Lub invention ntawm cov menyuam saw

Raws li kev tshawb fawb, daim ntawv thov ntawm chains nyob rau hauv peb lub teb chaws muaj keeb kwm ntawm ntau tshaj 3,000 xyoo.Nyob rau hauv ancient sij hawm, lub rollover tsheb thiab waterwheels siv nyob rau hauv cov cheeb tsam nyob deb nroog ntawm kuv lub teb chaws los nqa dej los ntawm qhov chaw qis mus rau qhov chaw siab yog zoo li niaj hnub conveyor chains.Nyob rau hauv "Xinyixiangfayao" sau los ntawm Su Song nyob rau hauv Northern Song Dynasty, nws tau sau tseg hais tias dab tsi tsav lub tig ntawm armillary sphere yog zoo li cov saw hlau kis tau tus mob ua los ntawm niaj hnub hlau.Nws tuaj yeem pom tau tias kuv lub tebchaws yog ib lub tebchaws ntxov tshaj plaws hauv kev siv saw hlau.Txawm li cas los xij, cov qauv tseem ceeb ntawm cov saw hlau niaj hnub no tau tsim thawj zaug thiab tau thov los ntawm Leonardo da Vinci (1452-1519), tus kws tshawb fawb zoo thiab kws kos duab thaum European Renaissance.Txij thaum ntawd los, xyoo 1832, Galle ntawm Fabkis tau tsim cov saw hlau, thiab xyoo 1864, British Slater sleeveless roller chain.Tab sis nws yog Swiss Hans Renault uas tau mus txog theem ntawm cov qauv saw niaj hnub tsim.Xyoo 1880, nws tau txhim kho qhov tsis txaus ntawm cov qauv saw yav dhau los thiab tsim cov saw hlau rau hauv cov saw hlau nrov niaj hnub no, thiab tau txais cov hlua khi rau hauv UK.chain invention patent.

riveted cov menyuam saw


Post lub sij hawm: Sep-01-2023