1. Akụkọ nke gburugburu njikọ njikọ maka Ngwuputa
Site na mmụba na-arịwanye elu maka ike coal na akụ na ụba ụwa, igwe na-egwupụta coal etolitela ngwa ngwa. Dị ka akụrụngwa bụ isi nke ngwungwu coal mechanized zuru oke n'ebe a na-egwupụta coal, akụrụngwa na-ebufe ihe na-ebufe scraper amalitela ngwa ngwa. N'echiche, mmepe nke scraper conveyor na-adabere na mmepe nkeNgwuputa elu-ike gburugburu njikọ njikọ. Ngwuputa ahịrị njikọ okirikiri gbara agba dị elu bụ akụkụ bụ isi nke ebufe ihe nchacha agbụ n'ime ogbunigwe. Ogo ya na arụmọrụ ya ga-na-emetụta kpọmkwem ọrụ arụmọrụ nke akụrụngwa na mmepụta coal nke m.
The mmepe nke Ngwuputa elu-ike gburugburu njikọ yinye tumadi gụnyere ndị na-esonụ akụkụ: mmepe nke ígwè maka Ngwuputa gburugburu njikọ yinye, mmepe nke yinye okpomọkụ ọgwụgwọ technology, njikarịcha nke gburugburu ígwè njikọ yinye size na udi, dị iche iche yinye imewe na mmepe nke yinye ime teknụzụ. N'ihi na ndị a mmepe, na n'ibu Njirimara na ntụkwasị obi nkeNgwuputa gburugburu njikọ njikọemela nke ukwuu. Nkọwapụta na akụrụngwa nke yinye nke ụfọdụ ụlọ ọrụ na-emepụta yinye dị elu n'ụwa agafeela ọkọlọtọ German DIN 22252 nke a na-ejikarị n'ụwa.
Nchara nke mbụ dị ala maka ịgbanye ụdọ njikọ njikọ na mba ofesi bụ ọtụtụ carbon manganese steel, nwere ọdịnaya carbon dị ala, ọdịnaya alloy dị ala, ike siri ike, na dayameta yinye <ø 19mm. Na 1970s, manganese nickel chromium molybdenum usoro ihe nchara dị elu ka emepụtara nchara. Ụdị ígwè a na-ahụkarị gụnyere 23MnNiMoCr52, 23MnNiMoCr64, wdg ndị a nchara nwere ezigbo ike ike, weldability na ike na ike siri ike, ma dị mma maka mmepụta nke nnukwu C-grade chain. 23MnNiMoCr54 ígwè emepụtara na ngwụcha 1980s. Dabere na ígwè 23MnNiMoCr64, ọdịnaya nke silicon na manganese belatara yana ọdịnaya nke chromium na molybdenum na-abawanye. Ike ya dị mma karịa nke ígwè 23MnNiMoCr64. Na-adịbeghị anya, n'ihi na-aga n'ihu mma nke arụmọrụ chọrọ nke gburugburu njikọ ígwè yinye na-aga n'ihu na-abawanye nke yinye nkọwa n'ihi mechanized coal Ngwuputa na coal mines, ụfọdụ yinye ụlọ ọrụ mepụtara ụfọdụ pụrụ iche ọhụrụ ígwè akara ule, na ụfọdụ Njirimara nke ndị a. ọkwa nchara ọhụrụ dị elu karịa ígwè 23MnNiMoCr54. Dịka ọmụmaatụ, ígwè "HO" nke ụlọ ọrụ German JDT mepụtara nwere ike ịbawanye ike yinye site na 15% ma e jiri ya tụnyere 23MnNiMoCr54 ígwè.
2.Ming yinye ọnọdụ ọrụ na ọdịda analysis
2.1 Ngwuputa yinye ọnọdụ ọrụ
Ọnọdụ ọrụ nke yinye njikọ okirikiri bụ: (1) ike erughị ala; (2) Ike ọgwụgwụ nke ibu na-akpụ akpụ kpatara; (3) Esemokwu na iyi na-eme n'etiti njikọ agbụ, njikọ agbụ na sprockets, na njikọ njikọ na efere etiti na akụkụ uzo; (4) A na-akpata corrosion site n'omume nke coal, ntụ ntụ na ikuku iru mmiri.
2.2 Ngwuputa yinye njikọ ọdịda ọdịda
Enwere ike kewaa ụdị nbibi nke njikọ njikọ ngwuputa n'ime: (1) ibu nke agbụ ahụ gafere ibu na-agbaji ya kwụ ọtọ, na-ebute mgbaji akabeghị aka. Nke a mgbaji na-akasị emee na ntụpọ akụkụ nke yinye njikọ ubu ma ọ bụ ogologo ebe, dị ka mgbape si flash butt ịgbado ọkụ okpomọkụ emetụta mpaghara na onye mmanya ihe mgbape; (2) Mgbe ọ na-agba ọsọ ruo oge ụfọdụ, njikọ njikọ nke mining eruteghị ibu na-agbaji, na-akpata mgbaji nke ike ọgwụgwụ kpatara. Mgbaji a na-emekarị na njikọ dị n'etiti ogwe aka kwụ ọtọ na okpueze nke njikọ agbụ.
Ihe ndị chọrọ maka ngwuputa okirikiri njikọ njikọ: (1) inwe ikike ibu ibu dị elu n'okpuru otu ihe na ngalaba; (2) inwe ibu na-agbaji dị elu na elongation ka mma; (3) inwe obere nrụrụ n'okpuru arụ ọrụ nke oke ibu ikike iji hụ na meshing dị mma; (4) inwe ike ike ọgwụgwụ dị elu; (5) inwe oke mgbochi iyi; (6) inwe oke siri ike na nnabata ka mma nke ibu mmetụta; (7) akụkụ geometric iji zute eserese.
3.Ming yinye mmepụta usoro
Mmepụta usoro nke Ngwuputa yinye: Ogwe osisi → ịgbado na ịkwa akwa → nkwonkwo → ịgbado ọkụ → isi ihe akaebe → ọgwụgwọ okpomọkụ → ule akaebe nke abụọ → nyocha. Welding na okpomọkụ ọgwụgwọ bụ isi usoro na mmepụta nke Ngwuputa gburugburu njikọ yinye, nke na-emetụta kpọmkwem ngwaahịa àgwà. Usoro ịgbado ọkụ nke sayensị nwere ike melite mkpụrụ ma belata ọnụ ahịa mmepụta; Usoro ọgwụgwọ okpomọkụ kwesịrị ekwesị nwere ike inye egwuregwu zuru oke na ihe onwunwe ma melite àgwà ngwaahịa.
Iji hụ na ịdị mma ịgbado ọkụ nke yinye Ngwuputa, ewepụla ịgbado ọkụ n'aka na ịgbado ịgbado ọkụ. Flash butt ịgbado ọkụ ka a na-eji ọtụtụ ebe n'ihi na ya pụtara ìhè uru dị ka elu ogo nke akpaaka, obere ọrụ ike na kwụsiri ike ngwaahịa àgwà.
Ka ọ dị ugbu a, ọgwụgwọ okpomọkụ nke ngwungwu okirikiri njikọ n'ozuzu na-anakwere ikpo ọkụ ugboro ugboro induction kpo oku, na-aga n'ihu quenching na tempering. Ihe dị mkpa nke ikpo ọkụ na-ekpo ọkụ na-ajụ ugboro ugboro bụ na a na-akpali usoro ihe omimi nke ihe ahụ n'okpuru oghere electromagnetic, ụmụ irighiri ahụ na-enweta ume ma na-agbakọta iji mepụta okpomọkụ. N'oge ọgwụgwọ okpomọkụ induction ugboro ọkara, a na-ejikọta inductor na ọkara ugboro AC nke oge ụfọdụ, na njikọ yinye na-aga n'otu ọsọ ọsọ na inductor. N'ụzọ dị otú a, a na-akpali ugbu a na otu ugboro na ntụgharị ihu dị ka inductor ga-emepụta na njikọ njikọ, nke mere na ọkụ eletrik nwere ike gbanwee ka ọ bụrụ ike ọkụ, na njikọ njikọ nwere ike ikpo ọkụ na okpomọkụ achọrọ maka ịkwụsị. na iwe ọkụ na obere oge.
Okpomọkụ mmeghe nke ugboro ọkara nwere ọsọ ọsọ yana obere oxidation. Mgbe emenyụchara, enwere ike nweta ezigbo quenching na nha ọka austenite, nke na-eme ka ike na ike nke njikọ yinye dịkwuo mma. N'otu oge ahụ, ọ nwekwara uru nke ịdị ọcha, ịdị ọcha, ngbanwe dị mfe na mmepụta mmepụta dị elu. Na tempering ogbo, yinye njikọ ịgbado ọkụ mpaghara na-agafe elu tempering okpomọkụ na-ewepụ a nnukwu ego nke quenching esịtidem nchegbu na a obere oge, nke nwere mmetụta dị ukwuu n'ịkwalite plasticity na siri ike nke ịgbado ọkụ mpaghara na-egbu oge mmalite. na mmepe nke cracks. The tempering okpomọkụ n'elu nke yinye njikọ ubu dị ala, na ọ nwere elu hardness mgbe tempering, nke na-eme ka eyi nke yinye njikọ n'oge usoro ọrụ, ya bụ, eyi n'etiti yinye njikọ na meshing n'etiti yinye. njikọ na yinye sprocket.
4. Nkwubi okwu
(1) Nchara maka Ngwuputa ihe dị elu gburugburu njikọ njikọ dị elu na-etolite n'ụzọ nke ike dị elu, ike siri ike dị elu, ike plastik dị elu na nguzogide corrosion karịa 23MnNiMoCr54 ígwè a na-ejikarị eme ihe n'ụwa. Ugbu a, etinyere akararị nchara ọhụrụ na ikike ikike.
(2) The mmelite nke n'ibu Njirimara nke Ngwuputa elu-ike gburugburu njikọ njikọ na-akwalite na-aga n'ihu mma na izu okè nke okpomọkụ ọgwụgwọ usoro. Ngwa ezi uche dị na ya na njikwa ziri ezi nke nkà na ụzụ ọgwụgwọ okpomọkụ bụ isi iji meziwanye ihe eji arụ ọrụ nke yinye. Ngwuputa teknụzụ ọgwụgwọ okpomọkụ aghọwo isi teknụzụ nke ndị na-emepụta yinye.
(3) The size, udi na yinye Ọdịdị nke Ngwuputa elu-ike gburugburu njikọ yinye ka mma na kacha. A na-eme mgbanwe ndị a na njikarịcha dị ka nsonaazụ nke nyocha nke mgbagwoju anya na n'okpuru ọnọdụ na ike nke ngwá ọrụ na-egwupụta coal kwesịrị ịba ụba na ohere dị n'okpuru ala nke coal mine dị oke.
(4) Mmụba nke nkọwapụta nke Ngwuputa elu-ike gburugburu njikọ njikọ, mgbanwe nke structural ụdị na mma nke n'ibu Njirimara na-akwalite kwekọrọ ekwekọ ngwa ngwa mmepe nke gburugburu ígwè njikọ yinye na-eme ngwá na nkà na ụzụ.
Oge nzipu: Dec-22-2021