sa koloi ea li-cranes tsa mamati-Li-encoder tse peli tsa Canopen tse nang le boleng bo bongata li lemoha ho lumellana ha mabili a letšehali le a ka ho le letona, 'me pontšo e hlahisoa ho molaoli oa sebopeho sa Canopen bakeng sa papiso ea ho lumellana ha PFC.Ka nako e ts'oanang, Canopen e feletseng ea boleng ba encoder e ka hlahisa maikutlo a lebelo ka nako e le 'ngoe , Ka molaoli ho fana ka taolo ea lebelo la inverter, ho lemoha tokiso e nyenyane ea ho kheloha, khalemelo e kholo ea ho kheloha, ho paka ho kheloha ho feta le lisebelisoa tse ling.
2. Tšireletso ea lebelo la ts'ireletso - Canopen absolute encoder e hlahisa boleng ba boemo le boleng ba lebelo ka nako e le 'ngoe (tlhahiso e tobileng ntle le lipalo tsa kantle), 'me e na le karabelo e potlakileng ts'ireletsong ea lebelo.
3. Taolo ea ts'ireletso ea ts'ireletso - U sebelisa karolo ea Canopen ea ho fokotsa mesebetsi e mengata, molaoli oa PFC201 e ka ba bekapo e sa hlokeng letho, 'me molaoli oa bobeli a ka eketsoa ho latela litlhoko tsa mosebelisi bakeng sa bekapo e bolokehileng.
4. Ts'ebetso ea rekoto ea ts'ireletso, molaoli oa PFC201 o na le karete ea memori ea 2G SD, e ka ngolang liketsahalo (lebokose le letšo) ho lemoha tlhahlobo ea ho hlōleha le ho thibela ts'ebetso e seng molaong ea basebetsi (ho hlahloba tlaleho ea polokeho), le ho finyella taolo e sireletsehileng.
5. Sebaka sa ho paka le se khahlanong le ho sisinyeha-Ka ho sebelisa boemo le litšoaneleho tsa tlhahiso ea lebelo la encoder e felletseng ea Canopen ka nako e le 'ngoe, e khona ho hlokomela taolo e habeli e koetsoeng ea sebaka sa ho paka le ho theola butle, ho ka emisang lebelo le lebelo ka nepo. , le ho fokotsa ho thekesela ha sebaka sa ho phahamisa ha u paka.
6. Kenyelletso e tloaelehileng ea ts'ebeliso:
Sebaka sa kaho sa Guangdong Zhongshan Sea-Crossing Bridge sebaka sa kaho se seholo sa span gantry crane hoisting lisebelisoa tsa khalemelo tse lumellanang, tse ka bang bolelele ba limithara tse 60, bophahamo ba crane bo fetang limithara tse 50, matšoao a mabeli a encoder ho cable ea taolo ea PFC bolelele ba limithara tse 180.Ka boikhethelo:
1. Canopen absolute multi-turn encoder—Gertech absolute multi-turn encoder, GMA-C Series CANopen Absolute Encoder, khetla ea boemo ba tšireletso IP67, shaft IP65;mocheso sehlopheng -25 likhato-80 likhato.
2. Canopen Controller—Gertch's Canopen-based controller: E ka sebelisoa eseng feela e le molaoli ea ka sehloohong, empa hape e le selaoli se se nang thuso sa bekapo.
3. Mosireletsi oa boema-kepe ba Canopen: SI-024TR1CO (oa khothaletsoa)
4. Cable ea letšoao la encoder: F600K0206

Romela Molaetsa

Ngola molaetsa wa hao mona mme o re romele wona

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